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Add test for __umulh 

llvm-svn: 223319
This commit is contained in:
Reid Kleckner 2014-12-03 23:52:26 +00:00
parent d433838adf
commit 2c8d86ca05
1 changed files with 34 additions and 12 deletions
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46
clang/test/CodeGen/ms-intrinsics.c
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@ -1,15 +1,28 @@
// RUN: %clang_cc1 -triple i686--windows -fms-compatibility -Oz -emit-llvm %s -o - | FileCheck %s -check-prefix CHECK -check-prefix CHECK-I386
// RUN: %clang_cc1 -triple thumbv7--windows -fms-compatibility -Oz -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
// RUN: -triple i686--windows -Oz -emit-llvm %s -o - \
// RUN: | FileCheck %s -check-prefix CHECK -check-prefix CHECK-I386
// RUN: %clang_cc1 -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
// RUN: -triple thumbv7--windows -Oz -emit-llvm %s -o - \
// RUN: | FileCheck %s
// RUN: %clang_cc1 -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
// RUN: -triple x86_64--windows -Oz -emit-llvm %s -o - \
// RUN: | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-X64
// Intrin.h needs size_t, but -ffreestanding prevents us from getting it from
// stddef.h. Work around it with this typedef.
typedef __SIZE_TYPE__ size_t;
#include <Intrin.h>
void *test_InterlockedExchangePointer(void * volatile *Target, void *Value) {
return _InterlockedExchangePointer(Target, Value);
}
// CHECK: define{{.*}}i8* @test_InterlockedExchangePointer(i8** %Target, i8* %Value){{.*}}{
// CHECK: %[[TARGET:[0-9]+]] = bitcast i8** %Target to i32*
// CHECK: %[[VALUE:[0-9]+]] = ptrtoint i8* %Value to i32
// CHECK: %[[EXCHANGE:[0-9]+]] = atomicrmw xchg i32* %[[TARGET]], i32 %[[VALUE]] seq_cst
// CHECK: %[[RESULT:[0-9]+]] = inttoptr i32 %[[EXCHANGE]] to i8*
// CHECK: %[[TARGET:[0-9]+]] = bitcast i8** %Target to [[iPTR:i[0-9]+]]*
// CHECK: %[[VALUE:[0-9]+]] = ptrtoint i8* %Value to [[iPTR]]
// CHECK: %[[EXCHANGE:[0-9]+]] = atomicrmw xchg [[iPTR]]* %[[TARGET]], [[iPTR]] %[[VALUE]] seq_cst
// CHECK: %[[RESULT:[0-9]+]] = inttoptr [[iPTR]] %[[EXCHANGE]] to i8*
// CHECK: ret i8* %[[RESULT]]
// CHECK: }
@ -19,12 +32,12 @@ void *test_InterlockedCompareExchangePointer(void * volatile *Destination,
}
// CHECK: define{{.*}}i8* @test_InterlockedCompareExchangePointer(i8** %Destination, i8* %Exchange, i8* %Comparand){{.*}}{
// CHECK: %[[DEST:[0-9]+]] = bitcast i8** %Destination to i32*
// CHECK: %[[EXCHANGE:[0-9]+]] = ptrtoint i8* %Exchange to i32
// CHECK: %[[COMPARAND:[0-9]+]] = ptrtoint i8* %Comparand to i32
// CHECK: %[[XCHG:[0-9]+]] = cmpxchg volatile i32* %[[DEST:[0-9]+]], i32 %[[COMPARAND:[0-9]+]], i32 %[[EXCHANGE:[0-9]+]] seq_cst seq_cst
// CHECK: %[[EXTRACT:[0-9]+]] = extractvalue { i32, i1 } %[[XCHG]], 0
// CHECK: %[[RESULT:[0-9]+]] = inttoptr i32 %[[EXTRACT]] to i8*
// CHECK: %[[DEST:[0-9]+]] = bitcast i8** %Destination to [[iPTR]]*
// CHECK: %[[EXCHANGE:[0-9]+]] = ptrtoint i8* %Exchange to [[iPTR]]
// CHECK: %[[COMPARAND:[0-9]+]] = ptrtoint i8* %Comparand to [[iPTR]]
// CHECK: %[[XCHG:[0-9]+]] = cmpxchg volatile [[iPTR]]* %[[DEST:[0-9]+]], [[iPTR]] %[[COMPARAND:[0-9]+]], [[iPTR]] %[[EXCHANGE:[0-9]+]] seq_cst seq_cst
// CHECK: %[[EXTRACT:[0-9]+]] = extractvalue { [[iPTR]], i1 } %[[XCHG]], 0
// CHECK: %[[RESULT:[0-9]+]] = inttoptr [[iPTR]] %[[EXTRACT]] to i8*
// CHECK: ret i8* %[[RESULT:[0-9]+]]
// CHECK: }
@ -49,3 +62,12 @@ long test__readfsdword(unsigned long Offset) {
// CHECK-I386: }
#endif
#if defined(__x86_64__)
unsigned __int64 test__umulh(unsigned __int64 a, unsigned __int64 b) {
return __umulh(a, b);
}
// CHECK-X64-LABEL: define i64 @test__umulh(i64 %a, i64 %b)
// CHECK-X64: = mul i128 %
#endif