1 ; Test the edge profiling instrumentation. 2 ; RUN: opt < %s -insert-edge-profiling -S | FileCheck %s 3 4 ; ModuleID = '<stdin>' 5 6 @.str = private constant [12 x i8] c"hello world\00", align 1 ; <[12 x i8]*> [#uses=1] 7 @.str1 = private constant [6 x i8] c"franz\00", align 1 ; <[6 x i8]*> [#uses=1] 8 @.str2 = private constant [9 x i8] c"argc > 2\00", align 1 ; <[9 x i8]*> [#uses=1] 9 @.str3 = private constant [9 x i8] c"argc = 1\00", align 1 ; <[9 x i8]*> [#uses=1] 10 @.str4 = private constant [6 x i8] c"fritz\00", align 1 ; <[6 x i8]*> [#uses=1] 11 @.str5 = private constant [10 x i8] c"argc <= 1\00", align 1 ; <[10 x i8]*> [#uses=1] 12 ; CHECK:@EdgeProfCounters 13 ; CHECK:[19 x i32] 14 ; CHECK:zeroinitializer 15 16 define void @oneblock() nounwind { 17 entry: 18 ; CHECK:entry: 19 ; CHECK:%OldFuncCounter 20 ; CHECK:load 21 ; CHECK:getelementptr 22 ; CHECK:@EdgeProfCounters 23 ; CHECK:i32 0 24 ; CHECK:i32 0 25 ; CHECK:%NewFuncCounter 26 ; CHECK:add 27 ; CHECK:%OldFuncCounter 28 ; CHECK:store 29 ; CHECK:%NewFuncCounter 30 ; CHECK:getelementptr 31 ; CHECK:@EdgeProfCounters 32 %0 = call i32 @puts(i8* getelementptr inbounds ([12 x i8]* @.str, i64 0, i64 0)) nounwind ; <i32> [#uses=0] 33 ret void 34 } 35 36 declare i32 @puts(i8*) 37 38 define i32 @main(i32 %argc, i8** %argv) nounwind { 39 entry: 40 ; CHECK:entry: 41 %argc_addr = alloca i32 ; <i32*> [#uses=4] 42 %argv_addr = alloca i8** ; <i8***> [#uses=1] 43 %retval = alloca i32 ; <i32*> [#uses=2] 44 %j = alloca i32 ; <i32*> [#uses=4] 45 %i = alloca i32 ; <i32*> [#uses=4] 46 %0 = alloca i32 ; <i32*> [#uses=2] 47 ; CHECK:call 48 ; CHECK:@llvm_start_edge_profiling 49 ; CHECK:@EdgeProfCounters 50 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] 51 store i32 %argc, i32* %argc_addr 52 store i8** %argv, i8*** %argv_addr 53 store i32 0, i32* %i, align 4 54 br label %bb10 55 56 bb: ; preds = %bb10 57 ; CHECK:bb: 58 %1 = load i32* %argc_addr, align 4 ; <i32> [#uses=1] 59 %2 = icmp sgt i32 %1, 1 ; <i1> [#uses=1] 60 br i1 %2, label %bb1, label %bb8 61 62 bb1: ; preds = %bb 63 ; CHECK:bb1: 64 store i32 0, i32* %j, align 4 65 br label %bb6 66 67 bb2: ; preds = %bb6 68 ; CHECK:bb2: 69 %3 = call i32 @puts(i8* getelementptr inbounds ([6 x i8]* @.str1, i64 0, i64 0)) nounwind ; <i32> [#uses=0] 70 %4 = load i32* %argc_addr, align 4 ; <i32> [#uses=1] 71 %5 = icmp sgt i32 %4, 2 ; <i1> [#uses=1] 72 br i1 %5, label %bb3, label %bb4 73 74 bb3: ; preds = %bb2 75 ; CHECK:bb3: 76 %6 = call i32 @puts(i8* getelementptr inbounds ([9 x i8]* @.str2, i64 0, i64 0)) nounwind ; <i32> [#uses=0] 77 br label %bb5 78 79 bb4: ; preds = %bb2 80 ; CHECK:bb4: 81 %7 = call i32 @puts(i8* getelementptr inbounds ([9 x i8]* @.str3, i64 0, i64 0)) nounwind ; <i32> [#uses=0] 82 br label %bb11 83 84 bb5: ; preds = %bb3 85 ; CHECK:bb5: 86 %8 = call i32 @puts(i8* getelementptr inbounds ([6 x i8]* @.str4, i64 0, i64 0)) nounwind ; <i32> [#uses=0] 87 %9 = load i32* %j, align 4 ; <i32> [#uses=1] 88 %10 = add nsw i32 %9, 1 ; <i32> [#uses=1] 89 store i32 %10, i32* %j, align 4 90 br label %bb6 91 92 bb6: ; preds = %bb5, %bb1 93 ; CHECK:bb6: 94 %11 = load i32* %j, align 4 ; <i32> [#uses=1] 95 %12 = load i32* %argc_addr, align 4 ; <i32> [#uses=1] 96 %13 = icmp slt i32 %11, %12 ; <i1> [#uses=1] 97 br i1 %13, label %bb2, label %bb7 98 99 bb7: ; preds = %bb6 100 ; CHECK:bb7: 101 br label %bb9 102 103 bb8: ; preds = %bb 104 ; CHECK:bb8: 105 %14 = call i32 @puts(i8* getelementptr inbounds ([10 x i8]* @.str5, i64 0, i64 0)) nounwind ; <i32> [#uses=0] 106 br label %bb9 107 108 bb9: ; preds = %bb8, %bb7 109 ; CHECK:bb9: 110 %15 = load i32* %i, align 4 ; <i32> [#uses=1] 111 %16 = add nsw i32 %15, 1 ; <i32> [#uses=1] 112 store i32 %16, i32* %i, align 4 113 br label %bb10 114 115 bb10: ; preds = %bb9, %entry 116 ; CHECK:bb10: 117 %17 = load i32* %i, align 4 ; <i32> [#uses=1] 118 %18 = icmp ne i32 %17, 3 ; <i1> [#uses=1] 119 br i1 %18, label %bb, label %bb11 120 ; CHECK:br 121 ; CHECK:label %bb10.bb11_crit_edge 122 123 ; CHECK:bb10.bb11_crit_edge: 124 ; CHECK:br 125 ; CHECK:label %bb11 126 127 bb11: ; preds = %bb10, %bb4 128 ; CHECK:bb11: 129 call void @oneblock() nounwind 130 store i32 0, i32* %0, align 4 131 %19 = load i32* %0, align 4 ; <i32> [#uses=1] 132 store i32 %19, i32* %retval, align 4 133 br label %return 134 135 return: ; preds = %bb11 136 ; CHECK:return: 137 %retval12 = load i32* %retval ; <i32> [#uses=1] 138 ret i32 %retval12 139 } 140
