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CodeGen: Push the ModuleSlotTracker through MachineOperands

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Push `ModuleSlotTracker` through `MachineOperand`s, dropping the time
for `llc -print-machineinstrs` on the testcase in PR23865 from ~13
seconds to ~9 seconds.  Now `SlotTracker::processFunctionMetadata()`
accounts for only 8% of the runtime, which seems reasonable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240845 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2015-06-26 22:06:47 +00:00
parent 982139fde2
commit a08efbfc8e
6 changed files with 63 additions and 37 deletions
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2
lib/CodeGen/MachineBasicBlock.cpp
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@ -305,7 +305,7 @@ void MachineBasicBlock::print(raw_ostream &OS, ModuleSlotTracker &MST,
OS << '\t';
if (I->isInsideBundle())
OS << " * ";
I->print(OS);
I->print(OS, MST);
}
// Print the successors of this block according to the CFG.