1// RUN: %clang_cc1 -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \ 2// RUN: -triple i686--windows -Oz -emit-llvm %s -o - \ 3// RUN: | FileCheck %s -check-prefix CHECK -check-prefix CHECK-I386 4// RUN: %clang_cc1 -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \ 5// RUN: -triple thumbv7--windows -Oz -emit-llvm %s -o - \ 6// RUN: | FileCheck %s 7// RUN: %clang_cc1 -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \ 8// RUN: -triple x86_64--windows -Oz -emit-llvm %s -o - \ 9// RUN: | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-X64 10 11// Intrin.h needs size_t, but -ffreestanding prevents us from getting it from 12// stddef.h. Work around it with this typedef. 13typedef __SIZE_TYPE__ size_t; 14 15#include <Intrin.h> 16 17void *test_InterlockedExchangePointer(void * volatile *Target, void *Value) { 18 return _InterlockedExchangePointer(Target, Value); 19} 20 21// CHECK: define{{.*}}i8* @test_InterlockedExchangePointer(i8** %Target, i8* %Value){{.*}}{ 22// CHECK: %[[TARGET:[0-9]+]] = bitcast i8** %Target to [[iPTR:i[0-9]+]]* 23// CHECK: %[[VALUE:[0-9]+]] = ptrtoint i8* %Value to [[iPTR]] 24// CHECK: %[[EXCHANGE:[0-9]+]] = atomicrmw xchg [[iPTR]]* %[[TARGET]], [[iPTR]] %[[VALUE]] seq_cst 25// CHECK: %[[RESULT:[0-9]+]] = inttoptr [[iPTR]] %[[EXCHANGE]] to i8* 26// CHECK: ret i8* %[[RESULT]] 27// CHECK: } 28 29void *test_InterlockedCompareExchangePointer(void * volatile *Destination, 30 void *Exchange, void *Comparand) { 31 return _InterlockedCompareExchangePointer(Destination, Exchange, Comparand); 32} 33 34// CHECK: define{{.*}}i8* @test_InterlockedCompareExchangePointer(i8** %Destination, i8* %Exchange, i8* %Comparand){{.*}}{ 35// CHECK: %[[DEST:[0-9]+]] = bitcast i8** %Destination to [[iPTR]]* 36// CHECK: %[[EXCHANGE:[0-9]+]] = ptrtoint i8* %Exchange to [[iPTR]] 37// CHECK: %[[COMPARAND:[0-9]+]] = ptrtoint i8* %Comparand to [[iPTR]] 38// CHECK: %[[XCHG:[0-9]+]] = cmpxchg volatile [[iPTR]]* %[[DEST:[0-9]+]], [[iPTR]] %[[COMPARAND:[0-9]+]], [[iPTR]] %[[EXCHANGE:[0-9]+]] seq_cst seq_cst 39// CHECK: %[[EXTRACT:[0-9]+]] = extractvalue { [[iPTR]], i1 } %[[XCHG]], 0 40// CHECK: %[[RESULT:[0-9]+]] = inttoptr [[iPTR]] %[[EXTRACT]] to i8* 41// CHECK: ret i8* %[[RESULT:[0-9]+]] 42// CHECK: } 43 44long test_InterlockedExchange(long *Target, long Value) { 45 return _InterlockedExchange(Target, Value); 46} 47 48// CHECK: define{{.*}}i32 @test_InterlockedExchange(i32* %Target, i32 %Value){{.*}}{ 49// CHECK: %[[EXCHANGE:[0-9]+]] = atomicrmw xchg i32* %Target, i32 %Value seq_cst 50// CHECK: ret i32 %[[EXCHANGE:[0-9]+]] 51// CHECK: } 52 53#if defined(__i386__) 54long test__readfsdword(unsigned long Offset) { 55 return __readfsdword(Offset); 56} 57 58// CHECK-I386: define i32 @test__readfsdword(i32 %Offset){{.*}}{ 59// CHECK-I386: [[PTR:%[0-9]+]] = inttoptr i32 %Offset to i32 addrspace(257)* 60// CHECK-I386: [[VALUE:%[0-9]+]] = load volatile i32, i32 addrspace(257)* [[PTR]], align 4 61// CHECK-I386: ret i32 [[VALUE:%[0-9]+]] 62// CHECK-I386: } 63#endif 64 65#if defined(__x86_64__) 66unsigned __int64 test__umulh(unsigned __int64 a, unsigned __int64 b) { 67 return __umulh(a, b); 68} 69// CHECK-X64-LABEL: define i64 @test__umulh(i64 %a, i64 %b) 70// CHECK-X64: = mul nuw i128 % 71 72#endif 73 74