In InsertFPRegKills(), use the machine-CFG itself rather than the
LLVM CFG when trying to find the successors of BB.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13212 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/InstSelectSimple.cpp b/lib/Target/X86/InstSelectSimple.cpp
index 8617f06..508bbc8 100644
--- a/lib/Target/X86/InstSelectSimple.cpp
+++ b/lib/Target/X86/InstSelectSimple.cpp
@@ -743,9 +743,9 @@
// If we haven't found an FP register use or def in this basic block, check
// to see if any of our successors has an FP PHI node, which will cause a
// copy to be inserted into this block.
- for (succ_const_iterator SI = succ_begin(BB->getBasicBlock()),
- E = succ_end(BB->getBasicBlock()); SI != E; ++SI) {
- MachineBasicBlock *SBB = MBBMap[*SI];
+ for (MachineBasicBlock::const_succ_iterator SI = BB->succ_begin(),
+ SE = BB->succ_end(); SI != SE; ++SI) {
+ MachineBasicBlock *SBB = *SI;
for (MachineBasicBlock::iterator I = SBB->begin();
I != SBB->end() && I->getOpcode() == X86::PHI; ++I) {
if (RegMap.getRegClass(I->getOperand(0).getReg())->getSize() == 10)