--- /dev/null
+; This testcase, obviously distilled from a large program (bzip2 from Specint2000)
+; caused instcombine to fail because it got the same instruction on it's worklist
+; more than once (which is ok), but then deleted the instruction. Since the inst
+; stayed on the worklist, as soon as it came back up to be processed, bad things
+; happened, and opt asserted.
+;
+; RUN: as < %s | opt -instcombine
+;
+
+
+%.LC0 = internal global [21 x sbyte] c"hbMakeCodeLengths(1)\00" ; <[21 x sbyte]*> [#uses=1]
+%.LC1 = internal global [21 x sbyte] c"hbMakeCodeLengths(2)\00" ; <[21 x sbyte]*> [#uses=1]
+
+void "hbMakeCodeLengths"(ubyte* %len, int* %freq, int %alphaSize, int %maxLen) {
+bb0: ;[#uses=0]
+ %len = alloca ubyte* ; <ubyte**> [#uses=2]
+ store ubyte* %len, ubyte** %len
+ %freq = alloca int* ; <int**> [#uses=2]
+ store int* %freq, int** %freq
+ %alphaSize = alloca int ; <int*> [#uses=2]
+ store int %alphaSize, int* %alphaSize
+ %maxLen = alloca int ; <int*> [#uses=2]
+ store int %maxLen, int* %maxLen
+ %heap = alloca int, uint 260 ; <int*> [#uses=27]
+ %weight = alloca int, uint 516 ; <int*> [#uses=18]
+ %parent = alloca int, uint 516 ; <int*> [#uses=7]
+ br label %bb1
+
+bb1: ;[#uses=2]
+ %reg107 = load ubyte** %len, uint 0 ; <ubyte*> [#uses=1]
+ %reg108 = load int** %freq, uint 0 ; <int*> [#uses=1]
+ %reg109 = load int* %alphaSize ; <int> [#uses=10]
+ %reg110 = load int* %maxLen ; <int> [#uses=1]
+ %cond747 = setge int 0, %reg109 ; <bool> [#uses=1]
+ br bool %cond747, label %bb6, label %bb2
+
+bb2: ;[#uses=2]
+ %reg591 = phi int [ %reg594, %bb5 ], [ 0, %bb1 ] ; <int> [#uses=3]
+ %reg591-idxcast1 = cast int %reg591 to uint ; <uint> [#uses=1]
+ %reg591-idxcast1-offset = add uint %reg591-idxcast1, 1 ; <uint> [#uses=1]
+ %reg126 = getelementptr int* %weight, uint %reg591-idxcast1-offset ; <int*> [#uses=1]
+ %reg591-idxcast = cast int %reg591 to uint ; <uint> [#uses=1]
+ %reg132 = getelementptr int* %reg108, uint %reg591-idxcast ; <int*> [#uses=1]
+ %reg133 = load int* %reg132, uint 0 ; <int> [#uses=2]
+ %cond748 = seteq int %reg133, 0 ; <bool> [#uses=1]
+ br bool %cond748, label %bb4, label %bb3
+
+bb3: ;[#uses=2]
+ %reg127 = shl int %reg133, ubyte 8 ; <int> [#uses=1]
+ br label %bb5
+
+bb4: ;[#uses=2]
+ br label %bb5
+
+bb5: ;[#uses=3]
+ %reg593 = phi int [ 256, %bb4 ], [ %reg127, %bb3 ] ; <int> [#uses=1]
+ store int %reg593, int* %reg126
+ %reg594 = add int %reg591, 1 ; <int> [#uses=2]
+ %cond749 = setlt int %reg594, %reg109 ; <bool> [#uses=1]
+ br bool %cond749, label %bb2, label %bb6
+
+bb6: ;[#uses=6]
+ store int 0, int* %heap
+ store int 0, int* %weight
+ store int -2, int* %parent
+ %cond750 = setgt int 1, %reg109 ; <bool> [#uses=1]
+ br bool %cond750, label %bb11, label %bb7
+
+bb7: ;[#uses=3]
+ %reg597 = phi uint [ %reg598, %bb10 ], [ 0, %bb6 ] ; <uint> [#uses=5]
+ %reg597-casted = cast uint %reg597 to int ; <int> [#uses=1]
+ %reg596 = add int %reg597-casted, 1 ; <int> [#uses=3]
+ %reg597-offset = add uint %reg597, 1 ; <uint> [#uses=1]
+ %reg149 = getelementptr int* %parent, uint %reg597-offset ; <int*> [#uses=1]
+ store int -1, int* %reg149
