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More fixes for corner cases when remapping live range indices.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54186 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2008-07-30 00:22:56 +00:00
parent b9fb8d1e69
commit 9382b9310f
1 changed files with 10 additions and 10 deletions
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20
lib/CodeGen/LiveIntervalAnalysis.cpp
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@ -156,14 +156,13 @@ void LiveIntervals::computeNumbering() {
// following instruction.
index = (LI->end - 1) / InstrSlots::NUM;
offset = LI->end % InstrSlots::NUM;
if (offset == InstrSlots::USE) {
if (offset == InstrSlots::LOAD) {
// VReg dies at end of block.
std::vector<IdxMBBPair>::const_iterator I =
std::lower_bound(OldI2MBB.begin(), OldI2MBB.end(), LI->end);
// Take the pair containing the index
std::vector<IdxMBBPair>::const_iterator J =
(I == OldI2MBB.end() && OldI2MBB.size()>0) ? (I-1): I;
--I;
LI->end = getMBBEndIdx(J->second) + 1;
LI->end = getMBBEndIdx(I->second) + 1;
} else {
unsigned idx = index;
while (index < OldI2MI.size() && !OldI2MI[index]) ++index;
@ -195,16 +194,17 @@ void LiveIntervals::computeNumbering() {
// Remap the VNInfo kill indices, which works the same as
// the end indices above.
for (size_t i = 0; i < vni->kills.size(); ++i) {
// PHI kills don't need to be remapped.
if (!vni->kills[i]) continue;
index = (vni->kills[i]-1) / InstrSlots::NUM;
offset = vni->kills[i] % InstrSlots::NUM;
if (offset == InstrSlots::USE) {
if (offset == InstrSlots::LOAD) {
std::vector<IdxMBBPair>::const_iterator I =
std::lower_bound(OldI2MBB.begin(), OldI2MBB.end(), vni->kills[i]);
// Take the pair containing the index
std::vector<IdxMBBPair>::const_iterator J =
(I == OldI2MBB.end() && OldI2MBB.size()>0) ? (I-1): I;
--I;
vni->kills[i] = getMBBEndIdx(J->second) + 1;
vni->kills[i] = getMBBEndIdx(I->second) + 1;
} else {
unsigned idx = index;
while (!OldI2MI[index]) ++index;