diff options
| author | Robert Lytton <robert@xmos.com> | 2014-07-04 06:38:22 +0000 |
|---|---|---|
| committer | Robert Lytton <robert@xmos.com> | 2014-07-04 06:38:22 +0000 |
| commit | 546cfbfd0a4ff0184b8ce4ea826dc1bc1df3c021 (patch) | |
| tree | 5d9d956c015dbf3777e23748ca05095d8c5e1159 /lib/Target/XCore/XCoreFrameLowering.cpp | |
| parent | f8be6fbe824b4bbc387d4df5849ff709f0093c20 (diff) | |
XCore target: remove incorrect DebugLoc entries from prologue
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
Diffstat (limited to 'lib/Target/XCore/XCoreFrameLowering.cpp')
| -rw-r--r-- | lib/Target/XCore/XCoreFrameLowering.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Target/XCore/XCoreFrameLowering.cpp b/lib/Target/XCore/XCoreFrameLowering.cpp index 5499aba351c..e6947369c2d 100644 --- a/lib/Target/XCore/XCoreFrameLowering.cpp +++ b/lib/Target/XCore/XCoreFrameLowering.cpp @@ -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(); |