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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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16
lib/Target/Mips/MipsInstrInfo.cpp
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@@ -590,22 +590,6 @@ RemoveBranch(MachineBasicBlock &MBB) const
return 2;
}
/// BlockHasNoFallThrough - Analyze if MachineBasicBlock does not
/// fall-through into its successor block.
bool MipsInstrInfo::
BlockHasNoFallThrough(const MachineBasicBlock &MBB) const
{
if (MBB.empty()) return false;
switch (MBB.back().getOpcode()) {
case Mips::RET: // Return.
case Mips::JR: // Indirect branch.
case Mips::J: // Uncond branch.
return true;
default: return false;
}
}
/// ReverseBranchCondition - Return the inverse opcode of the
/// specified Branch instruction.
bool MipsInstrInfo::