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
9 ; PROF: 1. 2/4 oneblock
11 ; PROF: 1. 15.7895% 12/76 main() - bb6
12 ; PROF: 2. 11.8421% 9/76 main() - bb2
13 ; PROF: 3. 11.8421% 9/76 main() - bb3
14 ; PROF: 4. 11.8421% 9/76 main() - bb5
15 ; PROF: 5. 10.5263% 8/76 main() - bb10
16 ; PROF: 6. 7.89474% 6/76 main() - bb
17 ; PROF: 7. 7.89474% 6/76 main() - bb9
18 ; PROF: 8. 3.94737% 3/76 main() - bb1
19 ; PROF: 9. 3.94737% 3/76 main() - bb7
20 ; PROF: 10. 3.94737% 3/76 main() - bb8
21 ; PROF: 11. 2.63158% 2/76 oneblock() - entry
22 ; PROF: 12. 2.63158% 2/76 main() - entry
23 ; PROF: 13. 2.63158% 2/76 main() - bb11
24 ; PROF: 14. 2.63158% 2/76 main() - return
26 ; ModuleID = '<stdin>'
27 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"
28 target triple = "x86_64-unknown-linux-gnu"
30 @.str = private constant [12 x i8] c"hello world\00", align 1 ; <[12 x i8]*> [#uses=1]
31 @.str1 = private constant [6 x i8] c"franz\00", align 1 ; <[6 x i8]*> [#uses=1]
32 @.str2 = private constant [9 x i8] c"argc > 2\00", align 1 ; <[9 x i8]*> [#uses=1]
33 @.str3 = private constant [9 x i8] c"argc = 1\00", align 1 ; <[9 x i8]*> [#uses=1]
34 @.str4 = private constant [6 x i8] c"fritz\00", align 1 ; <[6 x i8]*> [#uses=1]
35 @.str5 = private constant [10 x i8] c"argc <= 1\00", align 1 ; <[10 x i8]*> [#uses=1]
36 ; INST:@EdgeProfCounters
38 ; INST:zeroinitializer
40 ; PROF:;;; %oneblock called 2 times.
42 define void @oneblock() nounwind {
45 ; PROF: ;;; Basic block executed 2 times.
46 %0 = call i32 @puts(i8* getelementptr inbounds ([12 x i8]* @.str, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
50 declare i32 @puts(i8*)
52 ; PROF:;;; %main called 2 times.
54 define i32 @main(i32 %argc, i8** %argv) nounwind {
57 ; PROF: ;;; Basic block executed 2 times.
58 %argc_addr = alloca i32 ; <i32*> [#uses=4]
59 %argv_addr = alloca i8** ; <i8***> [#uses=1]
60 %retval = alloca i32 ; <i32*> [#uses=2]
61 %j = alloca i32 ; <i32*> [#uses=4]
62 %i = alloca i32 ; <i32*> [#uses=4]
63 %0 = alloca i32 ; <i32*> [#uses=2]
65 ; INST:@llvm_start_edge_profiling
66 ; INST:@EdgeProfCounters
67 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
68 store i32 %argc, i32* %argc_addr
69 store i8** %argv, i8*** %argv_addr
70 store i32 0, i32* %i, align 4
72 ; PROF: ;;; Out-edge counts: [2.000000e+00 -> bb10]
76 ; PROF: ;;; Basic block executed 6 times.
77 %1 = load i32* %argc_addr, align 4 ; <i32> [#uses=1]
78 %2 = icmp sgt i32 %1, 1 ; <i1> [#uses=1]
79 br i1 %2, label %bb1, label %bb8
80 ; PROF: ;;; Out-edge counts: [3.000000e+00 -> bb1] [3.000000e+00 -> bb8]
84 ; PROF: ;;; Basic block executed 3 times.
85 store i32 0, i32* %j, align 4
87 ; PROF: ;;; Out-edge counts: [3.000000e+00 -> bb6]
91 ; PROF: ;;; Basic block executed 9 times.
