[llvm] b03c2b8 - Revert "Re-land: Add new hidden option -print-changed which only reports changes to IR"
Douglas Yung via llvm-commits
llvm-commits at lists.llvm.org
Thu Sep 17 01:33:39 PDT 2020
Author: Douglas Yung
Date: 2020-09-17T01:32:29-07:00
New Revision: b03c2b8395ba94fb53f1e73a6473faedf628bbd9
URL: https://github.com/llvm/llvm-project/commit/b03c2b8395ba94fb53f1e73a6473faedf628bbd9
DIFF: https://github.com/llvm/llvm-project/commit/b03c2b8395ba94fb53f1e73a6473faedf628bbd9.diff
LOG: Revert "Re-land: Add new hidden option -print-changed which only reports changes to IR"
The test added in this commit is failing on Windows bots:
http://lab.llvm.org:8011/builders/llvm-clang-win-x-armv7l/builds/1269
This reverts commit f9e6d1edc0dad9afb26e773aa125ed62c58f7080 and follow-up commit 6859d95ea2d0f3fe0de2923a3f642170e66a1a14.
Added:
Modified:
llvm/include/llvm/Passes/StandardInstrumentations.h
llvm/lib/IR/LegacyPassManager.cpp
llvm/lib/Passes/StandardInstrumentations.cpp
Removed:
llvm/test/Other/change-printer.ll
################################################################################
diff --git a/llvm/include/llvm/Passes/StandardInstrumentations.h b/llvm/include/llvm/Passes/StandardInstrumentations.h
index 8fc868bfa4c9..76e217c89974 100644
--- a/llvm/include/llvm/Passes/StandardInstrumentations.h
+++ b/llvm/include/llvm/Passes/StandardInstrumentations.h
@@ -124,97 +124,6 @@ class PreservedCFGCheckerInstrumentation {
void registerCallbacks(PassInstrumentationCallbacks &PIC);
};
-// Base class for classes that report changes to the IR.
-// It presents an interface for such classes and provides calls
-// on various events as the new pass manager transforms the IR.
-// It also provides filtering of information based on hidden options
-// specifying which functions are interesting.
-// Calls are made for the following events/queries:
-// 1. The initial IR processed.
-// 2. To get the representation of the IR (of type \p T).
-// 3. When a pass does not change the IR.
-// 4. When a pass changes the IR (given both before and after representations
-// of type \p T).
-// 5. When an IR is invalidated.
-// 6. When a pass is run on an IR that is not interesting (based on options).
-// 7. When a pass is ignored (pass manager or adapter pass).
-// 8. To compare two IR representations (of type \p T).
-template <typename IRUnitT> class ChangePrinter {
-protected:
- ChangePrinter() : InitialIR(true) {}
-
-public:
- virtual ~ChangePrinter();
-
- // Determine if this pass/IR is interesting and if so, save the IR
- // otherwise it is left on the stack without data
- void saveIRBeforePass(Any IR, StringRef PassID);
- // Compare the IR from before the pass after the pass.
- void handleIRAfterPass(Any IR, StringRef PassID);
- // Handle the situation where a pass is invalidated.
- void handleInvalidatedPass(StringRef PassID);
-
-protected:
- // called on the first IR processed
- virtual void handleInitialIR(Any IR) = 0;
- // called before and after a pass to get the representation of the IR
- virtual void generateIRRepresentation(Any IR, StringRef PassID,
- IRUnitT &Output) = 0;
- // called when the pass is not iteresting
- virtual void omitAfter(StringRef PassID, std::string &Name) = 0;
- // called when an interesting IR has changed
- virtual void handleAfter(StringRef PassID, std::string &Name,
- const IRUnitT &Before, const IRUnitT &After,
- Any) = 0;
- // called when an interesting pass is invalidated
- virtual void handleInvalidated(StringRef PassID) = 0;
- // called when the IR or pass is not interesting
- virtual void handleFiltered(StringRef PassID, std::string &Name) = 0;
- // called when an ignored pass is encountered
- virtual void handleIgnored(StringRef PassID, std::string &Name) = 0;
- // called to compare the before and after representations of the IR
- virtual bool same(const IRUnitT &Before, const IRUnitT &After) = 0;
-
- // stack of IRs before passes
- std::vector<IRUnitT> BeforeStack;
- // Is this the first IR seen?
