llvm-project/clang/test/CodeGen/x86-builtins.c
Pengfei Wang 1f3a15c397 [x86] Adding support for some missing intrinsics: _castf32_u32, _castf64_u64, _castu32_f32, _castu64_f64
Summary:
Adding support for some missing intrinsics:
_castf32_u32, _castf64_u64, _castu32_f32, _castu64_f64

Reviewers: craig.topper, LuoYuanke, RKSimon, pengfei

Reviewed By: RKSimon

Subscribers: llvm-commits

Patch by yubing (Bing Yu)

Differential Revision: https://reviews.llvm.org/D67212

llvm-svn: 372802
2019-09-25 02:24:05 +00:00

46 lines
2.2 KiB
C

// RUN: %clang_cc1 -ffreestanding %s -triple=x86_64-unknown-unknown -emit-llvm -o - -Wall -Werror | FileCheck %s -check-prefix=CHECK-64
// RUN: %clang_cc1 -ffreestanding %s -triple=i386-unknown-unknown -emit-llvm -o - -Wall -Werror | FileCheck %s -check-prefix=CHECK-32
#include <x86intrin.h>
unsigned int test_castf32_u32 (float __A){
// CHECK-64-LABEL: @test_castf32_u32
// CHECK-64: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %{{.*}}, i8* align 4 %{{.*}}, i64 4, i1 false)
// CHECK-64: %{{.*}} = load i32, i32* %{{.*}}, align 4
// CHECK-32-LABEL: @test_castf32_u32
// CHECK-32: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %{{.*}}, i8* align 4 %{{.*}}, i32 4, i1 false)
// CHECK-32: %{{.*}} = load i32, i32* %{{.*}}, align 4
return _castf32_u32(__A);
}
unsigned long long test_castf64_u64 (double __A){
// CHECK-64-LABEL: @test_castf64_u64
// CHECK-64: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %{{.*}}, i8* align 8 %{{.*}}, i64 8, i1 false)
// CHECK-64: %{{.*}} = load i64, i64* %{{.*}}, align 8
// CHECK-32-LABEL: @test_castf64_u64
// CHECK-32: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 8 %{{.*}}, i8* align 8 %{{.*}}, i32 8, i1 false)
// CHECK-32: %{{.*}} = load i64, i64* %{{.*}}, align 8
return _castf64_u64(__A);
}
float test_castu32_f32 (unsigned int __A){
// CHECK-64-LABEL: @test_castu32_f32
// CHECK-64: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %{{.*}}, i8* align 4 %{{.*}}, i64 4, i1 false)
// CHECK-64: %{{.*}} = load float, float* %{{.*}}, align 4
// CHECK-32-LABEL: @test_castu32_f32
// CHECK-32: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %{{.*}}, i8* align 4 %{{.*}}, i32 4, i1 false)
// CHECK-32: %{{.*}} = load float, float* %{{.*}}, align 4
return _castu32_f32(__A);
}
double test_castu64_f64 (unsigned long long __A){
// CHECK-64-LABEL: @test_castu64_f64
// CHECK-64: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %{{.*}}, i8* align 8 %{{.*}}, i64 8, i1 false)
// CHECK-64: %{{.*}} = load double, double* %{{.*}}, align 8
// CHECK-32-LABEL: @test_castu64_f64
// CHECK-32: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 8 %{{.*}}, i8* align 8 %{{.*}}, i32 8, i1 false)
// CHECK-32: %{{.*}} = load double, double* %{{.*}}, align 8
return _castu64_f64(__A);
}