commit 672e55060147defd6397be4f07cb880b2f8ab151
author Evan Cheng <evan.cheng@apple.com> Fri Feb 22 20:31:32 2008 +0000
committer Evan Cheng <evan.cheng@apple.com> Fri Feb 22 20:31:32 2008 +0000
tree 1fda0378043721d2560df50e0cd7570976c94462
parent bcfa1ca9768a0ff0e4c2935832287d7bb9921cec

Same isPhysRegAvailable bug as local register allocator.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47500 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/RegAllocBigBlock.cpp

diff --git a/lib/CodeGen/RegAllocBigBlock.cpp b/lib/CodeGen/RegAllocBigBlock.cpp
index 38fb5e6..0c6c254 100644
--- a/lib/CodeGen/RegAllocBigBlock.cpp
+++ b/lib/CodeGen/RegAllocBigBlock.cpp
@@ -385,7 +385,7 @@
   // not free!
   for (const unsigned *AliasSet = RegInfo->getAliasSet(PhysReg);
        *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 true;
 }