- bool InitialIR;
-};
-
-// A change printer based on the string representation of the IR as created
-// by unwrapAndPrint. The string representation is stored in a std::string
-// to preserve it as the IR changes in each pass. Note that the banner is
-// included in this representation but it is massaged before reporting.
-class IRChangePrinter : public ChangePrinter<std::string> {
-public:
- IRChangePrinter();
- ~IRChangePrinter() override;
- void registerCallbacks(PassInstrumentationCallbacks &PIC);
-
-protected:
- // called on the first IR processed
- void handleInitialIR(Any IR) override;
- // called before and after a pass to get the representation of the IR
- void generateIRRepresentation(Any IR, StringRef PassID,
- std::string &Output) override;
- // called when the pass is not iteresting
- void omitAfter(StringRef PassID, std::string &Name) override;
- // called when an interesting IR has changed
- void handleAfter(StringRef PassID, std::string &Name,
- const std::string &Before, const std::string &After,
- Any) override;
- // called when an interesting pass is invalidated
- void handleInvalidated(StringRef PassID) override;
- // called when the IR or pass is not interesting
- void handleFiltered(StringRef PassID, std::string &Name) override;
- // called when an ignored pass is encountered
- void handleIgnored(StringRef PassID, std::string &Name) override;
- // called to compare the before and after representations of the IR
- bool same(const std::string &Before, const std::string &After) override;
-
- raw_ostream &Out;
-};
-
/// This class provides an interface to register all the standard pass
/// instrumentations and manages their state (if any).
class StandardInstrumentations {
@@ -223,7 +132,6 @@ class StandardInstrumentations {
TimePassesHandler TimePasses;
OptNoneInstrumentation OptNone;
PreservedCFGCheckerInstrumentation PreservedCFGChecker;
- IRChangePrinter PrintChangedIR;
public:
StandardInstrumentations(bool DebugLogging) : PrintPass(DebugLogging) {}
diff --git a/llvm/lib/IR/LegacyPassManager.cpp b/llvm/lib/IR/LegacyPassManager.cpp
index 63886f486170..8d9ed917bb61 100644
--- a/llvm/lib/IR/LegacyPassManager.cpp
+++ b/llvm/lib/IR/LegacyPassManager.cpp
@@ -87,14 +87,14 @@ static cl::opt<bool> PrintAfterAll("print-after-all",
static cl::opt<bool>
PrintModuleScope("print-module-scope",
cl::desc("When printing IR for print-[before|after]{-all} "
- "and change reporters always print a module IR"),
+ "always print a module IR"),
cl::init(false), cl::Hidden);
static cl::list<std::string>
PrintFuncsList("filter-print-funcs", cl::value_desc("function names"),
cl::desc("Only print IR for functions whose name "
"match this for all print-[before|after][-all] "
- "and change reporter options"),
+ "options"),
cl::CommaSeparated, cl::Hidden);
/// This is a helper to determine whether to print IR before or
diff --git a/llvm/lib/Passes/StandardInstrumentations.cpp b/llvm/lib/Passes/StandardInstrumentations.cpp
index e2cc19b34f3b..2ee373b912be 100644
--- a/llvm/lib/Passes/StandardInstrumentations.cpp
+++ b/llvm/lib/Passes/StandardInstrumentations.cpp
@@ -26,7 +26,6 @@
#include "llvm/Support/Debug.h"
#include "llvm/Support/FormatVariadic.h"
#include "llvm/Support/raw_ostream.h"
-#include <unordered_set>
#include <vector>
using namespace llvm;
@@ -52,34 +51,6 @@ static cl::opt<bool>
cl::desc("Print all pass management debugging information. "
"`-debug-pass-manager` must also be specified"));
-// A hidden option that prints out the IR after passes, similar to
-// -print-after-all except that it only prints the IR after passes that
-// change the IR. Those passes that do not make changes to the IR are
-// reported as not making any changes. In addition, the initial IR is
-// also reported. Other hidden options affect the output from this
-// option. -filter-passes will limit the output to the named passes
-// that actually change the IR and other passes are reported as filtered out.
