allow a virtual register to be associated with live-in values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21927 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 405d9ec..d75bf3f 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -95,7 +95,7 @@
// beginning of the function that we will pretend "defines" the values. This
// is to make the interval analysis simpler by providing a number.
if (fn.livein_begin() != fn.livein_end()) {
- unsigned FirstLiveIn = *fn.livein_begin();
+ unsigned FirstLiveIn = fn.livein_begin()->first;
// Find a reg class that contains this live in.
const TargetRegisterClass *RC = 0;
@@ -128,11 +128,11 @@
// Note intervals due to live-in values.
if (fn.livein_begin() != fn.livein_end()) {
MachineBasicBlock *Entry = fn.begin();
- for (MachineFunction::liveinout_iterator I = fn.livein_begin(),
+ for (MachineFunction::livein_iterator I = fn.livein_begin(),
E = fn.livein_end(); I != E; ++I) {
handlePhysicalRegisterDef(Entry, Entry->begin(),
- getOrCreateInterval(*I), 0, 0);
- for (const unsigned* AS = mri_->getAliasSet(*I); *AS; ++AS)
+ getOrCreateInterval(I->first), 0, 0);
+ for (const unsigned* AS = mri_->getAliasSet(I->first); *AS; ++AS)
handlePhysicalRegisterDef(Entry, Entry->begin(),
getOrCreateInterval(*AS), 0, 0);
}