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