6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-02-22 13:29:44 +00:00
Code Issues Projects Releases Wiki Activity

clean this up.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97870 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-03-06 07:02:28 +00:00
parent 0a7f442314
commit eea3f7e4ee
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp
View File

@ -204,9 +204,10 @@ bool SparcAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
/// isBlockOnlyReachableByFallthough - Return true if the basic block has /// isBlockOnlyReachableByFallthough - Return true if the basic block has
/// exactly one predecessor and the control transfer mechanism between /// exactly one predecessor and the control transfer mechanism between
/// the predecessor and this block is a fall-through. /// the predecessor and this block is a fall-through.
/// Override AsmPrinter implementation to handle delay slots ///
bool SparcAsmPrinter::isBlockOnlyReachableByFallthrough(const MachineBasicBlock *MBB) /// This overrides AsmPrinter's implementation to handle delay slots.
const { bool SparcAsmPrinter::
isBlockOnlyReachableByFallthrough(const MachineBasicBlock *MBB) const {
// If this is a landing pad, it isn't a fall through. If it has no preds, // If this is a landing pad, it isn't a fall through. If it has no preds,
// then nothing falls through to it. // then nothing falls through to it.
if (MBB->isLandingPad() || MBB->pred_empty()) if (MBB->isLandingPad() || MBB->pred_empty())
@ -224,10 +225,10 @@ bool SparcAsmPrinter::isBlockOnlyReachableByFallthrough(const MachineBasicBlock
if (!Pred->isLayoutSuccessor(MBB)) if (!Pred->isLayoutSuccessor(MBB))
return false; return false;
// Check if the last terminator is an unconditional branch // Check if the last terminator is an unconditional branch.
MachineBasicBlock::const_iterator I = Pred->end(); MachineBasicBlock::const_iterator I = Pred->end();
while( I != Pred->begin() && !(--I)->getDesc().isTerminator() ) while (I != Pred->begin() && !(--I)->getDesc().isTerminator())
; /* Noop */ ; // Noop
return I == Pred->end() || !I->getDesc().isBarrier(); return I == Pred->end() || !I->getDesc().isBarrier();
} }