1 ; RUN: llvm-as %s -o %t1
3 ; FIXME: The RUX parts of the test are disabled for now, they aren't working on
4 ; llvm-gcc-x86_64-darwin10-selfhost.
6 ; Test the edge optimal profiling instrumentation.
7 ; RUN: opt %t1 -insert-optimal-edge-profiling -o %t2
8 ; RUX: llvm-dis < %t2 | FileCheck --check-prefix=INST %s
10 ; Test the creation, reading and displaying of profile
11 ; RUX: rm -f llvmprof.out
12 ; RUX: lli -load %llvmlibsdir/profile_rt%shlibext %t2
13 ; RUX: lli -load %llvmlibsdir/profile_rt%shlibext %t2 1 2
14 ; RUX: llvm-prof -print-all-code %t1 | FileCheck --check-prefix=PROF %s
16 ; Test the loaded profile also with verifier.
17 ; RUX opt %t1 -profile-loader -profile-verifier -o %t3
19 ; Test profile estimator.
20 ; RUN: opt %t1 -profile-estimator -profile-verifier -o %t3
22 ; PROF: 1. 2/4 oneblock
24 ; PROF: 1. 15.7895% 12/76 main() - bb6
25 ; PROF: 2. 11.8421% 9/76 main() - bb2
26 ; PROF: 3. 11.8421% 9/76 main() - bb3
27 ; PROF: 4. 11.8421% 9/76 main() - bb5
28 ; PROF: 5. 10.5263% 8/76 main() - bb10
29 ; PROF: 6. 7.89474% 6/76 main() - bb
30 ; PROF: 7. 7.89474% 6/76 main() - bb9
31 ; PROF: 8. 3.94737% 3/76 main() - bb1
32 ; PROF: 9. 3.94737% 3/76 main() - bb7
33 ; PROF: 10. 3.94737% 3/76 main() - bb8
34 ; PROF: 11. 2.63158% 2/76 oneblock() - entry
35 ; PROF: 12. 2.63158% 2/76 main() - entry
36 ; PROF: 13. 2.63158% 2/76 main() - bb11
37 ; PROF: 14. 2.63158% 2/76 main() - return
39 ; ModuleID = '<stdin>'
41 @.str = private constant [12 x i8] c"hello world\00", align 1 ; <[12 x i8]*> [#uses=1]
42 @.str1 = private constant [6 x i8] c"franz\00", align 1 ; <[6 x i8]*> [#uses=1]
43 @.str2 = private constant [9 x i8] c"argc > 2\00", align 1 ; <[9 x i8]*> [#uses=1]
44 @.str3 = private constant [9 x i8] c"argc = 1\00", align 1 ; <[9 x i8]*> [#uses=1]
45 @.str4 = private constant [6 x i8] c"fritz\00", align 1 ; <[6 x i8]*> [#uses=1]
46 @.str5 = private constant [10 x i8] c"argc <= 1\00", align 1 ; <[10 x i8]*> [#uses=1]
47 ; INST:@OptEdgeProfCounters
71 ; PROF:;;; %oneblock called 2 times.
73 define void @oneblock() nounwind {
76 ; PROF: ;;; Basic block executed 2 times.
77 %0 = call i32 @puts(i8* getelementptr inbounds ([12 x i8]* @.str, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
81 declare i32 @puts(i8*)
83 ; PROF:;;; %main called 2 times.
85 define i32 @main(i32 %argc, i8** %argv) nounwind {
88 ; PROF: ;;; Basic block executed 2 times.
89 %argc_addr = alloca i32 ; <i32*> [#uses=4]
90 %argv_addr = alloca i8** ; <i8***> [#uses=1]
91 %retval = alloca i32 ; <i32*> [#uses=2]
92 %j = alloca i32 ; <i32*> [#uses=4]
93 %i = alloca i32 ; <i32*> [#uses=4]
94 %0 = alloca i32 ; <i32*> [#uses=2]
96 ; INST:@llvm_start_opt_edge_profiling
97 ; INST:@OptEdgeProfCounters
98 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
99 store i32 %argc, i32* %argc_addr
100 store i8** %argv, i8*** %argv_addr
101 store i32 0, i32* %i, align 4
103 ; PROF: ;;; Out-edge counts: [2.000000e+00 -> bb10]
107 ; PROF: ;;; Basic block executed 6 times.
