Fix some more LiveInterval enumerations.
Deterministically enumerate the virtual registers instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158872 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 09bf817..d660bae 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -884,13 +884,11 @@
//
void LiveIntervals::addKillFlags() {
- for (iterator I = begin(), E = end(); I != E; ++I) {
- unsigned Reg = I->first;
- if (TargetRegisterInfo::isPhysicalRegister(Reg))
- continue;
+ for (unsigned i = 0, e = MRI->getNumVirtRegs(); i != e; ++i) {
+ unsigned Reg = TargetRegisterInfo::index2VirtReg(i);
if (MRI->reg_nodbg_empty(Reg))
continue;
- LiveInterval *LI = I->second;
+ LiveInterval *LI = &getInterval(Reg);
// Every instruction that kills Reg corresponds to a live range end point.
for (LiveInterval::iterator RI = LI->begin(), RE = LI->end(); RI != RE;