commit 53824265770e8dfceec551975a9bb0d83eabd5dc
author Evan Cheng <evan.cheng@apple.com> Sun Mar 18 09:02:31 2007 +0000
committer Evan Cheng <evan.cheng@apple.com> Sun Mar 18 09:02:31 2007 +0000
tree 3d086e5d181980fe647c82225fa9cadb3d8bd0ad
parent fd43be8532ae01815943b005840ed02e46448ae7

Keep UsedBlocks info accurate.

llvm-svn: 35140

llvm/lib/CodeGen/TwoAddressInstructionPass.cpp

diff --git a/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp b/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp
index ba768ba..9209420 100644
--- a/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp
@@ -198,6 +198,9 @@
           varInfo.DefInst = prevMi;
 
           // update live variables for regB
+          LiveVariables::VarInfo& varInfoB = LV.getVarInfo(regB);
+          // regB is used in this BB.
+          varInfoB.UsedBlocks[mbbi->getNumber()] = true;
           if (LV.removeVirtualRegisterKilled(regB, mbbi, mi))
             LV.addVirtualRegisterKilled(regB, prevMi);