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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/branch2.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 5; RUN: opt < %s -passes=pgo-instr-gen -pgo-instrument-entry=true -S | FileCheck %s --check-prefixes=GEN,ENTRY6; RUN: llvm-profdata merge %S/Inputs/branch2_entry.proftext -o %t.profdata7; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE8target 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_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.increment19; ENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_br_2, i64 {{[0-9]+}}, i32 2, i32 0)20 %cmp = icmp sgt i32 %i, 021 br i1 %cmp, label %if.then, label %if.else22; USE: br i1 %cmp, label %if.then, label %if.else23; 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.increment30 %add = add nsw i32 %i, 231 br label %if.end32 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, 237 br label %if.end38 39if.end:40; GEN: if.end:41; GEN-NOT: llvm.instrprof.increment42 %retv = phi i32 [ %add, %if.then ], [ %sub, %if.else ]43 ret i32 %retv44; GEN: ret45}46