summaryrefslogtreecommitdiffstats
path: root/llvm/lib/Target/XCore/XCoreFrameLowering.cpp
diff options
context:
space:
mode:
authorRobert Lytton <robert@xmos.com>2014-07-04 06:38:22 +0000
committerRobert Lytton <robert@xmos.com>2014-07-04 06:38:22 +0000
commit37d3fa7e36b166c5d54dbe9e616f8e2cd004e929 (patch)
tree3cf60f5d4d34abab50a5d3fc016a5c2a7edcaa8b /llvm/lib/Target/XCore/XCoreFrameLowering.cpp
parent859aff501b4273d7cec267ff3b65fcde96267936 (diff)
downloadbcm5719-llvm-37d3fa7e36b166c5d54dbe9e616f8e2cd004e929.tar.gz
bcm5719-llvm-37d3fa7e36b166c5d54dbe9e616f8e2cd004e929.zip
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 llvm-svn: 212318
Diffstat (limited to 'llvm/lib/Target/XCore/XCoreFrameLowering.cpp')
-rw-r--r--llvm/lib/Target/XCore/XCoreFrameLowering.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Target/XCore/XCoreFrameLowering.cpp b/llvm/lib/Target/XCore/XCoreFrameLowering.cpp
index 5499aba351c..e6947369c2d 100644
--- a/llvm/lib/Target/XCore/XCoreFrameLowering.cpp
+++ b/llvm/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();
OpenPOWER on IntegriCloud