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author | Owen Anderson <resistor@mac.com> | 2007-12-12 01:25:08 +0000 |
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committer | Owen Anderson <resistor@mac.com> | 2007-12-12 01:25:08 +0000 |
commit | ed2ffa25a18db3e9537bf919140f688bc415a055 (patch) | |
tree | b1635b8c3fa0ae96c4e0990a82ce3540a48c7aeb /lib/CodeGen/StrongPHIElimination.cpp | |
parent | 1ae6135fa37eb061499d079b9b33dc82dcc1283f (diff) | |
download | external_llvm-ed2ffa25a18db3e9537bf919140f688bc415a055.zip external_llvm-ed2ffa25a18db3e9537bf919140f688bc415a055.tar.gz external_llvm-ed2ffa25a18db3e9537bf919140f688bc415a055.tar.bz2 |
Forgot to remove a register from the PHI-union after I'd determined that it
interfered with other registers. Seems like that might be a good thing to do. :-)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44902 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/StrongPHIElimination.cpp')
-rw-r--r-- | lib/CodeGen/StrongPHIElimination.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/CodeGen/StrongPHIElimination.cpp b/lib/CodeGen/StrongPHIElimination.cpp index 4762cf3..9519e7c 100644 --- a/lib/CodeGen/StrongPHIElimination.cpp +++ b/lib/CodeGen/StrongPHIElimination.cpp @@ -357,10 +357,11 @@ void StrongPHIElimination::processPHIUnion(MachineInstr* Inst, // Insert copies for child for (int i = Inst->getNumOperands() - 1; i >= 2; i-=2) { if (Inst->getOperand(i-1).getReg() == child->getReg()) { - unsigned SrcReg = Inst->getOperand(i-1).getReg(); + unsigned SrcReg = child->getReg(); MachineBasicBlock* From = Inst->getOperand(i).getMBB(); Waiting[From].push_back(std::make_pair(SrcReg, DestReg)); + PHIUnion.erase(SrcReg); } } @@ -369,10 +370,11 @@ void StrongPHIElimination::processPHIUnion(MachineInstr* Inst, // Insert copies for parent for (int i = Inst->getNumOperands() - 1; i >= 2; i-=2) { if (Inst->getOperand(i-1).getReg() == DFNode->getReg()) { - unsigned SrcReg = Inst->getOperand(i-1).getReg(); + unsigned SrcReg = DFNode->getReg(); MachineBasicBlock* From = Inst->getOperand(i).getMBB(); Waiting[From].push_back(std::make_pair(SrcReg, DestReg)); + PHIUnion.erase(SrcReg); } } } @@ -380,10 +382,11 @@ void StrongPHIElimination::processPHIUnion(MachineInstr* Inst, // Insert copies for parent for (int i = Inst->getNumOperands() - 1; i >= 2; i-=2) { if (Inst->getOperand(i-1).getReg() == DFNode->getReg()) { - unsigned SrcReg = Inst->getOperand(i-1).getReg(); + unsigned SrcReg = DFNode->getReg(); MachineBasicBlock* From = Inst->getOperand(i).getMBB(); Waiting[From].push_back(std::make_pair(SrcReg, DestReg)); + PHIUnion.erase(SrcReg); } } } |