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InstProfiling: Give the name to profc_bias. NFC. #95587

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Merged
merged 3 commits into from
Jun 19, 2024
Merged

InstProfiling: Give the name to profc_bias. NFC. #95587

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59a8113
InstProfiling: Give names to profc_bias and profc_addr. NFC.
chapuni Jun 14, 2024
212f705
Exlude "profc_addr" for now.
chapuni Jun 18, 2024
655da6a
Merge branch 'main' into mcdc/profc_name
chapuni Jun 18, 2024
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2 changes: 1 addition & 1 deletion llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -931,7 +931,7 @@ Value *InstrLowerer::getCounterAddress(InstrProfCntrInstBase *I) {
if (!BiasLI) {
IRBuilder<> EntryBuilder(&Fn->getEntryBlock().front());
auto *Bias = getOrCreateBiasVar(getInstrProfCounterBiasVarName());
BiasLI = EntryBuilder.CreateLoad(Int64Ty, Bias);
BiasLI = EntryBuilder.CreateLoad(Int64Ty, Bias, "profc_bias");
}
auto *Add = Builder.CreateAdd(Builder.CreatePtrToInt(Addr, Int64Ty), BiasLI);
return Builder.CreateIntToPtr(Add, Addr->getType());
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18 changes: 9 additions & 9 deletions llvm/test/Instrumentation/InstrProfiling/runtime-counter-relocation.ll
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Expand Up @@ -8,16 +8,16 @@ target triple = "x86_64-unknown-linux-gnu"
; RELOC: @__llvm_profile_counter_bias = linkonce_odr hidden global i64 0, comdat

; CHECK-LABEL: define void @foo
; CHECK-NEXT: %pgocount = load i64, ptr @__profc_foo
; CHECK-NEXT: %1 = add i64 %pgocount, 1
; CHECK-NEXT: store i64 %1, ptr @__profc_foo
; CHECK-NEXT: %[[PGOCOUNT:.+]] = load i64, ptr @__profc_foo
; CHECK-NEXT: %[[PGOCOUNTINC:.+]] = add i64 %[[PGOCOUNT]], 1
; CHECK-NEXT: store i64 %[[PGOCOUNTINC]], ptr @__profc_foo
; RELOC-LABEL: define void @foo
; RELOC-NEXT: %1 = load i64, ptr @__llvm_profile_counter_bias
; RELOC-NEXT: %2 = add i64 ptrtoint (ptr @__profc_foo to i64), %1
; RELOC-NEXT: %3 = inttoptr i64 %2 to ptr
; RELOC-NEXT: %pgocount = load i64, ptr %3
; RELOC-NEXT: %4 = add i64 %pgocount, 1
; RELOC-NEXT: store i64 %4, ptr %3
; RELOC-NEXT: %[[BIAS:.+]] = load i64, ptr @__llvm_profile_counter_bias
; RELOC-NEXT: %[[PROFC_BIAS:.+]] = add i64 ptrtoint (ptr @__profc_foo to i64), %[[BIAS]]
; RELOC-NEXT: %[[PROFC_ADDR:.+]] = inttoptr i64 %[[PROFC_BIAS]] to ptr
; RELOC-NEXT: %[[PGOCOUNT:.+]] = load i64, ptr %[[PROFC_ADDR]]
; RELOC-NEXT: %[[PGOCOUNTINC:.+]] = add i64 %[[PGOCOUNT]], 1
; RELOC-NEXT: store i64 %[[PGOCOUNTINC]], ptr %[[PROFC_ADDR]]
define void @foo() {
call void @llvm.instrprof.increment(ptr @__profn_foo, i64 0, i32 1, i32 0)
ret void
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2 changes: 1 addition & 1 deletion llvm/test/Transforms/PGOProfile/counter_promo_with_bias.ll
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Expand Up @@ -6,7 +6,7 @@ target triple = "x86_64-unknown-linux-gnu"

define void @foo(i1 %c) {
entry:
; CHECK: %[[BIAS:[0-9]+]] = load i64, ptr @__llvm_profile_counter_bias
; CHECK: %[[BIAS:.+]] = load i64, ptr @__llvm_profile_counter_bias
br label %while.cond

while.cond: ; preds = %land.rhs, %while.cond.preheader
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