head	1.1;
branch	1.1.1;
access;
symbols
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	netbsd-11-0-RC3:1.1.1.7
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	yamt-pagecache:1.1.1.2.0.4
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	tls-earlyentropy:1.1.1.2.0.2
	tls-earlyentropy-base:1.1.1.2
	riastradh-xf86-video-intel-2-7-1-pre-2-21-15:1.1.1.2
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	clang-198450:1.1.1.1
	clang-196603:1.1.1.1
	clang-195771:1.1.1.1
	LLVM:1.1.1;
locks; strict;
comment	@// @;


1.1
date	2013.11.28.14.14.58;	author joerg;	state Exp;
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1.1.1.5.14.2
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desc
@@


1.1
log
@Initial revision
@
text
@// RUN: %clang_cc1 -fno-rtti -emit-llvm %s -o - -mconstructor-aliases -cxx-abi microsoft -triple=i386-pc-win32 | FileCheck %s

struct Left {
  virtual void left();
};

struct Right {
  virtual void right();
};

struct ChildNoOverride : Left, Right {
};

struct ChildOverride : Left, Right {
  virtual void left();
  virtual void right();
};

extern "C" void foo(void *);

void call_left_no_override(ChildNoOverride *child) {
// CHECK: define void @@"\01?call_left_no_override
// CHECK: %[[CHILD:.*]] = load %struct.ChildNoOverride

  child->left();
// Only need to cast 'this' to Left*.
// CHECK: %[[LEFT:.*]] = bitcast %struct.ChildNoOverride* %[[CHILD]] to %struct.Left*
// CHECK: %[[VFPTR:.*]] = bitcast %struct.Left* %[[LEFT]] to void (%struct.Left*)***
// CHECK: %[[VFTABLE:.*]] = load void (%struct.Left*)*** %[[VFPTR]]
// CHECK: %[[VFUN:.*]] = getelementptr inbounds void (%struct.Left*)** %[[VFTABLE]], i64 0
// CHECK: %[[VFUN_VALUE:.*]] = load void (%struct.Left*)** %[[VFUN]]
// CHECK: call x86_thiscallcc void %[[VFUN_VALUE]](%struct.Left* %[[LEFT]])
// CHECK: ret
}

void ChildOverride::left() {
// CHECK: define x86_thiscallcc void @@"\01?left@@ChildOverride@@@@UAEXXZ"(%struct.ChildOverride* %[[THIS:.*]])
//
// No need to adjust 'this' as the ChildOverride's layout begins with Left.
// CHECK: %[[THIS_ADDR:.*]] = alloca %struct.ChildOverride*, align 4
// CHECK: store %struct.ChildOverride* %[[THIS]], %struct.ChildOverride** %[[THIS_ADDR]], align 4

  foo(this);
// CHECK: %[[THIS:.*]] = load %struct.ChildOverride** %[[THIS_ADDR]]
// CHECK: %[[THIS_i8:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to i8*
// CHECK: call void @@foo(i8* %[[THIS_i8]])
// CHECK: ret
}

void call_left_override(ChildOverride *child) {
// CHECK: define void @@"\01?call_left_override
// CHECK: %[[CHILD:.*]] = load %struct.ChildOverride

  child->left();
// CHECK: %[[VFPTR:.*]] = bitcast %struct.ChildOverride* %[[CHILD]] to void (%struct.ChildOverride*)***
// CHECK: %[[VFTABLE:.*]] = load void (%struct.ChildOverride*)*** %[[VFPTR]]
// CHECK: %[[VFUN:.*]] = getelementptr inbounds void (%struct.ChildOverride*)** %[[VFTABLE]], i64 0
// CHECK: %[[VFUN_VALUE:.*]] = load void (%struct.ChildOverride*)** %[[VFUN]]
//
// CHECK: call x86_thiscallcc void %[[VFUN_VALUE]](%struct.ChildOverride* %[[CHILD]])
// CHECK: ret
}

void call_right_no_override(ChildNoOverride *child) {
// CHECK: define void @@"\01?call_right_no_override
// CHECK: %[[CHILD:.*]] = load %struct.ChildNoOverride

  child->right();
// When calling a right base's virtual method, one needs to adjust 'this' at
// the caller site.
//
// CHECK: %[[CHILD_i8:.*]] = bitcast %struct.ChildNoOverride* %[[CHILD]] to i8*
// CHECK: %[[RIGHT_i8:.*]] = getelementptr inbounds i8* %[[CHILD_i8]], i32 4
// CHECK: %[[RIGHT:.*]] = bitcast i8* %[[RIGHT_i8]] to %struct.Right*
//
// CHECK: %[[VFPTR:.*]] = bitcast %struct.Right* %[[RIGHT]] to void (%struct.Right*)***
// CHECK: %[[VFTABLE:.*]] = load void (%struct.Right*)*** %[[VFPTR]]
// CHECK: %[[VFUN:.*]] = getelementptr inbounds void (%struct.Right*)** %[[VFTABLE]], i64 0
// CHECK: %[[VFUN_VALUE:.*]] = load void (%struct.Right*)** %[[VFUN]]
// CHECK: call x86_thiscallcc void %[[VFUN_VALUE]](%struct.Right* %[[RIGHT]])
// CHECK: ret
}

void ChildOverride::right() {
// CHECK: define x86_thiscallcc void @@"\01?right@@ChildOverride@@@@UAEXXZ"(i8*
//
// ChildOverride::right gets 'this' cast to Right* in ECX (i.e. this+4) so we
// need to adjust 'this' before use.
//
// CHECK: %[[THIS_ADDR:.*]] = alloca %struct.ChildOverride*, align 4
// CHECK: %[[THIS_i8:.*]] = getelementptr inbounds i8* %[[ECX:.*]], i32 -4
// CHECK: %[[THIS:.*]] = bitcast i8* %[[THIS_i8]] to %struct.ChildOverride*
// CHECK: store %struct.ChildOverride* %[[THIS]], %struct.ChildOverride** %[[THIS_ADDR]], align 4

  foo(this);
// CHECK: %[[THIS:.*]] = load %struct.ChildOverride** %[[THIS_ADDR]]
// CHECK: %[[THIS_PARAM:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to i8*
// CHECK: call void @@foo(i8* %[[THIS_PARAM]])
// CHECK: ret
}

void call_right_override(ChildOverride *child) {
// CHECK: define void @@"\01?call_right_override
// CHECK: %[[CHILD:.*]] = load %struct.ChildOverride

  child->right();
// When calling a right child's virtual method, one needs to adjust 'this' at
// the caller site.
//
// CHECK: %[[CHILD_i8:.*]] = bitcast %struct.ChildOverride* %[[CHILD]] to i8*
//
// CHECK: %[[VFPTR_i8:.*]] = getelementptr inbounds i8* %[[CHILD_i8]], i32 4
// CHECK: %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to void (i8*)***
// CHECK: %[[VFTABLE:.*]] = load void (i8*)*** %[[VFPTR]]
// CHECK: %[[VFUN:.*]] = getelementptr inbounds void (i8*)** %[[VFTABLE]], i64 0
// CHECK: %[[VFUN_VALUE:.*]] = load void (i8*)** %[[VFUN]]
//
// CHECK: %[[CHILD_i8:.*]] = bitcast %struct.ChildOverride* %[[CHILD]] to i8*
// CHECK: %[[RIGHT:.*]] = getelementptr inbounds i8* %[[CHILD_i8]], i32 4
//
// CHECK: call x86_thiscallcc void %[[VFUN_VALUE]](i8* %[[RIGHT]])
// CHECK: ret
}

