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Fix some more LiveInterval enumerations.

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Deterministically enumerate the virtual registers instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158872 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2012-06-20 23:23:59 +00:00
parent d4348a2dc2
commit 12a7be9ba4
2 changed files with 12 additions and 13 deletions
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8
lib/CodeGen/LiveIntervalAnalysis.cpp
View File

@ -884,13 +884,11 @@ bool LiveIntervals::shrinkToUses(LiveInterval *li,
//
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;

17
lib/CodeGen/MachineVerifier.cpp
View File

@ -1092,20 +1092,21 @@ void MachineVerifier::verifyLiveVariables() {
void MachineVerifier::verifyLiveIntervals() {
assert(LiveInts && "Don't call verifyLiveIntervals without LiveInts");
for (LiveIntervals::const_iterator LVI = LiveInts->begin(),
LVE = LiveInts->end(); LVI != LVE; ++LVI) {
const LiveInterval &LI = *LVI->second;
for (unsigned i = 0, e = MRI->getNumVirtRegs(); i != e; ++i) {
unsigned Reg = TargetRegisterInfo::index2VirtReg(i);
// Spilling and splitting may leave unused registers around. Skip them.
if (MRI->reg_nodbg_empty(LI.reg))
if (MRI->reg_nodbg_empty(Reg))
continue;
// Physical registers have much weirdness going on, mostly from coalescing.
// We should probably fix it, but for now just ignore them.
if (TargetRegisterInfo::isPhysicalRegister(LI.reg))
if (!LiveInts->hasInterval(Reg)) {
report("Missing live interval for virtual register", MF);
*OS << PrintReg(Reg, TRI) << " still has defs or uses\n";
continue;
}
assert(LVI->first == LI.reg && "Invalid reg to interval mapping");
const LiveInterval &LI = LiveInts->getInterval(Reg);
assert(Reg == LI.reg && "Invalid reg to interval mapping");
for (LiveInterval::const_vni_iterator I = LI.vni_begin(), E = LI.vni_end();
I!=E; ++I) {