-// The specified passes will either be reported as making no changes (with
-// no IR reported) or the changed IR will be reported. Also, the
-// -filter-print-funcs and -print-module-scope options will do similar
-// filtering based on function name, reporting changed IRs as functions(or
-// modules if -print-module-scope is specified) for a particular function
-// or indicating that the IR has been filtered out. The extra options
-// can be combined, allowing only changed IRs for certain passes on certain
-// functions to be reported in
diff erent formats, with the rest being
-// reported as filtered out.
-static cl::opt<bool> PrintChanged("print-changed",
- cl::desc("Print changed IRs"),
- cl::init(false), cl::Hidden);
-// A hidden option that supports the -print-changed option. See
-// the description for -print-changed for an explanation of the use
-// of this option. Note that this option has no effect without -print-changed.
-static cl::list<std::string>
- PrintPassesList("filter-passes", cl::value_desc("pass names"),
- cl::desc("Only consider IR changes for passes whose names "
- "match for the print-changed option"),
- cl::CommaSeparated, cl::Hidden);
-
namespace {
/// Extracting Module out of \p IR unit. Also fills a textual description
@@ -136,8 +107,7 @@ void printIR(raw_ostream &OS, const Function *F, StringRef Banner,
}
void printIR(raw_ostream &OS, const Module *M, StringRef Banner,
- StringRef Extra = StringRef(), bool Brief = false,
- bool ShouldPreserveUseListOrder = false) {
+ StringRef Extra = StringRef(), bool Brief = false) {
if (Brief) {
OS << M->getName() << '\n';
return;
@@ -145,7 +115,7 @@ void printIR(raw_ostream &OS, const Module *M, StringRef Banner,
if (llvm::isFunctionInPrintList("*") || llvm::forcePrintModuleIR()) {
OS << Banner << Extra << "\n";
- M->print(OS, nullptr, ShouldPreserveUseListOrder);
+ M->print(OS, nullptr, false);
} else {
for (const auto &F : M->functions()) {
printIR(OS, &F, Banner, Extra);
@@ -189,19 +159,17 @@ void printIR(raw_ostream &OS, const Loop *L, StringRef Banner,
/// Generic IR-printing helper that unpacks a pointer to IRUnit wrapped into
/// llvm::Any and does actual print job.
void unwrapAndPrint(raw_ostream &OS, Any IR, StringRef Banner,
- bool ForceModule = false, bool Brief = false,
- bool ShouldPreserveUseListOrder = false) {
+ bool ForceModule = false, bool Brief = false) {
if (ForceModule) {
if (auto UnwrappedModule = unwrapModule(IR))
- printIR(OS, UnwrappedModule->first, Banner, UnwrappedModule->second,
- Brief, ShouldPreserveUseListOrder);
+ printIR(OS, UnwrappedModule->first, Banner, UnwrappedModule->second);
return;
}
if (any_isa<const Module *>(IR)) {
const Module *M = any_cast<const Module *>(IR);
assert(M && "module should be valid for printing");
- printIR(OS, M, Banner, "", Brief, ShouldPreserveUseListOrder);
+ printIR(OS, M, Banner, "", Brief);
return;
}
@@ -229,193 +197,8 @@ void unwrapAndPrint(raw_ostream &OS, Any IR, StringRef Banner,
llvm_unreachable("Unknown wrapped IR type");
}
-// Return true when this is a pass for which changes should be ignored
-inline bool isIgnored(StringRef PassID) {
- return isSpecialPass(PassID,
- {"PassManager", "PassAdaptor", "AnalysisManagerProxy"});
-}
-
-// Return true when this is a defined function for which printing
-// of changes is desired.
-inline bool isInterestingFunction(const Function &F) {
- return llvm::isFunctionInPrintList(F.getName());
-}
-
-// Return true when this is a pass for which printing of changes is desired.
