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      1 // RUN: %clang_cc1 -triple i686--windows -fms-compatibility -Oz -emit-llvm %s -o - | FileCheck %s
      2 // RUN: %clang_cc1 -triple thumbv7--windows -fms-compatibility -Oz -emit-llvm %s -o - | FileCheck %s
      3 
      4 void *test_InterlockedExchangePointer(void * volatile *Target, void *Value) {
      5   return _InterlockedExchangePointer(Target, Value);
      6 }
      7 
      8 // CHECK: define{{.*}}i8* @test_InterlockedExchangePointer(i8** %Target, i8* %Value){{.*}}{
      9 // CHECK:   %[[TARGET:[0-9]+]] = bitcast i8** %Target to i32*
     10 // CHECK:   %[[VALUE:[0-9]+]] = ptrtoint i8* %Value to i32
     11 // CHECK:   %[[EXCHANGE:[0-9]+]] = atomicrmw xchg i32* %[[TARGET]], i32 %[[VALUE]] seq_cst
     12 // CHECK:   %[[RESULT:[0-9]+]] = inttoptr i32 %[[EXCHANGE]] to i8*
     13 // CHECK:   ret i8* %[[RESULT]]
     14 // CHECK: }
     15 
     16 void *test_InterlockedCompareExchangePointer(void * volatile *Destination,
     17                                              void *Exchange, void *Comparand) {
     18   return _InterlockedCompareExchangePointer(Destination, Exchange, Comparand);
     19 }
     20 
     21 // CHECK: define{{.*}}i8* @test_InterlockedCompareExchangePointer(i8** %Destination, i8* %Exchange, i8* %Comparand){{.*}}{
     22 // CHECK:   %[[DEST:[0-9]+]] = bitcast i8** %Destination to i32*
     23 // CHECK:   %[[EXCHANGE:[0-9]+]] = ptrtoint i8* %Exchange to i32
     24 // CHECK:   %[[COMPARAND:[0-9]+]] = ptrtoint i8* %Comparand to i32
     25 // CHECK:   %[[XCHG:[0-9]+]] = cmpxchg volatile i32* %[[DEST:[0-9]+]], i32 %[[COMPARAND:[0-9]+]], i32 %[[EXCHANGE:[0-9]+]] seq_cst seq_cst
     26 // CHECK:   %[[EXTRACT:[0-9]+]] = extractvalue { i32, i1 } %[[XCHG]], 0
     27 // CHECK:   %[[RESULT:[0-9]+]] = inttoptr i32 %[[EXTRACT]] to i8*
     28 // CHECK:   ret i8* %[[RESULT:[0-9]+]]
     29 // CHECK: }
     30 
     31 long test_InterlockedExchange(long *Target, long Value) {
     32   return _InterlockedExchange(Target, Value);
     33 }
     34 
     35 // CHECK: define{{.*}}i32 @test_InterlockedExchange(i32* %Target, i32 %Value){{.*}}{
     36 // CHECK:   %[[EXCHANGE:[0-9]+]] = atomicrmw xchg i32* %Target, i32 %Value seq_cst
     37 // CHECK:   ret i32 %[[EXCHANGE:[0-9]+]]
     38 // CHECK: }
     39