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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-12-03 21:47:08 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-12-03 21:47:08 +0000 |
| commit | 8d2584a1d9ab56d35884d035e4da6146b4d7391f (patch) | |
| tree | ab99d44d78cc986ad09f3c9e9e88b698147bfe7f /lib/CodeGen/LiveDebugVariables.cpp | |
| parent | 41ad0c4c730bdbd4ec3a03868b81a56b6b1b01a1 (diff) | |
Also update virtRegMap when renaming virtual registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120841 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveDebugVariables.cpp')
| -rw-r--r-- | lib/CodeGen/LiveDebugVariables.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/CodeGen/LiveDebugVariables.cpp b/lib/CodeGen/LiveDebugVariables.cpp index 4b428f6589..73083c7715 100644 --- a/lib/CodeGen/LiveDebugVariables.cpp +++ b/lib/CodeGen/LiveDebugVariables.cpp @@ -583,8 +583,18 @@ renameRegister(unsigned OldReg, unsigned NewReg, unsigned SubIdx, void LDVImpl:: renameRegister(unsigned OldReg, unsigned NewReg, unsigned SubIdx) { - for (UserValue *UV = lookupVirtReg(OldReg); UV; UV = UV->getNext()) + UserValue *UV = lookupVirtReg(OldReg); + if (!UV) + return; + + if (TargetRegisterInfo::isVirtualRegister(NewReg)) + mapVirtReg(NewReg, UV); + virtRegMap.erase(OldReg); + + do { UV->renameRegister(OldReg, NewReg, SubIdx, TRI); + UV = UV->getNext(); + } while (UV); } void LiveDebugVariables:: |