[compiler-rt] [llvm] [ctxprof] Make ContextRoot an implementation detail (PR #131416)
Mircea Trofin via llvm-commits
llvm-commits at lists.llvm.org
Fri Mar 14 22:32:22 PDT 2025
https://github.com/mtrofin updated https://github.com/llvm/llvm-project/pull/131416
>From 94a272af37b771b22e9a2363655e3170dc5f36b7 Mon Sep 17 00:00:00 2001
From: Mircea Trofin <mtrofin at google.com>
Date: Thu, 13 Mar 2025 20:46:45 -0700
Subject: [PATCH] [ctxprof] Make ContextRoot an implementation detail
---
.../lib/ctx_profile/CtxInstrProfiling.cpp | 25 ++++++++--
.../lib/ctx_profile/CtxInstrProfiling.h | 26 +++++-----
.../tests/CtxInstrProfilingTest.cpp | 30 +++++------
.../Instrumentation/PGOCtxProfLowering.cpp | 50 +++++++------------
.../PGOProfile/ctx-instrumentation.ll | 34 ++++++-------
5 files changed, 88 insertions(+), 77 deletions(-)
diff --git a/compiler-rt/lib/ctx_profile/CtxInstrProfiling.cpp b/compiler-rt/lib/ctx_profile/CtxInstrProfiling.cpp
index 1c2cad1ca506e..6ef7076d93e31 100644
--- a/compiler-rt/lib/ctx_profile/CtxInstrProfiling.cpp
+++ b/compiler-rt/lib/ctx_profile/CtxInstrProfiling.cpp
@@ -336,10 +336,28 @@ void setupContext(ContextRoot *Root, GUID Guid, uint32_t NumCounters,
AllContextRoots.PushBack(Root);
}
+ContextRoot *FunctionData::getOrAllocateContextRoot() {
+ auto *Root = CtxRoot;
+ if (!Root) {
+ __sanitizer::GenericScopedLock<__sanitizer::StaticSpinMutex> L(&Mutex);
+ Root = CtxRoot;
+ if (!Root) {
+ Root =
+ new (__sanitizer::InternalAlloc(sizeof(ContextRoot))) ContextRoot();
+ CtxRoot = Root;
+ }
+ }
+ assert(Root);
+ return Root;
+}
+
ContextNode *__llvm_ctx_profile_start_context(
- ContextRoot *Root, GUID Guid, uint32_t Counters,
+ FunctionData *FData, GUID Guid, uint32_t Counters,
uint32_t Callsites) SANITIZER_NO_THREAD_SAFETY_ANALYSIS {
IsUnderContext = true;
+
+ auto *Root = FData->getOrAllocateContextRoot();
+
__sanitizer::atomic_fetch_add(&Root->TotalEntries, 1,
__sanitizer::memory_order_relaxed);
@@ -356,12 +374,13 @@ ContextNode *__llvm_ctx_profile_start_context(
return TheScratchContext;
}
-void __llvm_ctx_profile_release_context(ContextRoot *Root)
+void __llvm_ctx_profile_release_context(FunctionData *FData)
SANITIZER_NO_THREAD_SAFETY_ANALYSIS {
IsUnderContext = false;
if (__llvm_ctx_profile_current_context_root) {
__llvm_ctx_profile_current_context_root = nullptr;
- Root->Taken.Unlock();
+ assert(FData->CtxRoot);
+ FData->CtxRoot->Taken.Unlock();
}
}
diff --git a/compiler-rt/lib/ctx_profile/CtxInstrProfiling.h b/compiler-rt/lib/ctx_profile/CtxInstrProfiling.h
index 72cc60bf523e1..6bb954da950c4 100644
--- a/compiler-rt/lib/ctx_profile/CtxInstrProfiling.h
+++ b/compiler-rt/lib/ctx_profile/CtxInstrProfiling.h
@@ -84,7 +84,6 @@ struct ContextRoot {
// Count the number of entries - regardless if we could take the `Taken` mutex
::__sanitizer::atomic_uint64_t TotalEntries = {};
- // This is init-ed by the static zero initializer in LLVM.