-inline bool isInterestingPass(StringRef PassID) {
- if (isIgnored(PassID))
- return false;
-
- static std::unordered_set<std::string> PrintPassNames(PrintPassesList.begin(),
- PrintPassesList.end());
- return PrintPassNames.empty() || PrintPassNames.count(PassID.str());
-}
-
-// Return true when this is a pass on IR for which printing
-// of changes is desired.
-bool isInteresting(Any IR, StringRef PassID) {
- if (!isInterestingPass(PassID))
- return false;
- if (any_isa<const Function *>(IR))
- return isInterestingFunction(*any_cast<const Function *>(IR));
- return true;
-}
-
} // namespace
-template <typename IRUnitT>
-void ChangePrinter<IRUnitT>::saveIRBeforePass(Any IR, StringRef PassID) {
- // Always need to place something on the stack because invalidated passes
- // are not given the IR so it cannot be determined whether the pass was for
- // something that was filtered out.
- BeforeStack.emplace_back();
-
- if (!isInteresting(IR, PassID))
- return;
- // Is this the initial IR?
- if (InitialIR) {
- InitialIR = false;
- handleInitialIR(IR);
- }
-
- // Save the IR representation on the stack.
- auto &Data = BeforeStack.back();
- generateIRRepresentation(IR, PassID, Data);
-}
-
-template <typename IRUnitT>
-void ChangePrinter<IRUnitT>::handleIRAfterPass(Any IR, StringRef PassID) {
- assert(!BeforeStack.empty() && "Unexpected empty stack encountered.");
- std::string Name;
-
- // unwrapModule has inconsistent handling of names for function IRs.
- if (any_isa<const Function *>(IR)) {
- const Function *F = any_cast<const Function *>(IR);
- Name = formatv(" (function: {0})", F->getName()).str();
- } else {
- if (auto UM = unwrapModule(IR))
- Name = UM->second;
- }
- if (Name == "")
- Name = " (module)";
-
- if (isIgnored(PassID))
- handleIgnored(PassID, Name);
- else if (!isInteresting(IR, PassID))
- handleFiltered(PassID, Name);
- else {
- // Get the before rep from the stack
- IRUnitT &Before = BeforeStack.back();
- // Create the after rep
- IRUnitT After;
- generateIRRepresentation(IR, PassID, After);
-
- // was there a change in IR?
- if (same(Before, After))
- omitAfter(PassID, Name);
- else
- handleAfter(PassID, Name, Before, After, IR);
- }
- BeforeStack.pop_back();
-}
-
-template <typename IRUnitT>
-void ChangePrinter<IRUnitT>::handleInvalidatedPass(StringRef PassID) {
- assert(!BeforeStack.empty() && "Unexpected empty stack encountered.");
-
- // Always flag it as invalidated as we cannot determine when
- // a pass for a filtered function is invalidated since we do not
- // get the IR in the call. Also, the output is just alternate
- // forms of the banner anyway.
- handleInvalidated(PassID);
- BeforeStack.pop_back();
-}
-
-template <typename IRUnitT> ChangePrinter<IRUnitT>::~ChangePrinter<IRUnitT>() {
- assert(BeforeStack.empty() && "Problem with Change Printer stack.");
-}
-
-IRChangePrinter::IRChangePrinter() : Out(dbgs()) {}
-
-IRChangePrinter::~IRChangePrinter() {
-}
-
-void IRChangePrinter::registerCallbacks(PassInstrumentationCallbacks &PIC) {
- if (!PrintChanged)
- return;
-
- PIC.registerBeforePassCallback([this](StringRef P, Any IR) {
- saveIRBeforePass(IR, P);
- return true;
- });
-
- PIC.registerAfterPassCallback(
- [this](StringRef P, Any IR, const PreservedAnalyses &) {
- handleIRAfterPass(IR, P);
- });
- PIC.registerAfterPassInvalidatedCallback(
- [this](StringRef P, const PreservedAnalyses &) {
- handleInvalidatedPass(P);
- });
-}
-
-void IRChangePrinter::handleInitialIR(Any IR) {
- StringRef Banner("*** IR Dump At Start: ***");
- unwrapAndPrint(Out, IR, Banner, true,
- /*Brief*/ false, /*ShouldPreserveUseListOrder*/ true);
-}
-
-void IRChangePrinter::generateIRRepresentation(Any IR, StringRef PassID,
- std::string &Output) {
- raw_string_ostream OS(Output);
- // use the after banner for all cases so it will match
- SmallString<20> Banner = formatv("*** IR Dump After {0} ***", PassID);
- unwrapAndPrint(OS, IR, Banner, llvm::forcePrintModuleIR(),
- /*Brief*/ false, /*ShouldPreserveUseListOrder*/ true);
- OS.str();
-}
-
-void IRChangePrinter::omitAfter(StringRef PassID, std::string &Name) {
- Out << formatv("*** IR Dump After {0}{1} omitted because no change ***\n",
- PassID, Name);
-}
-
-void IRChangePrinter::handleAfter(StringRef PassID, std::string &Name,
- const std::string &Before,
- const std::string &After, Any) {
- assert(After.find("*** IR Dump") == 0 && "Unexpected banner format.");
- StringRef AfterRef = After;
- StringRef Banner =
- AfterRef.take_until([](char C) -> bool { return C == '\n'; });
- Out << Banner;
-
- // LazyCallGraph::SCC already has "(scc:..." in banner so only add
- // in the name if it isn't already there.
