[compiler-rt][ctx_instr] Add ctx_profile component

[mtrofin]

Add the component structure for contextual instrumented PGO and the bump allocator + test.

(Tracking Issue: #89287, RFC referenced there)

[github-actions]

✅ With the latest revision this PR passed the C/C++ code formatter.

[vitalybuka]

-  static void freeArenaList(Arena*& A);
+  static void freeArenaList(Arena *&A);
 
   uint64_t size() const { return Size; }
 
@@ -51,5 +51,5 @@ private:
   const uint64_t Size;
 };
 
-}
+} // namespace __ctx_profile
 #endif // CTX_PROFILE_CTXINSTRPROFILING_H_
diff --git a/compiler-rt/lib/ctx_profile/tests/CtxInstrProfilingTest.cpp b/compiler-rt/lib/ctx_profile/tests/CtxInstrProfilingTest.cpp
index 1e7ddfadd8..44f[37](https://github.com/llvm/llvm-project/actions/runs/8744371029/job/23997070812?pr=89304#step:10:38)d2576 100644
--- a/compiler-rt/lib/ctx_profile/tests/CtxInstrProfilingTest.cpp
+++ b/compiler-rt/lib/ctx_profile/tests/CtxInstrProfilingTest.cpp
@@ -4,11 +4,11 @@
 using namespace __ctx_profile;
 
 TEST(ArenaTest, Basic) {
-  Arena * A = Arena::allocateNewArena(1024);
+  Arena *A = Arena::allocateNewArena(1024);
   EXPECT_EQ(A->size(), 1024U);
   EXPECT_EQ(A->next(), nullptr);
 
-  auto *M1 = A->tryBumpAllocate(1020); 
+  auto *M1 = A->tryBumpAllocate(1020);
   EXPECT_NE(M1, nullptr);
   auto *M2 = A->tryBumpAllocate(4);
   EXPECT_NE(M2, nullptr);

error: some formatters failed: clang-format

[mtrofin]

-  static void freeArenaList(Arena*& A);
+  static void freeArenaList(Arena *&A);
 
   uint64_t size() const { return Size; }
 
@@ -51,5 +51,5 @@ private:
   const uint64_t Size;
 };
 
-}
+} // namespace __ctx_profile
 #endif // CTX_PROFILE_CTXINSTRPROFILING_H_
diff --git a/compiler-rt/lib/ctx_profile/tests/CtxInstrProfilingTest.cpp b/compiler-rt/lib/ctx_profile/tests/CtxInstrProfilingTest.cpp
index 1e7ddfadd8..44f[37](https://github.com/llvm/llvm-project/actions/runs/8744371029/job/23997070812?pr=89304#step:10:38)d2576 100644
--- a/compiler-rt/lib/ctx_profile/tests/CtxInstrProfilingTest.cpp
+++ b/compiler-rt/lib/ctx_profile/tests/CtxInstrProfilingTest.cpp
@@ -4,11 +4,11 @@
 using namespace __ctx_profile;
 
 TEST(ArenaTest, Basic) {
-  Arena * A = Arena::allocateNewArena(1024);
+  Arena *A = Arena::allocateNewArena(1024);
   EXPECT_EQ(A->size(), 1024U);
   EXPECT_EQ(A->next(), nullptr);
 
-  auto *M1 = A->tryBumpAllocate(1020); 
+  auto *M1 = A->tryBumpAllocate(1020);
   EXPECT_NE(M1, nullptr);
   auto *M2 = A->tryBumpAllocate(4);
   EXPECT_NE(M2, nullptr);

error: some formatters failed: clang-format

Ugh, forgot that - fixed. Thanks!

[vitalybuka]

PGO000000?

[mtrofin]

0 and - are so close together :) thanks for noticing.

[arichardson]

It looks like the tests are using the wrong compiler, probably needs something similar to #88074

[mtrofin]

It looks like the tests are using the wrong compiler, probably needs something similar to #88074

Yup, fixed that in a3e7a12.