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https://github.com/RPCS3/llvm.git
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9bc243b251
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47784 91177308-0d34-0410-b5e6-96231b3b80d8
104 lines
3.8 KiB
LLVM
104 lines
3.8 KiB
LLVM
; RUN: llvm-as < %s | llvm-dis > %t1.ll
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; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
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; RUN: diff %t1.ll %t2.ll
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; This file contains the output from the following compiled C code:
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; typedef struct list {
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; struct list *Next;
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; int Data;
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; } list;
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;
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; // Iterative insert fn
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; void InsertIntoListTail(list **L, int Data) {
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; while (*L)
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; L = &(*L)->Next;
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; *L = (list*)malloc(sizeof(list));
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; (*L)->Data = Data;
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; (*L)->Next = 0;
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; }
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;
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; // Recursive list search fn
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; list *FindData(list *L, int Data) {
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; if (L == 0) return 0;
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; if (L->Data == Data) return L;
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; return FindData(L->Next, Data);
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; }
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;
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; void DoListStuff() {
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; list *MyList = 0;
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; InsertIntoListTail(&MyList, 100);
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; InsertIntoListTail(&MyList, 12);
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; InsertIntoListTail(&MyList, 42);
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; InsertIntoListTail(&MyList, 1123);
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; InsertIntoListTail(&MyList, 1213);
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;
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; if (FindData(MyList, 75)) foundIt();
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; if (FindData(MyList, 42)) foundIt();
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; if (FindData(MyList, 700)) foundIt();
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; }
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%list = type { %list*, i32 }
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declare i8* @malloc(i32)
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define void @InsertIntoListTail(%list** %L, i32 %Data) {
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bb1:
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%reg116 = load %list** %L ; <%list*> [#uses=1]
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%cast1004 = inttoptr i64 0 to %list* ; <%list*> [#uses=1]
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%cond1000 = icmp eq %list* %reg116, %cast1004 ; <i1> [#uses=1]
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br i1 %cond1000, label %bb3, label %bb2
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bb2: ; preds = %bb2, %bb1
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%reg117 = phi %list** [ %reg118, %bb2 ], [ %L, %bb1 ] ; <%list**> [#uses=1]
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%cast1010 = bitcast %list** %reg117 to %list*** ; <%list***> [#uses=1]
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%reg118 = load %list*** %cast1010 ; <%list**> [#uses=3]
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%reg109 = load %list** %reg118 ; <%list*> [#uses=1]
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%cast1005 = inttoptr i64 0 to %list* ; <%list*> [#uses=1]
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%cond1001 = icmp ne %list* %reg109, %cast1005 ; <i1> [#uses=1]
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br i1 %cond1001, label %bb2, label %bb3
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bb3: ; preds = %bb2, %bb1
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%reg119 = phi %list** [ %reg118, %bb2 ], [ %L, %bb1 ] ; <%list**> [#uses=1]
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%cast1006 = bitcast %list** %reg119 to i8** ; <i8**> [#uses=1]
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%reg111 = call i8* @malloc( i32 16 ) ; <i8*> [#uses=3]
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store i8* %reg111, i8** %cast1006
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%reg111.upgrd.1 = ptrtoint i8* %reg111 to i64 ; <i64> [#uses=1]
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%reg1002 = add i64 %reg111.upgrd.1, 8 ; <i64> [#uses=1]
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%reg1002.upgrd.2 = inttoptr i64 %reg1002 to i8* ; <i8*> [#uses=1]
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%cast1008 = bitcast i8* %reg1002.upgrd.2 to i32* ; <i32*> [#uses=1]
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store i32 %Data, i32* %cast1008
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%cast1003 = inttoptr i64 0 to i64* ; <i64*> [#uses=1]
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%cast1009 = bitcast i8* %reg111 to i64** ; <i64**> [#uses=1]
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store i64* %cast1003, i64** %cast1009
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ret void
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}
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define %list* @FindData(%list* %L, i32 %Data) {
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bb1:
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br label %bb2
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bb2: ; preds = %bb6, %bb1
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%reg115 = phi %list* [ %reg116, %bb6 ], [ %L, %bb1 ] ; <%list*> [#uses=4]
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%cast1014 = inttoptr i64 0 to %list* ; <%list*> [#uses=1]
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%cond1011 = icmp ne %list* %reg115, %cast1014 ; <i1> [#uses=1]
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br i1 %cond1011, label %bb4, label %bb3
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bb3: ; preds = %bb2
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ret %list* null
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bb4: ; preds = %bb2
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%idx = getelementptr %list* %reg115, i64 0, i32 1 ; <i32*> [#uses=1]
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%reg111 = load i32* %idx ; <i32> [#uses=1]
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%cond1013 = icmp ne i32 %reg111, %Data ; <i1> [#uses=1]
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br i1 %cond1013, label %bb6, label %bb5
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bb5: ; preds = %bb4
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ret %list* %reg115
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bb6: ; preds = %bb4
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%idx2 = getelementptr %list* %reg115, i64 0, i32 0 ; <%list**> [#uses=1]
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%reg116 = load %list** %idx2 ; <%list*> [#uses=1]
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br label %bb2
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}
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