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
6target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
7target 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
16define i32 @bar(i32 %i) {
17entry:
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
26if.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
35if.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
41declare i8* @__cxa_allocate_exception(i64)
42
43declare void @__cxa_throw(i8*, i8*, i8*)
44
45define i32 @foo(i32 %i) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
46entry:
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
55if.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
62invoke.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
67lpad:
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
76catch.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
85catch:
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
97try.cont:
98; GEN: try.cont:
99; GEN-NOT: call void @llvm.instrprof.increment
100  ret i32 -1
101
102if.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
110eh.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
118declare i32 @__gxx_personality_v0(...)
119
120declare i32 @llvm.eh.typeid.for(i8*)
121
122declare i8* @__cxa_begin_catch(i8*)
123
124declare 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