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; RUN: llvm-as < %s | llvm-dis > %t1.ll
; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
; RUN: diff %t1.ll %t2.ll
; This file contains the output from the following compiled C code:
; typedef struct list {
; struct list *Next;
; int Data;
; } list;
;
; // Iterative insert fn
; void InsertIntoListTail(list **L, int Data) {
; while (*L)
; L = &(*L)->Next;
; *L = (list*)malloc(sizeof(list));
; (*L)->Data = Data;
; (*L)->Next = 0;
; }
;
; // Recursive list search fn
; list *FindData(list *L, int Data) {
; if (L == 0) return 0;
; if (L->Data == Data) return L;
; return FindData(L->Next, Data);
; }
;
; void DoListStuff() {
; list *MyList = 0;
; InsertIntoListTail(&MyList, 100);
; InsertIntoListTail(&MyList, 12);
; InsertIntoListTail(&MyList, 42);
; InsertIntoListTail(&MyList, 1123);
; InsertIntoListTail(&MyList, 1213);
;
; if (FindData(MyList, 75)) foundIt();
; if (FindData(MyList, 42)) foundIt();
; if (FindData(MyList, 700)) foundIt();
; }
%list = type { %list*, i32 }
declare i8* @malloc(i32)
define void @InsertIntoListTail(%list** %L, i32 %Data) {
bb1:
%reg116 = load %list*, %list** %L ; <%list*> [#uses=1]
%cast1004 = inttoptr i64 0 to %list* ; <%list*> [#uses=1]
%cond1000 = icmp eq %list* %reg116, %cast1004 ; <i1> [#uses=1]
br i1 %cond1000, label %bb3, label %bb2
bb2: ; preds = %bb2, %bb1
%reg117 = phi %list** [ %reg118, %bb2 ], [ %L, %bb1 ] ; <%list**> [#uses=1]
%cast1010 = bitcast %list** %reg117 to %list*** ; <%list***> [#uses=1]
%reg118 = load %list**, %list*** %cast1010 ; <%list**> [#uses=3]
%reg109 = load %list*, %list** %reg118 ; <%list*> [#uses=1]
%cast1005 = inttoptr i64 0 to %list* ; <%list*> [#uses=1]
%cond1001 = icmp ne %list* %reg109, %cast1005 ; <i1> [#uses=1]
br i1 %cond1001, label %bb2, label %bb3
bb3: ; preds = %bb2, %bb1
%reg119 = phi %list** [ %reg118, %bb2 ], [ %L, %bb1 ] ; <%list**> [#uses=1]
%cast1006 = bitcast %list** %reg119 to i8** ; <i8**> [#uses=1]
%reg111 = call i8* @malloc( i32 16 ) ; <i8*> [#uses=3]
store i8* %reg111, i8** %cast1006
%reg111.upgrd.1 = ptrtoint i8* %reg111 to i64 ; <i64> [#uses=1]
%reg1002 = add i64 %reg111.upgrd.1, 8 ; <i64> [#uses=1]
%reg1002.upgrd.2 = inttoptr i64 %reg1002 to i8* ; <i8*> [#uses=1]
%cast1008 = bitcast i8* %reg1002.upgrd.2 to i32* ; <i32*> [#uses=1]
store i32 %Data, i32* %cast1008
%cast1003 = inttoptr i64 0 to i64* ; <i64*> [#uses=1]
%cast1009 = bitcast i8* %reg111 to i64** ; <i64**> [#uses=1]
store i64* %cast1003, i64** %cast1009
ret void
}
define %list* @FindData(%list* %L, i32 %Data) {
bb1:
br label %bb2
bb2: ; preds = %bb6, %bb1
%reg115 = phi %list* [ %reg116, %bb6 ], [ %L, %bb1 ] ; <%list*> [#uses=4]
%cast1014 = inttoptr i64 0 to %list* ; <%list*> [#uses=1]
%cond1011 = icmp ne %list* %reg115, %cast1014 ; <i1> [#uses=1]
br i1 %cond1011, label %bb4, label %bb3
bb3: ; preds = %bb2
ret %list* null
bb4: ; preds = %bb2
%idx = getelementptr %list, %list* %reg115, i64 0, i32 1 ; <i32*> [#uses=1]
%reg111 = load i32, i32* %idx ; <i32> [#uses=1]
%cond1013 = icmp ne i32 %reg111, %Data ; <i1> [#uses=1]
br i1 %cond1013, label %bb6, label %bb5
bb5: ; preds = %bb4
ret %list* %reg115
bb6: ; preds = %bb4
%idx2 = getelementptr %list, %list* %reg115, i64 0, i32 0 ; <%list**> [#uses=1]
%reg116 = load %list*, %list** %idx2 ; <%list*> [#uses=1]
br label %bb2
}
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