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

   1 // 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
   2 // 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
   3 // RUN: %clang_cc1 -x c -ffreestanding %s -triple=x86_64-apple-darwin -no-enable-noundef-analysis -emit-llvm -o - | FileCheck %s
   4 // RUN: %clang_cc1 -x c++ -std=c++11 -ffreestanding %s -triple=x86_64-apple-darwin -no-enable-noundef-analysis -emit-llvm -o - | FileCheck %s
   5
   6 #include <x86intrin.h>
   7
   8 #ifdef __POPCNT__
   9 int test_mm_popcnt_u32(unsigned int __X) {
  10   //CHECK-POPCNT: call i32 @llvm.ctpop.i32
  11   return _mm_popcnt_u32(__X);
  12 }
  13 #endif
  14
  15 int test_popcnt32(unsigned int __X) {
  16   //CHECK: call i32 @llvm.ctpop.i32
  17   return _popcnt32(__X);
  18 }
  19
  20 int test__popcntd(unsigned int __X) {
  21   //CHECK: call i32 @llvm.ctpop.i32
  22   return __popcntd(__X);
  23 }
  24
  25 #ifdef __x86_64__
  26 #ifdef __POPCNT__
  27 long long test_mm_popcnt_u64(unsigned long long __X) {
  28   //CHECK-POPCNT: call i64 @llvm.ctpop.i64
  29   return _mm_popcnt_u64(__X);
  30 }
  31 #endif
  32
  33 long long test_popcnt64(unsigned long long __X) {
  34   //CHECK: call i64 @llvm.ctpop.i64
  35   return _popcnt64(__X);
  36 }
  37
  38 long long test__popcntq(unsigned long long __X) {
  39   //CHECK: call i64 @llvm.ctpop.i64
  40   return __popcntq(__X);
  41 }
  42 #endif
  43
  44 // Test constexpr handling.
  45 #if defined(__cplusplus) && (__cplusplus >= 201103L)
  46 #if defined(__POPCNT__)
  47 char ctpop32_0[_mm_popcnt_u32(0x00000000) == 0 ? 1 : -1];
  48 char ctpop32_1[_mm_popcnt_u32(0x000000F0) == 4 ? 1 : -1];
  49 #endif
  50
  51 char popcnt32_0[_popcnt32(0x00000000) == 0 ? 1 : -1];
  52 char popcnt32_1[_popcnt32(0x100000F0) == 5 ? 1 : -1];
  53
  54 char popcntd_0[__popcntd(0x00000000) == 0 ? 1 : -1];
  55 char popcntd_1[__popcntd(0x00F000F0) == 8 ? 1 : -1];
  56
  57 #ifdef __x86_64__
  58 #if defined(__POPCNT__)
  59 char ctpop64_0[_mm_popcnt_u64(0x0000000000000000ULL) == 0 ? 1 : -1];
  60 char ctpop64_1[_mm_popcnt_u64(0xF000000000000001ULL) == 5 ? 1 : -1];
  61 #endif
  62
  63 char popcnt64_0[_popcnt64(0x0000000000000000ULL) == 0 ? 1 : -1];
  64 char popcnt64_1[_popcnt64(0xF00000F000000001ULL) == 9 ? 1 : -1];
  65
  66 char popcntq_0[__popcntq(0x0000000000000000ULL) == 0 ? 1 : -1];
  67 char popcntq_1[__popcntq(0xF000010000300001ULL) == 8 ? 1 : -1];
  68 #endif
  69 #endif