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/switch.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; RUN: opt < %s -passes=pgo-instr-gen -pgo-instrument-entry=true -S | FileCheck %s --check-prefixes=GEN,ENTRY 5; RUN: llvm-profdata merge %S/Inputs/switch_entry.proftext -o %t.profdata 6; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE 7target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 8target triple = "x86_64-unknown-linux-gnu" 9 10; GEN: $__llvm_profile_raw_version = comdat any 11; GEN: @__llvm_profile_raw_version = hidden constant i64 {{[0-9]+}}, comdat 12; GEN: @__profn_test_switch = private constant [11 x i8] c"test_switch" 13 14define void @test_switch(i32 %i) { 15entry: 16; GEN: entry: 17; NOTENTRY-NOT: call void @llvm.instrprof.increment 18; ENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_switch, i64 {{[0-9]+}}, i32 4, i32 0) 19 switch i32 %i, label %sw.default [ 20 i32 1, label %sw.bb 21 i32 2, label %sw.bb1 22 i32 3, label %sw.bb2 23 ] 24; USE: ] 25; USE-SAME: !prof ![[BW_SWITCH:[0-9]+]] 26; USE: ![[BW_SWITCH]] = !{!"branch_weights", i32 3, i32 2, i32 0, i32 5} 27 28sw.bb: 29; GEN: sw.bb: 30; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_switch, i64 {{[0-9]+}}, i32 4, i32 2) 31 br label %sw.epilog 32 33sw.bb1: 34; GEN: sw.bb1: 35; NOTENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_switch, i64 {{[0-9]+}}, i32 4, i32 0) 36; ENTRY-NOT: call void @llvm.instrprof.increment 37 br label %sw.epilog 38 39sw.bb2: 40; GEN: sw.bb2: 41; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_switch, i64 {{[0-9]+}}, i32 4, i32 1) 42 br label %sw.epilog 43 44sw.default: 45; GEN: sw.default: 46; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_switch, i64 {{[0-9]+}}, i32 4, i32 3) 47 br label %sw.epilog 48 49sw.epilog: 50; GEN: sw.epilog: 51; GEN-NOT: call void @llvm.instrprof.increment 52 ret void 53; GEN: ret void 54} 55