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| author | Evan Cheng <evan.cheng@apple.com> | 2011-11-15 06:26:51 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2011-11-15 06:26:51 +0000 |
| commit | f178418729d91e2f15a8eb27c0e4787b8ec7a3ce (patch) | |
| tree | 0bdf4bbf65a5e4fa5ef48468fea9dbf66f9437ff /lib/CodeGen/TwoAddressInstructionPass.cpp | |
| parent | 3273c8937b8c3ebdd1cfc0c67054ce5571f0afc9 (diff) | |
| download | llvm-f178418729d91e2f15a8eb27c0e4787b8ec7a3ce.tar.gz llvm-f178418729d91e2f15a8eb27c0e4787b8ec7a3ce.tar.bz2 llvm-f178418729d91e2f15a8eb27c0e4787b8ec7a3ce.tar.xz | |
Set SeenStore to true to prevent loads from being moved; also eliminates a non-deterministic behavior.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144628 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TwoAddressInstructionPass.cpp')
| -rw-r--r-- | lib/CodeGen/TwoAddressInstructionPass.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp index 6796312649..e2fd0076cd 100644 --- a/lib/CodeGen/TwoAddressInstructionPass.cpp +++ b/lib/CodeGen/TwoAddressInstructionPass.cpp @@ -924,7 +924,7 @@ TwoAddressInstructionPass::RescheduleMIBelowKill(MachineBasicBlock *MBB, if (isTwoAddrUse(*KillMI, Reg, DstReg)) return false; - bool SeenStore; + bool SeenStore = true; if (!MI->isSafeToMove(TII, AA, SeenStore)) return false; @@ -1071,7 +1071,7 @@ TwoAddressInstructionPass::RescheduleKillAboveMI(MachineBasicBlock *MBB, if (isTwoAddrUse(*KillMI, Reg, DstReg)) return false; - bool SeenStore; + bool SeenStore = true; if (!KillMI->isSafeToMove(TII, AA, SeenStore)) return false; |