llvm-project/clang/test/CodeGen/X86/sse-builtins-constrained.c

35 lines
1.8 KiB
C

// REQUIRES: x86-registered-target
// RUN: %clang_cc1 -ffreestanding %s -triple=x86_64-unknown-linux-gnu -target-feature +sse -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=UNCONSTRAINED --check-prefix=COMMON --check-prefix=COMMONIR
// RUN: %clang_cc1 -ffreestanding %s -triple=x86_64-unknown-linux-gnu -target-feature +sse -ffp-exception-behavior=maytrap -DSTRICT=1 -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefix=CONSTRAINED --check-prefix=COMMON --check-prefix=COMMONIR
// RUN: %clang_cc1 -ffreestanding %s -triple=x86_64-unknown-linux-gnu -target-feature +sse -S %s -o - -Wall -Werror | FileCheck %s --check-prefix=CHECK-ASM --check-prefix=COMMON
// RUN: %clang_cc1 -ffreestanding %s -triple=x86_64-unknown-linux-gnu -target-feature +sse -ffp-exception-behavior=maytrap -DSTRICT=1 -S %s -o - -Wall -Werror | FileCheck %s --check-prefix=CHECK-ASM --check-prefix=COMMON
#ifdef STRICT
// Test that the constrained intrinsics are picking up the exception
// metadata from the AST instead of the global default from the command line.
#pragma float_control(except, on)
#endif
#include <immintrin.h>
__m128 test_mm_sqrt_ps(__m128 x) {
// COMMON-LABEL: test_mm_sqrt_ps
// UNCONSTRAINED: call <4 x float> @llvm.sqrt.v4f32(<4 x float> {{.*}})
// CONSTRAINED: call <4 x float> @llvm.experimental.constrained.sqrt.v4f32(<4 x float> {{.*}}, metadata !{{.*}})
// CHECK-ASM: sqrtps
return _mm_sqrt_ps(x);
}
__m128 test_sqrt_ss(__m128 x) {
// COMMON-LABEL: test_sqrt_ss
// COMMONIR: extractelement <4 x float> {{.*}}, i64 0
// UNCONSTRAINED: call float @llvm.sqrt.f32(float {{.*}})
// CONSTRAINED: call float @llvm.experimental.constrained.sqrt.f32(float {{.*}}, metadata !{{.*}})
// CHECK-ASM: sqrtss
// COMMONIR: insertelement <4 x float> {{.*}}, float {{.*}}, i64 0
return _mm_sqrt_ss(x);
}