1 ; RUN: llvm-as %s -o %t1
2 ; RUN: opt %t1 -insert-edge-profiling -o %t2
3 ; RUN: llvm-dis < %t2 | FileCheck --check-prefix=INST %s
5 ; RUN: lli -load %llvmlibsdir/profile_rt%shlibext %t2
6 ; RUN: lli -load %llvmlibsdir/profile_rt%shlibext %t2 1 2
7 ; RUN: llvm-prof -print-all-code %t1 | FileCheck --check-prefix=PROF %s
10 ; PROF: 1. 2/4 oneblock
12 ; PROF: 1. 15.7895% 12/76 main() - bb6
13 ; PROF: 2. 11.8421% 9/76 main() - bb2
14 ; PROF: 3. 11.8421% 9/76 main() - bb3
15 ; PROF: 4. 11.8421% 9/76 main() - bb5
16 ; PROF: 5. 10.5263% 8/76 main() - bb10
17 ; PROF: 6. 7.89474% 6/76 main() - bb
18 ; PROF: 7. 7.89474% 6/76 main() - bb9
19 ; PROF: 8. 3.94737% 3/76 main() - bb1
20 ; PROF: 9. 3.94737% 3/76 main() - bb7
21 ; PROF: 10. 3.94737% 3/76 main() - bb8
22 ; PROF: 11. 2.63158% 2/76 oneblock() - entry
23 ; PROF: 12. 2.63158% 2/76 main() - entry
24 ; PROF: 13. 2.63158% 2/76 main() - bb11
25 ; PROF: 14. 2.63158% 2/76 main() - return
27 ; ModuleID = '<stdin>'
28 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
29 target triple = "x86_64-unknown-linux-gnu"
31 @.str = private constant [12 x i8] c"hello world\00", align 1 ; <[12 x i8]*> [#uses=1]
32 @.str1 = private constant [6 x i8] c"franz\00", align 1 ; <[6 x i8]*> [#uses=1]
33 @.str2 = private constant [9 x i8] c"argc > 2\00", align 1 ; <[9 x i8]*> [#uses=1]
34 @.str3 = private constant [9 x i8] c"argc = 1\00", align 1 ; <[9 x i8]*> [#uses=1]
35 @.str4 = private constant [6 x i8] c"fritz\00", align 1 ; <[6 x i8]*> [#uses=1]
36 @.str5 = private constant [10 x i8] c"argc <= 1\00", align 1 ; <[10 x i8]*> [#uses=1]
37 ; INST:@EdgeProfCounters
39 ; INST:zeroinitializer
41 ; PROF:;;; %oneblock called 2 times.
43 define void @oneblock() nounwind {
46 ; PROF: ;;; Basic block executed 2 times.
47 %0 = call i32 @puts(i8* getelementptr inbounds ([12 x i8]* @.str, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
51 declare i32 @puts(i8*)
53 ; PROF:;;; %main called 2 times.
55 define i32 @main(i32 %argc, i8** %argv) nounwind {
58 ; PROF: ;;; Basic block executed 2 times.
59 %argc_addr = alloca i32 ; <i32*> [#uses=4]
60 %argv_addr = alloca i8** ; <i8***> [#uses=1]
61 %retval = alloca i32 ; <i32*> [#uses=2]
62 %j = alloca i32 ; <i32*> [#uses=4]
63 %i = alloca i32 ; <i32*> [#uses=4]
64 %0 = alloca i32 ; <i32*> [#uses=2]
66 ; INST:@llvm_start_edge_profiling
67 ; INST:@EdgeProfCounters
68 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
69 store i32 %argc, i32* %argc_addr
70 store i8** %argv, i8*** %argv_addr
71 store i32 0, i32* %i, align 4
73 ; PROF: ;;; Out-edge counts: [2.000000e+00 -> bb10]
77 ; PROF: ;;; Basic block executed 6 times.
78 %1 = load i32* %argc_addr, align 4 ; <i32> [#uses=1]
79 %2 = icmp sgt i32 %1, 1 ; <i1> [#uses=1]
80 br i1 %2, label %bb1, label %bb8
81 ; PROF: ;;; Out-edge counts: [3.000000e+00 -> bb1] [3.000000e+00 -> bb8]
85 ; PROF: ;;; Basic block executed 3 times.
