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don't repeat function names in comments; NFC

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llvm-svn: 256569
This commit is contained in:
Sanjay Patel 2015-12-29 18:14:06 +00:00
parent 6eaa03403d
commit 7eb7397ebc
1 changed files with 13 additions and 14 deletions
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27
lib/CodeGen/PeepholeOptimizer.cpp
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@ -400,11 +400,10 @@ INITIALIZE_PASS_DEPENDENCY(MachineDominatorTree)
INITIALIZE_PASS_END(PeepholeOptimizer, "peephole-opts",
"Peephole Optimizations", false, false)
/// optimizeExtInstr - If instruction is a copy-like instruction, i.e. it reads
/// a single register and writes a single register and it does not modify the
/// source, and if the source value is preserved as a sub-register of the
/// result, then replace all reachable uses of the source with the subreg of the
/// result.
/// If instruction is a copy-like instruction, i.e. it reads a single register
/// and writes a single register and it does not modify the source, and if the
/// source value is preserved as a sub-register of the result, then replace all
/// reachable uses of the source with the subreg of the result.
///
/// Do not generate an EXTRACT that is used only in a debug use, as this changes
/// the code. Since this code does not currently share EXTRACTs, just ignore all
@ -555,10 +554,10 @@ optimizeExtInstr(MachineInstr *MI, MachineBasicBlock *MBB,
return Changed;
}
/// optimizeCmpInstr - If the instruction is a compare and the previous
/// instruction it's comparing against all ready sets (or could be modified to
/// set) the same flag as the compare, then we can remove the comparison and use
/// the flag from the previous instruction.
/// If the instruction is a compare and the previous instruction it's comparing
/// against already sets (or could be modified to set) the same flag as the
/// compare, then we can remove the comparison and use the flag from the
/// previous instruction.
bool PeepholeOptimizer::optimizeCmpInstr(MachineInstr *MI,
MachineBasicBlock *MBB) {
// If this instruction is a comparison against zero and isn't comparing a
@ -1290,9 +1289,9 @@ bool PeepholeOptimizer::optimizeUncoalescableCopy(
return true;
}
/// isLoadFoldable - Check whether MI is a candidate for folding into a later
/// instruction. We only fold loads to virtual registers and the virtual
/// register defined has a single use.
/// Check whether MI is a candidate for folding into a later instruction.
/// We only fold loads to virtual registers and the virtual register defined
/// has a single use.
bool PeepholeOptimizer::isLoadFoldable(
MachineInstr *MI,
SmallSet<unsigned, 16> &FoldAsLoadDefCandidates) {
@ -1333,8 +1332,8 @@ bool PeepholeOptimizer::isMoveImmediate(MachineInstr *MI,
return false;
}
/// foldImmediate - Try folding register operands that are defined by move
/// immediate instructions, i.e. a trivial constant folding optimization, if
/// Try folding register operands that are defined by move immediate
/// instructions, i.e. a trivial constant folding optimization, if
/// and only if the def and use are in the same BB.
bool PeepholeOptimizer::foldImmediate(MachineInstr *MI, MachineBasicBlock *MBB,
SmallSet<unsigned, 4> &ImmDefRegs,