clang/test/CodeGen/fp-strictfp-exp.cpp

   1 // RUN: %clang_cc1 -triple mips64-linux-gnu -fexperimental-strict-floating-point -frounding-math -ffp-exception-behavior=strict -O2 -emit-llvm -o - %s | FileCheck %s
   2 // RUN: %clang_cc1 -triple mips64-linux-gnu -fexperimental-strict-floating-point -ffp-exception-behavior=strict -O2 -emit-llvm -o - %s | FileCheck %s
   3 // RUN: %clang_cc1 -triple mips64-linux-gnu -fexperimental-strict-floating-point -frounding-math -O2 -emit-llvm -o - %s | FileCheck %s
   4 //
   5 // Verify that constrained intrinsics are used due to the experimental flag.
   6 // As more targets gain support for constrained intrinsics the triple
   7 // in this test will need to change.
   8
   9 float fp_precise_1(float a, float b, float c) {
  10 // CHECK-LABEL: define{{.*}} float @_Z12fp_precise_1fff
  11 // CHECK: %[[M:.+]] = tail call float @llvm.experimental.constrained.fmul.f32(float {{.*}}, float {{.*}}, metadata {{.*}})
  12 // CHECK: tail call float @llvm.experimental.constrained.fadd.f32(float %[[M]], float %c, metadata {{.*}})
  13   return a * b + c;
  14 }