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1; RUN: opt < %s -passes=pgo-instr-gen -pgo-instrument-entry=false -S | FileCheck %s --check-prefix=GEN2; RUN: llvm-profdata merge %S/Inputs/criticaledge.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-prefix=GEN6; RUN: llvm-profdata merge %S/Inputs/criticaledge_entry.proftext -o %t2.profdata7; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t2.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_criticalEdge = private constant [17 x i8] c"test_criticalEdge"14; GEN: @__profn__stdin__bar = private constant [11 x i8] c"<stdin>;bar"15 16define i32 @test_criticalEdge(i32 %i, i32 %j) {17entry:18; CHECK: entry:19; NOTENTRY-NOT: call void @llvm.instrprof.increment20; ENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 0)21 switch i32 %i, label %sw.default [22 i32 1, label %sw.bb23 i32 2, label %sw.bb124 i32 3, label %sw.bb225 i32 4, label %sw.bb226; CHECK: i32 3, label %entry.sw.bb2_crit_edge27; CHECK: i32 4, label %entry.sw.bb2_crit_edge128 i32 5, label %sw.bb229 ]30; USE: ]31; USE-SAME: !prof ![[BW_SWITCH:[0-9]+]]32 33; CHECK: entry.sw.bb2_crit_edge1:34; NOTENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 1)35; ENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 2)36; CHECK: br label %sw.bb237 38; CHECK: entry.sw.bb2_crit_edge:39; NOTENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 0)40; TENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 1)41; CHECK: br label %sw.bb242 43sw.bb:44; GEN: sw.bb:45; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 5)46 %call = call i32 @bar(i32 2)47 br label %sw.epilog48 49sw.bb1:50; GEN: sw.bb1:51; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 6)52 %call2 = call i32 @bar(i32 1024)53 br label %sw.epilog54 55sw.bb2:56; GEN: sw.bb2:57; GEN-NOT: call void @llvm.instrprof.increment58 %cmp = icmp eq i32 %j, 259 br i1 %cmp, label %if.then, label %if.end60; USE: br i1 %cmp, label %if.then, label %if.end61; USE-SAME: !prof ![[BW_SW_BB2:[0-9]+]]62 63if.then:64; GEN: if.then:65; NOTENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 2)66; ENTRY-NOT: call void @llvm.instrprof.increment67 %call4 = call i32 @bar(i32 4)68 br label %return69 70if.end:71; GEN: if.end:72; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 3)73 %call5 = call i32 @bar(i32 8)74 br label %sw.epilog75 76sw.default:77; GEN: sw.default:78; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 4)79 %call6 = call i32 @bar(i32 32)80 %cmp7 = icmp sgt i32 %j, 1081 br i1 %cmp7, label %if.then8, label %if.end982; USE: br i1 %cmp7, label %if.then8, label %if.end983; USE-SAME: !prof ![[BW_SW_DEFAULT:[0-9]+]]84 85if.then8:86; GEN: if.then8:87; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 7)88 %add = add nsw i32 %call6, 1089 br label %if.end990 91if.end9:92; GEN: if.end9:93; GEN-NOT: call void @llvm.instrprof.increment94 %res.0 = phi i32 [ %add, %if.then8 ], [ %call6, %sw.default ]95 br label %sw.epilog96 97sw.epilog:98; GEN: sw.epilog:99; GEN-NOT: call void @llvm.instrprof.increment100 %res.1 = phi i32 [ %res.0, %if.end9 ], [ %call5, %if.end ], [ %call2, %sw.bb1 ], [ %call, %sw.bb ]101 br label %return102 103return:104; GEN: return:105; GEN-NOT: call void @llvm.instrprof.increment106 %retval = phi i32 [ %res.1, %sw.epilog ], [ %call4, %if.then ]107 ret i32 %retval108}109 110define internal i32 @bar(i32 %i) {111entry:112; GEN: call void @llvm.instrprof.increment(ptr @__profn__stdin__bar, i64 {{[0-9]+}}, i32 1, i32 0)113 ret i32 %i114}115 116; USE: ![[BW_SWITCH]] = !{!"branch_weights", i32 2, i32 1, i32 0, i32 2, i32 1, i32 1}117; USE: ![[BW_SW_BB2]] = !{!"branch_weights", i32 2, i32 2}118; USE: ![[BW_SW_DEFAULT]] = !{!"branch_weights", i32 1, i32 1}119