clang/test/Headers/amdgcn-openmp-device-math-complex.c

// RUN: %clang_cc1 -internal-isystem %S/Inputs/include -x c -fopenmp -triple x86_64-unknown-unknown -fopenmp-targets=amdgcn-amd-amdhsa -emit-llvm-bc %s -o %t-host.bc
// RUN: %clang_cc1 -internal-isystem %S/../../lib/Headers/openmp_wrappers -include __clang_openmp_device_functions.h -internal-isystem %S/../../lib/Headers/openmp_wrappers -internal-isystem %S/Inputs/include -x c -fopenmp -triple amdgcn-amd-amdhsa -aux-triple x86_64-unknown-unknown -fopenmp-targets=amdgcn-amd-amdhsa -emit-llvm %s -fopenmp-is-target-device -fopenmp-host-ir-file-path %t-host.bc -o - | FileCheck %s --check-prefixes=CHECK

#include <complex.h>

void test_complex_f64(double _Complex a) {
// CHECK-LABEL: define {{.*}}test_complex_f64
#pragma omp target
  {
    // CHECK: call { double, double } @__divdc3
    // CHECK: call { double, double } @__muldc3
    (void)(a * (a / a));
  }
}

// CHECK: define weak {{.*}} @__divdc3
// CHECK-DAG: call double @llvm.fabs.f64(
// CHECK-DAG: call i1 @llvm.is.fpclass.f64(double %{{.+}}, i32 3)
// CHECK-DAG: call i1 @llvm.is.fpclass.f64(double %{{.+}}, i32 504)
// CHECK-DAG: call double @llvm.copysign.f64(
// CHECK-DAG: call double @llvm.ldexp.f64.i32(
// CHECK-DAG: call { double, i32 } @llvm.frexp.f64.i32

// CHECK: define weak {{.*}} @__muldc3
// CHECK-DAG: call i1 @llvm.is.fpclass.f64(double %{{.+}}, i32 3)
// CHECK-DAG: call i1 @llvm.is.fpclass.f64(double %{{.+}}, i32 516)
// CHECK-DAG: call double @llvm.copysign.f64(

void test_complex_f32(float _Complex a) {
// CHECK-LABEL: define {{.*}}test_complex_f32
#pragma omp target
  {
    // CHECK: call [2 x i32] @__divsc3
    // CHECK: call [2 x i32] @__mulsc3
    (void)(a * (a / a));
  }
}

// CHECK: define weak {{.*}} @__divsc3
// CHECK-DAG: call float @llvm.fabs.f32(
// CHECK-DAG: call i1 @llvm.is.fpclass.f32(float %{{.+}}, i32 3)
// CHECK-DAG: call i1 @llvm.is.fpclass.f32(float %{{.+}}, i32 516)
// CHECK-DAG: call float @llvm.copysign.f32(
// CHECK-DAG: call float @llvm.ldexp.f32.i32(
// CHECK-DAG: call { float, i32 } @llvm.frexp.f32.i32

// CHECK: define weak {{.*}} @__mulsc3
// CHECK-DAG: call i1 @llvm.is.fpclass.f32(float %{{.+}}, i32 3)
// CHECK-DAG: call i1 @llvm.is.fpclass.f32(float %{{.+}}, i32 516)
// CHECK-DAG: call float @llvm.copysign.f32(