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New testcase, unanalyzed. 

llvm-svn: 2938
This commit is contained in:
Chris Lattner 2002-07-17 20:04:07 +00:00
parent 963b68afb8
commit 745f640c06
1 changed files with 74 additions and 0 deletions
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llvm/test/Regression/Transforms/ADCE/2002-07-17-PHIAssertion.ll Normal file
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; This testcase was extracted from the gzip SPEC benchmark
;
; RUN: as < %s | opt -adce
%inptr = internal uninitialized global uint ; <uint*> [#uses=2]
%outcnt = internal uninitialized global uint ; <uint*> [#uses=1]
%bb = internal uninitialized global ulong ; <ulong*> [#uses=1]
%bk = internal uninitialized global uint ; <uint*> [#uses=5]
%hufts = internal uninitialized global uint ; <uint*> [#uses=2]
implementation ; Functions:
int %inflate() {
bb0: ;[#uses=0]
%e = alloca int ; <int*> [#uses=2]
br label %bb1
bb1: ;[#uses=2]
store uint 0, uint* %outcnt
store uint 0, uint* %bk
store ulong 0, ulong* %bb
br label %bb2
bb2: ;[#uses=2]
%reg128 = phi uint [ %reg130, %bb6 ], [ 0, %bb1 ] ; <uint> [#uses=2]
store uint 0, uint* %hufts
%reg236 = call int %inflate_block( int* %e ) ; <int> [#uses=2]
%cond237 = seteq int %reg236, 0 ; <bool> [#uses=1]
br bool %cond237, label %bb4, label %bb3
bb3: ;[#uses=1]
ret int %reg236
bb4: ;[#uses=2]
%reg117 = load uint* %hufts ; <uint> [#uses=2]
%cond241 = setle uint %reg117, %reg128 ; <bool> [#uses=1]
br bool %cond241, label %bb6, label %bb5
bb5: ;[#uses=2]
br label %bb6
bb6: ;[#uses=3]
%reg130 = phi uint [ %reg117, %bb5 ], [ %reg128, %bb4 ] ; <uint> [#uses=1]
%reg118 = load int* %e, uint 0 ; <int> [#uses=1]
%cond244 = seteq int %reg118, 0 ; <bool> [#uses=1]
br bool %cond244, label %bb2, label %bb7
bb7: ;[#uses=1]
%reg126 = load uint* %bk ; <uint> [#uses=1]
%cond247 = setle uint %reg126, 7 ; <bool> [#uses=1]
br bool %cond247, label %bb9, label %bb8
bb8: ;[#uses=2]
%reg120 = load uint* %bk ; <uint> [#uses=1]
%reg121 = add uint %reg120, 4294967288 ; <uint> [#uses=1]
store uint %reg121, uint* %bk
%reg122 = load uint* %inptr ; <uint> [#uses=1]
%reg123 = add uint %reg122, 4294967295 ; <uint> [#uses=1]
store uint %reg123, uint* %inptr
%reg119 = load uint* %bk ; <uint> [#uses=1]
%cond256 = setgt uint %reg119, 7 ; <bool> [#uses=1]
br bool %cond256, label %bb8, label %bb9
bb9: ;[#uses=2]
call void %flush_window( )
ret int 0
bb10: ;[#uses=0]
ret int 42
}
declare void %flush_window()
declare int %inflate_block(int*)