[compiler-rt] 881f20e - Revert "[ctx_profile] Integration test (#92456)"

Aiden Grossman via llvm-commits llvm-commits at lists.llvm.org
Fri May 17 17:06:37 PDT 2024


Author: Aiden Grossman
Date: 2024-05-17T23:59:28Z
New Revision: 881f20e958e80bd30463fc57d2d3e891bcb8a571

URL: https://github.com/llvm/llvm-project/commit/881f20e958e80bd30463fc57d2d3e891bcb8a571
DIFF: https://github.com/llvm/llvm-project/commit/881f20e958e80bd30463fc57d2d3e891bcb8a571.diff

LOG: Revert "[ctx_profile] Integration test (#92456)"

This reverts commit 487d5af6482ea5f074c12d29d7e376d3fc697706.

This was causing failures on some buildbots.
https://lab.llvm.org/buildbot/#/builders/247/builds/18559

Added: 
    

Modified: 
    compiler-rt/lib/ctx_profile/CMakeLists.txt
    compiler-rt/test/ctx_profile/lit.cfg.py

Removed: 
    compiler-rt/test/ctx_profile/TestCases/generate-context.cpp


################################################################################
diff  --git a/compiler-rt/lib/ctx_profile/CMakeLists.txt b/compiler-rt/lib/ctx_profile/CMakeLists.txt
index ab7bf3241fd69..1fa70594b28a3 100644
--- a/compiler-rt/lib/ctx_profile/CMakeLists.txt
+++ b/compiler-rt/lib/ctx_profile/CMakeLists.txt
@@ -18,12 +18,3 @@ append_list_if(COMPILER_RT_HAS_NOSTDINCXX_FLAG -nostdinc++ EXTRA_FLAGS)
 if(COMPILER_RT_INCLUDE_TESTS)
   add_subdirectory(tests)
 endif()
-
-add_compiler_rt_runtime(clang_rt.ctx_profile
-  STATIC
-  ARCHS ${CTX_PROFILE_SUPPORTED_ARCH}
-  OBJECT_LIBS RTSanitizerCommon RTSanitizerCommonLibc
-  CFLAGS ${EXTRA_FLAGS}
-  SOURCES ${CTX_PROFILE_SOURCES}
-  ADDITIONAL_HEADERS ${CTX_PROFILE_HEADERS}
-  PARENT_TARGET ctx_profile)
\ No newline at end of file

