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| author | Cameron Zwarich <zwarich@apple.com> | 2011-02-25 01:10:55 +0000 |
|---|---|---|
| committer | Cameron Zwarich <zwarich@apple.com> | 2011-02-25 01:10:55 +0000 |
| commit | d2f3041c7f60e622c3e14b5b948f06a66ce8e8b8 (patch) | |
| tree | ac0a43a04d01e48242af1b2e19f3d0cfac859b5a /llvm/lib/CodeGen | |
| parent | 9918b334514d8d09644682a7af0e1b1e0c4eb894 (diff) | |
| download | bcm5719-llvm-d2f3041c7f60e622c3e14b5b948f06a66ce8e8b8.tar.gz bcm5719-llvm-d2f3041c7f60e622c3e14b5b948f06a66ce8e8b8.zip | |
We only want to zero extend the existing information if the bit width is
actually larger.
llvm-svn: 126464
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp b/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp index 82b6c4022d7..3cab795baeb 100644 --- a/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp @@ -269,7 +269,7 @@ FunctionLoweringInfo::GetLiveOutRegInfo(unsigned Reg, unsigned BitWidth) { if (!LOI->IsValid) return NULL; - if (BitWidth >= LOI->KnownZero.getBitWidth()) { + if (BitWidth > LOI->KnownZero.getBitWidth()) { LOI->KnownZero = LOI->KnownZero.zextOrTrunc(BitWidth); LOI->KnownOne = LOI->KnownOne.zextOrTrunc(BitWidth); } |
