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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/Alpha/AlphaInstrInfo.cpp
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@ -392,18 +392,6 @@ void AlphaInstrInfo::insertNoop(MachineBasicBlock &MBB,
.addReg(Alpha::R31);
}
bool AlphaInstrInfo::BlockHasNoFallThrough(const MachineBasicBlock &MBB) const {
if (MBB.empty()) return false;
switch (MBB.back().getOpcode()) {
case Alpha::RETDAG: // Return.
case Alpha::RETDAGp:
case Alpha::BR: // Uncond branch.
case Alpha::JMP: // Indirect branch.
return true;
default: return false;
}
}
bool AlphaInstrInfo::
ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const {
assert(Cond.size() == 2 && "Invalid Alpha branch opcode!");