1; RUN: llvm-as < %s | llvm-dis > %t1.ll 2; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll 3; RUN: diff %t1.ll %t2.ll 4 5; This file contains the output from the following compiled C code: 6; typedef struct list { 7; struct list *Next; 8; int Data; 9; } list; 10; 11; // Iterative insert fn 12; void InsertIntoListTail(list **L, int Data) { 13; while (*L) 14; L = &(*L)->Next; 15; *L = (list*)malloc(sizeof(list)); 16; (*L)->Data = Data; 17; (*L)->Next = 0; 18; } 19; 20; // Recursive list search fn 21; list *FindData(list *L, int Data) { 22; if (L == 0) return 0; 23; if (L->Data == Data) return L; 24; return FindData(L->Next, Data); 25; } 26; 27; void DoListStuff() { 28; list *MyList = 0; 29; InsertIntoListTail(&MyList, 100); 30; InsertIntoListTail(&MyList, 12); 31; InsertIntoListTail(&MyList, 42); 32; InsertIntoListTail(&MyList, 1123); 33; InsertIntoListTail(&MyList, 1213); 34; 35; if (FindData(MyList, 75)) foundIt(); 36; if (FindData(MyList, 42)) foundIt(); 37; if (FindData(MyList, 700)) foundIt(); 38; } 39 40%list = type { %list*, i32 } 41 42declare i8* @malloc(i32) 43 44define void @InsertIntoListTail(%list** %L, i32 %Data) { 45bb1: 46 %reg116 = load %list** %L ; <%list*> [#uses=1] 47 %cast1004 = inttoptr i64 0 to %list* ; <%list*> [#uses=1] 48 %cond1000 = icmp eq %list* %reg116, %cast1004 ; <i1> [#uses=1] 49 br i1 %cond1000, label %bb3, label %bb2 50 51bb2: ; preds = %bb2, %bb1 52 %reg117 = phi %list** [ %reg118, %bb2 ], [ %L, %bb1 ] ; <%list**> [#uses=1] 53 %cast1010 = bitcast %list** %reg117 to %list*** ; <%list***> [#uses=1] 54 %reg118 = load %list*** %cast1010 ; <%list**> [#uses=3] 55 %reg109 = load %list** %reg118 ; <%list*> [#uses=1] 56 %cast1005 = inttoptr i64 0 to %list* ; <%list*> [#uses=1] 57 %cond1001 = icmp ne %list* %reg109, %cast1005 ; <i1> [#uses=1] 58 br i1 %cond1001, label %bb2, label %bb3 59 60bb3: ; preds = %bb2, %bb1 61 %reg119 = phi %list** [ %reg118, %bb2 ], [ %L, %bb1 ] ; <%list**> [#uses=1] 62 %cast1006 = bitcast %list** %reg119 to i8** ; <i8**> [#uses=1] 63 %reg111 = call i8* @malloc( i32 16 ) ; <i8*> [#uses=3] 64 store i8* %reg111, i8** %cast1006 65 %reg111.upgrd.1 = ptrtoint i8* %reg111 to i64 ; <i64> [#uses=1] 66 %reg1002 = add i64 %reg111.upgrd.1, 8 ; <i64> [#uses=1] 67 %reg1002.upgrd.2 = inttoptr i64 %reg1002 to i8* ; <i8*> [#uses=1] 68 %cast1008 = bitcast i8* %reg1002.upgrd.2 to i32* ; <i32*> [#uses=1] 69 store i32 %Data, i32* %cast1008 70 %cast1003 = inttoptr i64 0 to i64* ; <i64*> [#uses=1] 71 %cast1009 = bitcast i8* %reg111 to i64** ; <i64**> [#uses=1] 72 store i64* %cast1003, i64** %cast1009 73 ret void 74} 75 76define %list* @FindData(%list* %L, i32 %Data) { 77bb1: 78 br label %bb2 79 80bb2: ; preds = %bb6, %bb1 81 %reg115 = phi %list* [ %reg116, %bb6 ], [ %L, %bb1 ] ; <%list*> [#uses=4] 82 %cast1014 = inttoptr i64 0 to %list* ; <%list*> [#uses=1] 83 %cond1011 = icmp ne %list* %reg115, %cast1014 ; <i1> [#uses=1] 84 br i1 %cond1011, label %bb4, label %bb3 85 86bb3: ; preds = %bb2 87 ret %list* null 88 89bb4: ; preds = %bb2 90 %idx = getelementptr %list* %reg115, i64 0, i32 1 ; <i32*> [#uses=1] 91 %reg111 = load i32* %idx ; <i32> [#uses=1] 92 %cond1013 = icmp ne i32 %reg111, %Data ; <i1> [#uses=1] 93 br i1 %cond1013, label %bb6, label %bb5 94 95bb5: ; preds = %bb4 96 ret %list* %reg115 97 98bb6: ; preds = %bb4 99 %idx2 = getelementptr %list* %reg115, i64 0, i32 0 ; <%list**> [#uses=1] 100 %reg116 = load %list** %idx2 ; <%list*> [#uses=1] 101 br label %bb2 102} 103 104