diff options
| author | Alex Lorenz <arphaman@gmail.com> | 2017-01-30 11:37:18 +0000 |
|---|---|---|
| committer | Alex Lorenz <arphaman@gmail.com> | 2017-01-30 11:37:18 +0000 |
| commit | 94c26be5810e11f705d7de5381f01e54a04941b4 (patch) | |
| tree | 49da822b9bf66abfc3735ce2ebf66e87c76e4cb0 /clang/lib/CodeGen/CGExprScalar.cpp | |
| parent | 9d8a335ce066846b1639ca88456ea91bc28c37d9 (diff) | |
| download | bcm5719-llvm-94c26be5810e11f705d7de5381f01e54a04941b4.tar.gz bcm5719-llvm-94c26be5810e11f705d7de5381f01e54a04941b4.zip | |
Revert "r293343 - [ubsan] Sanity-check shift amounts before truncation
(fixes PR27271)"
After r293343 clang fails to compile itself with -fsanitize=undefined (
http://lab.llvm.org:8080/green/job/clang-stage2-cmake-RgSan_build/).
rdar://30259929
llvm-svn: 293475
Diffstat (limited to 'clang/lib/CodeGen/CGExprScalar.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGExprScalar.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/clang/lib/CodeGen/CGExprScalar.cpp b/clang/lib/CodeGen/CGExprScalar.cpp index 40d949deceb..1b85c45cd4b 100644 --- a/clang/lib/CodeGen/CGExprScalar.cpp +++ b/clang/lib/CodeGen/CGExprScalar.cpp @@ -2751,8 +2751,8 @@ Value *ScalarExprEmitter::EmitShl(const BinOpInfo &Ops) { isa<llvm::IntegerType>(Ops.LHS->getType())) { CodeGenFunction::SanitizerScope SanScope(&CGF); SmallVector<std::pair<Value *, SanitizerMask>, 2> Checks; - llvm::Value *WidthMinusOne = GetWidthMinusOneValue(Ops.LHS, Ops.RHS); - llvm::Value *ValidExponent = Builder.CreateICmpULE(Ops.RHS, WidthMinusOne); + llvm::Value *WidthMinusOne = GetWidthMinusOneValue(Ops.LHS, RHS); + llvm::Value *ValidExponent = Builder.CreateICmpULE(RHS, WidthMinusOne); if (SanitizeExponent) { Checks.push_back( |
