1; RUN: opt < %s -pgo-instr-gen -pgo-instrument-entry=false -S | FileCheck %s --check-prefixes=GEN,NOTENTRY 2; RUN: opt < %s -passes=pgo-instr-gen -pgo-instrument-entry=false -S | FileCheck %s --check-prefixes=GEN,NOTENTRY 3; RUN: llvm-profdata merge %S/Inputs/loop1.proftext -o %t.profdata 4; RUN: opt < %s -pgo-instr-use -pgo-instrument-entry=false -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE 5; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=false -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE 6; RUN: opt < %s -pgo-instr-gen -pgo-instrument-entry=true -S | FileCheck %s --check-prefixes=GEN,ENTRY 7; RUN: opt < %s -passes=pgo-instr-gen -pgo-instrument-entry=true -S | FileCheck %s --check-prefixes=GEN,ENTRY 8; RUN: llvm-profdata merge %S/Inputs/loop1_entry.proftext -o %t.profdata 9; RUN: opt < %s -pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE 10; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE 11 12target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 13target triple = "x86_64-unknown-linux-gnu" 14 15; GEN: $__llvm_profile_raw_version = comdat any 16; GEN: @__llvm_profile_raw_version = constant i64 {{[0-9]+}}, comdat 17; GEN: @__profn_test_simple_for = private constant [15 x i8] c"test_simple_for" 18 19define i32 @test_simple_for(i32 %n) { 20entry: 21; GEN: entry: 22; NOTENTRY: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__profn_test_simple_for, i32 0, i32 0), i64 {{[0-9]+}}, i32 2, i32 1) 23; ENTRY: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__profn_test_simple_for, i32 0, i32 0), i64 {{[0-9]+}}, i32 2, i32 0) 24 br label %for.cond 25 26for.cond: 27; GEN: for.cond: 28; GEN-NOT: call void @llvm.instrprof.increment 29 %i = phi i32 [ 0, %entry ], [ %inc1, %for.inc ] 30 %sum = phi i32 [ 1, %entry ], [ %inc, %for.inc ] 31 %cmp = icmp slt i32 %i, %n 32 br i1 %cmp, label %for.body, label %for.end 33; USE: br i1 %cmp, label %for.body, label %for.end 34; USE-SAME: !prof ![[BW_FOR_COND:[0-9]+]] 35; USE: ![[BW_FOR_COND]] = !{!"branch_weights", i32 96, i32 4} 36 37for.body: 38; GEN: for.body: 39; GEN-NOT: call void @llvm.instrprof.increment 40 %inc = add nsw i32 %sum, 1 41 br label %for.inc 42 43for.inc: 44; GEN: for.inc: 45; NOTENTRY: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__profn_test_simple_for, i32 0, i32 0), i64 {{[0-9]+}}, i32 2, i32 0) 46; ENTRY: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @__profn_test_simple_for, i32 0, i32 0), i64 {{[0-9]+}}, i32 2, i32 1) 47 %inc1 = add nsw i32 %i, 1 48 br label %for.cond 49 50for.end: 51; GEN: for.end: 52; GEN-NOT: call void @llvm.instrprof.increment 53; GEN: ret i32 54 ret i32 %sum 55} 56