// Taken is used to ensure only one thread traverses the contextual graph -
// either to read it or to write it. On server side, the same entrypoint will
// be entered by numerous threads, but over time, the profile aggregated by
@@ -109,12 +108,7 @@ struct ContextRoot {
// or with more concurrent collections (==more memory) and less collection
// time. Note that concurrent collection does happen for different
// entrypoints, regardless.
- ::__sanitizer::StaticSpinMutex Taken;
-
- // If (unlikely) StaticSpinMutex internals change, we need to modify the LLVM
- // instrumentation lowering side because it is responsible for allocating and
- // zero-initializing ContextRoots.
- static_assert(sizeof(Taken) == 1);
+ ::__sanitizer::SpinMutex Taken;
};
// This is allocated and zero-initialized by the compiler, the in-place
@@ -139,8 +133,16 @@ struct FunctionData {
FunctionData() { Mutex.Init(); }
FunctionData *Next = nullptr;
+ ContextRoot *volatile CtxRoot = nullptr;
ContextNode *volatile FlatCtx = nullptr;
+
+ ContextRoot *getOrAllocateContextRoot();
+
::__sanitizer::StaticSpinMutex Mutex;
+ // If (unlikely) StaticSpinMutex internals change, we need to modify the LLVM
+ // instrumentation lowering side because it is responsible for allocating and
+ // zero-initializing ContextRoots.
+ static_assert(sizeof(Mutex) == 1);
};
/// This API is exposed for testing. See the APIs below about the contract with
@@ -172,17 +174,17 @@ extern __thread __ctx_profile::ContextRoot
/// called by LLVM in the entry BB of a "entry point" function. The returned
/// pointer may be "tainted" - its LSB set to 1 - to indicate it's scratch.
-ContextNode *__llvm_ctx_profile_start_context(__ctx_profile::ContextRoot *Root,
- GUID Guid, uint32_t Counters,
- uint32_t Callsites);
+ContextNode *
+__llvm_ctx_profile_start_context(__ctx_profile::FunctionData *FData, GUID Guid,
+ uint32_t Counters, uint32_t Callsites);
/// paired with __llvm_ctx_profile_start_context, and called at the exit of the
/// entry point function.
-void __llvm_ctx_profile_release_context(__ctx_profile::ContextRoot *Root);
+void __llvm_ctx_profile_release_context(__ctx_profile::FunctionData *FData);
/// called for any other function than entry points, in the entry BB of such
/// function. Same consideration about LSB of returned value as .._start_context
-ContextNode *__llvm_ctx_profile_get_context(__ctx_profile::FunctionData *Data,
+ContextNode *__llvm_ctx_profile_get_context(__ctx_profile::FunctionData *FData,
void *Callee, GUID Guid,
uint32_t NumCounters,
uint32_t NumCallsites);
diff --git a/compiler-rt/lib/ctx_profile/tests/CtxInstrProfilingTest.cpp b/compiler-rt/lib/ctx_profile/tests/CtxInstrProfilingTest.cpp
index 62c7f53acec5f..ccb8f0e87fcdd 100644
--- a/compiler-rt/lib/ctx_profile/tests/CtxInstrProfilingTest.cpp
+++ b/compiler-rt/lib/ctx_profile/tests/CtxInstrProfilingTest.cpp
@@ -5,11 +5,11 @@
using namespace __ctx_profile;
class ContextTest : public ::testing::Test {
- void SetUp() override { memset(&Root, 0, sizeof(ContextRoot)); }
+ void SetUp() override { Root.getOrAllocateContextRoot(); }
void TearDown() override { __llvm_ctx_profile_free(); }
public:
- ContextRoot Root;
+ FunctionData Root;
};
