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1; RUN: opt < %s -passes=pgo-instr-gen -pgo-instrument-entry=false -S | FileCheck %s --check-prefixes=GEN,NOTENTRY2; RUN: llvm-profdata merge %S/Inputs/loop1.proftext -o %t.profdata3; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=false -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE4; RUN: opt < %s -passes=pgo-instr-gen -pgo-instrument-entry=true -S | FileCheck %s --check-prefixes=GEN,ENTRY5; RUN: llvm-profdata merge %S/Inputs/loop1_entry.proftext -o %t.profdata6; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE7 8target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"9target triple = "x86_64-unknown-linux-gnu"10 11; GEN: $__llvm_profile_raw_version = comdat any12; GEN: @__llvm_profile_raw_version = hidden constant i64 {{[0-9]+}}, comdat13; GEN: @__profn_test_simple_for = private constant [15 x i8] c"test_simple_for"14 15define i32 @test_simple_for(i32 %n) {16entry:17; GEN: entry:18; NOTENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_simple_for, i64 {{[0-9]+}}, i32 2, i32 1)19; ENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_simple_for, i64 {{[0-9]+}}, i32 2, i32 0)20 br label %for.cond21 22for.cond:23; GEN: for.cond:24; GEN-NOT: call void @llvm.instrprof.increment25 %i = phi i32 [ 0, %entry ], [ %inc1, %for.inc ]26 %sum = phi i32 [ 1, %entry ], [ %inc, %for.inc ]27 %cmp = icmp slt i32 %i, %n28 br i1 %cmp, label %for.body, label %for.end29; USE: br i1 %cmp, label %for.body, label %for.end30; USE-SAME: !prof ![[BW_FOR_COND:[0-9]+]]31; USE: ![[BW_FOR_COND]] = !{!"branch_weights", i32 96, i32 4}32 33for.body:34; GEN: for.body:35; GEN-NOT: call void @llvm.instrprof.increment36 %inc = add nsw i32 %sum, 137 br label %for.inc38 39for.inc:40; GEN: for.inc:41; NOTENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_simple_for, i64 {{[0-9]+}}, i32 2, i32 0)42; ENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_simple_for, i64 {{[0-9]+}}, i32 2, i32 1)43 %inc1 = add nsw i32 %i, 144 br label %for.cond45 46for.end:47; GEN: for.end:48; GEN-NOT: call void @llvm.instrprof.increment49; GEN: ret i3250 ret i32 %sum51}52