[llvm-branch-commits] [clang] [llvm] release/19.x: Revert "demangle function names in trace files (#87626)" (PR #102552)
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Thu Aug 8 16:41:42 PDT 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-clang-driver
@llvm/pr-subscribers-llvm-ir
Author: None (llvmbot)
<details>
<summary>Changes</summary>
Backport 72b73e23b6c36537db730ebea00f92798108a6e5
Requested by: @<!-- -->MaskRay
---
Full diff: https://github.com/llvm/llvm-project/pull/102552.diff
5 Files Affected:
- (modified) clang/test/Driver/ftime-trace-sections.py (-11)
- (modified) llvm/lib/IR/LegacyPassManager.cpp (+1-3)
- (modified) llvm/lib/Passes/CMakeLists.txt (-1)
- (modified) llvm/lib/Passes/StandardInstrumentations.cpp (+4-5)
- (modified) utils/bazel/llvm-project-overlay/llvm/BUILD.bazel (-1)
``````````diff
diff --git a/clang/test/Driver/ftime-trace-sections.py b/clang/test/Driver/ftime-trace-sections.py
old mode 100755
new mode 100644
index b332931d29a622..02afa4ac54eb7b
--- a/clang/test/Driver/ftime-trace-sections.py
+++ b/clang/test/Driver/ftime-trace-sections.py
@@ -19,10 +19,7 @@ def is_before(range1, range2):
log_contents = json.loads(sys.stdin.read())
events = log_contents["traceEvents"]
-
-instants = [event for event in events if event["name"] == "InstantiateFunction"]
codegens = [event for event in events if event["name"] == "CodeGen Function"]
-opts = [event for event in events if event["name"] == "OptFunction"]
frontends = [event for event in events if event["name"] == "Frontend"]
backends = [event for event in events if event["name"] == "Backend"]
@@ -51,11 +48,3 @@ def is_before(range1, range2):
]
):
sys.exit("Not all Frontend section are before all Backend sections!")
-
-# Check that entries for foo exist and are in a demangled form.
-if not any(e for e in instants if "foo<int>" in e["args"]["detail"]):
- sys.exit("Missing Instantiate entry for foo!")
-if not any(e for e in codegens if "foo<int>" in e["args"]["detail"]):
- sys.exit("Missing CodeGen entry for foo!")
-if not any(e for e in opts if "foo<int>" in e["args"]["detail"]):
- sys.exit("Missing Optimize entry for foo!")
diff --git a/llvm/lib/IR/LegacyPassManager.cpp b/llvm/lib/IR/LegacyPassManager.cpp
index 9c44eff7953ac8..01aaedcf7d5473 100644
--- a/llvm/lib/IR/LegacyPassManager.cpp
+++ b/llvm/lib/IR/LegacyPassManager.cpp
@@ -12,7 +12,6 @@
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/ADT/MapVector.h"
-#include "llvm/Demangle/Demangle.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/IR/LLVMContext.h"
@@ -1416,8 +1415,7 @@ bool FPPassManager::runOnFunction(Function &F) {
// Store name outside of loop to avoid redundant calls.
const StringRef Name = F.getName();
- llvm::TimeTraceScope FunctionScope(
- "OptFunction", [&F]() { return demangle(F.getName().str()); });
+ llvm::TimeTraceScope FunctionScope("OptFunction", Name);
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
FunctionPass *FP = getContainedPass(Index);
diff --git a/llvm/lib/Passes/CMakeLists.txt b/llvm/lib/Passes/CMakeLists.txt
index b5224327d79216..6425f4934b2103 100644
--- a/llvm/lib/Passes/CMakeLists.txt
+++ b/llvm/lib/Passes/CMakeLists.txt
@@ -21,7 +21,6 @@ add_llvm_component_library(LLVMPasses
CodeGen
Core
Coroutines
- Demangle
HipStdPar
IPO
InstCombine
diff --git a/llvm/lib/Passes/StandardInstrumentations.cpp b/llvm/lib/Passes/StandardInstrumentations.cpp
index fc7b82d522bf0e..4eff2deef9abc5 100644
--- a/llvm/lib/Passes/StandardInstrumentations.cpp
+++ b/llvm/lib/Passes/StandardInstrumentations.cpp
@@ -23,7 +23,6 @@
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineVerifier.h"
-#include "llvm/Demangle/Demangle.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Module.h"
@@ -236,12 +235,12 @@ void printIR(raw_ostream &OS, const MachineFunction *MF) {
MF->print(OS);
}
-std::string getIRName(Any IR, bool demangled = false) {
+std::string getIRName(Any IR) {
if (unwrapIR<Module>(IR))
return "[module]";
if (const auto *F = unwrapIR<Function>(IR))
- return demangled ? demangle(F->getName()) : F->getName().str();
+ return F->getName().str();
if (const auto *C = unwrapIR<LazyCallGraph::SCC>(IR))
return C->getName();
@@ -251,7 +250,7 @@ std::string getIRName(Any IR, bool demangled = false) {
L->getHeader()->getParent()->getName().str();
if (const auto *MF = unwrapIR<MachineFunction>(IR))
- return demangled ? demangle(MF->getName()) : MF->getName().str();
+ return MF->getName().str();
llvm_unreachable("Unknown wrapped IR type");
}
@@ -1589,7 +1588,7 @@ void TimeProfilingPassesHandler::registerCallbacks(
}
void TimeProfilingPassesHandler::runBeforePass(StringRef PassID, Any IR) {
- timeTraceProfilerBegin(PassID, getIRName(IR, true));
+ timeTraceProfilerBegin(PassID, getIRName(IR));
}
void TimeProfilingPassesHandler::runAfterPass() { timeTraceProfilerEnd(); }
diff --git a/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel b/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
index 4d443e809d55bd..4a59c16ba12fcc 100644
--- a/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
@@ -2653,7 +2653,6 @@ cc_library(
":CodeGen",
":Core",
":Coroutines",
- ":Demangle",
":HipStdPar",
":IPO",
":IRPrinter",
``````````
</details>
https://github.com/llvm/llvm-project/pull/102552
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