1; RUN: opt < %s -S -passes=instrprof | FileCheck %s 2; RUN: opt < %s -S -passes=instrprof -runtime-counter-relocation | FileCheck -check-prefixes=RELOC %s 3; RUN: opt < %s -S -passes=instrprof,inline,gvn -runtime-counter-relocation | FileCheck -check-prefixes=RELOC,RELOCOPT %s 4; RUN: opt < %s -S -passes=instrprof -runtime-counter-relocation -instrprof-atomic-counter-update-all | FileCheck -check-prefixes=ATOMIC %s 5; RUN: opt < %s -S -passes=instrprof,inline,gvn -runtime-counter-relocation -instrprof-atomic-counter-update-all | FileCheck -check-prefixes=ATOMIC,ATOMICOPT %s 6 7target triple = "x86_64-unknown-linux-gnu" 8 9@__profn_foo = private constant [3 x i8] c"foo" 10@__profn_bar = private constant [3 x i8] c"bar" 11; RELOC: $__llvm_profile_counter_bias = comdat any 12; RELOC: @__llvm_profile_counter_bias = linkonce_odr hidden global i64 0, comdat 13 14; CHECK-LABEL: define void @foo 15; CHECK-NEXT: %[[PGOCOUNT:.+]] = load i64, ptr @__profc_foo 16; CHECK-NEXT: %[[PGOCOUNTINC:.+]] = add i64 %[[PGOCOUNT]], 1 17; CHECK-NEXT: store i64 %[[PGOCOUNTINC]], ptr @__profc_foo 18; RELOC-LABEL: define void @foo 19; RELOC-NEXT: %[[BIAS:.+]] = load i64, ptr @__llvm_profile_counter_bias, align {{[0-9]+}}, !invariant.load !0 20; RELOC-NEXT: %[[PROFC_BIAS:.+]] = add i64 ptrtoint (ptr @__profc_foo to i64), %[[BIAS]] 21; RELOC-NEXT: %[[PROFC_ADDR:.+]] = inttoptr i64 %[[PROFC_BIAS]] to ptr 22; RELOC-NEXT: %[[PGOCOUNT:.+]] = load i64, ptr %[[PROFC_ADDR]] 23; RELOC-NEXT: %[[PGOCOUNTINC:.+]] = add i64 %[[PGOCOUNT]], 1 24; RELOC-NEXT: store i64 %[[PGOCOUNTINC]], ptr %[[PROFC_ADDR]] 25; RELOCOPT-NEXT: %[[PROFC_BIAS1:.+]] = add i64 ptrtoint (ptr @__profc_bar to i64), %[[BIAS]] 26; RELOCOPT-NEXT: %[[PROFC_ADDR1:.+]] = inttoptr i64 %[[PROFC_BIAS1]] to ptr 27; RELOCOPT-NEXT: %[[PGOCOUNT1:.+]] = load i64, ptr %[[PROFC_ADDR1]] 28; RELOCOPT-NEXT: %[[PGOCOUNTINC1:.+]] = add i64 %[[PGOCOUNT1]], 1 29; RELOCOPT-NEXT: store i64 %[[PGOCOUNTINC1]], ptr %[[PROFC_ADDR1]] 30; ATOMIC-LABEL: define void @foo 31; ATOMIC-NEXT: %[[BIAS:.+]] = load i64, ptr @__llvm_profile_counter_bias, align {{[0-9]+}}, !invariant.load !0 32; ATOMIC-NEXT: %[[PROFC_BIAS:.+]] = add i64 ptrtoint (ptr @__profc_foo to i64), %[[BIAS]] 33; ATOMIC-NEXT: %[[PROFC_ADDR:.+]] = inttoptr i64 %[[PROFC_BIAS]] to ptr 34; ATOMIC-NEXT: %[[PGOCOUNTINC:.+]] = atomicrmw add ptr %[[PROFC_ADDR]], i64 1 monotonic 35; ATOMICOPT-NEXT: %[[PROFC_BIAS1:.+]] = add i64 ptrtoint (ptr @__profc_bar to i64), %[[BIAS]] 36; ATOMICOPT-NEXT: %[[PROFC_ADDR1:.+]] = inttoptr i64 %[[PROFC_BIAS1]] to ptr 37; ATOMICOPT-NEXT: %[[PGOCOUNTINC1:.+]] = atomicrmw add ptr %[[PROFC_ADDR1]], i64 1 monotonic 38 39define void @bar() { 40 call void @llvm.instrprof.increment(ptr @__profn_bar, i64 0, i32 1, i32 0) 41 ret void 42} 43 44define void @foo() { 45 call void @llvm.instrprof.increment(ptr @__profn_foo, i64 0, i32 1, i32 0) 46 call void @bar() 47 ret void 48} 49 50declare void @llvm.instrprof.increment(ptr, i64, i32, i32) 51