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1; RUN: opt -S -passes=pgo-instr-gen,instrprof < %s | FileCheck %s2 3target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"4target triple = "x86_64-unknown-linux-gnu"5 6;; Test that we use private aliases to reference function addresses inside profile data7; CHECK: @__profd_foo = private global {{.*}} ptr @foo.local8; CHECK-NOT: @__profd_foo = private global {{.*}} ptr @foo9 10; CHECK: @__profd_weak = private global {{.*}} ptr @weak.local11; CHECK: @__profd_linkonce = private global {{.*}} ptr @linkonce.local12; CHECK: @__profd_weakodr = private global {{.*}} ptr @weakodr.local13; CHECK: @__profd_linkonceodr = private global {{.*}} ptr @linkonceodr.local14 15; available_externally shouldn't have an alias, so make sure it doesn't appear here16; CHECK: @__profc_available_externally.[[HASH:[#0-9]+]]17; CHECK-NOT: @__profd_available_externally.[[HASH]] = {{.*}}ptr @available_externally.[[HASH]].local18 19;; Ensure when not instrumenting a non-comdat function, then if we generate an20;; alias, then it is private. We check comdat versions in comdat.ll21; CHECK: @foo.local = private alias i32 (i32), ptr @foo22; CHECK: @weak.local = private alias void (), ptr @weak23; CHECK: @linkonce.local = private alias void (), ptr @linkonce24; CHECK: @weakodr.local = private alias void (), ptr @weakodr25; CHECK: @linkonceodr.local = private alias void (), ptr @linkonceodr26 27;; We should never generate an alias for available_externally functions28; CHECK-NOT: @available_externally{{.*}} = private alias void (), ptr @available_externally29 30define i32 @foo(i32 %0) {31; CHECK-LABEL: @foo(32; CHECK-NEXT: entry:33; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_foo, align 834; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 135; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_foo, align 836; CHECK-NEXT: ret i32 037entry:38 ret i32 039}40 41define weak void @weak() {42; CHECK-LABEL: @weak(43; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_weak, align 844; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 145; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_weak, align 846; CHECK-NEXT: ret void47 ret void48}49 50define linkonce void @linkonce() {51; CHECK-LABEL: @linkonce(52; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_linkonce, align 853; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 154; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_linkonce, align 855; CHECK-NEXT: ret void56 ret void57}58 59define weak_odr void @weakodr() {60; CHECK-LABEL: @weakodr(61; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_weakodr, align 862; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 163; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_weakodr, align 864; CHECK-NEXT: ret void65 ret void66}67 68define linkonce_odr void @linkonceodr() {69; CHECK-LABEL: @linkonceodr(70; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_linkonceodr, align 871; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 172; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_linkonceodr, align 873; CHECK-NEXT: ret void74 ret void75}76 77define available_externally void @available_externally(){78; CHECK-LABEL: @available_externally(79; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_available_externally.[[HASH]], align 880; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 181; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_available_externally.[[HASH]], align 882; CHECK-NEXT: ret void83 ret void84}85