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Set the type of ptrdiff_t to signed on NVPTX targets 

It was unsigned before, which is unlike any other target and also doesn't make
much sense.

llvm-svn: 233836
This commit is contained in:
Eli Bendersky 2015-04-01 20:29:18 +00:00
parent d2f6c726e7
commit 1346717068
2 changed files with 9 additions and 7 deletions
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10
clang/lib/Basic/Targets.cpp
View File

@ -1595,20 +1595,22 @@ public:
public:
NVPTX32TargetInfo(const llvm::Triple &Triple) : NVPTXTargetInfo(Triple) {
PointerWidth = PointerAlign = 32;
SizeType = PtrDiffType = TargetInfo::UnsignedInt;
SizeType = TargetInfo::UnsignedInt;
PtrDiffType = TargetInfo::SignedInt;
IntPtrType = TargetInfo::SignedInt;
DescriptionString = "e-p:32:32-i64:64-v16:16-v32:32-n16:32:64";
}
}
};
class NVPTX64TargetInfo : public NVPTXTargetInfo {
public:
NVPTX64TargetInfo(const llvm::Triple &Triple) : NVPTXTargetInfo(Triple) {
PointerWidth = PointerAlign = 64;
SizeType = PtrDiffType = TargetInfo::UnsignedLong;
SizeType = TargetInfo::UnsignedLong;
PtrDiffType = TargetInfo::SignedLong;
IntPtrType = TargetInfo::SignedLong;
DescriptionString = "e-i64:64-v16:16-v32:32-n16:32:64";
}
}
};
static const unsigned R600AddrSpaceMap[] = {

6
clang/test/Preprocessor/init.c
View File

@ -1,4 +1,4 @@
// RUN: %clang_cc1 -E -dM -x assembler-with-cpp < /dev/null | FileCheck -check-prefix ASM %s
/PtrDiffType / RUN: %clang_cc1 -E -dM -x assembler-with-cpp < /dev/null | FileCheck -check-prefix ASM %s
//
// ASM:#define __ASSEMBLER__ 1
//
@ -4769,7 +4769,7 @@
// NVPTX32:#define __NVPTX__ 1
// NVPTX32:#define __POINTER_WIDTH__ 32
// NVPTX32:#define __PRAGMA_REDEFINE_EXTNAME 1
// NVPTX32:#define __PTRDIFF_TYPE__ unsigned int
// NVPTX32:#define __PTRDIFF_TYPE__ int
// NVPTX32:#define __PTRDIFF_WIDTH__ 32
// NVPTX32:#define __PTX__ 1
// NVPTX32:#define __SCHAR_MAX__ 127
@ -4956,7 +4956,7 @@
// NVPTX64:#define __NVPTX__ 1
// NVPTX64:#define __POINTER_WIDTH__ 64
// NVPTX64:#define __PRAGMA_REDEFINE_EXTNAME 1
// NVPTX64:#define __PTRDIFF_TYPE__ long unsigned int
// NVPTX64:#define __PTRDIFF_TYPE__ long int
// NVPTX64:#define __PTRDIFF_WIDTH__ 64
// NVPTX64:#define __PTX__ 1
// NVPTX64:#define __SCHAR_MAX__ 127