1; RUN: opt < %s -passes=pgo-instr-gen -pgo-instrument-entry=false -S | FileCheck %s --check-prefixes=GEN,NOTENTRY 2; RUN: llvm-profdata merge %S/Inputs/branch2.proftext -o %t.profdata 3; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=false -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE 4 5; RUN: opt < %s -passes=pgo-instr-gen -pgo-instrument-entry=true -S | FileCheck %s --check-prefixes=GEN,ENTRY 6; RUN: llvm-profdata merge %S/Inputs/branch2_entry.proftext -o %t.profdata 7; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE 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 any 12; GEN: @__llvm_profile_raw_version = hidden constant i64 {{[0-9]+}}, comdat 13; GEN: @__profn_test_br_2 = private constant [9 x i8] c"test_br_2" 14 15define i32 @test_br_2(i32 %i) { 16entry: 17; GEN: entry: 18; NOTENTRY-NOT: llvm.instrprof.increment 19; ENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_br_2, i64 {{[0-9]+}}, i32 2, i32 0) 20 %cmp = icmp sgt i32 %i, 0 21 br i1 %cmp, label %if.then, label %if.else 22; USE: br i1 %cmp, label %if.then, label %if.else 23; USE-SAME: !prof ![[BW_ENTRY:[0-9]+]] 24; USE: ![[BW_ENTRY]] = !{!"branch_weights", i32 1, i32 1} 25 26if.then: 27; GEN: if.then: 28; NOTENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_br_2, i64 {{[0-9]+}}, i32 2, i32 0) 29; ENTRY-NOT: llvm.instrprof.increment 30 %add = add nsw i32 %i, 2 31 br label %if.end 32 33if.else: 34; GEN: if.else: 35; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_br_2, i64 {{[0-9]+}}, i32 2, i32 1) 36 %sub = sub nsw i32 %i, 2 37 br label %if.end 38 39if.end: 40; GEN: if.end: 41; GEN-NOT: llvm.instrprof.increment 42 %retv = phi i32 [ %add, %if.then ], [ %sub, %if.else ] 43 ret i32 %retv 44; GEN: ret 45} 46