108 %1 = load i32* %argc_addr, align 4 ; <i32> [#uses=1]
109 %2 = icmp sgt i32 %1, 1 ; <i1> [#uses=1]
110 br i1 %2, label %bb1, label %bb8
111 ; PROF: ;;; Out-edge counts: [3.000000e+00 -> bb1] [3.000000e+00 -> bb8]
115 ; PROF: ;;; Basic block executed 3 times.
116 store i32 0, i32* %j, align 4
118 ; PROF: ;;; Out-edge counts: [3.000000e+00 -> bb6]
122 ; PROF: ;;; Basic block executed 9 times.
123 %3 = call i32 @puts(i8* getelementptr inbounds ([6 x i8]* @.str1, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
124 %4 = load i32* %argc_addr, align 4 ; <i32> [#uses=1]
125 %5 = icmp sgt i32 %4, 2 ; <i1> [#uses=1]
126 br i1 %5, label %bb3, label %bb4
127 ; PROF: ;;; Out-edge counts: [9.000000e+00 -> bb3]
131 ; PROF: ;;; Basic block executed 9 times.
132 %6 = call i32 @puts(i8* getelementptr inbounds ([9 x i8]* @.str2, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
134 ; PROF: ;;; Out-edge counts: [9.000000e+00 -> bb5]
138 ; PROF: ;;; Never executed!
139 %7 = call i32 @puts(i8* getelementptr inbounds ([9 x i8]* @.str3, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
144 ; PROF: ;;; Basic block executed 9 times.
145 %8 = call i32 @puts(i8* getelementptr inbounds ([6 x i8]* @.str4, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
146 %9 = load i32* %j, align 4 ; <i32> [#uses=1]
147 %10 = add nsw i32 %9, 1 ; <i32> [#uses=1]
148 store i32 %10, i32* %j, align 4
150 ; PROF: ;;; Out-edge counts: [9.000000e+00 -> bb6]
152 bb6: ; preds = %bb5, %bb1
154 ; PROF: ;;; Basic block executed 12 times.
155 %11 = load i32* %j, align 4 ; <i32> [#uses=1]
156 %12 = load i32* %argc_addr, align 4 ; <i32> [#uses=1]
157 %13 = icmp slt i32 %11, %12 ; <i1> [#uses=1]
158 br i1 %13, label %bb2, label %bb7
159 ; PROF: ;;; Out-edge counts: [9.000000e+00 -> bb2] [3.000000e+00 -> bb7]
163 ; PROF: ;;; Basic block executed 3 times.
165 ; PROF: ;;; Out-edge counts: [3.000000e+00 -> bb9]
169 ; PROF: ;;; Basic block executed 3 times.
170 %14 = call i32 @puts(i8* getelementptr inbounds ([10 x i8]* @.str5, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
172 ; PROF: ;;; Out-edge counts: [3.000000e+00 -> bb9]
174 bb9: ; preds = %bb8, %bb7
176 ; PROF: ;;; Basic block executed 6 times.
177 %15 = load i32* %i, align 4 ; <i32> [#uses=1]
178 %16 = add nsw i32 %15, 1 ; <i32> [#uses=1]
179 store i32 %16, i32* %i, align 4
181 ; PROF: ;;; Out-edge counts: [6.000000e+00 -> bb10]
183 bb10: ; preds = %bb9, %entry
185 ; PROF: ;;; Basic block executed 8 times.
186 %17 = load i32* %i, align 4 ; <i32> [#uses=1]
187 %18 = icmp ne i32 %17, 3 ; <i1> [#uses=1]
188 br i1 %18, label %bb, label %bb11
190 ; INST:label %bb10.bb11_crit_edge
191 ; PROF: ;;; Out-edge counts: [6.000000e+00 -> bb] [2.000000e+00 -> bb11]
193 ; INST:bb10.bb11_crit_edge:
197 bb11: ; preds = %bb10, %bb4
199 ; PROF: ;;; Basic block executed 2 times.
200 call void @oneblock() nounwind
201 store i32 0, i32* %0, align 4
202 %19 = load i32* %0, align 4 ; <i32> [#uses=1]
203 store i32 %19, i32* %retval, align 4
205 ; PROF: ;;; Out-edge counts: [2.000000e+00 -> return]
207 return: ; preds = %bb11
209 ; PROF: ;;; Basic block executed 2 times.
210 %retval12 = load i32* %retval ; <i32> [#uses=1]