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      1 ; RUN: llvm-as %s -o %t1
      2 
      3 ; FIXME: The RUX parts of the test are disabled for now, they aren't working on
      4 ; llvm-gcc-x86_64-darwin10-selfhost.
      5 
      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
      9 
     10 ; Test the creation, reading and displaying of profile
     11 ; RUX: rm -f llvmprof.out
     12 ; RUX: lli -load %llvmshlibdir/profile_rt%shlibext %t2
     13 ; RUX: lli -load %llvmshlibdir/profile_rt%shlibext %t2 1 2
     14 ; RUX: llvm-prof -print-all-code %t1 | FileCheck --check-prefix=PROF %s
     15 
     16 ; Test the loaded profile also with verifier.
     17 ; RUX  opt %t1 -profile-loader -profile-verifier -o %t3
     18 
     19 ; Test profile estimator.
     20 ; RUN: opt %t1 -profile-estimator -profile-verifier -o %t3
     21 
     22 ; PROF:  1.     2/4 oneblock
     23 ; PROF:  2.     2/4 main
     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
     38 
     39 ; ModuleID = '<stdin>'
     40 
     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
     48 ; INST:[21 x i32]
     49 ; INST:[i32 0,
     50 ; INST:i32 -1,
     51 ; INST:i32 -1,
     52 ; INST:i32 -1,
     53 ; INST:i32 -1,
     54 ; INST:i32 -1,
     55 ; INST:i32 -1,
     56 ; INST:i32 -1,
     57 ; INST:i32 -1,
     58 ; INST:i32 0,
     59 ; INST:i32 0,
     60 ; INST:i32 -1,
     61 ; INST:i32 -1,
     62 ; INST:i32 -1,
     63 ; INST:i32 0,
     64 ; INST:i32 0,
     65 ; INST:i32 -1,
     66 ; INST:i32 -1,
     67 ; INST:i32 0,
     68 ; INST:i32 -1,
     69 ; INST:i32 -1]
     70 
     71 ; PROF:;;; %oneblock called 2 times.
     72 ; PROF:;;;
     73 define void @oneblock() nounwind {
     74 entry:
     75 ; PROF:entry:
     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]
     78   ret void
     79 }
     80 
     81 declare i32 @puts(i8*)
     82 
     83 ; PROF:;;; %main called 2 times.
     84 ; PROF:;;;
     85 define i32 @main(i32 %argc, i8** %argv) nounwind {
     86 entry:
     87 ; PROF:entry:
     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]
     95 ; INST:call 
     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
    102   br label %bb10
    103 ; PROF:	;;; Out-edge counts: [2.000000e+00 -> bb10]
    104 
    105 bb:                                               ; preds = %bb10
    106 ; PROF:bb:
    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]
    112 
    113 bb1:                                              ; preds = %bb
    114 ; PROF:bb1:
    115 ; PROF:	;;; Basic block executed 3 times.
    116   store i32 0, i32* %j, align 4
    117   br label %bb6
    118 ; PROF:	;;; Out-edge counts: [3.000000e+00 -> bb6]
    119 
    120 bb2:                                              ; preds = %bb6
    121 ; PROF:bb2:
    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]
    128 
    129 bb3:                                              ; preds = %bb2
    130 ; PROF: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]
    133   br label %bb5
    134 ; PROF:	;;; Out-edge counts: [9.000000e+00 -> bb5]
    135 
    136 bb4:                                              ; preds = %bb2
    137 ; PROF:bb4:
    138 ; PROF:	;;; Never executed!
    139   %7 = call i32 @puts(i8* getelementptr inbounds ([9 x i8]* @.str3, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
    140   br label %bb11
    141 
    142 bb5:                                              ; preds = %bb3
    143 ; PROF:bb5:
    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
    149   br label %bb6
    150 ; PROF:	;;; Out-edge counts: [9.000000e+00 -> bb6]
    151 
    152 bb6:                                              ; preds = %bb5, %bb1
    153 ; PROF:bb6:
    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]
    160 
    161 bb7:                                              ; preds = %bb6
    162 ; PROF:bb7:
    163 ; PROF:	;;; Basic block executed 3 times.
    164   br label %bb9
    165 ; PROF:	;;; Out-edge counts: [3.000000e+00 -> bb9]
    166 
    167 bb8:                                              ; preds = %bb
    168 ; PROF:bb8:
    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]
    171   br label %bb9
    172 ; PROF:	;;; Out-edge counts: [3.000000e+00 -> bb9]
    173 
    174 bb9:                                              ; preds = %bb8, %bb7
    175 ; PROF:bb9:
    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
    180   br label %bb10
    181 ; PROF:	;;; Out-edge counts: [6.000000e+00 -> bb10]
    182 
    183 bb10:                                             ; preds = %bb9, %entry
    184 ; PROF:bb10:
    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
    189 ; INST:br
    190 ; INST:label %bb10.bb11_crit_edge
    191 ; PROF:	;;; Out-edge counts: [6.000000e+00 -> bb] [2.000000e+00 -> bb11]
    192 
    193 ; INST:bb10.bb11_crit_edge:
    194 ; INST:br
    195 ; INST:label %bb11
    196 
    197 bb11:                                             ; preds = %bb10, %bb4
    198 ; PROF:bb11:
    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
    204   br label %return
    205 ; PROF:	;;; Out-edge counts: [2.000000e+00 -> return]
    206 
    207 return:                                           ; preds = %bb11
    208 ; PROF:return:
    209 ; PROF:	;;; Basic block executed 2 times.
    210   %retval12 = load i32* %retval                   ; <i32> [#uses=1]
    211   ret i32 %retval12
    212 }
    213