|  | // 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 | 
|  |  | 
|  | #include <x86intrin.h> | 
|  |  | 
|  | int test__bswapd(int X) { | 
|  | // CHECK-LABEL: test__bswapd | 
|  | // CHECK: call i32 @llvm.bswap.i32 | 
|  | return __bswapd(X); | 
|  | } | 
|  |  | 
|  | int test_bswap(int X) { | 
|  | // CHECK-LABEL: test_bswap | 
|  | // CHECK: call i32 @llvm.bswap.i32 | 
|  | return _bswap(X); | 
|  | } | 
|  |  | 
|  | long test__bswapq(long long X) { | 
|  | // CHECK-LABEL: test__bswapq | 
|  | // CHECK: call i64 @llvm.bswap.i64 | 
|  | return __bswapq(X); | 
|  | } | 
|  |  | 
|  | long test_bswap64(long long X) { | 
|  | // CHECK-LABEL: test_bswap64 | 
|  | // CHECK: call i64 @llvm.bswap.i64 | 
|  | return _bswap64(X); | 
|  | } | 
|  |  | 
|  | // Test constexpr handling. | 
|  | #if defined(__cplusplus) && (__cplusplus >= 201103L) | 
|  |  | 
|  | char bswapd_0[__bswapd(0x00000000) == 0x00000000 ? 1 : -1]; | 
|  | char bswapd_1[__bswapd(0x01020304) == 0x04030201 ? 1 : -1]; | 
|  |  | 
|  | char bswap_0[_bswap(0x00000000) == 0x00000000 ? 1 : -1]; | 
|  | char bswap_1[_bswap(0x10203040) == 0x40302010 ? 1 : -1]; | 
|  |  | 
|  | char bswapq_0[__bswapq(0x0000000000000000ULL) == 0x0000000000000000 ? 1 : -1]; | 
|  | char bswapq_1[__bswapq(0x0102030405060708ULL) == 0x0807060504030201 ? 1 : -1]; | 
|  |  | 
|  | char bswap64_0[_bswap64(0x0000000000000000ULL) == 0x0000000000000000 ? 1 : -1]; | 
|  | char bswap64_1[_bswap64(0x1020304050607080ULL) == 0x8070605040302010 ? 1 : -1]; | 
|  |  | 
|  | #endif |