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author | Devang Patel <dpatel@apple.com> | 2010-08-06 00:26:18 +0000 |
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committer | Devang Patel <dpatel@apple.com> | 2010-08-06 00:26:18 +0000 |
commit | 31defcf2349916ac759be33baaa4060703fd78df (patch) | |
tree | a0607eb43ffc3d7f221842871e47df0fc952b7c7 | |
parent | 1f74590e9d1b9cf0f1f81a156efea73f76546e05 (diff) | |
download | external_llvm-31defcf2349916ac759be33baaa4060703fd78df.zip external_llvm-31defcf2349916ac759be33baaa4060703fd78df.tar.gz external_llvm-31defcf2349916ac759be33baaa4060703fd78df.tar.bz2 |
While emitting DBG_VALUE for registers spilled at the end of a block do not use location of MBB->end(). If a block does not have terminator then incoming iterator points to end().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110411 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/CodeGen/RegAllocFast.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/CodeGen/RegAllocFast.cpp b/lib/CodeGen/RegAllocFast.cpp index 9567308..9dff74b 100644 --- a/lib/CodeGen/RegAllocFast.cpp +++ b/lib/CodeGen/RegAllocFast.cpp @@ -277,7 +277,14 @@ void RAFast::spillVirtReg(MachineBasicBlock::iterator MI, int64_t Offset = 0; if (DBG->getOperand(1).isImm()) Offset = DBG->getOperand(1).getImm(); - DebugLoc DL = MI->getDebugLoc(); + DebugLoc DL; + if (MI == MBB->end()) { + // If MI is at basic block end then use last instruction's location. + MachineBasicBlock::iterator EI = MI; + DL = (--EI)->getDebugLoc(); + } + else + DL = MI->getDebugLoc(); if (MachineInstr *NewDV = TII->emitFrameIndexDebugValue(*MF, FI, Offset, MDPtr, DL)) { MachineBasicBlock *MBB = DBG->getParent(); |