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Insert phi code at top of block

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5015 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-12-13 11:52:34 +00:00
parent 992447f91b
commit 920536333c
2 changed files with 10 additions and 4 deletions
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7
lib/Target/X86/InstSelectSimple.cpp
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@ -340,9 +340,12 @@ void ISel::SelectPHINodes() {
// Get the incoming value into a virtual register. If it is not already
// available in a virtual register, insert the computation code into
// PredMBB
MachineBasicBlock::iterator PI = PredMBB->end()-1;
//
MachineBasicBlock::iterator PI = PredMBB->begin();
while ((*PI)->getOpcode() == X86::PHI) ++PI;
MI->addRegOperand(getReg(PN->getIncomingValue(i), PredMBB, PI));
// FIXME: Pass in the MachineBasicBlocks instead of the basic blocks...
MI->addPCDispOperand(PN->getIncomingBlock(i)); // PredMBB

7
lib/Target/X86/X86ISelSimple.cpp
View File

@ -340,9 +340,12 @@ void ISel::SelectPHINodes() {
// Get the incoming value into a virtual register. If it is not already
// available in a virtual register, insert the computation code into
// PredMBB
MachineBasicBlock::iterator PI = PredMBB->end()-1;
//
MachineBasicBlock::iterator PI = PredMBB->begin();
while ((*PI)->getOpcode() == X86::PHI) ++PI;
MI->addRegOperand(getReg(PN->getIncomingValue(i), PredMBB, PI));
// FIXME: Pass in the MachineBasicBlocks instead of the basic blocks...
MI->addPCDispOperand(PN->getIncomingBlock(i)); // PredMBB