TEST(ArenaTest, ZeroInit) {
@@ -43,19 +43,20 @@ TEST_F(ContextTest, Basic) {
__llvm_ctx_profile_start_collection();
auto *Ctx = __llvm_ctx_profile_start_context(&Root, 1, 10, 4);
ASSERT_NE(Ctx, nullptr);
- EXPECT_NE(Root.CurrentMem, nullptr);
- EXPECT_EQ(Root.FirstMemBlock, Root.CurrentMem);
+ auto &CtxRoot = *Root.CtxRoot;
+ EXPECT_NE(CtxRoot.CurrentMem, nullptr);
+ EXPECT_EQ(CtxRoot.FirstMemBlock, CtxRoot.CurrentMem);
EXPECT_EQ(Ctx->size(), sizeof(ContextNode) + 10 * sizeof(uint64_t) +
4 * sizeof(ContextNode *));
EXPECT_EQ(Ctx->counters_size(), 10U);
EXPECT_EQ(Ctx->callsites_size(), 4U);
- EXPECT_EQ(__llvm_ctx_profile_current_context_root, &Root);
- Root.Taken.CheckLocked();
- EXPECT_FALSE(Root.Taken.TryLock());
+ EXPECT_EQ(__llvm_ctx_profile_current_context_root, &CtxRoot);
+ CtxRoot.Taken.CheckLocked();
+ EXPECT_FALSE(CtxRoot.Taken.TryLock());
__llvm_ctx_profile_release_context(&Root);
EXPECT_EQ(__llvm_ctx_profile_current_context_root, nullptr);
- EXPECT_TRUE(Root.Taken.TryLock());
- Root.Taken.Unlock();
+ EXPECT_TRUE(CtxRoot.Taken.TryLock());
+ CtxRoot.Taken.Unlock();
}
TEST_F(ContextTest, Callsite) {
@@ -172,7 +173,8 @@ TEST_F(ContextTest, NeedMoreMemory) {
int FakeCalleeAddress = 0;
const bool IsScratch = isScratch(Ctx);
EXPECT_FALSE(IsScratch);
- const auto *CurrentMem = Root.CurrentMem;
+ auto &CtxRoot = *Root.CtxRoot;
+ const auto *CurrentMem = CtxRoot.CurrentMem;
__llvm_ctx_profile_expected_callee[0] = &FakeCalleeAddress;
__llvm_ctx_profile_callsite[0] = &Ctx->subContexts()[2];
FunctionData FData;
@@ -181,8 +183,8 @@ TEST_F(ContextTest, NeedMoreMemory) {
__llvm_ctx_profile_get_context(&FData, &FakeCalleeAddress, 3, 1 << 20, 1);
EXPECT_EQ(FData.FlatCtx, nullptr);
EXPECT_EQ(Ctx->subContexts()[2], Subctx);
- EXPECT_NE(CurrentMem, Root.CurrentMem);
- EXPECT_NE(Root.CurrentMem, nullptr);
+ EXPECT_NE(CurrentMem, CtxRoot.CurrentMem);
+ EXPECT_NE(CtxRoot.CurrentMem, nullptr);
}
TEST_F(ContextTest, ConcurrentRootCollection) {
@@ -277,7 +279,7 @@ TEST_F(ContextTest, Dump) {
void endFlatSection() override { ++ExitedFlatCount; }
};
- TestProfileWriter W(&Root, 1);
+ TestProfileWriter W(Root.CtxRoot, 1);
EXPECT_FALSE(W.State);
__llvm_ctx_profile_fetch(W);
EXPECT_TRUE(W.State);
@@ -289,7 +291,7 @@ TEST_F(ContextTest, Dump) {
(void)Flat;
EXPECT_NE(FData.FlatCtx, nullptr);
FData.FlatCtx->counters()[0] = 15U;
- TestProfileWriter W2(&Root, 0);
+ TestProfileWriter W2(Root.CtxRoot, 0);
EXPECT_FALSE(W2.State);
__llvm_ctx_profile_fetch(W2);
EXPECT_TRUE(W2.State);
diff --git a/llvm/lib/Transforms/Instrumentation/PGOCtxProfLowering.cpp b/llvm/lib/Transforms/Instrumentation/PGOCtxProfLowering.cpp
index 3c30dd61077e5..51532e57b72f5 100644
--- a/llvm/lib/Transforms/Instrumentation/PGOCtxProfLowering.cpp
+++ b/llvm/lib/Transforms/Instrumentation/PGOCtxProfLowering.cpp
@@ -53,10 +53,9 @@ class CtxInstrumentationLowerer final {
Module &M;
ModuleAnalysisManager &MAM;
Type *ContextNodeTy = nullptr;
- Type *ContextRootTy = nullptr;
Type *FunctionDataTy = nullptr;
- DenseMap<const Function *, Constant *> ContextRootMap;
+ DenseSet<const Function *> ContextRootSet;
Function *StartCtx = nullptr;
Function *GetCtx = nullptr;
Function *ReleaseCtx = nullptr;
