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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-01-11 22:11:16 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-01-11 22:11:16 +0000 |
| commit | 803f48bcd11206cc4a7d6b6aba2a710bc57c8e5e (patch) | |
| tree | afbd0ace880519c22977b292e6c497c5da2ad798 /llvm/lib/CodeGen/LiveDebugVariables.cpp | |
| parent | e45d68589537e6d2ce377de97445f6c7a789e29a (diff) | |
| download | bcm5719-llvm-803f48bcd11206cc4a7d6b6aba2a710bc57c8e5e.tar.gz bcm5719-llvm-803f48bcd11206cc4a7d6b6aba2a710bc57c8e5e.zip | |
Don't insert DBG_VALUE instructions after the first terminator.
For one, MachineBasicBlock::getFirstTerminator() doesn't understand what is
happening, and it also makes sense to have all control flow run through the
DBG_VALUE.
llvm-svn: 123277
Diffstat (limited to 'llvm/lib/CodeGen/LiveDebugVariables.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/LiveDebugVariables.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/LiveDebugVariables.cpp b/llvm/lib/CodeGen/LiveDebugVariables.cpp index da4b017cdca..9a67a630b54 100644 --- a/llvm/lib/CodeGen/LiveDebugVariables.cpp +++ b/llvm/lib/CodeGen/LiveDebugVariables.cpp @@ -587,6 +587,13 @@ findInsertLocation(MachineBasicBlock *MBB, SlotIndex Idx, DebugLoc &DL, SlotIndex Start = LIS.getMBBStartIdx(MBB); Idx = Idx.getBaseIndex(); + // Don't insert anything after the first terminator. + MachineBasicBlock::iterator Term = MBB->getFirstTerminator(); + if (Term != MBB->end() && Idx >= LIS.getInstructionIndex(Term)) { + DL = Term->getDebugLoc(); + return Term; + } + // Try to find an insert location by going backwards from Idx. MachineInstr *MI; while (!(MI = LIS.getInstructionFromIndex(Idx))) { |
