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remove the verbose-asm "constant pool double" comments that we were printing

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for each constant pool entry.  Using WriteTypeSymbolic here takes time
proportional to the size of the module, for each constant pool entry.

This speeds up -verbose-asm llc on 252.eon (a random testcase at my disposal)
from 4.4s to 2.137s.  llc takes 2.11s with asm-verbose off, so this is now a
pretty reasonable cost for verbose comments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121691 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-12-13 07:35:47 +00:00
parent daa02ab70c
commit 11ae9e29a9
1 changed files with 0 additions and 8 deletions
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8
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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@ -920,14 +920,6 @@ void AsmPrinter::EmitConstantPool() {
const Type *Ty = CPE.getType();
Offset = NewOffset + TM.getTargetData()->getTypeAllocSize(Ty);
// Emit the label with a comment on it.
if (isVerbose()) {
OutStreamer.GetCommentOS() << "constant pool ";
WriteTypeSymbolic(OutStreamer.GetCommentOS(), CPE.getType(),
MF->getFunction()->getParent());
OutStreamer.GetCommentOS() << '\n';
}
OutStreamer.EmitLabel(GetCPISymbol(CPI));
if (CPE.isMachineConstantPoolEntry())