r203072 - PGO: don't emit counter increment if no counters have been allocated.
Bob Wilson
bob.wilson at apple.com
Wed Mar 5 20:55:28 PST 2014
Author: bwilson
Date: Wed Mar 5 22:55:28 2014
New Revision: 203072
URL: http://llvm.org/viewvc/llvm-project?rev=203072&view=rev
Log:
PGO: don't emit counter increment if no counters have been allocated.
I hit this while debugging another issue where my sources were in an
inconsistent state, so I don't have a testcase. Regardless, this check is
simpler and more direct than checking if the option is enabled.
Modified:
cfe/trunk/lib/CodeGen/CodeGenPGO.cpp
Modified: cfe/trunk/lib/CodeGen/CodeGenPGO.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenPGO.cpp?rev=203072&r1=203071&r2=203072&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenPGO.cpp (original)
+++ cfe/trunk/lib/CodeGen/CodeGenPGO.cpp Wed Mar 5 22:55:28 2014
@@ -772,7 +772,7 @@ void CodeGenPGO::emitCounterVariables()
}
void CodeGenPGO::emitCounterIncrement(CGBuilderTy &Builder, unsigned Counter) {
- if (!CGM.getCodeGenOpts().ProfileInstrGenerate)
+ if (!RegionCounters)
return;
llvm::Value *Addr =
Builder.CreateConstInBoundsGEP2_64(RegionCounters, 0, Counter);
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