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authorRoman Divacky <rdivacky@FreeBSD.org>2010-03-03 17:27:15 +0000
committerRoman Divacky <rdivacky@FreeBSD.org>2010-03-03 17:27:15 +0000
commit67a71b3184ce20a901e874d0ee25e01397dd87ef (patch)
tree836a05cff50ca46176117b86029f061fa4db54f0 /lib/CodeGen/PrologEpilogInserter.cpp
parent6fe5c7aa327e188b7176daa5595bbf075a6b94df (diff)
Notes
Diffstat (limited to 'lib/CodeGen/PrologEpilogInserter.cpp')
-rw-r--r--lib/CodeGen/PrologEpilogInserter.cpp7
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/CodeGen/PrologEpilogInserter.cpp b/lib/CodeGen/PrologEpilogInserter.cpp
index 040259e15c52..138e7110306b 100644
--- a/lib/CodeGen/PrologEpilogInserter.cpp
+++ b/lib/CodeGen/PrologEpilogInserter.cpp
@@ -175,9 +175,10 @@ void PEI::calculateCallsInformation(MachineFunction &Fn) {
MachineBasicBlock::iterator I = *i;
// If call frames are not being included as part of the stack frame, and
- // there is no dynamic allocation (therefore referencing frame slots off
- // sp), leave the pseudo ops alone. We'll eliminate them later.
- if (RegInfo->hasReservedCallFrame(Fn) || RegInfo->hasFP(Fn))
+ // the target doesn't indicate otherwise, remove the call frame pseudos
+ // here. The sub/add sp instruction pairs are still inserted, but we don't
+ // need to track the SP adjustment for frame index elimination.
+ if (RegInfo->canSimplifyCallFramePseudos(Fn))
RegInfo->eliminateCallFramePseudoInstr(Fn, *I->getParent(), I);
}
}