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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/SystemZ/SystemZInstrInfo.cpp
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@@ -402,18 +402,6 @@ ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const {
return false;
}
bool SystemZInstrInfo::BlockHasNoFallThrough(const MachineBasicBlock &MBB)const{
if (MBB.empty()) return false;
switch (MBB.back().getOpcode()) {
case SystemZ::RET: // Return.
case SystemZ::JMP: // Uncond branch.
case SystemZ::JMPr: // Indirect branch.
return true;
default: return false;
}
}
bool SystemZInstrInfo::isUnpredicatedTerminator(const MachineInstr *MI) const {
const TargetInstrDesc &TID = MI->getDesc();
if (!TID.isTerminator()) return false;