92 %3 = call i32 @puts(i8* getelementptr inbounds ([6 x i8]* @.str1, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
93 %4 = load i32* %argc_addr, align 4 ; <i32> [#uses=1]
94 %5 = icmp sgt i32 %4, 2 ; <i1> [#uses=1]
95 br i1 %5, label %bb3, label %bb4
96 ; PROF: ;;; Out-edge counts: [9.000000e+00 -> bb3]
100 ; PROF: ;;; Basic block executed 9 times.
101 %6 = call i32 @puts(i8* getelementptr inbounds ([9 x i8]* @.str2, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
103 ; PROF: ;;; Out-edge counts: [9.000000e+00 -> bb5]
107 ; PROF: ;;; Never executed!
108 %7 = call i32 @puts(i8* getelementptr inbounds ([9 x i8]* @.str3, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
113 ; PROF: ;;; Basic block executed 9 times.
114 %8 = call i32 @puts(i8* getelementptr inbounds ([6 x i8]* @.str4, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
115 %9 = load i32* %j, align 4 ; <i32> [#uses=1]
116 %10 = add nsw i32 %9, 1 ; <i32> [#uses=1]
117 store i32 %10, i32* %j, align 4
119 ; PROF: ;;; Out-edge counts: [9.000000e+00 -> bb6]
121 bb6: ; preds = %bb5, %bb1
123 ; PROF: ;;; Basic block executed 12 times.
124 %11 = load i32* %j, align 4 ; <i32> [#uses=1]
125 %12 = load i32* %argc_addr, align 4 ; <i32> [#uses=1]
126 %13 = icmp slt i32 %11, %12 ; <i1> [#uses=1]
127 br i1 %13, label %bb2, label %bb7
128 ; PROF: ;;; Out-edge counts: [9.000000e+00 -> bb2] [3.000000e+00 -> bb7]
132 ; PROF: ;;; Basic block executed 3 times.
134 ; PROF: ;;; Out-edge counts: [3.000000e+00 -> bb9]
138 ; PROF: ;;; Basic block executed 3 times.
139 %14 = call i32 @puts(i8* getelementptr inbounds ([10 x i8]* @.str5, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
141 ; PROF: ;;; Out-edge counts: [3.000000e+00 -> bb9]
143 bb9: ; preds = %bb8, %bb7
145 ; PROF: ;;; Basic block executed 6 times.
146 %15 = load i32* %i, align 4 ; <i32> [#uses=1]
147 %16 = add nsw i32 %15, 1 ; <i32> [#uses=1]
148 store i32 %16, i32* %i, align 4
150 ; PROF: ;;; Out-edge counts: [6.000000e+00 -> bb10]
152 bb10: ; preds = %bb9, %entry
154 ; PROF: ;;; Basic block executed 8 times.
155 %17 = load i32* %i, align 4 ; <i32> [#uses=1]
156 %18 = icmp ne i32 %17, 3 ; <i1> [#uses=1]
157 br i1 %18, label %bb, label %bb11
159 ; INST:label %bb10.bb11_crit_edge
160 ; PROF: ;;; Out-edge counts: [6.000000e+00 -> bb] [2.000000e+00 -> bb11]
162 ; INST:bb10.bb11_crit_edge:
166 bb11: ; preds = %bb10, %bb4
168 ; PROF: ;;; Basic block executed 2 times.
169 call void @oneblock() nounwind
170 store i32 0, i32* %0, align 4
171 %19 = load i32* %0, align 4 ; <i32> [#uses=1]
172 store i32 %19, i32* %retval, align 4
174 ; PROF: ;;; Out-edge counts: [2.000000e+00 -> return]
176 return: ; preds = %bb11
178 ; PROF: ;;; Basic block executed 2 times.
179 %retval12 = load i32* %retval ; <i32> [#uses=1]