clang/test/CodeGen/X86/popcnt-builtins.c

// RUN: %clang_cc1 -x c -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +popcnt -no-enable-noundef-analysis -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-POPCNT
// RUN: %clang_cc1 -x c++ -std=c++11 -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +popcnt -no-enable-noundef-analysis -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-POPCNT
// RUN: %clang_cc1 -x c -ffreestanding %s -triple=x86_64-apple-darwin -no-enable-noundef-analysis -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -x c++ -std=c++11 -ffreestanding %s -triple=x86_64-apple-darwin -no-enable-noundef-analysis -emit-llvm -o - | FileCheck %s

// RUN: %clang_cc1 -x c -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +popcnt -no-enable-noundef-analysis -emit-llvm -o - -fexperimental-new-constant-interpreter | FileCheck %s --check-prefixes=CHECK,CHECK-POPCNT
// RUN: %clang_cc1 -x c++ -std=c++11 -ffreestanding %s -triple=x86_64-apple-darwin -target-feature +popcnt -no-enable-noundef-analysis -emit-llvm -o - -fexperimental-new-constant-interpreter | FileCheck %s --check-prefixes=CHECK,CHECK-POPCNT
// RUN: %clang_cc1 -x c -ffreestanding %s -triple=x86_64-apple-darwin -no-enable-noundef-analysis -emit-llvm -o - -fexperimental-new-constant-interpreter | FileCheck %s
// RUN: %clang_cc1 -x c++ -std=c++11 -ffreestanding %s -triple=x86_64-apple-darwin -no-enable-noundef-analysis -emit-llvm -o - -fexperimental-new-constant-interpreter | FileCheck %s


#include <x86intrin.h>
#include "builtin_test_helpers.h"

#ifdef __POPCNT__
int test_mm_popcnt_u32(unsigned int __X) {
  //CHECK-POPCNT: call i32 @llvm.ctpop.i32
  return _mm_popcnt_u32(__X);
}
TEST_CONSTEXPR(_mm_popcnt_u32(0x00000000) == 0);
TEST_CONSTEXPR(_mm_popcnt_u32(0x000000F0) == 4);
#endif

int test_popcnt32(unsigned int __X) {
  //CHECK: call i32 @llvm.ctpop.i32
  return _popcnt32(__X);
}
TEST_CONSTEXPR(_popcnt32(0x00000000) == 0);
TEST_CONSTEXPR(_popcnt32(0x100000F0) == 5);

int test__popcntd(unsigned int __X) {
  //CHECK: call i32 @llvm.ctpop.i32
  return __popcntd(__X);
}
TEST_CONSTEXPR(__popcntd(0x00000000) == 0);
TEST_CONSTEXPR(__popcntd(0x00F000F0) == 8);

#ifdef __x86_64__
#ifdef __POPCNT__
long long test_mm_popcnt_u64(unsigned long long __X) {
  //CHECK-POPCNT: call i64 @llvm.ctpop.i64
  return _mm_popcnt_u64(__X);
}
TEST_CONSTEXPR(_mm_popcnt_u64(0x0000000000000000ULL) == 0);
TEST_CONSTEXPR(_mm_popcnt_u64(0xF000000000000001ULL) == 5);
#endif

long long test_popcnt64(unsigned long long __X) {
  //CHECK: call i64 @llvm.ctpop.i64
  return _popcnt64(__X);
}
TEST_CONSTEXPR(_popcnt64(0x0000000000000000ULL) == 0);
TEST_CONSTEXPR(_popcnt64(0xF00000F000000001ULL) == 9);

long long test__popcntq(unsigned long long __X) {
  //CHECK: call i64 @llvm.ctpop.i64
  return __popcntq(__X);
}
TEST_CONSTEXPR(__popcntq(0x0000000000000000ULL) == 0);
TEST_CONSTEXPR(__popcntq(0xF000010000300001ULL) == 8);
#endif