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Fix a bug where we were implicitly assuming that there would be at least

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one terminator instruction in each basic block.

llvm-svn: 11714
This commit is contained in:
Chris Lattner 2004-02-22 19:08:15 +00:00
parent cc9a188e0a
commit 56a7886c8a
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/RegAllocLocal.cpp
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@ -160,7 +160,7 @@ namespace {
/// the virtual register slot specified by VirtReg. It then updates the RA
/// data structures to indicate the fact that PhysReg is now available.
///
void spillVirtReg(MachineBasicBlock &MBB, MachineInstr *MI,
void spillVirtReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
unsigned VirtReg, unsigned PhysReg);
/// spillPhysReg - This method spills the specified physical register into
@ -258,7 +258,7 @@ void RA::removePhysReg(unsigned PhysReg) {
/// virtual register slot specified by VirtReg. It then updates the RA data
/// structures to indicate the fact that PhysReg is now available.
///
void RA::spillVirtReg(MachineBasicBlock &MBB, MachineInstr *I,
void RA::spillVirtReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
unsigned VirtReg, unsigned PhysReg) {
assert(VirtReg && "Spilling a physical register is illegal!"
" Must not have appropriate kill for the register or use exists beyond"