diff options
| author | Lang Hames <lhames@gmail.com> | 2012-04-02 19:58:43 +0000 |
|---|---|---|
| committer | Lang Hames <lhames@gmail.com> | 2012-04-02 19:58:43 +0000 |
| commit | be9fe49b179a89a659fe786d64b176d2b360bb4a (patch) | |
| tree | b3570318e953c06b4e63fb2dc2fb5e52aa80e9ae /lib/CodeGen | |
| parent | ce167840b2408e531fb7616627ff1bf769b4a111 (diff) | |
During two-address lowering, rescheduling an instruction does not untie
operands. Make TryInstructionTransform return false to reflect this.
Fixes PR11861.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153892 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -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 24b8bc2048..789617ba7f 100644 --- a/lib/CodeGen/TwoAddressInstructionPass.cpp +++ b/lib/CodeGen/TwoAddressInstructionPass.cpp @@ -1248,7 +1248,7 @@ TryInstructionTransform(MachineBasicBlock::iterator &mi, // re-schedule this MI below it. if (RescheduleMIBelowKill(mbbi, mi, nmi, regB)) { ++NumReSchedDowns; - return true; + return false; } if (TargetRegisterInfo::isVirtualRegister(regA)) @@ -1270,7 +1270,7 @@ TryInstructionTransform(MachineBasicBlock::iterator &mi, // re-schedule it before this MI if it's legal. if (RescheduleKillAboveMI(mbbi, mi, nmi, regB)) { ++NumReSchedUps; - return true; + return false; } // If this is an instruction with a load folded into it, try unfolding |