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llvm-mirror/test/Regression/Transforms/ADCE/basictest1.ll
Reid Spencer 43e145ce25 Promote GEP ubyte indices to uint. Backwards compatibility for 1.2 and
older features will be dropped soon and these test cases must not rely
on the upgrade capability.

llvm-svn: 31896
2006-11-23 15:14:52 +00:00

102 lines
3.8 KiB
LLVM

; 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
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 ; <long> [#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*, ...)