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Same isPhysRegAvailable bug as local register allocator.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47500 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-02-22 20:31:32 +00:00
parent bcfa1ca976
commit 672e550601
1 changed files with 1 additions and 1 deletions
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2
lib/CodeGen/RegAllocBigBlock.cpp
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@@ -385,7 +385,7 @@ bool RABigBlock::isPhysRegAvailable(unsigned PhysReg) const {
// not free! // not free!
for (const unsigned *AliasSet = RegInfo->getAliasSet(PhysReg); for (const unsigned *AliasSet = RegInfo->getAliasSet(PhysReg);
*AliasSet; ++AliasSet) *AliasSet; ++AliasSet)
if (PhysRegsUsed[*AliasSet] != -1) // Aliased register in use? if (PhysRegsUsed[*AliasSet] >= 0) // Aliased register in use?
return false; // Can't use this reg then. return false; // Can't use this reg then.
return true; return true;
} }