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Also apply Chris's fix to FP select and SETCC 

llvm-svn: 20979
This commit is contained in:
Nate Begeman 2005-04-01 07:21:30 +00:00
parent 9122b4c9c0
commit c9e50238c5
1 changed files with 8 additions and 6 deletions
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14
llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp
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@ -729,6 +729,9 @@ unsigned ISel::SelectExprFP(SDOperand N, unsigned Result)
return 0;
}
unsigned TrueValue = SelectExpr(N.getOperand(1)); //Use if TRUE
unsigned FalseValue = SelectExpr(N.getOperand(2)); //Use if FALSE
// Create an iterator with which to insert the MBB for copying the false
// value and the MBB to hold the PHI instruction for this SetCC.
MachineBasicBlock *thisMBB = BB;
@ -746,7 +749,6 @@ unsigned ISel::SelectExprFP(SDOperand N, unsigned Result)
BuildMI(BB, PPC::CMPLWI, 2, PPC::CR0).addReg(Tmp1).addImm(0);
MachineBasicBlock *copy0MBB = new MachineBasicBlock(LLVM_BB);
MachineBasicBlock *sinkMBB = new MachineBasicBlock(LLVM_BB);
unsigned TrueValue = SelectExpr(N.getOperand(1)); //Use if TRUE
BuildMI(BB, PPC::BNE, 2).addReg(PPC::CR0).addMBB(sinkMBB);
MachineFunction *F = BB->getParent();
F->getBasicBlockList().insert(It, copy0MBB);
@ -759,7 +761,6 @@ unsigned ISel::SelectExprFP(SDOperand N, unsigned Result)
// %FalseValue = ...
// # fallthrough to sinkMBB
BB = copy0MBB;
unsigned FalseValue = SelectExpr(N.getOperand(2)); //Use if FALSE
// Update machine-CFG edges
BB->addSuccessor(sinkMBB);
@ -1318,6 +1319,11 @@ unsigned ISel::SelectExpr(SDOperand N) {
if (SetCCSDNode *SetCC = dyn_cast<SetCCSDNode>(Node)) {
Opc = SelectSetCR0(N);
unsigned TrueValue = MakeReg(MVT::i32);
BuildMI(BB, PPC::LI, 1, TrueValue).addSImm(1);
unsigned FalseValue = MakeReg(MVT::i32);
BuildMI(BB, PPC::LI, 1, FalseValue).addSImm(0);
// Create an iterator with which to insert the MBB for copying the false
// value and the MBB to hold the PHI instruction for this SetCC.
MachineBasicBlock *thisMBB = BB;
@ -1330,8 +1336,6 @@ unsigned ISel::SelectExpr(SDOperand N) {
// cmpTY cr0, r1, r2
// %TrueValue = li 1
// bCC sinkMBB
unsigned TrueValue = MakeReg(MVT::i32);
BuildMI(BB, PPC::LI, 1, TrueValue).addSImm(1);
MachineBasicBlock *copy0MBB = new MachineBasicBlock(LLVM_BB);
MachineBasicBlock *sinkMBB = new MachineBasicBlock(LLVM_BB);
BuildMI(BB, Opc, 2).addReg(PPC::CR0).addMBB(sinkMBB);
@ -1346,8 +1350,6 @@ unsigned ISel::SelectExpr(SDOperand N) {
// %FalseValue = li 0
// fallthrough
BB = copy0MBB;
unsigned FalseValue = MakeReg(MVT::i32);
BuildMI(BB, PPC::LI, 1, FalseValue).addSImm(0);
// Update machine-CFG edges
BB->addSuccessor(sinkMBB);