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[NFC][EntryExitInstrumenter] Mark Dominator Tree as preserved in legacy-PM too

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This is correctly handled in new-PM wrappers, but not in old-PM.
This commit is contained in:
Roman Lebedev 2021-01-29 00:45:04 +03:00
parent e11c57fcf5
commit 2121393e6e
1 changed files with 22 additions and 5 deletions
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27
lib/Transforms/Utils/EntryExitInstrumenter.cpp
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@ -9,6 +9,7 @@
#include "llvm/Transforms/Utils/EntryExitInstrumenter.h"
#include "llvm/Analysis/GlobalsModRef.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Intrinsics.h"
@ -17,6 +18,7 @@
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Transforms/Utils.h"
using namespace llvm;
static void insertCall(Function &CurFn, StringRef Func,
@ -123,6 +125,7 @@ struct EntryExitInstrumenter : public FunctionPass {
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addPreserved<GlobalsAAWrapperPass>();
AU.addPreserved<DominatorTreeWrapperPass>();
}
bool runOnFunction(Function &F) override { return ::runOnFunction(F, false); }
};
@ -136,20 +139,34 @@ struct PostInlineEntryExitInstrumenter : public FunctionPass {
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addPreserved<GlobalsAAWrapperPass>();
AU.addPreserved<DominatorTreeWrapperPass>();
}
bool runOnFunction(Function &F) override { return ::runOnFunction(F, true); }
};
char PostInlineEntryExitInstrumenter::ID = 0;
}
INITIALIZE_PASS(
INITIALIZE_PASS_BEGIN(
EntryExitInstrumenter, "ee-instrument",
"Instrument function entry/exit with calls to e.g. mcount() (pre inlining)",
false, false)
INITIALIZE_PASS(PostInlineEntryExitInstrumenter, "post-inline-ee-instrument",
"Instrument function entry/exit with calls to e.g. mcount() "
"(post inlining)",
false, false)
INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
INITIALIZE_PASS_END(
EntryExitInstrumenter, "ee-instrument",
"Instrument function entry/exit with calls to e.g. mcount() (pre inlining)",
false, false)
INITIALIZE_PASS_BEGIN(
PostInlineEntryExitInstrumenter, "post-inline-ee-instrument",
"Instrument function entry/exit with calls to e.g. mcount() "
"(post inlining)",
false, false)
INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
INITIALIZE_PASS_END(
PostInlineEntryExitInstrumenter, "post-inline-ee-instrument",
"Instrument function entry/exit with calls to e.g. mcount() "
"(post inlining)",
false, false)
FunctionPass *llvm::createEntryExitInstrumenterPass() {
return new EntryExitInstrumenter();