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llvm-svn: 100610
This commit is contained in:
Evan Cheng 2010-04-07 06:00:33 +00:00
parent eb32efa3b6
commit 0f71b51991
1 changed files with 4 additions and 1 deletions
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5
lib/CodeGen/MachineLICM.cpp
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@ -247,6 +247,8 @@ void MachineLICM::HoistRegionPostRA(MachineDomTreeNode *N) {
if (!CurLoop->contains(BB))
continue;
// Conservatively treat live-in's as an external def.
// FIXME: That means a reload that's reused into a fallthrough block
// will not be LICM'ed.
for (MachineBasicBlock::const_livein_iterator I = BB->livein_begin(),
E = BB->livein_end(); I != E; ++I) {
unsigned Reg = *I;
@ -282,7 +284,8 @@ void MachineLICM::HoistRegionPostRA(MachineDomTreeNode *N) {
}
}
// FIXME: Only consider reloads for now.
// FIXME: Only consider reloads for now. We should be able to handle
// remat which does not have register operands.
bool SkipCheck = false;
int FI;
if (SeenDef && !RuledOut) {