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llvm-project/clang/test/CodeGen/pragma-fp-exc.cpp

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Put back the test pragma-fp-exc.cpp This test was removed in 5963e028e714 because it failed on cores where support of constrained intrinsics was limited. Now this test is enabled only on x86.
2020-11-03 13:24:22 +08:00
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-DEF %s
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -ffp-exception-behavior=strict -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-STRICT %s
// REQUIRES: x86-registered-target
float func_01(float x, float y, float z) {
float res = x + y;
{
#pragma clang fp exceptions(maytrap)
res += z;
}
return res;
}
// CHECK-DEF-LABEL: @_Z7func_01fff
// CHECK-DEF: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.ignore")
// CHECK-DEF: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.maytrap")
// CHECK-STRICT-LABEL: @_Z7func_01fff
// CHECK-STRICT: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.strict")
// CHECK-STRICT: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.maytrap")