struct GrandchildOverride : ChildOverride {
  virtual void right();
};

void GrandchildOverride::right() {
// CHECK: define x86_thiscallcc void @@"\01?right@@GrandchildOverride@@@@UAEXXZ"(i8*
//
// CHECK: %[[THIS_ADDR:.*]] = alloca %struct.GrandchildOverride*, align 4
// CHECK: %[[THIS_i8:.*]] = getelementptr inbounds i8* %[[ECX:.*]], i32 -4
// CHECK: %[[THIS:.*]] = bitcast i8* %[[THIS_i8]] to %struct.GrandchildOverride*
// CHECK: store %struct.GrandchildOverride* %[[THIS]], %struct.GrandchildOverride** %[[THIS_ADDR]], align 4

  foo(this);
// CHECK: %[[THIS:.*]] = load %struct.GrandchildOverride** %[[THIS_ADDR]]
// CHECK: %[[THIS_PARAM:.*]] = bitcast %struct.GrandchildOverride* %[[THIS]] to i8*
// CHECK: call void @@foo(i8* %[[THIS_PARAM]])
// CHECK: ret
}

void call_grandchild_right(GrandchildOverride *obj) {
  // Just make sure we don't crash.
  obj->right();
}

void emit_ctors() {
  Left l;
  // CHECK: define {{.*}} @@"\01??0Left@@@@QAE@@XZ"
  // CHECK-NOT: getelementptr
  // CHECK:   store [1 x i8*]* @@"\01??_7Left@@@@6B@@"
  // CHECK: ret

  Right r;
  // CHECK: define {{.*}} @@"\01??0Right@@@@QAE@@XZ"
  // CHECK-NOT: getelementptr
  // CHECK:   store [1 x i8*]* @@"\01??_7Right@@@@6B@@"
  // CHECK: ret

  ChildOverride co;
  // CHECK: define {{.*}} @@"\01??0ChildOverride@@@@QAE@@XZ"
  // CHECK:   %[[THIS:.*]] = load %struct.ChildOverride**
  // CHECK:   %[[VFPTR:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to [1 x i8*]**
  // CHECK:   store [1 x i8*]* @@"\01??_7ChildOverride@@@@6BLeft@@@@@@", [1 x i8*]** %[[VFPTR]]
  // CHECK:   %[[THIS_i8:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to i8*
  // CHECK:   %[[VFPTR_i8:.*]] = getelementptr inbounds i8* %[[THIS_i8]], i32 4
  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to [1 x i8*]**
  // CHECK:   store [1 x i8*]* @@"\01??_7ChildOverride@@@@6BRight@@@@@@", [1 x i8*]** %[[VFPTR]]
  // CHECK: ret

  GrandchildOverride gc;
  // CHECK: define {{.*}} @@"\01??0GrandchildOverride@@@@QAE@@XZ"
  // CHECK:   %[[THIS:.*]] = load %struct.GrandchildOverride**
  // CHECK:   %[[VFPTR:.*]] = bitcast %struct.GrandchildOverride* %[[THIS]] to [1 x i8*]**
  // CHECK:   store [1 x i8*]* @@"\01??_7GrandchildOverride@@@@6BLeft@@@@@@", [1 x i8*]** %[[VFPTR]]
  // CHECK:   %[[THIS_i8:.*]] = bitcast %struct.GrandchildOverride* %[[THIS]] to i8*
  // CHECK:   %[[VFPTR_i8:.*]] = getelementptr inbounds i8* %[[THIS_i8]], i32 4
  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to [1 x i8*]**
  // CHECK:   store [1 x i8*]* @@"\01??_7GrandchildOverride@@@@6BRight@@@@@@", [1 x i8*]** %[[VFPTR]]
  // CHECK: ret
}

struct LeftWithNonVirtualDtor {
  virtual void left();
  ~LeftWithNonVirtualDtor();
};

struct AsymmetricChild : LeftWithNonVirtualDtor, Right {
  virtual ~AsymmetricChild();
};

void call_asymmetric_child_complete_dtor() {
  // CHECK-LABEL: define void @@"\01?call_asymmetric_child_complete_dtor@@@@YAXXZ"
  AsymmetricChild obj;
  // CHECK: call x86_thiscallcc %struct.AsymmetricChild* @@"\01??0AsymmetricChild@@@@QAE@@XZ"(%struct.AsymmetricChild* %[[OBJ:.*]])
  // CHECK-NOT: getelementptr
  // CHECK: call x86_thiscallcc void @@"\01??1AsymmetricChild@@@@UAE@@XZ"(%struct.AsymmetricChild* %[[OBJ]])
  // CHECK: ret
}
@


1.1.1.1
log
@Import Clang 3.4rc1 r195771.
@
text
@@


1.1.1.2
log
@Import Clang 3.5svn r199312
@
text
@d1 1
a1 1
// RUN: %clang_cc1 -fno-rtti -emit-llvm %s -o - -mconstructor-aliases -triple=i386-pc-win32 | FileCheck %s
@


1.1.1.2.6.1
log
@Update LLVM to 3.6.1, requested by joerg in ticket 824.
@
text
@d153 1
a153 1
  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* @@"\01??_7Left@@@@6B@@" to i32 (...)**)
d159 1
a159 1
  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* @@"\01??_7Right@@@@6B@@" to i32 (...)**)
d165 2
a166 2
  // CHECK:   %[[VFPTR:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to i32 (...)***
  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* @@"\01??_7ChildOverride@@@@6BLeft@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d169 2
a170 2
  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to i32 (...)***
  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* @@"\01??_7ChildOverride@@@@6BRight@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d176 2
a177 2
  // CHECK:   %[[VFPTR:.*]] = bitcast %struct.GrandchildOverride* %[[THIS]] to i32 (...)***
  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* @@"\01??_7GrandchildOverride@@@@6BLeft@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d180 2
a181 2
  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to i32 (...)***
  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* @@"\01??_7GrandchildOverride@@@@6BRight@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
@


1.1.1.3
log
@Import Clang 3.6RC1 r227398.
@
text
@d153 1
a153 1
  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* @@"\01??_7Left@@@@6B@@" to i32 (...)**)
d159 1
a159 1
  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* @@"\01??_7Right@@@@6B@@" to i32 (...)**)
d165 2
a166 2
  // CHECK:   %[[VFPTR:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to i32 (...)***
  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* @@"\01??_7ChildOverride@@@@6BLeft@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d169 2
a170 2
  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to i32 (...)***
  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* @@"\01??_7ChildOverride@@@@6BRight@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d176 2
a177 2
  // CHECK:   %[[VFPTR:.*]] = bitcast %struct.GrandchildOverride* %[[THIS]] to i32 (...)***
  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* @@"\01??_7GrandchildOverride@@@@6BLeft@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d180 2
a181 2
  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to i32 (...)***
  // CHECK:   store i32 (...)** bitcast ([1 x i8*]* @@"\01??_7GrandchildOverride@@@@6BRight@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
@