+ %reg598 = add uint %reg597, 1 ; <uint> [#uses=3]
+ %reg597-offset1 = add uint %reg597, 1 ; <uint> [#uses=1]
+ %reg157 = getelementptr int* %heap, uint %reg597-offset1 ; <int*> [#uses=1]
+ store int %reg596, int* %reg157
+ br label %bb9
+
+bb8: ;[#uses=2]
+ %reg198 = getelementptr int* %heap, uint %reg599 ; <int*> [#uses=1]
+ store int %reg182, int* %reg198
+ %cast938 = cast int %reg174 to uint ; <uint> [#uses=1]
+ br label %bb9
+
+bb9: ;[#uses=2]
+ %reg599 = phi uint [ %cast938, %bb8 ], [ %reg598, %bb7 ] ; <uint> [#uses=3]
+ %cast807 = cast uint %reg599 to int ; <int> [#uses=1]
+ %reg597-offset2 = add uint %reg597, 1 ; <uint> [#uses=1]
+ %reg173 = getelementptr int* %weight, uint %reg597-offset2 ; <int*> [#uses=1]
+ %reg174 = shr int %cast807, ubyte 1 ; <int> [#uses=2]
+ %reg174-idxcast = cast int %reg174 to uint ; <uint> [#uses=1]
+ %reg181 = getelementptr int* %heap, uint %reg174-idxcast ; <int*> [#uses=1]
+ %reg182 = load int* %reg181 ; <int> [#uses=2]
+ %reg182-idxcast = cast int %reg182 to uint ; <uint> [#uses=1]
+ %reg189 = getelementptr int* %weight, uint %reg182-idxcast ; <int*> [#uses=1]
+ %reg190 = load int* %reg173 ; <int> [#uses=1]
+ %reg191 = load int* %reg189 ; <int> [#uses=1]
+ %cond751 = setlt int %reg190, %reg191 ; <bool> [#uses=1]
+ br bool %cond751, label %bb8, label %bb10
+
+bb10: ;[#uses=3]
+ %reg214 = getelementptr int* %heap, uint %reg599 ; <int*> [#uses=1]
+ store int %reg596, int* %reg214
+ %reg601 = add int %reg596, 1 ; <int> [#uses=1]
+ %cond752 = setle int %reg601, %reg109 ; <bool> [#uses=1]
+ br bool %cond752, label %bb7, label %bb11
+
+bb11: ;[#uses=2]
+ %reg602 = phi uint [ %reg598, %bb10 ], [ 0, %bb6 ] ; <uint> [#uses=3]
+ %cast819 = cast uint %reg602 to int ; <int> [#uses=1]
+ %cast818 = cast uint %reg602 to int ; <int> [#uses=1]
+ %cond753 = setle int %cast818, 259 ; <bool> [#uses=1]
+ br bool %cond753, label %bb13, label %bb12
+
+bb12: ;[#uses=1]
+ %cast784 = getelementptr [21 x sbyte]* %.LC0, uint 0, uint 0 ; <sbyte*> [#uses=1]
+ call void %panic( sbyte* %cast784 )
+ br label %bb13
+
+bb13: ;[#uses=4]
+ %cond754 = setle int %cast819, 1 ; <bool> [#uses=1]
+ %cast918 = cast int %reg109 to uint ; <uint> [#uses=1]
+ %cast940 = cast uint %reg602 to int ; <int> [#uses=1]
+ %cast942 = cast int %reg109 to uint ; <uint> [#uses=1]
+ br bool %cond754, label %bb32, label %bb14
+
+bb14: ;[#uses=5]
+ %cann-indvar1 = phi uint [ 0, %bb13 ], [ %add1-indvar1, %bb31 ] ; <uint> [#uses=3]
+ %cann-indvar1-casted = cast uint %cann-indvar1 to int ; <int> [#uses=1]
+ %reg603-scale = mul int %cann-indvar1-casted, -1 ; <int> [#uses=1]
+ %reg603 = add int %reg603-scale, %cast940 ; <int> [#uses=4]
+ %reg604 = add uint %cann-indvar1, %cast942 ; <uint> [#uses=4]
+ %add1-indvar1 = add uint %cann-indvar1, 1 ; <uint> [#uses=1]
+ %reg7551 = getelementptr int* %heap, uint 1 ; <int*> [#uses=1]
+ %reg113 = load int* %reg7551 ; <int> [#uses=2]
+ %reg603-idxcast = cast int %reg603 to uint ; <uint> [#uses=1]
+ %reg222 = getelementptr int* %heap, uint %reg603-idxcast ; <int*> [#uses=1]
+ %reg223 = load int* %reg222, uint 0 ; <int> [#uses=1]
