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; RUN: llvm-as < %s | opt -adce -simplifycfg | llvm-dis
%FILE = type { int, ubyte*, ubyte*, ubyte, ubyte, uint, uint, uint }
%spec_fd_t = type { int, int, int, ubyte* }
%__iob = uninitialized global [20 x %FILE] ; <[20 x %FILE]*> [#uses=1]
%dbglvl = global int 4 ; <int*> [#uses=3]
%spec_fd = uninitialized global [3 x %spec_fd_t] ; <[3 x %spec_fd_t]*> [#uses=4]
%.LC9 = internal global [34 x sbyte] c"spec_read: fd=%d, > MAX_SPEC_FD!\0A\00" ; <[34 x sbyte]*> [#uses=1]
%.LC10 = internal global [4 x sbyte] c"EOF\00" ; <[4 x sbyte]*> [#uses=1]
%.LC11 = internal global [4 x sbyte] c"%d\0A\00" ; <[4 x sbyte]*> [#uses=1]
%.LC12 = internal global [17 x sbyte] c"spec_getc: %d = \00" ; <[17 x sbyte]*> [#uses=1]
implementation ; Functions:
declare int "fprintf"(%FILE*, sbyte*, ...)
declare void "exit"(int)
declare int "remove"(sbyte*)
declare int "fputc"(int, %FILE*)
declare uint "fwrite"(sbyte*, uint, uint, %FILE*)
declare void "perror"(sbyte*)
int "spec_getc"(int %fd) {
; <label>:0 ;[#uses=0]
%reg109 = load int* %dbglvl ; <int> [#uses=1]
%cond266 = setle int %reg109, 4 ; <bool> [#uses=1]
br bool %cond266, label %bb3, label %bb2
bb2: ;[#uses=1]
%cast273 = getelementptr [17 x sbyte]* %.LC12, long 0, long 0 ; <sbyte*> [#uses=0]
br label %bb3
bb3: ;[#uses=2]
%cond267 = setle int %fd, 3 ; <bool> [#uses=1]
; br bool %cond267, label %bb5, label %bb4
br label %bb5
bb4: ;[#uses=2]
%reg111 = getelementptr [20 x %FILE]* %__iob, long 0, long 1, uint 3 ; <ubyte*> [#uses=1]
%cast274 = getelementptr [34 x sbyte]* %.LC9, long 0, long 0 ; <sbyte*> [#uses=0]
%cast282 = cast ubyte* %reg111 to %FILE* ; <%FILE*> [#uses=0]
call void %exit( int 1 )
br label %UnifiedExitNode
bb5: ;[#uses=1]
%reg107-idxcast1 = cast int %fd to long ; <long> [#uses=2]
%reg107-idxcast2 = cast int %fd to long ; <long> [#uses=1]
%reg1311 = getelementptr [3 x %spec_fd_t]* %spec_fd, long 0, long %reg107-idxcast2 ; <%spec_fd_t*> [#uses=1]
%idx1 = getelementptr [3 x %spec_fd_t]* %spec_fd, long 0, long %reg107-idxcast1, uint 2 ; <int> [#uses=3]
%reg1321 = load int* %idx1
%idx2 = getelementptr %spec_fd_t* %reg1311, long 0, uint 1 ; <int> [#uses=1]
%reg1331 = load int* %idx2
%cond270 = setlt int %reg1321, %reg1331 ; <bool> [#uses=1]
br bool %cond270, label %bb9, label %bb6
bb6: ;[#uses=1]
%reg134 = load int* %dbglvl ; <int> [#uses=1]
%cond271 = setle int %reg134, 4 ; <bool> [#uses=1]
br bool %cond271, label %bb8, label %bb7
bb7: ;[#uses=1]
%cast277 = getelementptr [4 x sbyte]* %.LC10, long 0, long 0 ; <sbyte*> [#uses=0]
br label %bb8
bb8: ;[#uses=3]
br label %UnifiedExitNode
bb9: ;[#uses=1]
%reg107-idxcast3 = cast int %fd to long ; <uint> [#uses=1]
%idx3 = getelementptr [3 x %spec_fd_t]* %spec_fd, long 0, long %reg107-idxcast3, uint 3 ; <ubyte*> [#uses=1]
%reg1601 = load ubyte** %idx3
%reg132-idxcast1 = cast int %reg1321 to long ; <long> [#uses=1]
%idx4 = getelementptr ubyte* %reg1601, long %reg132-idxcast1 ; <ubyte> [#uses=2]
%reg1621 = load ubyte* %idx4
%cast108 = cast ubyte %reg1621 to long ; <long> [#uses=0]
%reg157 = add int %reg1321, 1 ; <int> [#uses=1]
%idx5 = getelementptr [3 x %spec_fd_t]* %spec_fd, long 0, long %reg107-idxcast1, uint 2
store int %reg157, int* %idx5
%reg163 = load int* %dbglvl ; <int> [#uses=1]
%cond272 = setle int %reg163, 4 ; <bool> [#uses=1]
br bool %cond272, label %bb11, label %bb10
bb10: ;[#uses=1]
%cast279 = getelementptr [4 x sbyte]* %.LC11, long 0, long 0 ; <sbyte*> [#uses=0]
br label %bb11
bb11: ;[#uses=3]
%cast291 = cast ubyte %reg1621 to int ; <int> [#uses=1]
br label %UnifiedExitNode
UnifiedExitNode: ;[#uses=3]
%UnifiedRetVal = phi int [ 42, %bb4 ], [ -1, %bb8 ], [ %cast291, %bb11 ] ; <int> [#uses=1]
ret int %UnifiedRetVal
}
declare int "puts"(sbyte*)
declare int "printf"(sbyte*, ...)
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