@@ -114,18 +113,10 @@ CtxInstrumentationLowerer::CtxInstrumentationLowerer(Module &M,
auto *I32Ty = Type::getInt32Ty(M.getContext());
auto *I64Ty = Type::getInt64Ty(M.getContext());
- // The ContextRoot type
- ContextRootTy =
- StructType::get(M.getContext(), {
- PointerTy, /*FirstNode*/
- PointerTy, /*FirstMemBlock*/
- PointerTy, /*CurrentMem*/
- I64Ty, /*TotalEntries*/
- SanitizerMutexType, /*Taken*/
- });
FunctionDataTy =
StructType::get(M.getContext(), {
PointerTy, /*Next*/
+ PointerTy, /*CtxRoot*/
PointerTy, /*FlatCtx*/
SanitizerMutexType, /*Mutex*/
});
@@ -144,10 +135,7 @@ CtxInstrumentationLowerer::CtxInstrumentationLowerer(Module &M,
if (const auto *F = M.getFunction(Fname)) {
if (F->isDeclaration())
continue;
- auto *G = M.getOrInsertGlobal(Fname + "_ctx_root", ContextRootTy);
- cast<GlobalVariable>(G)->setInitializer(
- Constant::getNullValue(ContextRootTy));
- ContextRootMap.insert(std::make_pair(F, G));
+ ContextRootSet.insert(F);
for (const auto &BB : *F)
for (const auto &I : BB)
if (const auto *CB = dyn_cast<CallBase>(&I))
@@ -165,7 +153,7 @@ CtxInstrumentationLowerer::CtxInstrumentationLowerer(Module &M,
M.getOrInsertFunction(
CompilerRtAPINames::StartCtx,
FunctionType::get(PointerTy,
- {PointerTy, /*ContextRoot*/
+ {PointerTy, /*FunctionData*/
I64Ty, /*Guid*/ I32Ty,
/*NumCounters*/ I32Ty /*NumCallsites*/},
false))
@@ -184,7 +172,7 @@ CtxInstrumentationLowerer::CtxInstrumentationLowerer(Module &M,
M.getOrInsertFunction(CompilerRtAPINames::ReleaseCtx,
FunctionType::get(Type::getVoidTy(M.getContext()),
{
- PointerTy, /*ContextRoot*/
+ PointerTy, /*FunctionData*/
},
false))
.getCallee());
@@ -224,7 +212,7 @@ bool CtxInstrumentationLowerer::lowerFunction(Function &F) {
Value *RealContext = nullptr;
StructType *ThisContextType = nullptr;
- Value *TheRootContext = nullptr;
+ Value *TheRootFuctionData = nullptr;
Value *ExpectedCalleeTLSAddr = nullptr;
Value *CallsiteInfoTLSAddr = nullptr;
@@ -246,23 +234,23 @@ bool CtxInstrumentationLowerer::lowerFunction(Function &F) {
ArrayType::get(Builder.getPtrTy(), NumCallsites)});
// Figure out which way we obtain the context object for this function -
// if it's an entrypoint, then we call StartCtx, otherwise GetCtx. In the
- // former case, we also set TheRootContext since we need to release it
+ // former case, we also set TheRootFuctionData since we need to release it
// at the end (plus it can be used to know if we have an entrypoint or a
// regular function)
- auto Iter = ContextRootMap.find(&F);
- if (Iter != ContextRootMap.end()) {
- TheRootContext = Iter->second;
+ // Make up a compact name, these names end up taking up a lot of space
+ // in the binary.
+ auto *FData = new GlobalVariable(M, FunctionDataTy, false,
+ GlobalVariable::InternalLinkage,
+ Constant::getNullValue(FunctionDataTy));
+
+ if (ContextRootSet.contains(&F)) {
Context = Builder.CreateCall(
- StartCtx, {TheRootContext, Guid, Builder.getInt32(NumCounters),
+ StartCtx, {FData, Guid, Builder.getInt32(NumCounters),
Builder.getInt32(NumCallsites)});
+ TheRootFuctionData = FData;
ORE.emit(
[&] { return OptimizationRemark(DEBUG_TYPE, "Entrypoint", &F); });
} else {
- // Make up a compact name, these names end up taking up a lot of space
- // in the binary.
