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| author | Evan Cheng <evan.cheng@apple.com> | 2007-10-09 23:36:27 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-10-09 23:36:27 +0000 |
| commit | 5edc57fa426837fd745bcf7265f008f98b2c5393 (patch) | |
| tree | b09b2777e085d78ccdc23f15869aa5c9d02422af /lib/CodeGen/SimpleRegisterCoalescing.cpp | |
| parent | 80fe9e8459514670b6683e8c005367fd1af3a7e8 (diff) | |
Fix an extremely stupid bug that prevented first round of coalescing (physical registers only) from happening.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42820 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SimpleRegisterCoalescing.cpp')
| -rw-r--r-- | lib/CodeGen/SimpleRegisterCoalescing.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp index 5ef838c33a..4c1a96dd7d 100644 --- a/lib/CodeGen/SimpleRegisterCoalescing.cpp +++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp @@ -861,7 +861,8 @@ void SimpleRegisterCoalescing::CopyCoalesceInMBB(MachineBasicBlock *MBB, unsigned SrcReg, DstReg; if (!tii_->isMoveInstr(*Inst, SrcReg, DstReg)) continue; - if (TryAgain && !JoinCopy(Inst, SrcReg, DstReg, PhysOnly)) + bool Success = JoinCopy(Inst, SrcReg, DstReg, PhysOnly); + if (TryAgain && !Success) TryAgain->push_back(getCopyRec(Inst, SrcReg, DstReg)); } } |