86 store i32 0, i32* %j, align 4
88 ; PROF: ;;; Out-edge counts: [3.000000e+00 -> bb6]
92 ; PROF: ;;; Basic block executed 9 times.
93 %3 = call i32 @puts(i8* getelementptr inbounds ([6 x i8]* @.str1, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
94 %4 = load i32* %argc_addr, align 4 ; <i32> [#uses=1]
95 %5 = icmp sgt i32 %4, 2 ; <i1> [#uses=1]
96 br i1 %5, label %bb3, label %bb4
97 ; PROF: ;;; Out-edge counts: [9.000000e+00 -> bb3]
101 ; PROF: ;;; Basic block executed 9 times.
102 %6 = call i32 @puts(i8* getelementptr inbounds ([9 x i8]* @.str2, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
104 ; PROF: ;;; Out-edge counts: [9.000000e+00 -> bb5]
108 ; PROF: ;;; Never executed!
109 %7 = call i32 @puts(i8* getelementptr inbounds ([9 x i8]* @.str3, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
114 ; PROF: ;;; Basic block executed 9 times.
115 %8 = call i32 @puts(i8* getelementptr inbounds ([6 x i8]* @.str4, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
116 %9 = load i32* %j, align 4 ; <i32> [#uses=1]
117 %10 = add nsw i32 %9, 1 ; <i32> [#uses=1]
118 store i32 %10, i32* %j, align 4
120 ; PROF: ;;; Out-edge counts: [9.000000e+00 -> bb6]
122 bb6: ; preds = %bb5, %bb1
124 ; PROF: ;;; Basic block executed 12 times.
125 %11 = load i32* %j, align 4 ; <i32> [#uses=1]
126 %12 = load i32* %argc_addr, align 4 ; <i32> [#uses=1]
127 %13 = icmp slt i32 %11, %12 ; <i1> [#uses=1]
128 br i1 %13, label %bb2, label %bb7
129 ; PROF: ;;; Out-edge counts: [9.000000e+00 -> bb2] [3.000000e+00 -> bb7]
133 ; PROF: ;;; Basic block executed 3 times.
135 ; PROF: ;;; Out-edge counts: [3.000000e+00 -> bb9]
139 ; PROF: ;;; Basic block executed 3 times.
140 %14 = call i32 @puts(i8* getelementptr inbounds ([10 x i8]* @.str5, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
142 ; PROF: ;;; Out-edge counts: [3.000000e+00 -> bb9]
144 bb9: ; preds = %bb8, %bb7
146 ; PROF: ;;; Basic block executed 6 times.
147 %15 = load i32* %i, align 4 ; <i32> [#uses=1]
148 %16 = add nsw i32 %15, 1 ; <i32> [#uses=1]
149 store i32 %16, i32* %i, align 4
151 ; PROF: ;;; Out-edge counts: [6.000000e+00 -> bb10]
153 bb10: ; preds = %bb9, %entry
155 ; PROF: ;;; Basic block executed 8 times.
156 %17 = load i32* %i, align 4 ; <i32> [#uses=1]
157 %18 = icmp ne i32 %17, 3 ; <i1> [#uses=1]
158 br i1 %18, label %bb, label %bb11
160 ; INST:label %bb10.bb11_crit_edge
161 ; PROF: ;;; Out-edge counts: [6.000000e+00 -> bb] [2.000000e+00 -> bb11]
163 ; INST:bb10.bb11_crit_edge:
167 bb11: ; preds = %bb10, %bb4
169 ; PROF: ;;; Basic block executed 2 times.
170 call void @oneblock() nounwind
171 store i32 0, i32* %0, align 4
172 %19 = load i32* %0, align 4 ; <i32> [#uses=1]
173 store i32 %19, i32* %retval, align 4
175 ; PROF: ;;; Out-edge counts: [2.000000e+00 -> return]
177 return: ; preds = %bb11
179 ; PROF: ;;; Basic block executed 2 times.
180 %retval12 = load i32* %retval ; <i32> [#uses=1]