| ; RUN: opt < %s -S -passes=instrprof | FileCheck %s |
| ; RUN: opt < %s -S -passes=instrprof -runtime-counter-relocation | FileCheck -check-prefixes=RELOC %s |
| ; RUN: opt < %s -S -passes=instrprof,inline,gvn -runtime-counter-relocation | FileCheck -check-prefixes=RELOC,RELOCOPT %s |
| ; RUN: opt < %s -S -passes=instrprof -runtime-counter-relocation -instrprof-atomic-counter-update-all | FileCheck -check-prefixes=ATOMIC %s |
| ; RUN: opt < %s -S -passes=instrprof,inline,gvn -runtime-counter-relocation -instrprof-atomic-counter-update-all | FileCheck -check-prefixes=ATOMIC,ATOMICOPT %s |
| |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @__profn_foo = private constant [3 x i8] c"foo" |
| @__profn_bar = private constant [3 x i8] c"bar" |
| ; RELOC: $__llvm_profile_counter_bias = comdat any |
| ; 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: %[[PGOCOUNTINC:.+]] = add i64 %[[PGOCOUNT]], 1 |
| ; CHECK-NEXT: store i64 %[[PGOCOUNTINC]], ptr @__profc_foo |
| ; RELOC-LABEL: define void @foo |
| ; RELOC-NEXT: %[[BIAS:.+]] = load i64, ptr @__llvm_profile_counter_bias, align {{[0-9]+}}, !invariant.load !0 |
| ; 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]] |
| ; RELOCOPT-NEXT: %[[PROFC_BIAS1:.+]] = add i64 ptrtoint (ptr @__profc_bar to i64), %[[BIAS]] |
| ; RELOCOPT-NEXT: %[[PROFC_ADDR1:.+]] = inttoptr i64 %[[PROFC_BIAS1]] to ptr |
| ; RELOCOPT-NEXT: %[[PGOCOUNT1:.+]] = load i64, ptr %[[PROFC_ADDR1]] |
| ; RELOCOPT-NEXT: %[[PGOCOUNTINC1:.+]] = add i64 %[[PGOCOUNT1]], 1 |
| ; RELOCOPT-NEXT: store i64 %[[PGOCOUNTINC1]], ptr %[[PROFC_ADDR1]] |
| ; ATOMIC-LABEL: define void @foo |
| ; ATOMIC-NEXT: %[[BIAS:.+]] = load i64, ptr @__llvm_profile_counter_bias, align {{[0-9]+}}, !invariant.load !0 |
| ; ATOMIC-NEXT: %[[PROFC_BIAS:.+]] = add i64 ptrtoint (ptr @__profc_foo to i64), %[[BIAS]] |
| ; ATOMIC-NEXT: %[[PROFC_ADDR:.+]] = inttoptr i64 %[[PROFC_BIAS]] to ptr |
| ; ATOMIC-NEXT: %[[PGOCOUNTINC:.+]] = atomicrmw add ptr %[[PROFC_ADDR]], i64 1 monotonic |
| ; ATOMICOPT-NEXT: %[[PROFC_BIAS1:.+]] = add i64 ptrtoint (ptr @__profc_bar to i64), %[[BIAS]] |
| ; ATOMICOPT-NEXT: %[[PROFC_ADDR1:.+]] = inttoptr i64 %[[PROFC_BIAS1]] to ptr |
| ; ATOMICOPT-NEXT: %[[PGOCOUNTINC1:.+]] = atomicrmw add ptr %[[PROFC_ADDR1]], i64 1 monotonic |
| |
| define void @bar() { |
| call void @llvm.instrprof.increment(ptr @__profn_bar, i64 0, i32 1, i32 0) |
| ret void |
| } |
| |
| define void @foo() { |
| call void @llvm.instrprof.increment(ptr @__profn_foo, i64 0, i32 1, i32 0) |
| call void @bar() |
| ret void |
| } |
| |
| declare void @llvm.instrprof.increment(ptr, i64, i32, i32) |
