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[Thumb] Clang thinks "char" is signed when using a thumb triple 

'char' is unsigned on all ARM and Thumb architectures. Clang gets this
right for ARM, and for thumb when using and arm triple and the -mthumb
option, but gets it wrong for thumb triples. This fixes that.

llvm-svn: 220555
This commit is contained in:
Oliver Stannard 2014-10-24 11:28:47 +00:00
parent a836924be4
commit abed2eeaea
2 changed files with 3 additions and 0 deletions
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2
clang/lib/Driver/Tools.cpp
View File

@ -459,6 +459,8 @@ static bool isSignedCharDefault(const llvm::Triple &Triple) {
case llvm::Triple::aarch64_be:
case llvm::Triple::arm:
case llvm::Triple::armeb:
case llvm::Triple::thumb:
case llvm::Triple::thumbeb:
if (Triple.isOSDarwin() || Triple.isOSWindows())
return true;
return false;

1
clang/test/Lexer/wchar-signedness.c
View File

@ -1,5 +1,6 @@
// RUN: %clang_cc1 -fsyntax-only -dM -E %s -triple x86_64-none-linux-gnu | FileCheck %s --check-prefix=CHECK-X86
// RUN: %clang_cc1 -fsyntax-only -dM -E %s -triple armv7-none-eabi | FileCheck %s --check-prefix=CHECK-ARM
// RUN: %clang_cc1 -fsyntax-only -dM -E %s -triple thumbv7-none-eabi | FileCheck %s --check-prefix=CHECK-ARM
// CHECK-X86-NOT: #define __WCHAR_UNSIGNED__
// CHECK-X86: #define __WINT_UNSIGNED__ 1