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 16define void @oneblock() nounwind { 17entry: 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 36declare i32 @puts(i8*) 37 38define i32 @main(i32 %argc, i8** %argv) nounwind { 39entry: 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 56bb: ; 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 62bb1: ; preds = %bb 63; CHECK:bb1: 64 store i32 0, i32* %j, align 4 65 br label %bb6 66 67bb2: ; 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 74bb3: ; 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 79bb4: ; 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 84bb5: ; 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 92bb6: ; 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 99bb7: ; preds = %bb6 100; CHECK:bb7: 101 br label %bb9 102 103bb8: ; 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 108bb9: ; 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 115bb10: ; 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 127bb11: ; 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 135return: ; preds = %bb11 136; CHECK:return: 137 %retval12 = load i32* %retval ; <i32> [#uses=1] 138 ret i32 %retval12 139} 140