1; RUN: opt -S -passes=pgo-instr-gen,instrprof < %s | FileCheck %s 2 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 data 7; CHECK: @__profd_foo = private global {{.*}} ptr @foo.local 8; CHECK-NOT: @__profd_foo = private global {{.*}} ptr @foo 9 10; CHECK: @__profd_weak = private global {{.*}} ptr @weak.local 11; CHECK: @__profd_linkonce = private global {{.*}} ptr @linkonce.local 12; CHECK: @__profd_weakodr = private global {{.*}} ptr @weakodr.local 13; CHECK: @__profd_linkonceodr = private global {{.*}} ptr @linkonceodr.local 14 15; available_externally shouldn't have an alias, so make sure it doesn't appear here 16; CHECK: @__profc_available_externally.[[HASH:[#0-9]+]] 17; CHECK-NOT: @__profd_available_externally.[[HASH]] = {{.*}}ptr @available_externally.[[HASH]].local 18 19;; Ensure when not instrumenting a non-comdat function, then if we generate an 20;; alias, then it is private. We check comdat versions in comdat.ll 21; CHECK: @foo.local = private alias i32 (i32), ptr @foo 22; CHECK: @weak.local = private alias void (), ptr @weak 23; CHECK: @linkonce.local = private alias void (), ptr @linkonce 24; CHECK: @weakodr.local = private alias void (), ptr @weakodr 25; CHECK: @linkonceodr.local = private alias void (), ptr @linkonceodr 26 27;; We should never generate an alias for available_externally functions 28; CHECK-NOT: @available_externally{{.*}} = private alias void (), ptr @available_externally 29 30define i32 @foo(i32 %0) { 31; CHECK-LABEL: @foo( 32; CHECK-NEXT: entry: 33; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_foo, align 8 34; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 1 35; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_foo, align 8 36; CHECK-NEXT: ret i32 0 37entry: 38 ret i32 0 39} 40 41define weak void @weak() { 42; CHECK-LABEL: @weak( 43; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_weak, align 8 44; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 1 45; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_weak, align 8 46; CHECK-NEXT: ret void 47 ret void 48} 49 50define linkonce void @linkonce() { 51; CHECK-LABEL: @linkonce( 52; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_linkonce, align 8 53; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 1 54; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_linkonce, align 8 55; CHECK-NEXT: ret void 56 ret void 57} 58 59define weak_odr void @weakodr() { 60; CHECK-LABEL: @weakodr( 61; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_weakodr, align 8 62; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 1 63; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_weakodr, align 8 64; CHECK-NEXT: ret void 65 ret void 66} 67 68define linkonce_odr void @linkonceodr() { 69; CHECK-LABEL: @linkonceodr( 70; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_linkonceodr, align 8 71; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 1 72; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_linkonceodr, align 8 73; CHECK-NEXT: ret void 74 ret void 75} 76 77define available_externally void @available_externally(){ 78; CHECK-LABEL: @available_externally( 79; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_available_externally.[[HASH]], align 8 80; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 1 81; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_available_externally.[[HASH]], align 8 82; CHECK-NEXT: ret void 83 ret void 84} 85