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Remove the target hook TargetInstrInfo::BlockHasNoFallThrough in favor of

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MachineBasicBlock::canFallThrough(), which is target-independent and more
thorough.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90634 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-12-05 00:44:40 +00:00
parent 735985fbbe
commit 864e2efce2
26 changed files with 1 additions and 211 deletions
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12
lib/Target/PowerPC/PPCInstrInfo.cpp
View File

@@ -740,18 +740,6 @@ bool PPCInstrInfo::canFoldMemoryOperand(const MachineInstr *MI,
}
bool PPCInstrInfo::BlockHasNoFallThrough(const MachineBasicBlock &MBB) const {
if (MBB.empty()) return false;
switch (MBB.back().getOpcode()) {
case PPC::BLR: // Return.
case PPC::B: // Uncond branch.
case PPC::BCTR: // Indirect branch.
return true;
default: return false;
}
}
bool PPCInstrInfo::
ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const {
assert(Cond.size() == 2 && "Invalid PPC branch opcode!");

1
lib/Target/PowerPC/PPCInstrInfo.h
View File

@@ -143,7 +143,6 @@ public:
virtual bool canFoldMemoryOperand(const MachineInstr *MI,
const SmallVectorImpl<unsigned> &Ops) const;
virtual bool BlockHasNoFallThrough(const MachineBasicBlock &MBB) const;
virtual
bool ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const;