- auto *FData = new GlobalVariable(
- M, FunctionDataTy, false, GlobalVariable::InternalLinkage,
- Constant::getNullValue(FunctionDataTy));
Context = Builder.CreateCall(GetCtx, {FData, &F, Guid,
Builder.getInt32(NumCounters),
Builder.getInt32(NumCallsites)});
@@ -347,10 +335,10 @@ bool CtxInstrumentationLowerer::lowerFunction(Function &F) {
break;
}
I.eraseFromParent();
- } else if (TheRootContext && isa<ReturnInst>(I)) {
+ } else if (TheRootFuctionData && isa<ReturnInst>(I)) {
// Remember to release the context if we are an entrypoint.
IRBuilder<> Builder(&I);
- Builder.CreateCall(ReleaseCtx, {TheRootContext});
+ Builder.CreateCall(ReleaseCtx, {TheRootFuctionData});
ContextWasReleased = true;
}
}
@@ -359,7 +347,7 @@ bool CtxInstrumentationLowerer::lowerFunction(Function &F) {
// to disallow this, (so this then stays as an error), another is to detect
// that and then do a wrapper or disallow the tail call. This only affects
// instrumentation, when we want to detect the call graph.
- if (TheRootContext && !ContextWasReleased)
+ if (TheRootFuctionData && !ContextWasReleased)
F.getContext().emitError(
"[ctx_prof] An entrypoint was instrumented but it has no `ret` "
"instructions above which to release the context: " +
diff --git a/llvm/test/Transforms/PGOProfile/ctx-instrumentation.ll b/llvm/test/Transforms/PGOProfile/ctx-instrumentation.ll
index a7ac26a52e8cf..ed3cb0824c504 100644
--- a/llvm/test/Transforms/PGOProfile/ctx-instrumentation.ll
+++ b/llvm/test/Transforms/PGOProfile/ctx-instrumentation.ll
@@ -9,15 +9,15 @@
declare void @bar()
;.
-; LOWERING: @an_entrypoint_ctx_root = global { ptr, ptr, ptr, i64, i8 } zeroinitializer
-; LOWERING: @another_entrypoint_no_callees_ctx_root = global { ptr, ptr, ptr, i64, i8 } zeroinitializer
; LOWERING: @__llvm_ctx_profile_callsite = external hidden thread_local global ptr
; LOWERING: @__llvm_ctx_profile_expected_callee = external hidden thread_local global ptr
-; LOWERING: @[[GLOB0:[0-9]+]] = internal global { ptr, ptr, i8 } zeroinitializer
-; LOWERING: @[[GLOB1:[0-9]+]] = internal global { ptr, ptr, i8 } zeroinitializer
-; LOWERING: @[[GLOB2:[0-9]+]] = internal global { ptr, ptr, i8 } zeroinitializer
-; LOWERING: @[[GLOB3:[0-9]+]] = internal global { ptr, ptr, i8 } zeroinitializer
-; LOWERING: @[[GLOB4:[0-9]+]] = internal global { ptr, ptr, i8 } zeroinitializer
+; LOWERING: @[[GLOB0:[0-9]+]] = internal global { ptr, ptr, ptr, i8 } zeroinitializer
+; LOWERING: @[[GLOB1:[0-9]+]] = internal global { ptr, ptr, ptr, i8 } zeroinitializer
+; LOWERING: @[[GLOB2:[0-9]+]] = internal global { ptr, ptr, ptr, i8 } zeroinitializer
+; LOWERING: @[[GLOB3:[0-9]+]] = internal global { ptr, ptr, ptr, i8 } zeroinitializer
+; LOWERING: @[[GLOB4:[0-9]+]] = internal global { ptr, ptr, ptr, i8 } zeroinitializer
+; LOWERING: @[[GLOB5:[0-9]+]] = internal global { ptr, ptr, ptr, i8 } zeroinitializer
+; LOWERING: @[[GLOB6:[0-9]+]] = internal global { ptr, ptr, ptr, i8 } zeroinitializer
;.