- if (Name.substr(0, 6).compare(" (scc:") != 0 && !llvm::forcePrintModuleIR())
- Out << Name;
-
- Out << After.substr(Banner.size());
-}
-
-void IRChangePrinter::handleInvalidated(StringRef PassID) {
- Out << formatv("*** IR Pass {0} invalidated ***\n", PassID);
-}
-
-void IRChangePrinter::handleFiltered(StringRef PassID, std::string &Name) {
- SmallString<20> Banner =
- formatv("*** IR Dump After {0}{1} filtered out ***\n", PassID, Name);
- Out << Banner;
-}
-
-void IRChangePrinter::handleIgnored(StringRef PassID, std::string &Name) {
- Out << formatv("*** IR Pass {0}{1} ignored ***\n", PassID, Name);
-}
-
-bool IRChangePrinter::same(const std::string &Before,
- const std::string &After) {
- return Before.compare(After) == 0;
-}
-
PrintIRInstrumentation::~PrintIRInstrumentation() {
assert(ModuleDescStack.empty() && "ModuleDescStack is not empty at exit");
}
@@ -725,5 +508,4 @@ void StandardInstrumentations::registerCallbacks(
TimePasses.registerCallbacks(PIC);
OptNone.registerCallbacks(PIC);
PreservedCFGChecker.registerCallbacks(PIC);
- PrintChangedIR.registerCallbacks(PIC);
}
diff --git a/llvm/test/Other/change-printer.ll b/llvm/test/Other/change-printer.ll
deleted file mode 100644
index 54c941b29300..000000000000
--- a/llvm/test/Other/change-printer.ll
+++ /dev/null
@@ -1,109 +0,0 @@
-; Simple checks of -print-changed functionality
-;
-; Note that (mostly) only the banners are checked.
-;
-; Simple functionality check.
-; RUN: opt -S -print-changed -passes=instsimplify 2>&1 -o /dev/null < %s | FileCheck %s --check-prefix=CHECK_SIMPLE
-;
-; Check that only the passes that change the IR are printed and that the
-; others (including g) are filtered out.
