6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-22 10:24:26 +00:00
Code Issues Projects Releases Wiki Activity

Remove the target hook TargetInstrInfo::BlockHasNoFallThrough in favor of

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

20
lib/Target/XCore/XCoreInstrInfo.cpp
View File

@ -453,26 +453,6 @@ bool XCoreInstrInfo::restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
return true;
}
/// BlockHasNoFallThrough - Analyse if MachineBasicBlock does not
/// fall-through into its successor block.
bool XCoreInstrInfo::
BlockHasNoFallThrough(const MachineBasicBlock &MBB) const
{
if (MBB.empty()) return false;
switch (MBB.back().getOpcode()) {
case XCore::RETSP_u6: // Return.
case XCore::RETSP_lu6:
case XCore::BAU_1r: // Indirect branch.
case XCore::BRFU_u6: // Uncond branch.
case XCore::BRFU_lu6:
case XCore::BRBU_u6:
case XCore::BRBU_lu6:
return true;
default: return false;
}
}
/// ReverseBranchCondition - Return the inverse opcode of the
/// specified Branch instruction.
bool XCoreInstrInfo::

2
lib/Target/XCore/XCoreInstrInfo.h
View File

@ -87,8 +87,6 @@ public:
MachineBasicBlock::iterator MI,
const std::vector<CalleeSavedInfo> &CSI) const;
virtual bool BlockHasNoFallThrough(const MachineBasicBlock &MBB) const;
virtual bool ReverseBranchCondition(
SmallVectorImpl<MachineOperand> &Cond) const;
};