define void @foo(i32 %a, ptr %fct) {
; INSTRUMENT-LABEL: define void @foo(
@@ -97,7 +97,7 @@ define void @an_entrypoint(i32 %a) {
;
; LOWERING-LABEL: define void @an_entrypoint(
; LOWERING-SAME: i32 [[A:%.*]]) !guid [[META1:![0-9]+]] {
-; LOWERING-NEXT: [[TMP1:%.*]] = call ptr @__llvm_ctx_profile_start_context(ptr @an_entrypoint_ctx_root, i64 4909520559318251808, i32 2, i32 1)
+; LOWERING-NEXT: [[TMP1:%.*]] = call ptr @__llvm_ctx_profile_start_context(ptr @[[GLOB1]], i64 4909520559318251808, i32 2, i32 1)
; LOWERING-NEXT: [[TMP2:%.*]] = ptrtoint ptr [[TMP1]] to i64
; LOWERING-NEXT: [[TMP3:%.*]] = and i64 [[TMP2]], 1
; LOWERING-NEXT: [[TMP4:%.*]] = call ptr @llvm.threadlocal.address.p0(ptr @__llvm_ctx_profile_expected_callee)
@@ -117,10 +117,10 @@ define void @an_entrypoint(i32 %a) {
; LOWERING-NEXT: [[TMP13:%.*]] = getelementptr { { i64, ptr, i32, i32 }, [2 x i64], [1 x ptr] }, ptr [[TMP1]], i32 0, i32 2, i32 0
; LOWERING-NEXT: store volatile ptr [[TMP13]], ptr [[TMP7]], align 8
; LOWERING-NEXT: call void @foo(i32 1, ptr null)
-; LOWERING-NEXT: call void @__llvm_ctx_profile_release_context(ptr @an_entrypoint_ctx_root)
+; LOWERING-NEXT: call void @__llvm_ctx_profile_release_context(ptr @[[GLOB1]])
; LOWERING-NEXT: ret void
; LOWERING: no:
-; LOWERING-NEXT: call void @__llvm_ctx_profile_release_context(ptr @an_entrypoint_ctx_root)
+; LOWERING-NEXT: call void @__llvm_ctx_profile_release_context(ptr @[[GLOB1]])
; LOWERING-NEXT: ret void
;
%t = icmp eq i32 %a, 0
@@ -147,7 +147,7 @@ define void @another_entrypoint_no_callees(i32 %a) {
;
; LOWERING-LABEL: define void @another_entrypoint_no_callees(
; LOWERING-SAME: i32 [[A:%.*]]) !guid [[META2:![0-9]+]] {
-; LOWERING-NEXT: [[TMP1:%.*]] = call ptr @__llvm_ctx_profile_start_context(ptr @another_entrypoint_no_callees_ctx_root, i64 -6371873725078000974, i32 2, i32 0)
+; LOWERING-NEXT: [[TMP1:%.*]] = call ptr @__llvm_ctx_profile_start_context(ptr @[[GLOB2]], i64 -6371873725078000974, i32 2, i32 0)
; LOWERING-NEXT: [[TMP2:%.*]] = ptrtoint ptr [[TMP1]] to i64
; LOWERING-NEXT: [[TMP3:%.*]] = and i64 [[TMP2]], -2
; LOWERING-NEXT: [[TMP4:%.*]] = inttoptr i64 [[TMP3]] to ptr
@@ -158,10 +158,10 @@ define void @another_entrypoint_no_callees(i32 %a) {
; LOWERING-NEXT: [[TMP6:%.*]] = load i64, ptr [[TMP5]], align 4
; LOWERING-NEXT: [[TMP7:%.*]] = add i64 [[TMP6]], 1
; LOWERING-NEXT: store i64 [[TMP7]], ptr [[TMP5]], align 4
-; LOWERING-NEXT: call void @__llvm_ctx_profile_release_context(ptr @another_entrypoint_no_callees_ctx_root)
+; LOWERING-NEXT: call void @__llvm_ctx_profile_release_context(ptr @[[GLOB2]])
; LOWERING-NEXT: ret void
; LOWERING: no:
-; LOWERING-NEXT: call void @__llvm_ctx_profile_release_context(ptr @another_entrypoint_no_callees_ctx_root)