-; RUN: opt -S -print-changed -passes=instsimplify -filter-print-funcs=f 2>&1 -o /dev/null < %s | FileCheck %s --check-prefix=CHECK_FUNC_FILTER
-;
-; Check that the reporting of IRs respects -print-module-scope
-; RUN: opt -S -print-changed -passes=instsimplify -print-module-scope 2>&1 -o /dev/null < %s | FileCheck %s --check-prefix=CHECK_PRINT_MOD_SCOPE
-;
-; Check that the reporting of IRs respects -print-module-scope
-; RUN: opt -S -print-changed -passes=instsimplify -filter-print-funcs=f -print-module-scope 2>&1 -o /dev/null < %s | FileCheck %s --check-prefix=CHECK_FUNC_FILTER_MOD_SCOPE
-;
-; Check that reporting of multiple functions happens
-; RUN: opt -S -print-changed -passes=instsimplify -filter-print-funcs="f,g" 2>&1 -o /dev/null < %s | FileCheck %s --check-prefix=CHECK_FILTER_MULT_FUNC
-;
-; Check that the reporting of IRs respects -filter-passes
-; RUN: opt -S -print-changed -passes="instsimplify,no-op-function" -filter-passes="NoOpFunctionPass" 2>&1 -o /dev/null < %s | FileCheck %s --check-prefix=CHECK_FILTER_PASSES
-;
-; Check that the reporting of IRs respects -filter-passes with multiple passes
-; RUN: opt -S -print-changed -passes="instsimplify,no-op-function" -filter-passes="NoOpFunctionPass,InstSimplifyPass" 2>&1 -o /dev/null < %s | FileCheck %s --check-prefix=CHECK_FILTER_MULT_PASSES
-;
-; Check that the reporting of IRs respects both -filter-passes and -filter-print-funcs
-; RUN: opt -S -print-changed -passes="instsimplify,no-op-function" -filter-passes="NoOpFunctionPass,InstSimplifyPass" -filter-print-funcs=f 2>&1 -o /dev/null < %s | FileCheck %s --check-prefix=CHECK_FILTER_FUNC_PASSES
-;
-; Check that the reporting of IRs respects -filter-passes, -filter-print-funcs and -print-module-scope
-; RUN: opt -S -print-changed -passes="instsimplify,no-op-function" -filter-passes="NoOpFunctionPass,InstSimplifyPass" -filter-print-funcs=f -print-module-scope 2>&1 -o /dev/null < %s | FileCheck %s --check-prefix=CHECK_FILTER_FUNC_PASSES_MOD_SCOPE
-;
-; Check that repeated passes that change the IR are printed and that the
-; others (including g) are filtered out. Note that the second time
-; instsimplify is run on f, it does not change the IR
-; RUN: opt -S -print-changed -passes="instsimplify,instsimplify" -filter-print-funcs=f 2>&1 -o /dev/null < %s | FileCheck %s --check-prefix=CHECK_MULT_PASSES_FILTER_FUNC
-
-define i32 @g() {
-entry:
- %a = add i32 2, 3
- ret i32 %a
-}
-
-define i32 @f() {
-entry:
- %a = add i32 2, 3
- ret i32 %a
-}
-
-; CHECK_SIMPLE: *** IR Dump At Start: ***
-; CHECK_SIMPLE: ; ModuleID = '<stdin>'
-; CHECK_SIMPLE: *** IR Dump After VerifierPass (module) omitted because no change ***
-; CHECK_SIMPLE: *** IR Dump After InstSimplifyPass *** (function: g)
-; CHECK_SIMPLE: *** IR Pass PassManager<llvm::Function> (function: g) ignored ***
-; CHECK_SIMPLE: *** IR Dump After InstSimplifyPass *** (function: f)
-; CHECK_SIMPLE: *** IR Pass PassManager<llvm::Function> (function: f) ignored ***
-; CHECK_SIMPLE: *** IR Pass ModuleToFunctionPassAdaptor<llvm::PassManager<llvm::Function>{{ ?}}> (module) ignored ***
-; CHECK_SIMPLE: *** IR Dump After VerifierPass (module) omitted because no change ***
-; CHECK_SIMPLE: *** IR Dump After PrintModulePass (module) omitted because no change ***
-
-; CHECK_FUNC_FILTER: *** IR Dump At Start: ***
-; CHECK_FUNC_FILTER: *** IR Dump After InstSimplifyPass (function: g) filtered out ***