1.1.1.4
log
@Import Clang 3.8.0rc3 r261930.
@
text
@d29 3
a31 3
// CHECK: %[[VFTABLE:.*]] = load void (%struct.Left*)**, void (%struct.Left*)*** %[[VFPTR]]
// CHECK: %[[VFUN:.*]] = getelementptr inbounds void (%struct.Left*)*, void (%struct.Left*)** %[[VFTABLE]], i64 0
// CHECK: %[[VFUN_VALUE:.*]] = load void (%struct.Left*)*, void (%struct.Left*)** %[[VFUN]]
d44 1
a44 1
// CHECK: %[[THIS:.*]] = load %struct.ChildOverride*, %struct.ChildOverride** %[[THIS_ADDR]]
d56 3
a58 3
// CHECK: %[[VFTABLE:.*]] = load void (%struct.ChildOverride*)**, void (%struct.ChildOverride*)*** %[[VFPTR]]
// CHECK: %[[VFUN:.*]] = getelementptr inbounds void (%struct.ChildOverride*)*, void (%struct.ChildOverride*)** %[[VFTABLE]], i64 0
// CHECK: %[[VFUN_VALUE:.*]] = load void (%struct.ChildOverride*)*, void (%struct.ChildOverride*)** %[[VFUN]]
d73 1
a73 1
// CHECK: %[[RIGHT_i8:.*]] = getelementptr inbounds i8, i8* %[[CHILD_i8]], i32 4
d77 3
a79 3
// CHECK: %[[VFTABLE:.*]] = load void (%struct.Right*)**, void (%struct.Right*)*** %[[VFPTR]]
// CHECK: %[[VFUN:.*]] = getelementptr inbounds void (%struct.Right*)*, void (%struct.Right*)** %[[VFTABLE]], i64 0
// CHECK: %[[VFUN_VALUE:.*]] = load void (%struct.Right*)*, void (%struct.Right*)** %[[VFUN]]
d91 1
a91 1
// CHECK: %[[THIS_i8:.*]] = getelementptr inbounds i8, i8* %[[ECX:.*]], i32 -4
d96 1
a96 1
// CHECK: %[[THIS:.*]] = load %struct.ChildOverride*, %struct.ChildOverride** %[[THIS_ADDR]]
d112 1
a112 1
// CHECK: %[[VFPTR_i8:.*]] = getelementptr inbounds i8, i8* %[[CHILD_i8]], i32 4
d114 3
a116 3
// CHECK: %[[VFTABLE:.*]] = load void (i8*)**, void (i8*)*** %[[VFPTR]]
// CHECK: %[[VFUN:.*]] = getelementptr inbounds void (i8*)*, void (i8*)** %[[VFTABLE]], i64 0
// CHECK: %[[VFUN_VALUE:.*]] = load void (i8*)*, void (i8*)** %[[VFUN]]
d119 1
a119 1
// CHECK: %[[RIGHT:.*]] = getelementptr inbounds i8, i8* %[[CHILD_i8]], i32 4
d133 1
a133 1
// CHECK: %[[THIS_i8:.*]] = getelementptr inbounds i8, i8* %[[ECX:.*]], i32 -4
d138 1
a138 1
// CHECK: %[[THIS:.*]] = load %struct.GrandchildOverride*, %struct.GrandchildOverride** %[[THIS_ADDR]]
d164 1
a164 1
  // CHECK:   %[[THIS:.*]] = load %struct.ChildOverride*, %struct.ChildOverride**
d168 1
a168 1
  // CHECK:   %[[VFPTR_i8:.*]] = getelementptr inbounds i8, i8* %[[THIS_i8]], i32 4
d175 1
a175 1
  // CHECK:   %[[THIS:.*]] = load %struct.GrandchildOverride*, %struct.GrandchildOverride**
d179 1
a179 1
  // CHECK:   %[[VFPTR_i8:.*]] = getelementptr inbounds i8, i8* %[[THIS_i8]], i32 4
@


1.1.1.4.2.1
log
@Sync with HEAD
@
text
@d153 1
a153 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"\01??_7Left@@@@6B@@" to i32 (...)**)
d159 1
a159 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"\01??_7Right@@@@6B@@" to i32 (...)**)
d166 1
a166 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"\01??_7ChildOverride@@@@6BLeft@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d170 1
a170 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"\01??_7ChildOverride@@@@6BRight@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d177 1
a177 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"\01??_7GrandchildOverride@@@@6BLeft@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d181 1
a181 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"\01??_7GrandchildOverride@@@@6BRight@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
@


1.1.1.5
log
@Import Clang pre-4.0.0 r291444.
@
text
@d153 1
a153 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"\01??_7Left@@@@6B@@" to i32 (...)**)
d159 1
a159 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"\01??_7Right@@@@6B@@" to i32 (...)**)
d166 1
a166 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"\01??_7ChildOverride@@@@6BLeft@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d170 1
a170 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"\01??_7ChildOverride@@@@6BRight@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d177 1
a177 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"\01??_7GrandchildOverride@@@@6BLeft@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d181 1
a181 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"\01??_7GrandchildOverride@@@@6BRight@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
@


1.1.1.5.14.1
log
@Sync with HEAD
@
text
@d22 1
a22 1
// CHECK-LABEL: define dso_local void @@"?call_left_no_override
d37 1
a37 2
// CHECK-LABEL: define dso_local x86_thiscallcc void @@"?left@@ChildOverride@@@@UAEXXZ"
// CHECK-SAME: (%struct.ChildOverride* %[[THIS:.*]])
d51 1
a51 1
// CHECK-LABEL: define dso_local void @@"?call_left_override
d65 1
a65 1
// CHECK-LABEL: define dso_local void @@"?call_right_no_override
d85 1
a85 1
// CHECK-LABEL: define dso_local x86_thiscallcc void @@"?right@@ChildOverride@@@@UAEXXZ"(i8*
a89 1
// CHECK: %[[THIS_STORE:.*]] = alloca %struct.ChildOverride*, align 4
d91 3
a93 8
// CHECK: %[[COERCE_VAL:.*]] = bitcast i8* %[[ECX:.*]] to %struct.ChildOverride*
// CHECK: store %struct.ChildOverride* %[[COERCE_VAL]], %struct.ChildOverride** %[[THIS_STORE]], align 4
// CHECK: %[[THIS_INIT:.*]] = load %struct.ChildOverride*, %struct.ChildOverride** %[[THIS_STORE]], align 4
// CHECK: store %struct.ChildOverride* %[[THIS_INIT]], %struct.ChildOverride** %[[THIS_ADDR]], align 4
// CHECK: %[[THIS_RELOAD:.*]] = load %struct.ChildOverride*, %struct.ChildOverride** %[[THIS_ADDR]]
// CHECK: %[[THIS_i8:.*]] = bitcast %struct.ChildOverride* %[[THIS_RELOAD]] to i8*
// CHECK: %[[THIS_ADJUSTED:.*]] = getelementptr inbounds i8, i8* %[[THIS_i8]], i32 -4
// CHECK: %[[THIS:.*]] = bitcast i8* %[[THIS_ADJUSTED]] to %struct.ChildOverride*
d96 1
d103 1
a103 1
// CHECK-LABEL: define dso_local void @@"?call_right_override
a110 1
// CHECK: %[[RIGHT:.*]] = getelementptr inbounds i8, i8* %[[CHILD_i8]], i32 4
a111 1
// CHECK: %[[CHILD_i8:.*]] = bitcast %struct.ChildOverride* %[[CHILD]] to i8*
d118 3
d130 1
a130 1
// CHECK-LABEL: define dso_local x86_thiscallcc void @@"?right@@GrandchildOverride@@@@UAEXXZ"(i8*
a131 1
// CHECK: %[[THIS_STORE:.*]] = alloca %struct.GrandchildOverride*, align 4
d133 3
a135 8
// CHECK: %[[COERCE_VAL:.*]] = bitcast i8* %[[ECX:.*]] to %struct.GrandchildOverride*
// CHECK: store %struct.GrandchildOverride* %[[COERCE_VAL]], %struct.GrandchildOverride** %[[THIS_STORE]], align 4
// CHECK: %[[THIS_INIT:.*]] = load %struct.GrandchildOverride*, %struct.GrandchildOverride** %[[THIS_STORE]], align 4
// CHECK: store %struct.GrandchildOverride* %[[THIS_INIT]], %struct.GrandchildOverride** %[[THIS_ADDR]], align 4
// CHECK: %[[THIS_RELOAD:.*]] = load %struct.GrandchildOverride*, %struct.GrandchildOverride** %[[THIS_ADDR]]
// CHECK: %[[THIS_i8:.*]] = bitcast %struct.GrandchildOverride* %[[THIS_RELOAD]] to i8*
// CHECK: %[[THIS_ADJUSTED:.*]] = getelementptr inbounds i8, i8* %[[THIS_i8]], i32 -4
// CHECK: %[[THIS:.*]] = bitcast i8* %[[THIS_ADJUSTED]] to %struct.GrandchildOverride*
d138 1
d151 1
a151 1
  // CHECK-LABEL: define {{.*}} @@"??0Left@@@@QAE@@XZ"
d153 1
a153 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7Left@@@@6B@@" to i32 (...)**)
d157 1
a157 1
  // CHECK-LABEL: define {{.*}} @@"??0Right@@@@QAE@@XZ"
d159 1
a159 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7Right@@@@6B@@" to i32 (...)**)
d163 1
a163 1
  // CHECK-LABEL: define {{.*}} @@"??0ChildOverride@@@@QAE@@XZ"
d166 1
a166 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7ChildOverride@@@@6BLeft@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d170 1
a170 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7ChildOverride@@@@6BRight@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d174 1
a174 1
  // CHECK-LABEL: define {{.*}} @@"??0GrandchildOverride@@@@QAE@@XZ"
d177 1
a177 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7GrandchildOverride@@@@6BLeft@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d181 1
a181 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7GrandchildOverride@@@@6BRight@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d195 1
a195 1
  // CHECK-LABEL: define dso_local void @@"?call_asymmetric_child_complete_dtor@@@@YAXXZ"
d197 1
a197 1
  // CHECK: call x86_thiscallcc %struct.AsymmetricChild* @@"??0AsymmetricChild@@@@QAE@@XZ"(%struct.AsymmetricChild* %[[OBJ:.*]])
d199 1
a199 1
  // CHECK: call x86_thiscallcc void @@"??1AsymmetricChild@@@@UAE@@XZ"(%struct.AsymmetricChild* %[[OBJ]])
@


