diff options
| author | Bill Wendling <isanbard@gmail.com> | 2009-02-21 01:11:36 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2009-02-21 01:11:36 +0000 |
| commit | 5a45d76c25d859c526fcdcdec3f07c97fec07d6b (patch) | |
| tree | 4908cfccdb6d3f95d85a38d4436480f5983bcb3a | |
| parent | 67a2743b6ba03c473f89577d04c8141150b1f1c2 (diff) | |
Make sure this doesn't access .end() too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65213 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp index f4ada35e5f..16662b0516 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/lib/Target/X86/X86RegisterInfo.cpp @@ -542,7 +542,8 @@ void emitSPUpdate(MachineBasicBlock &MBB, MachineBasicBlock::iterator &MBBI, (Is64Bit ? X86::ADD64ri8 : X86::ADD32ri8) : (Is64Bit ? X86::ADD64ri32 : X86::ADD32ri)); uint64_t Chunk = (1LL << 31) - 1; - DebugLoc DL = MBBI->getDebugLoc(); + DebugLoc DL = (MBBI != MBB.end() ? MBBI->getDebugLoc() : + DebugLoc::getUnknownLoc()); while (Offset) { uint64_t ThisVal = (Offset > Chunk) ? Chunk : Offset; @@ -728,8 +729,8 @@ void X86RegisterInfo::emitPrologue(MachineFunction &MF) const { bool needsFrameMoves = (MMI && MMI->hasDebugInfo()) || !Fn->doesNotThrow() || UnwindTablesMandatory; - DebugLoc DL = (MBBI != MBB.end()) ? MBBI->getDebugLoc() : - DebugLoc::getUnknownLoc(); + DebugLoc DL = (MBBI != MBB.end() ? MBBI->getDebugLoc() : + DebugLoc::getUnknownLoc()); // Prepare for frame info. unsigned FrameLabelId = 0; |