+ %reg7561 = getelementptr int* %heap, uint 1 ; <int*> [#uses=1]
+ store int %reg223, int* %reg7561
+ %reg605 = add int %reg603, -1 ; <int> [#uses=4]
+ %reg757 = getelementptr int* %heap, uint 1 ; <int*> [#uses=1]
+ %reg226 = load int* %reg757 ; <int> [#uses=2]
+ %cond758 = setgt int 2, %reg605 ; <bool> [#uses=1]
+ br bool %cond758, label %bb20, label %bb15
+
+bb15: ;[#uses=3]
+ %reg606 = phi int [ %reg611, %bb19 ], [ 2, %bb14 ] ; <int> [#uses=6]
+ %reg607 = phi int [ %reg609, %bb19 ], [ 1, %bb14 ] ; <int> [#uses=2]
+ %cond759 = setge int %reg606, %reg605 ; <bool> [#uses=1]
+ br bool %cond759, label %bb18, label %bb16
+
+bb16: ;[#uses=2]
+ %reg606-idxcast = cast int %reg606 to uint ; <uint> [#uses=1]
+ %reg606-idxcast-offset = add uint %reg606-idxcast, 1 ; <uint> [#uses=1]
+ %reg241 = getelementptr int* %heap, uint %reg606-idxcast-offset ; <int*> [#uses=1]
+ %reg242 = load int* %reg241 ; <int> [#uses=1]
+ %reg242-idxcast = cast int %reg242 to uint ; <uint> [#uses=1]
+ %reg249 = getelementptr int* %weight, uint %reg242-idxcast ; <int*> [#uses=1]
+ %reg606-idxcast1 = cast int %reg606 to uint ; <uint> [#uses=1]
+ %reg256 = getelementptr int* %heap, uint %reg606-idxcast1 ; <int*> [#uses=1]
+ %reg257 = load int* %reg256 ; <int> [#uses=1]
+ %reg257-idxcast = cast int %reg257 to uint ; <uint> [#uses=1]
+ %reg264 = getelementptr int* %weight, uint %reg257-idxcast ; <int*> [#uses=1]
+ %reg265 = load int* %reg249 ; <int> [#uses=1]
+ %reg266 = load int* %reg264 ; <int> [#uses=1]
+ %cond760 = setge int %reg265, %reg266 ; <bool> [#uses=1]
+ br bool %cond760, label %bb18, label %bb17
+
+bb17: ;[#uses=2]
+ %reg608 = add int %reg606, 1 ; <int> [#uses=1]
+ br label %bb18
+
+bb18: ;[#uses=4]
+ %reg609 = phi int [ %reg608, %bb17 ], [ %reg606, %bb16 ], [ %reg606, %bb15 ] ; <int> [#uses=4]
+ %reg226-idxcast = cast int %reg226 to uint ; <uint> [#uses=1]
+ %reg273 = getelementptr int* %weight, uint %reg226-idxcast ; <int*> [#uses=1]
+ %reg609-idxcast = cast int %reg609 to uint ; <uint> [#uses=1]
+ %reg280 = getelementptr int* %heap, uint %reg609-idxcast ; <int*> [#uses=1]
+ %reg281 = load int* %reg280 ; <int> [#uses=2]
+ %reg281-idxcast = cast int %reg281 to uint ; <uint> [#uses=1]
+ %reg288 = getelementptr int* %weight, uint %reg281-idxcast ; <int*> [#uses=1]
+ %reg289 = load int* %reg273 ; <int> [#uses=1]
+ %reg290 = load int* %reg288 ; <int> [#uses=1]
+ %cond761 = setlt int %reg289, %reg290 ; <bool> [#uses=1]
+ br bool %cond761, label %bb20, label %bb19
+
+bb19: ;[#uses=4]
+ %reg607-idxcast = cast int %reg607 to uint ; <uint> [#uses=1]
+ %reg297 = getelementptr int* %heap, uint %reg607-idxcast ; <int*> [#uses=1]
+ store int %reg281, int* %reg297
+ %reg611 = shl int %reg609, ubyte 1 ; <int> [#uses=2]
+ %cond762 = setle int %reg611, %reg605 ; <bool> [#uses=1]
+ br bool %cond762, label %bb15, label %bb20
+
+bb20: ;[#uses=6]
+ %reg612 = phi int [ %reg609, %bb19 ], [ %reg607, %bb18 ], [ 1, %bb14 ] ; <int> [#uses=1]
+ %reg612-idxcast = cast int %reg612 to uint ; <uint> [#uses=1]
+ %reg312 = getelementptr int* %heap, uint %reg612-idxcast ; <int*> [#uses=1]
+ store int %reg226, int* %reg312
