1 ; RUN: opt < %s -pgo-instr-gen -S | FileCheck %s --check-prefix=GEN 2 ; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s --check-prefix=GEN 3 ; RUN: llvm-profdata merge %S/Inputs/landingpad.proftext -o %t.profdata 4 ; RUN: opt < %s -pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE 5 ; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE 6 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 7 target triple = "x86_64-unknown-linux-gnu" 8 9 @val = global i32 0, align 4 10 @_ZTIi = external constant i8* 11 ; GEN: $__llvm_profile_raw_version = comdat any 12 ; GEN: @__llvm_profile_raw_version = constant i64 {{[0-9]+}}, comdat 13 ; GEN: @__profn_bar = private constant [3 x i8] c"bar" 14 ; GEN: @__profn_foo = private constant [3 x i8] c"foo" 15 16 define i32 @bar(i32 %i) { 17 entry: 18 ; GEN: entry: 19 ; GEN-NOT: call void @llvm.instrprof.increment 20 %rem = srem i32 %i, 3 21 %tobool = icmp ne i32 %rem, 0 22 br i1 %tobool, label %if.then, label %if.end 23 ; USE: br i1 %tobool, label %if.then, label %if.end 24 ; USE-SAME: !prof ![[BW_BAR_ENTRY:[0-9]+]] 25 26 if.then: 27 ; GEN: if.then: 28 ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__profn_bar, i32 0, i32 0), i64 24868915205, i32 2, i32 1) 29 %exception = call i8* @__cxa_allocate_exception(i64 4) 30 %tmp = bitcast i8* %exception to i32* 31 store i32 %i, i32* %tmp, align 16 32 call void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null) 33 unreachable 34 35 if.end: 36 ; GEN: if.end: 37 ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__profn_bar, i32 0, i32 0), i64 24868915205, i32 2, i32 0) 38 ret i32 0 39 } 40 41 declare i8* @__cxa_allocate_exception(i64) 42 43 declare void @__cxa_throw(i8*, i8*, i8*) 44 45 define i32 @foo(i32 %i) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { 46 entry: 47 ; GEN: entry: 48 ; GEN-NOT: call void @llvm.instrprof.increment 49 %rem = srem i32 %i, 2 50 %tobool = icmp ne i32 %rem, 0 51 br i1 %tobool, label %if.then, label %if.end 52 ; USE: br i1 %tobool, label %if.then, label %if.end 53 ; USE-SAME: !prof ![[BW_FOO_ENTRY:[0-9]+]] 54 55 if.then: 56 ; GEN: if.then: 57 ; GEN-NOT: call void @llvm.instrprof.increment 58 %mul = mul nsw i32 %i, 7 59 %call = invoke i32 @bar(i32 %mul) 60 to label %invoke.cont unwind label %lpad 61 62 invoke.cont: 63 ; GEN: invoke.cont: 64 ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__profn_foo, i32 0, i32 0), i64 59130013419, i32 4, i32 1) 65 br label %if.end 66 67 lpad: 68 ; GEN: lpad: 69 ; GEN-NOT: call void @llvm.instrprof.increment 70 %tmp = landingpad { i8*, i32 } 71 catch i8* bitcast (i8** @_ZTIi to i8*) 72 %tmp1 = extractvalue { i8*, i32 } %tmp, 0 73 %tmp2 = extractvalue { i8*, i32 } %tmp, 1 74 br label %catch.dispatch 75 76 catch.dispatch: 77 ; GEN: catch.dispatch: 78 ; GEN-NOT: call void @llvm.instrprof.increment 79 %tmp3 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) 80 %matches = icmp eq i32 %tmp2, %tmp3 81 br i1 %matches, label %catch, label %eh.resume 82 ; USE: br i1 %matches, label %catch, label %eh.resume 83 ; USE-SAME: !prof ![[BW_CATCH_DISPATCH:[0-9]+]] 84 85 catch: 86 ; GEN: catch: 87 ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__profn_foo, i32 0, i32 0), i64 59130013419, i32 4, i32 2) 88 %tmp4 = call i8* @__cxa_begin_catch(i8* %tmp1) 89 %tmp5 = bitcast i8* %tmp4 to i32* 90 %tmp6 = load i32, i32* %tmp5, align 4 91 %tmp7 = load i32, i32* @val, align 4 92 %sub = sub nsw i32 %tmp7, %tmp6 93 store i32 %sub, i32* @val, align 4 94 call void @__cxa_end_catch() 95 br label %try.cont 96 97 try.cont: 98 ; GEN: try.cont: 99 ; GEN-NOT: call void @llvm.instrprof.increment 100 ret i32 -1 101 102 if.end: 103 ; GEN: if.end: 104 ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__profn_foo, i32 0, i32 0), i64 59130013419, i32 4, i32 0) 105 %tmp8 = load i32, i32* @val, align 4 106 %add = add nsw i32 %tmp8, %i 107 store i32 %add, i32* @val, align 4 108 br label %try.cont 109 110 eh.resume: 111 ; GEN: eh.resume: 112 ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__profn_foo, i32 0, i32 0), i64 59130013419, i32 4, i32 3) 113 %lpad.val = insertvalue { i8*, i32 } undef, i8* %tmp1, 0 114 %lpad.val3 = insertvalue { i8*, i32 } %lpad.val, i32 %tmp2, 1 115 resume { i8*, i32 } %lpad.val3 116 } 117 118 declare i32 @__gxx_personality_v0(...) 119 120 declare i32 @llvm.eh.typeid.for(i8*) 121 122 declare i8* @__cxa_begin_catch(i8*) 123 124 declare void @__cxa_end_catch() 125 126 ; USE: ![[BW_BAR_ENTRY]] = !{!"branch_weights", i32 2, i32 1} 127 ; USE: ![[BW_FOO_ENTRY]] = !{!"branch_weights", i32 3, i32 2} 128 ; USE: ![[BW_CATCH_DISPATCH]] = !{!"branch_weights", i32 2, i32 0} 129
