1*f2916becSPaul Kirth; RUN: opt -S -passes=pgo-instr-gen,instrprof < %s | FileCheck %s 2*f2916becSPaul Kirth 3*f2916becSPaul Kirthtarget datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 4*f2916becSPaul Kirthtarget triple = "x86_64-unknown-linux-gnu" 5*f2916becSPaul Kirth 6*f2916becSPaul Kirth;; Test that we use private aliases to reference function addresses inside profile data 7*f2916becSPaul Kirth; CHECK: @__profd_foo = private global {{.*}} ptr @foo.local 8*f2916becSPaul Kirth; CHECK-NOT: @__profd_foo = private global {{.*}} ptr @foo 9*f2916becSPaul Kirth 10*f2916becSPaul Kirth; CHECK: @__profd_weak = private global {{.*}} ptr @weak.local 11*f2916becSPaul Kirth; CHECK: @__profd_linkonce = private global {{.*}} ptr @linkonce.local 12*f2916becSPaul Kirth; CHECK: @__profd_weakodr = private global {{.*}} ptr @weakodr.local 13*f2916becSPaul Kirth; CHECK: @__profd_linkonceodr = private global {{.*}} ptr @linkonceodr.local 14*f2916becSPaul Kirth 15*f2916becSPaul Kirth; available_externally shouldn't have an alias, so make sure it doesn't appear here 16*f2916becSPaul Kirth; CHECK: @__profc_available_externally.[[HASH:[#0-9]+]] 17*f2916becSPaul Kirth; CHECK-NOT: @__profd_available_externally.[[HASH]] = {{.*}}ptr @available_externally.[[HASH]].local 18*f2916becSPaul Kirth 19*f2916becSPaul Kirth;; Ensure when not instrumenting a non-comdat function, then if we generate an 20*f2916becSPaul Kirth;; alias, then it is private. We check comdat versions in comdat.ll 21*f2916becSPaul Kirth; CHECK: @foo.local = private alias i32 (i32), ptr @foo 22*f2916becSPaul Kirth; CHECK: @weak.local = private alias void (), ptr @weak 23*f2916becSPaul Kirth; CHECK: @linkonce.local = private alias void (), ptr @linkonce 24*f2916becSPaul Kirth; CHECK: @weakodr.local = private alias void (), ptr @weakodr 25*f2916becSPaul Kirth; CHECK: @linkonceodr.local = private alias void (), ptr @linkonceodr 26*f2916becSPaul Kirth 27*f2916becSPaul Kirth;; We should never generate an alias for available_externally functions 28*f2916becSPaul Kirth; CHECK-NOT: @available_externally{{.*}} = private alias void (), ptr @available_externally 29*f2916becSPaul Kirth 30*f2916becSPaul Kirthdefine i32 @foo(i32 %0) { 31*f2916becSPaul Kirth; CHECK-LABEL: @foo( 32*f2916becSPaul Kirth; CHECK-NEXT: entry: 33*f2916becSPaul Kirth; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_foo, align 8 34*f2916becSPaul Kirth; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 1 35*f2916becSPaul Kirth; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_foo, align 8 36*f2916becSPaul Kirth; CHECK-NEXT: ret i32 0 37*f2916becSPaul Kirthentry: 38*f2916becSPaul Kirth ret i32 0 39*f2916becSPaul Kirth} 40*f2916becSPaul Kirth 41*f2916becSPaul Kirthdefine weak void @weak() { 42*f2916becSPaul Kirth; CHECK-LABEL: @weak( 43*f2916becSPaul Kirth; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_weak, align 8 44*f2916becSPaul Kirth; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 1 45*f2916becSPaul Kirth; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_weak, align 8 46*f2916becSPaul Kirth; CHECK-NEXT: ret void 47*f2916becSPaul Kirth ret void 48*f2916becSPaul Kirth} 49*f2916becSPaul Kirth 50*f2916becSPaul Kirthdefine linkonce void @linkonce() { 51*f2916becSPaul Kirth; CHECK-LABEL: @linkonce( 52*f2916becSPaul Kirth; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_linkonce, align 8 53*f2916becSPaul Kirth; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 1 54*f2916becSPaul Kirth; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_linkonce, align 8 55*f2916becSPaul Kirth; CHECK-NEXT: ret void 56*f2916becSPaul Kirth ret void 57*f2916becSPaul Kirth} 58*f2916becSPaul Kirth 59*f2916becSPaul Kirthdefine weak_odr void @weakodr() { 60*f2916becSPaul Kirth; CHECK-LABEL: @weakodr( 61*f2916becSPaul Kirth; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_weakodr, align 8 62*f2916becSPaul Kirth; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 1 63*f2916becSPaul Kirth; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_weakodr, align 8 64*f2916becSPaul Kirth; CHECK-NEXT: ret void 65*f2916becSPaul Kirth ret void 66*f2916becSPaul Kirth} 67*f2916becSPaul Kirth 68*f2916becSPaul Kirthdefine linkonce_odr void @linkonceodr() { 69*f2916becSPaul Kirth; CHECK-LABEL: @linkonceodr( 70*f2916becSPaul Kirth; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_linkonceodr, align 8 71*f2916becSPaul Kirth; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 1 72*f2916becSPaul Kirth; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_linkonceodr, align 8 73*f2916becSPaul Kirth; CHECK-NEXT: ret void 74*f2916becSPaul Kirth ret void 75*f2916becSPaul Kirth} 76*f2916becSPaul Kirth 77*f2916becSPaul Kirthdefine available_externally void @available_externally(){ 78*f2916becSPaul Kirth; CHECK-LABEL: @available_externally( 79*f2916becSPaul Kirth; CHECK-NEXT: [[PGOCOUNT:%.*]] = load i64, ptr @__profc_available_externally.[[HASH]], align 8 80*f2916becSPaul Kirth; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[PGOCOUNT]], 1 81*f2916becSPaul Kirth; CHECK-NEXT: store i64 [[TMP1]], ptr @__profc_available_externally.[[HASH]], align 8 82*f2916becSPaul Kirth; CHECK-NEXT: ret void 83*f2916becSPaul Kirth ret void 84*f2916becSPaul Kirth} 85