diff  --git a/compiler-rt/test/ctx_profile/TestCases/generate-context.cpp b/compiler-rt/test/ctx_profile/TestCases/generate-context.cpp
deleted file mode 100644
index 981d6170091c5..0000000000000
--- a/compiler-rt/test/ctx_profile/TestCases/generate-context.cpp
+++ /dev/null
@@ -1,103 +0,0 @@
-// Simple integration test for contextual instrumentation
-//
-// Copy the header defining ContextNode.
-// RUN: mkdir -p %t_include
-// RUN: cp %llvm_src/include/llvm/ProfileData/CtxInstrContextNode.h %t_include/
-//
-// Compile with ctx instrumentation "on". We treat "theRoot" as callgraph root.
-// RUN: %clangxx %s -lclang_rt.ctx_profile -I%t_include -O2 -o %t.bin -mllvm -profile-context-root=theRoot
-//
-// Run the binary, and observe the profile fetch handler's output.
-// RUN: %t.bin | FileCheck %s
-
-#include "CtxInstrContextNode.h"
-#include <cstdio>
-#include <iostream>
-
-using namespace llvm::ctx_profile;
-extern "C" bool __llvm_ctx_profile_fetch(void *Data,
-                                         bool (*Writer)(void *,
-                                                        const ContextNode &));
-
-// avoid name mangling
-extern "C" {
-__attribute__((noinline)) void someFunction(int I) {
-  if (I % 2)
-    printf("check odd\n");
-  else
-    printf("check even\n");
-}
-
-// block inlining because the pre-inliner otherwise will inline this - it's
-// too small.
-__attribute__((noinline)) void theRoot() {
-  printf("check 1\n");
-  someFunction(1);
-#pragma nounroll
-  for (auto I = 0; I < 2; ++I) {
-    someFunction(I);
-  }
-}
-}
-
-// Make sure the program actually ran correctly.
-// CHECK: check 1
-// CHECK-NEXT: check odd
-// CHECK-NEXT: check even
-// CHECK-NEXT: check odd
-
-void printProfile(const ContextNode &Node, const std::string &Indent,
-                  const std::string &Increment) {
-  std::cout << Indent << "Guid: " << Node.guid() << std::endl;
-  std::cout << Indent << "Entries: " << Node.entrycount() << std::endl;
-  std::cout << Indent << Node.counters_size() << " counters and "
-            << Node.callsites_size() << " callsites" << std::endl;
-  std::cout << Indent << "Counter values: ";
-  for (uint32_t I = 0U; I < Node.counters_size(); ++I)
-    std::cout << Node.counters()[I] << " ";
-  std::cout << std::endl;
-  for (uint32_t I = 0U; I < Node.callsites_size(); ++I)
-    for (const auto *N = Node.subContexts()[I]; N; N = N->next()) {
-      std::cout << Indent << "At Index " << I << ":" << std::endl;
-      printProfile(*N, Indent + Increment, Increment);
-    }
-}
-
-// 8657661246551306189 is theRoot. We expect 2 callsites and 2 counters - one
-// for the entry basic block and one for the loop.
-// 6759619411192316602 is someFunction. We expect all context instances to show
-// the same nr of counters and callsites, but the counters will be 
diff erent.
-// The first context is for the first callsite with theRoot as parent, and the
-// second counter in someFunction will be 0 (we pass an odd nr, and the other
-// path gets instrumented).
-// The second context is in the loop. We expect 2 entries and each of the
-// branches would be taken once, so the second counter is 1.
-// CHECK-NEXT: Guid: 8657661246551306189
-// CHECK-NEXT: Entries: 1
-// CHECK-NEXT: 2 counters and 3 callsites
-// CHECK-NEXT: Counter values: 1 2
-// CHECK-NEXT: At Index 1:
-// CHECK-NEXT:   Guid: 6759619411192316602
-// CHECK-NEXT:   Entries: 1
-// CHECK-NEXT:   2 counters and 2 callsites
-// CHECK-NEXT:   Counter values: 1 0
-// CHECK-NEXT: At Index 2:
-// CHECK-NEXT:   Guid: 6759619411192316602
-// CHECK-NEXT:   Entries: 2
-// CHECK-NEXT:   2 counters and 2 callsites
-// CHECK-NEXT:   Counter values: 2 1
-
-bool profileWriter() {
-  return __llvm_ctx_profile_fetch(
-      nullptr, +[](void *, const ContextNode &Node) {
-        printProfile(Node, "", "  ");
-        return true;
-      });
-}
-
-int main(int argc, char **argv) {
-  theRoot();
-  // This would be implemented in a specific RPC handler, but here we just call
-  // it directly.
-  return !profileWriter();
-}

diff  --git a/compiler-rt/test/ctx_profile/lit.cfg.py b/compiler-rt/test/ctx_profile/lit.cfg.py
index 520552974f76a..a56dabb8ebeb3 100644
--- a/compiler-rt/test/ctx_profile/lit.cfg.py
+++ b/compiler-rt/test/ctx_profile/lit.cfg.py
@@ -29,7 +29,3 @@ def get_required_attr(config, attr_name):
 config.test_source_root = os.path.dirname(__file__)
 # Default test suffixes.
 config.suffixes = [".c", ".cpp", ".test"]
-
-config.substitutions.append(
-    ("%clangxx ", " ".join([config.clang] + config.cxx_mode_flags) + " ")
-)


        


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