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[BOLT][NFC] Log reversing splitting decision

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Expose log for testing purposes.

Reviewed By: #bolt, maksfb

Differential Revision: https://reviews.llvm.org/D144674
This commit is contained in:
Amir Ayupov
2023-02-27 15:26:14 -08:00
parent 1c286acfb8
commit c30ab9dcff
1 changed files with 6 additions and 4 deletions
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10
bolt/lib/Passes/SplitFunctions.cpp
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@@ -15,6 +15,7 @@
#include "bolt/Core/BinaryFunction.h"
#include "bolt/Core/FunctionLayout.h"
#include "bolt/Core/ParallelUtilities.h"
#include "bolt/Utils/CommandLineOpts.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Sequence.h"
#include "llvm/ADT/SmallVector.h"
@@ -410,10 +411,11 @@ void SplitFunctions::splitFunction(BinaryFunction &BF, SplitStrategy &S) {
<< ", 0x" << Twine::utohexstr(ColdSize) << ">\n");
if (alignTo(OriginalHotSize, opts::SplitAlignThreshold) <=
alignTo(HotSize, opts::SplitAlignThreshold) + opts::SplitThreshold) {
LLVM_DEBUG(dbgs() << "Reversing splitting of function " << BF << ":\n 0x"
<< Twine::utohexstr(HotSize) << ", 0x"
<< Twine::utohexstr(ColdSize) << " -> 0x"
<< Twine::utohexstr(OriginalHotSize) << '\n');
if (opts::Verbosity >= 2) {
outs() << "BOLT-INFO: Reversing splitting of function "
<< formatv("{0}:\n {1:x}, {2:x} -> {3:x}\n", BF, HotSize,
ColdSize, OriginalHotSize);
}
// Reverse the action of createEHTrampolines(). The trampolines will be
// placed immediately before the matching destination resulting in no