head	1.1;
branch	1.1.1;
access;
symbols
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	netbsd-11-0-RC4:1.1.1.2
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	clang-309604:1.1.1.1
	LLVM:1.1.1;
locks; strict;
comment	@// @;


1.1
date	2017.08.01.19.34.33;	author joerg;	state Exp;
branches
	1.1.1.1;
next	;
commitid	pMuDy65V0VicSx1A;

1.1.1.1
date	2017.08.01.19.34.33;	author joerg;	state Exp;
branches
	1.1.1.1.4.1;
next	1.1.1.2;
commitid	pMuDy65V0VicSx1A;

1.1.1.2
date	2019.11.13.22.20.11;	author joerg;	state dead;
branches;
next	;
commitid	QD8YATxuNG34YJKB;

1.1.1.1.4.1
date	2020.04.13.07.47.25;	author martin;	state dead;
branches;
next	;
commitid	X01YhRUPVUDaec4C;


desc
@@


1.1
log
@Initial revision
@
text
@// RUN: %clang_cc1 -O3 -triple %itanium_abi_triple -emit-llvm -o - %s | FileCheck %s

// Is FP_CONTRACT honored in a simple case?
float fp_contract_1(float a, float b, float c) {
// CHECK: _Z13fp_contract_1fff
// CHECK: %[[M:.+]] = fmul contract float %a, %b
// CHECK-NEXT: fadd contract float %[[M]], %c
#pragma clang fp contract(fast)
  return a * b + c;
}

// Is FP_CONTRACT state cleared on exiting compound statements?
float fp_contract_2(float a, float b, float c) {
  // CHECK: _Z13fp_contract_2fff
  // CHECK: %[[M:.+]] = fmul float %a, %b
  // CHECK-NEXT: fadd float %[[M]], %c
  {
#pragma clang fp contract(fast)
  }
  return a * b + c;
}

// Does FP_CONTRACT survive template instantiation?
class Foo {};
Foo operator+(Foo, Foo);

template <typename T>
T template_muladd(T a, T b, T c) {
#pragma clang fp contract(fast)
  return a * b + c;
}

float fp_contract_3(float a, float b, float c) {
  // CHECK: _Z13fp_contract_3fff
  // CHECK: %[[M:.+]] = fmul contract float %a, %b
  // CHECK-NEXT: fadd contract float %[[M]], %c
  return template_muladd<float>(a, b, c);
}

template <typename T>
class fp_contract_4 {
  float method(float a, float b, float c) {
#pragma clang fp contract(fast)
    return a * b + c;
  }
};

template class fp_contract_4<int>;
// CHECK: _ZN13fp_contract_4IiE6methodEfff
// CHECK: %[[M:.+]] = fmul contract float %a, %b
// CHECK-NEXT: fadd contract float %[[M]], %c

// Check file-scoped FP_CONTRACT
#pragma clang fp contract(fast)
float fp_contract_5(float a, float b, float c) {
  // CHECK: _Z13fp_contract_5fff
  // CHECK: %[[M:.+]] = fmul contract float %a, %b
  // CHECK-NEXT: fadd contract float %[[M]], %c
  return a * b + c;
}

// Verify that we can handle multiple flags on the same pragma
#pragma clang fp contract(fast) contract(off)
float fp_contract_6(float a, float b, float c) {
  // CHECK: _Z13fp_contract_6fff
  // CHECK: %[[M:.+]] = fmul float %a, %b
  // CHECK-NEXT: fadd float %[[M]], %c
  return a * b + c;
}
@


1.1.1.1
log
@Import clang r309604 from branches/release_50
@
text
@@


1.1.1.1.4.1
log
@Mostly merge changes from HEAD upto 20200411
@
text
@@


1.1.1.2
log
@Mark old LLVM instance as dead.
@
text
@@