1.1.1.5.14.2
log
@Mostly merge changes from HEAD upto 20200411
@
text
@@


1.1.1.5.12.1
log
@Sync with HEAD
@
text
@d22 1
a22 1
// CHECK-LABEL: define dso_local void @@"?call_left_no_override
d37 1
a37 2
// CHECK-LABEL: define dso_local x86_thiscallcc void @@"?left@@ChildOverride@@@@UAEXXZ"
// CHECK-SAME: (%struct.ChildOverride* %[[THIS:.*]])
d51 1
a51 1
// CHECK-LABEL: define dso_local void @@"?call_left_override
d65 1
a65 1
// CHECK-LABEL: define dso_local void @@"?call_right_no_override
d85 1
a85 1
// CHECK-LABEL: define dso_local x86_thiscallcc void @@"?right@@ChildOverride@@@@UAEXXZ"(i8*
a89 1
// CHECK: %[[THIS_STORE:.*]] = alloca %struct.ChildOverride*, align 4
d91 3
a93 8
// CHECK: %[[COERCE_VAL:.*]] = bitcast i8* %[[ECX:.*]] to %struct.ChildOverride*
// CHECK: store %struct.ChildOverride* %[[COERCE_VAL]], %struct.ChildOverride** %[[THIS_STORE]], align 4
// CHECK: %[[THIS_INIT:.*]] = load %struct.ChildOverride*, %struct.ChildOverride** %[[THIS_STORE]], align 4
// CHECK: store %struct.ChildOverride* %[[THIS_INIT]], %struct.ChildOverride** %[[THIS_ADDR]], align 4
// CHECK: %[[THIS_RELOAD:.*]] = load %struct.ChildOverride*, %struct.ChildOverride** %[[THIS_ADDR]]
// CHECK: %[[THIS_i8:.*]] = bitcast %struct.ChildOverride* %[[THIS_RELOAD]] to i8*
// CHECK: %[[THIS_ADJUSTED:.*]] = getelementptr inbounds i8, i8* %[[THIS_i8]], i32 -4
// CHECK: %[[THIS:.*]] = bitcast i8* %[[THIS_ADJUSTED]] to %struct.ChildOverride*
d96 1
d103 1
a103 1
// CHECK-LABEL: define dso_local void @@"?call_right_override
a110 1
// CHECK: %[[RIGHT:.*]] = getelementptr inbounds i8, i8* %[[CHILD_i8]], i32 4
a111 1
// CHECK: %[[CHILD_i8:.*]] = bitcast %struct.ChildOverride* %[[CHILD]] to i8*
d118 3
d130 1
a130 1
// CHECK-LABEL: define dso_local x86_thiscallcc void @@"?right@@GrandchildOverride@@@@UAEXXZ"(i8*
a131 1
// CHECK: %[[THIS_STORE:.*]] = alloca %struct.GrandchildOverride*, align 4
d133 3
a135 8
// CHECK: %[[COERCE_VAL:.*]] = bitcast i8* %[[ECX:.*]] to %struct.GrandchildOverride*
// CHECK: store %struct.GrandchildOverride* %[[COERCE_VAL]], %struct.GrandchildOverride** %[[THIS_STORE]], align 4
// CHECK: %[[THIS_INIT:.*]] = load %struct.GrandchildOverride*, %struct.GrandchildOverride** %[[THIS_STORE]], align 4
// CHECK: store %struct.GrandchildOverride* %[[THIS_INIT]], %struct.GrandchildOverride** %[[THIS_ADDR]], align 4
// CHECK: %[[THIS_RELOAD:.*]] = load %struct.GrandchildOverride*, %struct.GrandchildOverride** %[[THIS_ADDR]]
// CHECK: %[[THIS_i8:.*]] = bitcast %struct.GrandchildOverride* %[[THIS_RELOAD]] to i8*
// CHECK: %[[THIS_ADJUSTED:.*]] = getelementptr inbounds i8, i8* %[[THIS_i8]], i32 -4
// CHECK: %[[THIS:.*]] = bitcast i8* %[[THIS_ADJUSTED]] to %struct.GrandchildOverride*
d138 1
d151 1
a151 1
  // CHECK-LABEL: define {{.*}} @@"??0Left@@@@QAE@@XZ"
d153 1
a153 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7Left@@@@6B@@" to i32 (...)**)
d157 1
a157 1
  // CHECK-LABEL: define {{.*}} @@"??0Right@@@@QAE@@XZ"
d159 1
a159 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7Right@@@@6B@@" to i32 (...)**)
d163 1
a163 1
  // CHECK-LABEL: define {{.*}} @@"??0ChildOverride@@@@QAE@@XZ"
d166 1
a166 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7ChildOverride@@@@6BLeft@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d170 1
a170 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7ChildOverride@@@@6BRight@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d174 1
a174 1
  // CHECK-LABEL: define {{.*}} @@"??0GrandchildOverride@@@@QAE@@XZ"
d177 1
a177 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7GrandchildOverride@@@@6BLeft@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d181 1
a181 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7GrandchildOverride@@@@6BRight@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d195 1
a195 1
  // CHECK-LABEL: define dso_local void @@"?call_asymmetric_child_complete_dtor@@@@YAXXZ"
d197 1
a197 1
  // CHECK: call x86_thiscallcc %struct.AsymmetricChild* @@"??0AsymmetricChild@@@@QAE@@XZ"(%struct.AsymmetricChild* %[[OBJ:.*]])
d199 1
a199 1
  // CHECK: call x86_thiscallcc void @@"??1AsymmetricChild@@@@UAE@@XZ"(%struct.AsymmetricChild* %[[OBJ]])
@


