1 // REQUIRES: x86-registered-target
2 // RUN: %clang -S -emit-llvm -ffp-model=fast -emit-llvm %s -o - \
3 // RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-FAST
4 
5 // RUN: %clang -S -emit-llvm -ffp-model=precise %s -o - \
6 // RUN: | FileCheck %s --check-prefixes=CHECK,CHECK-PRECISE
7 
8 // RUN: %clang -S -emit-llvm -ffp-model=strict %s -o - \
9 // RUN: -target x86_64 | FileCheck %s --check-prefixes=CHECK,CHECK-STRICT
10 
11 // RUN: %clang -S -emit-llvm -ffp-model=strict -ffast-math \
12 // RUN: -target x86_64 %s -o - | FileCheck %s \
13 // RUN: --check-prefixes CHECK,CHECK-STRICT-FAST
14 
15 // RUN: %clang -S -emit-llvm -ffp-model=precise -ffast-math \
16 // RUN: %s -o - | FileCheck %s --check-prefixes CHECK,CHECK-FAST1
17 
18 float mymuladd(float x, float y, float z) {
19   // CHECK: define{{.*}} float @mymuladd
20   return x * y + z;
21 
22   // CHECK-FAST: fmul fast float
23   // CHECK-FAST: load float, float*
24   // CHECK-FAST: fadd fast float
25 
26   // CHECK-PRECISE: load float, float*
27   // CHECK-PRECISE: load float, float*
28   // CHECK-PRECISE: load float, float*
29   // CHECK-PRECISE: call float @llvm.fmuladd.f32(float {{.*}}, float {{.*}}, float {{.*}})
30 
31   // CHECK-STRICT: load float, float*
32   // CHECK-STRICT: load float, float*
33   // CHECK-STRICT: call float @llvm.experimental.constrained.fmul.f32(float {{.*}}, float {{.*}}, {{.*}})
34   // CHECK-STRICT: load float, float*
35   // CHECK-STRICT: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, {{.*}})
36 
37   // CHECK-STRICT-FAST: load float, float*
38   // CHECK-STRICT-FAST: load float, float*
39   // CHECK-STRICT-FAST: call fast float @llvm.experimental.constrained.fmul.f32(float {{.*}}, float {{.*}}, {{.*}})
40   // CHECK-STRICT-FAST: load float, float*
41   // CHECK-STRICT-FAST: call fast float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, {{.*}}
42 
43   // CHECK-FAST1: load float, float*
44   // CHECK-FAST1: load float, float*
45   // CHECK-FAST1: fmul fast float {{.*}}, {{.*}}
46   // CHECK-FAST1: load float, float* {{.*}}
47   // CHECK-FAST1: fadd fast float {{.*}}, {{.*}}
48 }
49