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/landingpad.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/landingpad_entry.proftext -o %t2.profdata 7; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t2.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@val = global i32 0, align 4 12@_ZTIi = external constant ptr 13; GEN: $__llvm_profile_raw_version = comdat any 14; GEN: @__llvm_profile_raw_version = hidden constant i64 {{[0-9]+}}, comdat 15; GEN: @__profn_bar = private constant [3 x i8] c"bar" 16; GEN: @__profn_foo = private constant [3 x i8] c"foo" 17 18define i32 @bar(i32 %i) { 19entry: 20; GEN: entry: 21; GEN: call void @llvm.instrprof.increment(ptr @__profn_bar, i64 {{[0-9]+}}, i32 2, i32 0) 22 %rem = srem i32 %i, 3 23 %tobool = icmp ne i32 %rem, 0 24 br i1 %tobool, label %if.then, label %if.end 25; USE: br i1 %tobool, label %if.then, label %if.end 26; USE-SAME: !prof ![[BW_BAR_ENTRY:[0-9]+]] 27 28if.then: 29; GEN: if.then: 30; GEN: call void @llvm.instrprof.increment(ptr @__profn_bar, i64 {{[0-9]+}}, i32 2, i32 1) 31 %exception = call ptr @__cxa_allocate_exception(i64 4) 32 store i32 %i, ptr %exception, align 16 33 call void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null) 34 unreachable 35 36if.end: 37; GEN: if.end: 38; GEN-NOT: call void @llvm.instrprof.increment 39; GEN: ret i32 40 ret i32 0 41} 42 43declare ptr @__cxa_allocate_exception(i64) 44 45declare void @__cxa_throw(ptr, ptr, ptr) 46 47define i32 @foo(i32 %i) personality ptr @__gxx_personality_v0 { 48entry: 49; GEN: entry: 50; NOTENTRY-NOT: call void @llvm.instrprof.increment 51; ENTRY: call void @llvm.instrprof.increment(ptr @__profn_foo, i64 {{[0-9]+}}, i32 4, i32 0) 52 %rem = srem i32 %i, 2 53 %tobool = icmp ne i32 %rem, 0 54 br i1 %tobool, label %if.then, label %if.end 55; USE: br i1 %tobool, label %if.then, label %if.end 56; USE-SAME: !prof ![[BW_FOO_ENTRY:[0-9]+]] 57 58if.then: 59; GEN: if.then: 60; GEN-NOT: call void @llvm.instrprof.increment 61 %mul = mul nsw i32 %i, 7 62 %call = invoke i32 @bar(i32 %mul) 63 to label %invoke.cont unwind label %lpad 64 65invoke.cont: 66; GEN: invoke.cont: 67; GEN: call void @llvm.instrprof.increment(ptr @__profn_foo, i64 {{[0-9]+}}, i32 4, i32 1) 68 br label %if.end 69 70lpad: 71; GEN: lpad: 72; GEN-NOT: call void @llvm.instrprof.increment 73 %tmp = landingpad { ptr, i32 } 74 catch ptr @_ZTIi 75 %tmp1 = extractvalue { ptr, i32 } %tmp, 0 76 %tmp2 = extractvalue { ptr, i32 } %tmp, 1 77 br label %catch.dispatch 78 79catch.dispatch: 80; GEN: catch.dispatch: 81; GEN-NOT: call void @llvm.instrprof.increment 82 %tmp3 = call i32 @llvm.eh.typeid.for(ptr @_ZTIi) 83 %matches = icmp eq i32 %tmp2, %tmp3 84 br i1 %matches, label %catch, label %eh.resume 85; USE: br i1 %matches, label %catch, label %eh.resume 86; USE-SAME: !prof ![[BW_CATCH_DISPATCH:[0-9]+]] 87 88catch: 89; GEN: catch: 90; GEN: call void @llvm.instrprof.increment(ptr @__profn_foo, i64 {{[0-9]+}}, i32 4, i32 2) 91 %tmp4 = call ptr @__cxa_begin_catch(ptr %tmp1) 92 %tmp6 = load i32, ptr %tmp4, align 4 93 %tmp7 = load i32, ptr @val, align 4 94 %sub = sub nsw i32 %tmp7, %tmp6 95 store i32 %sub, ptr @val, align 4 96 call void @__cxa_end_catch() 97 br label %try.cont 98 99try.cont: 100; GEN: try.cont: 101; GEN-NOT: call void @llvm.instrprof.increment 102 ret i32 -1 103 104if.end: 105; GEN: if.end: 106; NOTENTRY: call void @llvm.instrprof.increment(ptr @__profn_foo, i64 {{[0-9]+}}, i32 4, i32 0) 107; ENTRY-NOT: call void @llvm.instrprof.increment 108 %tmp8 = load i32, ptr @val, align 4 109 %add = add nsw i32 %tmp8, %i 110 store i32 %add, ptr @val, align 4 111 br label %try.cont 112 113eh.resume: 114; GEN: eh.resume: 115; GEN: call void @llvm.instrprof.increment(ptr @__profn_foo, i64 {{[0-9]+}}, i32 4, i32 3) 116 %lpad.val = insertvalue { ptr, i32 } undef, ptr %tmp1, 0 117 %lpad.val3 = insertvalue { ptr, i32 } %lpad.val, i32 %tmp2, 1 118 resume { ptr, i32 } %lpad.val3 119} 120 121declare i32 @__gxx_personality_v0(...) 122 123declare i32 @llvm.eh.typeid.for(ptr) 124 125declare ptr @__cxa_begin_catch(ptr) 126 127declare void @__cxa_end_catch() 128 129; USE: ![[BW_BAR_ENTRY]] = !{!"branch_weights", i32 2, i32 1} 130; USE: ![[BW_FOO_ENTRY]] = !{!"branch_weights", i32 3, i32 2} 131; USE: ![[BW_CATCH_DISPATCH]] = !{!"branch_weights", i32 2, i32 0} 132