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Don't use a debug location for frame setup instructions in the

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prologue. Also skip frame setup instructions when looking for the
first location.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165052 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2012-10-02 21:17:00 +00:00
parent 138f206146
commit 9fd304672c
3 changed files with 39 additions and 5 deletions
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2
lib/Target/X86/X86FrameLowering.cpp
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@@ -836,8 +836,6 @@ void X86FrameLowering::emitPrologue(MachineFunction &MF) const {
MI->getOperand(3).setIsDead();
}
DL = MBB.findDebugLoc(MBBI);
// If there is an SUB32ri of ESP immediately before this instruction, merge
// the two. This can be the case when tail call elimination is enabled and
// the callee has more arguments then the caller.