1 ; RUN: opt < %s -pgo-instr-gen -S | FileCheck %s --check-prefix=GEN 2 ; RUN: llvm-profdata merge %S/Inputs/switch.proftext -o %t.profdata 3 ; RUN: opt < %s -pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE 4 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 5 target triple = "x86_64-unknown-linux-gnu" 6 7 ; GEN: @__profn_test_switch = private constant [11 x i8] c"test_switch" 8 9 define void @test_switch(i32 %i) { 10 entry: 11 ; GEN: entry: 12 ; GEN-NOT: call void @llvm.instrprof.increment 13 switch i32 %i, label %sw.default [ 14 i32 1, label %sw.bb 15 i32 2, label %sw.bb1 16 i32 3, label %sw.bb2 17 ] 18 ; USE: ] 19 ; USE-SAME: !prof ![[BW_SWITCH:[0-9]+]] 20 ; USE: ![[BW_SWITCH]] = !{!"branch_weights", i32 3, i32 2, i32 0, i32 5} 21 22 sw.bb: 23 ; GEN: sw.bb: 24 ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @__profn_test_switch, i32 0, i32 0), i64 46200943743, i32 4, i32 2) 25 br label %sw.epilog 26 27 sw.bb1: 28 ; GEN: sw.bb1: 29 ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @__profn_test_switch, i32 0, i32 0), i64 46200943743, i32 4, i32 0) 30 br label %sw.epilog 31 32 sw.bb2: 33 ; GEN: sw.bb2: 34 ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @__profn_test_switch, i32 0, i32 0), i64 46200943743, i32 4, i32 1) 35 br label %sw.epilog 36 37 sw.default: 38 ; GEN: sw.default: 39 ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @__profn_test_switch, i32 0, i32 0), i64 46200943743, i32 4, i32 3) 40 br label %sw.epilog 41 42 sw.epilog: 43 ; GEN: sw.epilog: 44 ; GEN-NOT: call void @llvm.instrprof.increment 45 ret void 46 ; GEN: ret void 47 } 48
