diff options
| author | Michael Liao <michael.liao@intel.com> | 2012-08-28 16:55:13 +0000 |
|---|---|---|
| committer | Michael Liao <michael.liao@intel.com> | 2012-08-28 16:55:13 +0000 |
| commit | 48f498fccf84d4b8888a567884cb935a4f457741 (patch) | |
| tree | 440e14aea342c0534be908d9d6846620ca62cfe8 /clang/lib/CodeGen/CGExprScalar.cpp | |
| parent | 2a226a61daea6282cb20eca5bdd51360e3b801bd (diff) | |
| download | bcm5719-llvm-48f498fccf84d4b8888a567884cb935a4f457741.tar.gz bcm5719-llvm-48f498fccf84d4b8888a567884cb935a4f457741.zip | |
Fix PR13704
- The increment needs to be signed value to preserve the original value when
its data type is larger than 64-bit integer.
llvm-svn: 162766
Diffstat (limited to 'clang/lib/CodeGen/CGExprScalar.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGExprScalar.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/CGExprScalar.cpp b/clang/lib/CodeGen/CGExprScalar.cpp index f304317756b..58692f5cb35 100644 --- a/clang/lib/CodeGen/CGExprScalar.cpp +++ b/clang/lib/CodeGen/CGExprScalar.cpp @@ -1306,7 +1306,7 @@ ScalarExprEmitter::EmitScalarPrePostIncDec(const UnaryOperator *E, LValue LV, // Most common case by far: integer increment. } else if (type->isIntegerType()) { - llvm::Value *amt = llvm::ConstantInt::get(value->getType(), amount); + llvm::Value *amt = llvm::ConstantInt::get(value->getType(), amount, true); // Note that signed integer inc/dec with width less than int can't // overflow because of promotion rules; we're just eliding a few steps here. |
