1 // RUN: %clang_cc1 -O3 -triple %itanium_abi_triple -emit-llvm -o - %s | FileCheck %s
3 // Is FP_CONTRACT is honored in a simple case?
4 float fp_contract_1(float a, float b, float c) {
5 // CHECK: _Z13fp_contract_1fff
6 // CHECK: tail call float @llvm.fmuladd
7 #pragma STDC FP_CONTRACT ON
11 // Is FP_CONTRACT state cleared on exiting compound statements?
12 float fp_contract_2(float a, float b, float c) {
13 // CHECK: _Z13fp_contract_2fff
14 // CHECK: %[[M:.+]] = fmul float %a, %b
15 // CHECK-NEXT: fadd float %[[M]], %c
17 #pragma STDC FP_CONTRACT ON
22 // Does FP_CONTRACT survive template instatiation?
24 Foo operator+(Foo, Foo);
27 T template_muladd(T a, T b, T c) {
28 #pragma STDC FP_CONTRACT ON
32 float fp_contract_3(float a, float b, float c) {
33 // CHECK: _Z13fp_contract_3fff
34 // CHECK: tail call float @llvm.fmuladd
35 return template_muladd<float>(a, b, c);
38 template<typename T> class fp_contract_4 {
39 float method(float a, float b, float c) {
40 #pragma STDC FP_CONTRACT ON
45 template class fp_contract_4<int>;
46 // CHECK: _ZN13fp_contract_4IiE6methodEfff
47 // CHECK: tail call float @llvm.fmuladd
49 // Check file-scoped FP_CONTRACT
50 #pragma STDC FP_CONTRACT ON
51 float fp_contract_5(float a, float b, float c) {
52 // CHECK: _Z13fp_contract_5fff
53 // CHECK: tail call float @llvm.fmuladd
57 #pragma STDC FP_CONTRACT OFF
58 float fp_contract_6(float a, float b, float c) {
59 // CHECK: _Z13fp_contract_6fff
60 // CHECK: %[[M:.+]] = fmul float %a, %b
61 // CHECK-NEXT: fadd float %[[M]], %c