-; CHECK_FUNC_FILTER: *** IR Dump After InstSimplifyPass *** (function: f)
-
-; CHECK_PRINT_MOD_SCOPE: *** IR Dump At Start: ***
-; CHECK_PRINT_MOD_SCOPE: *** IR Dump After InstSimplifyPass *** (function: g)
-; CHECK_PRINT_MOD_SCOPE: ModuleID = '<stdin>'
-; CHECK_PRINT_MOD_SCOPE: *** IR Dump After InstSimplifyPass *** (function: f)
-; CHECK_PRINT_MOD_SCOPE: ModuleID = '<stdin>'
-
-; CHECK_FUNC_FILTER_MOD_SCOPE: *** IR Dump At Start: ***
-; CHECK_FUNC_FILTER_MOD_SCOPE: *** IR Dump After InstSimplifyPass (function: g) filtered out ***
-; CHECK_FUNC_FILTER_MOD_SCOPE: *** IR Dump After InstSimplifyPass *** (function: f)
-; CHECK_FUNC_FILTER_MOD_SCOPE: ModuleID = '<stdin>'
-
-; CHECK_FILTER_MULT_FUNC: *** IR Dump At Start: ***
-; CHECK_FILTER_MULT_FUNC: *** IR Dump After InstSimplifyPass *** (function: g)
-; CHECK_FILTER_MULT_FUNC: *** IR Dump After InstSimplifyPass *** (function: f)
-
-; CHECK_FILTER_PASSES: *** IR Dump After InstSimplifyPass (function: g) filtered out ***
-; CHECK_FILTER_PASSES: *** IR Dump At Start: *** (function: g)
-; CHECK_FILTER_PASSES: *** IR Dump After NoOpFunctionPass (function: g) omitted because no change ***
-; CHECK_FILTER_PASSES: *** IR Dump After InstSimplifyPass (function: f) filtered out ***
-; CHECK_FILTER_PASSES: *** IR Dump After NoOpFunctionPass (function: f) omitted because no change ***
-
-; CHECK_FILTER_MULT_PASSES: *** IR Dump At Start: *** (function: g)
-; CHECK_FILTER_MULT_PASSES: *** IR Dump After InstSimplifyPass *** (function: g)
-; CHECK_FILTER_MULT_PASSES: *** IR Dump After NoOpFunctionPass (function: g) omitted because no change ***
-; CHECK_FILTER_MULT_PASSES: *** IR Dump After InstSimplifyPass *** (function: f)
-; CHECK_FILTER_MULT_PASSES: *** IR Dump After NoOpFunctionPass (function: f) omitted because no change ***
-
-; CHECK_FILTER_FUNC_PASSES: *** IR Dump After InstSimplifyPass (function: g) filtered out ***
-; CHECK_FILTER_FUNC_PASSES: *** IR Dump After NoOpFunctionPass (function: g) filtered out ***
-; CHECK_FILTER_FUNC_PASSES: *** IR Dump At Start: *** (function: f)
-; CHECK_FILTER_FUNC_PASSES: *** IR Dump After InstSimplifyPass *** (function: f)
-; CHECK_FILTER_FUNC_PASSES: *** IR Dump After NoOpFunctionPass (function: f) omitted because no change ***
-
-; CHECK_FILTER_FUNC_PASSES_MOD_SCOPE: *** IR Dump After InstSimplifyPass (function: g) filtered out ***
-; CHECK_FILTER_FUNC_PASSES_MOD_SCOPE: *** IR Dump After NoOpFunctionPass (function: g) filtered out ***
-; CHECK_FILTER_FUNC_PASSES_MOD_SCOPE: *** IR Dump At Start: *** (function: f)
-; CHECK_FILTER_FUNC_PASSES_MOD_SCOPE: *** IR Dump After InstSimplifyPass *** (function: f)
-; CHECK_FILTER_FUNC_PASSES_MOD_SCOPE: ModuleID = '<stdin>'
-; CHECK_FILTER_FUNC_PASSES_MOD_SCOPE: *** IR Dump After NoOpFunctionPass (function: f) omitted because no change ***
-
-; CHECK_MULT_PASSES_FILTER_FUNC: *** IR Dump At Start: ***
-; CHECK_MULT_PASSES_FILTER_FUNC: *** IR Dump After InstSimplifyPass (function: g) filtered out ***
-; CHECK_MULT_PASSES_FILTER_FUNC: *** IR Dump After InstSimplifyPass (function: g) filtered out ***
-; CHECK_MULT_PASSES_FILTER_FUNC: *** IR Dump After InstSimplifyPass *** (function: f)
-; CHECK_MULT_PASSES_FILTER_FUNC: *** IR Dump After InstSimplifyPass (function: f) omitted because no change ***
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