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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 | b08773749a42a8c68afca96360b6e361147779b4 (patch) | |
| tree | 81bffbd14905d9e8209655544fe8b47afa601761 /lib/CodeGen/LiveDebugVariables.cpp | |
| parent | b72d2a92b75daa9cbac7338aff0cd8ae04c2b4bd (diff) | |
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123277 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveDebugVariables.cpp')
| -rw-r--r-- | lib/CodeGen/LiveDebugVariables.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/CodeGen/LiveDebugVariables.cpp b/lib/CodeGen/LiveDebugVariables.cpp index da4b017cdc..9a67a630b5 100644 --- a/lib/CodeGen/LiveDebugVariables.cpp +++ b/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))) { |