1.1.1.6
log
@Import clang r337282 from trunk
@
text
@d22 1
a22 1
// CHECK-LABEL: define dso_local void @@"?call_left_no_override
d37 1
a37 2
// CHECK-LABEL: define dso_local x86_thiscallcc void @@"?left@@ChildOverride@@@@UAEXXZ"
// CHECK-SAME: (%struct.ChildOverride* %[[THIS:.*]])
d51 1
a51 1
// CHECK-LABEL: define dso_local void @@"?call_left_override
d65 1
a65 1
// CHECK-LABEL: define dso_local void @@"?call_right_no_override
d85 1
a85 1
// CHECK-LABEL: define dso_local x86_thiscallcc void @@"?right@@ChildOverride@@@@UAEXXZ"(i8*
a89 1
// CHECK: %[[THIS_STORE:.*]] = alloca %struct.ChildOverride*, align 4
d91 3
a93 8
// CHECK: %[[COERCE_VAL:.*]] = bitcast i8* %[[ECX:.*]] to %struct.ChildOverride*
// CHECK: store %struct.ChildOverride* %[[COERCE_VAL]], %struct.ChildOverride** %[[THIS_STORE]], align 4
// CHECK: %[[THIS_INIT:.*]] = load %struct.ChildOverride*, %struct.ChildOverride** %[[THIS_STORE]], align 4
// CHECK: store %struct.ChildOverride* %[[THIS_INIT]], %struct.ChildOverride** %[[THIS_ADDR]], align 4
// CHECK: %[[THIS_RELOAD:.*]] = load %struct.ChildOverride*, %struct.ChildOverride** %[[THIS_ADDR]]
// CHECK: %[[THIS_i8:.*]] = bitcast %struct.ChildOverride* %[[THIS_RELOAD]] to i8*
// CHECK: %[[THIS_ADJUSTED:.*]] = getelementptr inbounds i8, i8* %[[THIS_i8]], i32 -4
// CHECK: %[[THIS:.*]] = bitcast i8* %[[THIS_ADJUSTED]] to %struct.ChildOverride*
d96 1
d103 1
a103 1
// CHECK-LABEL: define dso_local void @@"?call_right_override
a110 1
// CHECK: %[[RIGHT:.*]] = getelementptr inbounds i8, i8* %[[CHILD_i8]], i32 4
a111 1
// CHECK: %[[CHILD_i8:.*]] = bitcast %struct.ChildOverride* %[[CHILD]] to i8*
d118 3
d130 1
a130 1
// CHECK-LABEL: define dso_local x86_thiscallcc void @@"?right@@GrandchildOverride@@@@UAEXXZ"(i8*
a131 1
// CHECK: %[[THIS_STORE:.*]] = alloca %struct.GrandchildOverride*, align 4
d133 3
a135 8
// CHECK: %[[COERCE_VAL:.*]] = bitcast i8* %[[ECX:.*]] to %struct.GrandchildOverride*
// CHECK: store %struct.GrandchildOverride* %[[COERCE_VAL]], %struct.GrandchildOverride** %[[THIS_STORE]], align 4
// CHECK: %[[THIS_INIT:.*]] = load %struct.GrandchildOverride*, %struct.GrandchildOverride** %[[THIS_STORE]], align 4
// CHECK: store %struct.GrandchildOverride* %[[THIS_INIT]], %struct.GrandchildOverride** %[[THIS_ADDR]], align 4
// CHECK: %[[THIS_RELOAD:.*]] = load %struct.GrandchildOverride*, %struct.GrandchildOverride** %[[THIS_ADDR]]
// CHECK: %[[THIS_i8:.*]] = bitcast %struct.GrandchildOverride* %[[THIS_RELOAD]] to i8*
// CHECK: %[[THIS_ADJUSTED:.*]] = getelementptr inbounds i8, i8* %[[THIS_i8]], i32 -4
// CHECK: %[[THIS:.*]] = bitcast i8* %[[THIS_ADJUSTED]] to %struct.GrandchildOverride*
d138 1
d151 1
a151 1
  // CHECK-LABEL: define {{.*}} @@"??0Left@@@@QAE@@XZ"
d153 1
a153 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7Left@@@@6B@@" to i32 (...)**)
d157 1
a157 1
  // CHECK-LABEL: define {{.*}} @@"??0Right@@@@QAE@@XZ"
d159 1
a159 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7Right@@@@6B@@" to i32 (...)**)
d163 1
a163 1
  // CHECK-LABEL: define {{.*}} @@"??0ChildOverride@@@@QAE@@XZ"
d166 1
a166 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7ChildOverride@@@@6BLeft@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d170 1
a170 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7ChildOverride@@@@6BRight@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d174 1
a174 1
  // CHECK-LABEL: define {{.*}} @@"??0GrandchildOverride@@@@QAE@@XZ"
d177 1
a177 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7GrandchildOverride@@@@6BLeft@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d181 1
a181 1
  // CHECK:   store i32 (...)** bitcast ({ [1 x i8*] }* @@"??_7GrandchildOverride@@@@6BRight@@@@@@" to i32 (...)**), i32 (...)*** %[[VFPTR]]
d195 1
a195 1
  // CHECK-LABEL: define dso_local void @@"?call_asymmetric_child_complete_dtor@@@@YAXXZ"
d197 1
a197 1
  // CHECK: call x86_thiscallcc %struct.AsymmetricChild* @@"??0AsymmetricChild@@@@QAE@@XZ"(%struct.AsymmetricChild* %[[OBJ:.*]])
d199 1
a199 1
  // CHECK: call x86_thiscallcc void @@"??1AsymmetricChild@@@@UAE@@XZ"(%struct.AsymmetricChild* %[[OBJ]])
@


1.1.1.7
log
@Mark old LLVM instance as dead.
@
text
@@


1.1.1.2.8.1
log
@file microsoft-abi-multiple-nonvirtual-inheritance.cpp was added on branch tls-maxphys on 2014-08-19 23:47:58 +0000
@
text
@d1 201
@


