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Make sure this doesn't access .end() too.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65213 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2009-02-21 01:11:36 +00:00
parent 67a2743b6b
commit 5a45d76c25
1 changed files with 4 additions and 3 deletions
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7
lib/Target/X86/X86RegisterInfo.cpp
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@ -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;