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XCore target: remove incorrect DebugLoc entries from prologue

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Summary: This was causing the prologue_end to be incorrectly positioned.

Differential Revision: http://reviews.llvm.org/D4122

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212318 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Robert Lytton
2014-07-04 06:38:22 +00:00
parent f8be6fbe82
commit 546cfbfd0a
3 changed files with 49 additions and 5 deletions
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lib/Target/XCore/XCoreFrameLowering.cpp
+4 -2
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@@ -228,7 +228,9 @@ void XCoreFrameLowering::emitPrologue(MachineFunction &MF) const {
const XCoreInstrInfo &TII =
*static_cast<const XCoreInstrInfo*>(MF.getTarget().getInstrInfo());
XCoreFunctionInfo *XFI = MF.getInfo<XCoreFunctionInfo>();
DebugLoc dl = MBBI != MBB.end() ? MBBI->getDebugLoc() : DebugLoc();
// Debug location must be unknown since the first debug location is used
// to determine the end of the prologue.
DebugLoc dl;
if (MFI->getMaxAlignment() > getStackAlignment())
report_fatal_error("emitPrologue unsupported alignment: "
@@ -416,7 +418,7 @@ spillCalleeSavedRegisters(MachineBasicBlock &MBB,
bool emitFrameMoves = XCoreRegisterInfo::needsFrameMoves(*MF);
DebugLoc DL;
if (MI != MBB.end())
if (MI != MBB.end() && !MI->isDebugValue())
DL = MI->getDebugLoc();
for (std::vector<CalleeSavedInfo>::const_iterator it = CSI.begin();