1.1.1.2.8.2
log
@Rebase to HEAD as of a few days ago.
@
text
@a0 201
// RUN: %clang_cc1 -fno-rtti -emit-llvm %s -o - -mconstructor-aliases -triple=i386-pc-win32 | FileCheck %s

struct Left {
  virtual void left();
};

struct Right {
  virtual void right();
};

struct ChildNoOverride : Left, Right {
};

struct ChildOverride : Left, Right {
  virtual void left();
  virtual void right();
};

extern "C" void foo(void *);

void call_left_no_override(ChildNoOverride *child) {
// CHECK: define void @@"\01?call_left_no_override
// CHECK: %[[CHILD:.*]] = load %struct.ChildNoOverride

  child->left();
// Only need to cast 'this' to Left*.
// CHECK: %[[LEFT:.*]] = bitcast %struct.ChildNoOverride* %[[CHILD]] to %struct.Left*
// CHECK: %[[VFPTR:.*]] = bitcast %struct.Left* %[[LEFT]] to void (%struct.Left*)***
// CHECK: %[[VFTABLE:.*]] = load void (%struct.Left*)*** %[[VFPTR]]
// CHECK: %[[VFUN:.*]] = getelementptr inbounds void (%struct.Left*)** %[[VFTABLE]], i64 0
// CHECK: %[[VFUN_VALUE:.*]] = load void (%struct.Left*)** %[[VFUN]]
// CHECK: call x86_thiscallcc void %[[VFUN_VALUE]](%struct.Left* %[[LEFT]])
// CHECK: ret
}

void ChildOverride::left() {
// CHECK: define x86_thiscallcc void @@"\01?left@@ChildOverride@@@@UAEXXZ"(%struct.ChildOverride* %[[THIS:.*]])
//
// No need to adjust 'this' as the ChildOverride's layout begins with Left.
// CHECK: %[[THIS_ADDR:.*]] = alloca %struct.ChildOverride*, align 4
// CHECK: store %struct.ChildOverride* %[[THIS]], %struct.ChildOverride** %[[THIS_ADDR]], align 4

  foo(this);
// CHECK: %[[THIS:.*]] = load %struct.ChildOverride** %[[THIS_ADDR]]
// CHECK: %[[THIS_i8:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to i8*
// CHECK: call void @@foo(i8* %[[THIS_i8]])
// CHECK: ret
}

void call_left_override(ChildOverride *child) {
// CHECK: define void @@"\01?call_left_override
// CHECK: %[[CHILD:.*]] = load %struct.ChildOverride

  child->left();
// CHECK: %[[VFPTR:.*]] = bitcast %struct.ChildOverride* %[[CHILD]] to void (%struct.ChildOverride*)***
// CHECK: %[[VFTABLE:.*]] = load void (%struct.ChildOverride*)*** %[[VFPTR]]
// CHECK: %[[VFUN:.*]] = getelementptr inbounds void (%struct.ChildOverride*)** %[[VFTABLE]], i64 0
// CHECK: %[[VFUN_VALUE:.*]] = load void (%struct.ChildOverride*)** %[[VFUN]]
//
// CHECK: call x86_thiscallcc void %[[VFUN_VALUE]](%struct.ChildOverride* %[[CHILD]])
// CHECK: ret
}

void call_right_no_override(ChildNoOverride *child) {
// CHECK: define void @@"\01?call_right_no_override
// CHECK: %[[CHILD:.*]] = load %struct.ChildNoOverride

  child->right();
// When calling a right base's virtual method, one needs to adjust 'this' at
// the caller site.
//
// CHECK: %[[CHILD_i8:.*]] = bitcast %struct.ChildNoOverride* %[[CHILD]] to i8*
// CHECK: %[[RIGHT_i8:.*]] = getelementptr inbounds i8* %[[CHILD_i8]], i32 4
// CHECK: %[[RIGHT:.*]] = bitcast i8* %[[RIGHT_i8]] to %struct.Right*
//
// CHECK: %[[VFPTR:.*]] = bitcast %struct.Right* %[[RIGHT]] to void (%struct.Right*)***
// CHECK: %[[VFTABLE:.*]] = load void (%struct.Right*)*** %[[VFPTR]]
// CHECK: %[[VFUN:.*]] = getelementptr inbounds void (%struct.Right*)** %[[VFTABLE]], i64 0
// CHECK: %[[VFUN_VALUE:.*]] = load void (%struct.Right*)** %[[VFUN]]
// CHECK: call x86_thiscallcc void %[[VFUN_VALUE]](%struct.Right* %[[RIGHT]])
// CHECK: ret
}

void ChildOverride::right() {
// CHECK: define x86_thiscallcc void @@"\01?right@@ChildOverride@@@@UAEXXZ"(i8*
//
// ChildOverride::right gets 'this' cast to Right* in ECX (i.e. this+4) so we
// need to adjust 'this' before use.
//
// CHECK: %[[THIS_ADDR:.*]] = alloca %struct.ChildOverride*, align 4
// CHECK: %[[THIS_i8:.*]] = getelementptr inbounds i8* %[[ECX:.*]], i32 -4
// CHECK: %[[THIS:.*]] = bitcast i8* %[[THIS_i8]] to %struct.ChildOverride*
// CHECK: store %struct.ChildOverride* %[[THIS]], %struct.ChildOverride** %[[THIS_ADDR]], align 4

  foo(this);
// CHECK: %[[THIS:.*]] = load %struct.ChildOverride** %[[THIS_ADDR]]
// CHECK: %[[THIS_PARAM:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to i8*
// CHECK: call void @@foo(i8* %[[THIS_PARAM]])
// CHECK: ret
}

void call_right_override(ChildOverride *child) {
// CHECK: define void @@"\01?call_right_override
// CHECK: %[[CHILD:.*]] = load %struct.ChildOverride

  child->right();
// When calling a right child's virtual method, one needs to adjust 'this' at
// the caller site.
//
// CHECK: %[[CHILD_i8:.*]] = bitcast %struct.ChildOverride* %[[CHILD]] to i8*
//
// CHECK: %[[VFPTR_i8:.*]] = getelementptr inbounds i8* %[[CHILD_i8]], i32 4
// CHECK: %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to void (i8*)***
// CHECK: %[[VFTABLE:.*]] = load void (i8*)*** %[[VFPTR]]
// CHECK: %[[VFUN:.*]] = getelementptr inbounds void (i8*)** %[[VFTABLE]], i64 0
// CHECK: %[[VFUN_VALUE:.*]] = load void (i8*)** %[[VFUN]]
//
// CHECK: %[[CHILD_i8:.*]] = bitcast %struct.ChildOverride* %[[CHILD]] to i8*
// CHECK: %[[RIGHT:.*]] = getelementptr inbounds i8* %[[CHILD_i8]], i32 4
//
// CHECK: call x86_thiscallcc void %[[VFUN_VALUE]](i8* %[[RIGHT]])
// CHECK: ret
}

struct GrandchildOverride : ChildOverride {
  virtual void right();
};

void GrandchildOverride::right() {
// CHECK: define x86_thiscallcc void @@"\01?right@@GrandchildOverride@@@@UAEXXZ"(i8*
//
// CHECK: %[[THIS_ADDR:.*]] = alloca %struct.GrandchildOverride*, align 4
// CHECK: %[[THIS_i8:.*]] = getelementptr inbounds i8* %[[ECX:.*]], i32 -4
// CHECK: %[[THIS:.*]] = bitcast i8* %[[THIS_i8]] to %struct.GrandchildOverride*
// CHECK: store %struct.GrandchildOverride* %[[THIS]], %struct.GrandchildOverride** %[[THIS_ADDR]], align 4

  foo(this);
// CHECK: %[[THIS:.*]] = load %struct.GrandchildOverride** %[[THIS_ADDR]]
// CHECK: %[[THIS_PARAM:.*]] = bitcast %struct.GrandchildOverride* %[[THIS]] to i8*
// CHECK: call void @@foo(i8* %[[THIS_PARAM]])
// CHECK: ret
}

void call_grandchild_right(GrandchildOverride *obj) {
  // Just make sure we don't crash.
  obj->right();
}

void emit_ctors() {
  Left l;
  // CHECK: define {{.*}} @@"\01??0Left@@@@QAE@@XZ"
  // CHECK-NOT: getelementptr
  // CHECK:   store [1 x i8*]* @@"\01??_7Left@@@@6B@@"
  // CHECK: ret

