f04e387055
support default values for C/C++. FPP-MODEL=PRECISE enables FFP-CONTRACT(FMA is enabled). Fix for https://bugs.llvm.org/show_bug.cgi?id=50222
49 lines
2.0 KiB
C
49 lines
2.0 KiB
C
// REQUIRES: x86-registered-target
|
|
// RUN: %clang -S -emit-llvm -ffp-model=fast -emit-llvm %s -o - \
|
|
// RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-FAST
|
|
|
|
// RUN: %clang -S -emit-llvm -ffp-model=precise %s -o - \
|
|
// RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-PRECISE
|
|
|
|
// RUN: %clang -S -emit-llvm -ffp-model=strict %s -o - \
|
|
// RUN: -target x86_64 | FileCheck %s --check-prefixes=CHECK,CHECK-STRICT
|
|
|
|
// RUN: %clang -S -emit-llvm -ffp-model=strict -ffast-math \
|
|
// RUN: -target x86_64 %s -o - | FileCheck %s \
|
|
// RUN: --check-prefixes CHECK,CHECK-STRICT-FAST
|
|
|
|
// RUN: %clang -S -emit-llvm -ffp-model=precise -ffast-math \
|
|
// RUN: %s -o - | FileCheck %s --check-prefixes CHECK,CHECK-FAST1
|
|
|
|
float mymuladd(float x, float y, float z) {
|
|
// CHECK: define{{.*}} float @mymuladd
|
|
return x * y + z;
|
|
|
|
// CHECK-FAST: fmul fast float
|
|
// CHECK-FAST: load float, float*
|
|
// CHECK-FAST: fadd fast float
|
|
|
|
// CHECK-PRECISE: load float, float*
|
|
// CHECK-PRECISE: load float, float*
|
|
// CHECK-PRECISE: load float, float*
|
|
// CHECK-PRECISE: call float @llvm.fmuladd.f32(float {{.*}}, float {{.*}}, float {{.*}})
|
|
|
|
// CHECK-STRICT: load float, float*
|
|
// CHECK-STRICT: load float, float*
|
|
// CHECK-STRICT: call float @llvm.experimental.constrained.fmul.f32(float {{.*}}, float {{.*}}, {{.*}})
|
|
// CHECK-STRICT: load float, float*
|
|
// CHECK-STRICT: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, {{.*}})
|
|
|
|
// CHECK-STRICT-FAST: load float, float*
|
|
// CHECK-STRICT-FAST: load float, float*
|
|
// CHECK-STRICT-FAST: call fast float @llvm.experimental.constrained.fmul.f32(float {{.*}}, float {{.*}}, {{.*}})
|
|
// CHECK-STRICT-FAST: load float, float*
|
|
// CHECK-STRICT-FAST: call fast float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, {{.*}}
|
|
|
|
// CHECK-FAST1: load float, float*
|
|
// CHECK-FAST1: load float, float*
|
|
// CHECK-FAST1: fmul fast float {{.*}}, {{.*}}
|
|
// CHECK-FAST1: load float, float* {{.*}}
|
|
// CHECK-FAST1: fadd fast float {{.*}}, {{.*}}
|
|
}
|