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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 | 33b554795def5cd50f961721acbb33246226824b (patch) | |
| tree | 0bb4b808db4814447ceb640c95b7c001dd5b60d1 /lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp | |
| parent | 57f1e2cee06f9b57995727d786aeb1031c5376bd (diff) | |
We only want to zero extend the existing information if the bit width is
actually larger.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126464 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp b/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp index 82b6c4022d..3cab795bae 100644 --- a/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp +++ b/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); } |