  Right r;
  // CHECK: define {{.*}} @@"\01??0Right@@@@QAE@@XZ"
  // CHECK-NOT: getelementptr
  // CHECK:   store [1 x i8*]* @@"\01??_7Right@@@@6B@@"
  // CHECK: ret

  ChildOverride co;
  // CHECK: define {{.*}} @@"\01??0ChildOverride@@@@QAE@@XZ"
  // CHECK:   %[[THIS:.*]] = load %struct.ChildOverride**
  // CHECK:   %[[VFPTR:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to [1 x i8*]**
  // CHECK:   store [1 x i8*]* @@"\01??_7ChildOverride@@@@6BLeft@@@@@@", [1 x i8*]** %[[VFPTR]]
  // CHECK:   %[[THIS_i8:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to i8*
  // CHECK:   %[[VFPTR_i8:.*]] = getelementptr inbounds i8* %[[THIS_i8]], i32 4
  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to [1 x i8*]**
  // CHECK:   store [1 x i8*]* @@"\01??_7ChildOverride@@@@6BRight@@@@@@", [1 x i8*]** %[[VFPTR]]
  // CHECK: ret

  GrandchildOverride gc;
  // CHECK: define {{.*}} @@"\01??0GrandchildOverride@@@@QAE@@XZ"
  // CHECK:   %[[THIS:.*]] = load %struct.GrandchildOverride**
  // CHECK:   %[[VFPTR:.*]] = bitcast %struct.GrandchildOverride* %[[THIS]] to [1 x i8*]**
  // CHECK:   store [1 x i8*]* @@"\01??_7GrandchildOverride@@@@6BLeft@@@@@@", [1 x i8*]** %[[VFPTR]]
  // CHECK:   %[[THIS_i8:.*]] = bitcast %struct.GrandchildOverride* %[[THIS]] to i8*
  // CHECK:   %[[VFPTR_i8:.*]] = getelementptr inbounds i8* %[[THIS_i8]], i32 4
  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to [1 x i8*]**
  // CHECK:   store [1 x i8*]* @@"\01??_7GrandchildOverride@@@@6BRight@@@@@@", [1 x i8*]** %[[VFPTR]]
  // CHECK: ret
}

struct LeftWithNonVirtualDtor {
  virtual void left();
  ~LeftWithNonVirtualDtor();
};

struct AsymmetricChild : LeftWithNonVirtualDtor, Right {
  virtual ~AsymmetricChild();
};

void call_asymmetric_child_complete_dtor() {
  // CHECK-LABEL: define void @@"\01?call_asymmetric_child_complete_dtor@@@@YAXXZ"
  AsymmetricChild obj;
  // CHECK: call x86_thiscallcc %struct.AsymmetricChild* @@"\01??0AsymmetricChild@@@@QAE@@XZ"(%struct.AsymmetricChild* %[[OBJ:.*]])
  // CHECK-NOT: getelementptr
  // CHECK: call x86_thiscallcc void @@"\01??1AsymmetricChild@@@@UAE@@XZ"(%struct.AsymmetricChild* %[[OBJ]])
  // CHECK: ret
}
@


1.1.1.2.4.1
log
@file microsoft-abi-multiple-nonvirtual-inheritance.cpp was added on branch yamt-pagecache on 2014-05-22 16:18:57 +0000
@
text
@d1 201
@


1.1.1.2.4.2
log
@sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs.  ("Protocol error: too many arguments")
@
text
@a0 201
// RUN: %clang_cc1 -fno-rtti -emit-llvm %s -o - -mconstructor-aliases -triple=i386-pc-win32 | FileCheck %s

struct Left {
  virtual void left();
};

struct Right {
  virtual void right();
};

struct ChildNoOverride : Left, Right {
};

struct ChildOverride : Left, Right {
  virtual void left();
  virtual void right();
};

extern "C" void foo(void *);

void call_left_no_override(ChildNoOverride *child) {
// CHECK: define void @@"\01?call_left_no_override
// CHECK: %[[CHILD:.*]] = load %struct.ChildNoOverride

  child->left();
// Only need to cast 'this' to Left*.
// CHECK: %[[LEFT:.*]] = bitcast %struct.ChildNoOverride* %[[CHILD]] to %struct.Left*
// CHECK: %[[VFPTR:.*]] = bitcast %struct.Left* %[[LEFT]] to void (%struct.Left*)***
// CHECK: %[[VFTABLE:.*]] = load void (%struct.Left*)*** %[[VFPTR]]
// CHECK: %[[VFUN:.*]] = getelementptr inbounds void (%struct.Left*)** %[[VFTABLE]], i64 0
// CHECK: %[[VFUN_VALUE:.*]] = load void (%struct.Left*)** %[[VFUN]]
// CHECK: call x86_thiscallcc void %[[VFUN_VALUE]](%struct.Left* %[[LEFT]])
// CHECK: ret
}

void ChildOverride::left() {
// CHECK: define x86_thiscallcc void @@"\01?left@@ChildOverride@@@@UAEXXZ"(%struct.ChildOverride* %[[THIS:.*]])
//
// No need to adjust 'this' as the ChildOverride's layout begins with Left.
// CHECK: %[[THIS_ADDR:.*]] = alloca %struct.ChildOverride*, align 4
// CHECK: store %struct.ChildOverride* %[[THIS]], %struct.ChildOverride** %[[THIS_ADDR]], align 4

  foo(this);
// CHECK: %[[THIS:.*]] = load %struct.ChildOverride** %[[THIS_ADDR]]
// CHECK: %[[THIS_i8:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to i8*
// CHECK: call void @@foo(i8* %[[THIS_i8]])
// CHECK: ret
}

void call_left_override(ChildOverride *child) {
// CHECK: define void @@"\01?call_left_override
// CHECK: %[[CHILD:.*]] = load %struct.ChildOverride

  child->left();
// CHECK: %[[VFPTR:.*]] = bitcast %struct.ChildOverride* %[[CHILD]] to void (%struct.ChildOverride*)***
// CHECK: %[[VFTABLE:.*]] = load void (%struct.ChildOverride*)*** %[[VFPTR]]
// CHECK: %[[VFUN:.*]] = getelementptr inbounds void (%struct.ChildOverride*)** %[[VFTABLE]], i64 0
// CHECK: %[[VFUN_VALUE:.*]] = load void (%struct.ChildOverride*)** %[[VFUN]]
//
// CHECK: call x86_thiscallcc void %[[VFUN_VALUE]](%struct.ChildOverride* %[[CHILD]])
// CHECK: ret
}

void call_right_no_override(ChildNoOverride *child) {
// CHECK: define void @@"\01?call_right_no_override
// CHECK: %[[CHILD:.*]] = load %struct.ChildNoOverride

  child->right();
// When calling a right base's virtual method, one needs to adjust 'this' at
// the caller site.
//
// CHECK: %[[CHILD_i8:.*]] = bitcast %struct.ChildNoOverride* %[[CHILD]] to i8*
// CHECK: %[[RIGHT_i8:.*]] = getelementptr inbounds i8* %[[CHILD_i8]], i32 4
// CHECK: %[[RIGHT:.*]] = bitcast i8* %[[RIGHT_i8]] to %struct.Right*
//
// CHECK: %[[VFPTR:.*]] = bitcast %struct.Right* %[[RIGHT]] to void (%struct.Right*)***
// CHECK: %[[VFTABLE:.*]] = load void (%struct.Right*)*** %[[VFPTR]]
// CHECK: %[[VFUN:.*]] = getelementptr inbounds void (%struct.Right*)** %[[VFTABLE]], i64 0
// CHECK: %[[VFUN_VALUE:.*]] = load void (%struct.Right*)** %[[VFUN]]
// CHECK: call x86_thiscallcc void %[[VFUN_VALUE]](%struct.Right* %[[RIGHT]])
// CHECK: ret
}