+; LOWERING-NEXT: call void @__llvm_ctx_profile_release_context(ptr @[[GLOB2]])
; LOWERING-NEXT: ret void
;
%t = icmp eq i32 %a, 0
@@ -181,7 +181,7 @@ define void @simple(i32 %a) {
;
; LOWERING-LABEL: define void @simple(
; LOWERING-SAME: i32 [[A:%.*]]) !guid [[META3:![0-9]+]] {
-; LOWERING-NEXT: [[TMP1:%.*]] = call ptr @__llvm_ctx_profile_get_context(ptr @[[GLOB1]], ptr @simple, i64 -3006003237940970099, i32 1, i32 0)
+; LOWERING-NEXT: [[TMP1:%.*]] = call ptr @__llvm_ctx_profile_get_context(ptr @[[GLOB3]], ptr @simple, i64 -3006003237940970099, i32 1, i32 0)
; LOWERING-NEXT: [[TMP2:%.*]] = ptrtoint ptr [[TMP1]] to i64
; LOWERING-NEXT: [[TMP3:%.*]] = and i64 [[TMP2]], -2
; LOWERING-NEXT: [[TMP4:%.*]] = inttoptr i64 [[TMP3]] to ptr
@@ -205,7 +205,7 @@ define i32 @no_callsites(i32 %a) {
;
; LOWERING-LABEL: define i32 @no_callsites(
; LOWERING-SAME: i32 [[A:%.*]]) !guid [[META4:![0-9]+]] {
-; LOWERING-NEXT: [[TMP1:%.*]] = call ptr @__llvm_ctx_profile_get_context(ptr @[[GLOB2]], ptr @no_callsites, i64 5679753335911435902, i32 2, i32 0)
+; LOWERING-NEXT: [[TMP1:%.*]] = call ptr @__llvm_ctx_profile_get_context(ptr @[[GLOB4]], ptr @no_callsites, i64 5679753335911435902, i32 2, i32 0)
; LOWERING-NEXT: [[TMP2:%.*]] = ptrtoint ptr [[TMP1]] to i64
; LOWERING-NEXT: [[TMP3:%.*]] = and i64 [[TMP2]], -2
; LOWERING-NEXT: [[TMP4:%.*]] = inttoptr i64 [[TMP3]] to ptr
@@ -237,7 +237,7 @@ define void @no_counters() {
;
; LOWERING-LABEL: define void @no_counters(
; LOWERING-SAME: ) !guid [[META5:![0-9]+]] {
-; LOWERING-NEXT: [[TMP1:%.*]] = call ptr @__llvm_ctx_profile_get_context(ptr @[[GLOB3]], ptr @no_counters, i64 5458232184388660970, i32 1, i32 1)
+; LOWERING-NEXT: [[TMP1:%.*]] = call ptr @__llvm_ctx_profile_get_context(ptr @[[GLOB5]], ptr @no_counters, i64 5458232184388660970, i32 1, i32 1)
; LOWERING-NEXT: [[TMP2:%.*]] = ptrtoint ptr [[TMP1]] to i64
; LOWERING-NEXT: [[TMP3:%.*]] = and i64 [[TMP2]], 1
; LOWERING-NEXT: [[TMP4:%.*]] = call ptr @llvm.threadlocal.address.p0(ptr @__llvm_ctx_profile_expected_callee)
@@ -265,7 +265,7 @@ define void @inlineasm() {
;
; LOWERING-LABEL: define void @inlineasm(
; LOWERING-SAME: ) !guid [[META6:![0-9]+]] {
-; LOWERING-NEXT: [[TMP1:%.*]] = call ptr @__llvm_ctx_profile_get_context(ptr @[[GLOB4]], ptr @inlineasm, i64 -3771893999295659109, i32 1, i32 0)
+; LOWERING-NEXT: [[TMP1:%.*]] = call ptr @__llvm_ctx_profile_get_context(ptr @[[GLOB6]], ptr @inlineasm, i64 -3771893999295659109, i32 1, i32 0)
; LOWERING-NEXT: [[TMP2:%.*]] = ptrtoint ptr [[TMP1]] to i64
; LOWERING-NEXT: [[TMP3:%.*]] = and i64 [[TMP2]], -2
; LOWERING-NEXT: [[TMP4:%.*]] = inttoptr i64 [[TMP3]] to ptr
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