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| author | Evan Cheng <evan.cheng@apple.com> | 2007-03-18 09:02:31 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-03-18 09:02:31 +0000 |
| commit | e951cd1647834c1c6877ca9a699ef6b00a2d0ce9 (patch) | |
| tree | e899f3d6c18fdab15135930d85a7159d38424800 /lib/CodeGen/TwoAddressInstructionPass.cpp | |
| parent | 7e79e396a4ee6f96346881e090c943d7207d8abe (diff) | |
Keep UsedBlocks info accurate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35140 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TwoAddressInstructionPass.cpp')
| -rw-r--r-- | lib/CodeGen/TwoAddressInstructionPass.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp index ba768ba19f..9209420e3e 100644 --- a/lib/CodeGen/TwoAddressInstructionPass.cpp +++ b/lib/CodeGen/TwoAddressInstructionPass.cpp @@ -198,6 +198,9 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) { 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); |