void ChildOverride::right() {
// CHECK: define x86_thiscallcc void @@"\01?right@@ChildOverride@@@@UAEXXZ"(i8*
//
// ChildOverride::right gets 'this' cast to Right* in ECX (i.e. this+4) so we
// need to adjust 'this' before use.
//
// CHECK: %[[THIS_ADDR:.*]] = alloca %struct.ChildOverride*, align 4
// CHECK: %[[THIS_i8:.*]] = getelementptr inbounds i8* %[[ECX:.*]], i32 -4
// CHECK: %[[THIS:.*]] = bitcast i8* %[[THIS_i8]] to %struct.ChildOverride*
// CHECK: store %struct.ChildOverride* %[[THIS]], %struct.ChildOverride** %[[THIS_ADDR]], align 4

  foo(this);
// CHECK: %[[THIS:.*]] = load %struct.ChildOverride** %[[THIS_ADDR]]
// CHECK: %[[THIS_PARAM:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to i8*
// CHECK: call void @@foo(i8* %[[THIS_PARAM]])
// CHECK: ret
}

void call_right_override(ChildOverride *child) {
// CHECK: define void @@"\01?call_right_override
// CHECK: %[[CHILD:.*]] = load %struct.ChildOverride

  child->right();
// When calling a right child's virtual method, one needs to adjust 'this' at
// the caller site.
//
// CHECK: %[[CHILD_i8:.*]] = bitcast %struct.ChildOverride* %[[CHILD]] to i8*
//
// CHECK: %[[VFPTR_i8:.*]] = getelementptr inbounds i8* %[[CHILD_i8]], i32 4
// CHECK: %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to void (i8*)***
// CHECK: %[[VFTABLE:.*]] = load void (i8*)*** %[[VFPTR]]
// CHECK: %[[VFUN:.*]] = getelementptr inbounds void (i8*)** %[[VFTABLE]], i64 0
// CHECK: %[[VFUN_VALUE:.*]] = load void (i8*)** %[[VFUN]]
//
// CHECK: %[[CHILD_i8:.*]] = bitcast %struct.ChildOverride* %[[CHILD]] to i8*
// CHECK: %[[RIGHT:.*]] = getelementptr inbounds i8* %[[CHILD_i8]], i32 4
//
// CHECK: call x86_thiscallcc void %[[VFUN_VALUE]](i8* %[[RIGHT]])
// CHECK: ret
}

struct GrandchildOverride : ChildOverride {
  virtual void right();
};

void GrandchildOverride::right() {
// CHECK: define x86_thiscallcc void @@"\01?right@@GrandchildOverride@@@@UAEXXZ"(i8*
//
// CHECK: %[[THIS_ADDR:.*]] = alloca %struct.GrandchildOverride*, align 4
// CHECK: %[[THIS_i8:.*]] = getelementptr inbounds i8* %[[ECX:.*]], i32 -4
// CHECK: %[[THIS:.*]] = bitcast i8* %[[THIS_i8]] to %struct.GrandchildOverride*
// CHECK: store %struct.GrandchildOverride* %[[THIS]], %struct.GrandchildOverride** %[[THIS_ADDR]], align 4

  foo(this);
// CHECK: %[[THIS:.*]] = load %struct.GrandchildOverride** %[[THIS_ADDR]]
// CHECK: %[[THIS_PARAM:.*]] = bitcast %struct.GrandchildOverride* %[[THIS]] to i8*
// CHECK: call void @@foo(i8* %[[THIS_PARAM]])
// CHECK: ret
}

void call_grandchild_right(GrandchildOverride *obj) {
  // Just make sure we don't crash.
  obj->right();
}

void emit_ctors() {
  Left l;
  // CHECK: define {{.*}} @@"\01??0Left@@@@QAE@@XZ"
  // CHECK-NOT: getelementptr
  // CHECK:   store [1 x i8*]* @@"\01??_7Left@@@@6B@@"
  // CHECK: ret

  Right r;
  // CHECK: define {{.*}} @@"\01??0Right@@@@QAE@@XZ"
  // CHECK-NOT: getelementptr
  // CHECK:   store [1 x i8*]* @@"\01??_7Right@@@@6B@@"
  // CHECK: ret

  ChildOverride co;
  // CHECK: define {{.*}} @@"\01??0ChildOverride@@@@QAE@@XZ"
  // CHECK:   %[[THIS:.*]] = load %struct.ChildOverride**
  // CHECK:   %[[VFPTR:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to [1 x i8*]**
  // CHECK:   store [1 x i8*]* @@"\01??_7ChildOverride@@@@6BLeft@@@@@@", [1 x i8*]** %[[VFPTR]]
  // CHECK:   %[[THIS_i8:.*]] = bitcast %struct.ChildOverride* %[[THIS]] to i8*
  // CHECK:   %[[VFPTR_i8:.*]] = getelementptr inbounds i8* %[[THIS_i8]], i32 4
  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to [1 x i8*]**
  // CHECK:   store [1 x i8*]* @@"\01??_7ChildOverride@@@@6BRight@@@@@@", [1 x i8*]** %[[VFPTR]]
  // CHECK: ret

  GrandchildOverride gc;
  // CHECK: define {{.*}} @@"\01??0GrandchildOverride@@@@QAE@@XZ"
  // CHECK:   %[[THIS:.*]] = load %struct.GrandchildOverride**
  // CHECK:   %[[VFPTR:.*]] = bitcast %struct.GrandchildOverride* %[[THIS]] to [1 x i8*]**
  // CHECK:   store [1 x i8*]* @@"\01??_7GrandchildOverride@@@@6BLeft@@@@@@", [1 x i8*]** %[[VFPTR]]
  // CHECK:   %[[THIS_i8:.*]] = bitcast %struct.GrandchildOverride* %[[THIS]] to i8*
  // CHECK:   %[[VFPTR_i8:.*]] = getelementptr inbounds i8* %[[THIS_i8]], i32 4
  // CHECK:   %[[VFPTR:.*]] = bitcast i8* %[[VFPTR_i8]] to [1 x i8*]**
  // CHECK:   store [1 x i8*]* @@"\01??_7GrandchildOverride@@@@6BRight@@@@@@", [1 x i8*]** %[[VFPTR]]
  // CHECK: ret
}

struct LeftWithNonVirtualDtor {
  virtual void left();
  ~LeftWithNonVirtualDtor();
};

struct AsymmetricChild : LeftWithNonVirtualDtor, Right {
  virtual ~AsymmetricChild();
};

void call_asymmetric_child_complete_dtor() {
  // CHECK-LABEL: define void @@"\01?call_asymmetric_child_complete_dtor@@@@YAXXZ"
  AsymmetricChild obj;
  // CHECK: call x86_thiscallcc %struct.AsymmetricChild* @@"\01??0AsymmetricChild@@@@QAE@@XZ"(%struct.AsymmetricChild* %[[OBJ:.*]])
  // CHECK-NOT: getelementptr
  // CHECK: call x86_thiscallcc void @@"\01??1AsymmetricChild@@@@UAE@@XZ"(%struct.AsymmetricChild* %[[OBJ]])
  // CHECK: ret
}
@