+ %reg7631 = getelementptr int* %heap, uint 1 ; <int*> [#uses=1]
+ %reg114 = load int* %reg7631 ; <int> [#uses=2]
+ %reg603-idxcast1 = cast int %reg603 to uint ; <uint> [#uses=1]
+ %reg603-idxcast1-offset = add uint %reg603-idxcast1, 1073741823 ; <uint> [#uses=1]
+ %reg319 = getelementptr int* %heap, uint %reg603-idxcast1-offset ; <int*> [#uses=1]
+ %reg320 = load int* %reg319, uint 0 ; <int> [#uses=1]
+ %reg7641 = getelementptr int* %heap, uint 1 ; <int*> [#uses=1]
+ store int %reg320, int* %reg7641
+ %reg613 = add int %reg605, -1 ; <int> [#uses=4]
+ %reg765 = getelementptr int* %heap, uint 1 ; <int*> [#uses=1]
+ %reg323 = load int* %reg765 ; <int> [#uses=2]
+ %cond766 = setgt int 2, %reg613 ; <bool> [#uses=1]
+ br bool %cond766, label %bb26, label %bb21
+
+bb21: ;[#uses=3]
+ %reg614 = phi int [ %reg619, %bb25 ], [ 2, %bb20 ] ; <int> [#uses=6]
+ %reg615 = phi int [ %reg617, %bb25 ], [ 1, %bb20 ] ; <int> [#uses=2]
+ %cond767 = setge int %reg614, %reg613 ; <bool> [#uses=1]
+ br bool %cond767, label %bb24, label %bb22
+
+bb22: ;[#uses=2]
+ %reg614-idxcast = cast int %reg614 to uint ; <uint> [#uses=1]
+ %reg614-idxcast-offset = add uint %reg614-idxcast, 1 ; <uint> [#uses=1]
+ %reg338 = getelementptr int* %heap, uint %reg614-idxcast-offset ; <int*> [#uses=1]
+ %reg339 = load int* %reg338 ; <int> [#uses=1]
+ %reg339-idxcast = cast int %reg339 to uint ; <uint> [#uses=1]
+ %reg346 = getelementptr int* %weight, uint %reg339-idxcast ; <int*> [#uses=1]
+ %reg614-idxcast1 = cast int %reg614 to uint ; <uint> [#uses=1]
+ %reg353 = getelementptr int* %heap, uint %reg614-idxcast1 ; <int*> [#uses=1]
+ %reg354 = load int* %reg353 ; <int> [#uses=1]
+ %reg354-idxcast = cast int %reg354 to uint ; <uint> [#uses=1]
+ %reg361 = getelementptr int* %weight, uint %reg354-idxcast ; <int*> [#uses=1]
+ %reg362 = load int* %reg346 ; <int> [#uses=1]
+ %reg363 = load int* %reg361 ; <int> [#uses=1]
+ %cond768 = setge int %reg362, %reg363 ; <bool> [#uses=1]
+ br bool %cond768, label %bb24, label %bb23
+
+bb23: ;[#uses=2]
+ %reg616 = add int %reg614, 1 ; <int> [#uses=1]
+ br label %bb24
+
+bb24: ;[#uses=4]
+ %reg617 = phi int [ %reg616, %bb23 ], [ %reg614, %bb22 ], [ %reg614, %bb21 ] ; <int> [#uses=4]
+ %reg323-idxcast = cast int %reg323 to uint ; <uint> [#uses=1]
+ %reg370 = getelementptr int* %weight, uint %reg323-idxcast ; <int*> [#uses=1]
+ %reg617-idxcast = cast int %reg617 to uint ; <uint> [#uses=1]
+ %reg377 = getelementptr int* %heap, uint %reg617-idxcast ; <int*> [#uses=1]
+ %reg378 = load int* %reg377 ; <int> [#uses=2]
+ %reg378-idxcast = cast int %reg378 to uint ; <uint> [#uses=1]
+ %reg385 = getelementptr int* %weight, uint %reg378-idxcast ; <int*> [#uses=1]
+ %reg386 = load int* %reg370 ; <int> [#uses=1]
+ %reg387 = load int* %reg385 ; <int> [#uses=1]
+ %cond769 = setlt int %reg386, %reg387 ; <bool> [#uses=1]
+ br bool %cond769, label %bb26, label %bb25
+
+bb25: ;[#uses=4]
+ %reg615-idxcast = cast int %reg615 to uint ; <uint> [#uses=1]
+ %reg394 = getelementptr int* %heap, uint %reg615-idxcast ; <int*> [#uses=1]
+ store int %reg378, int* %reg394
+ %reg619 = shl int %reg617, ubyte 1 ; <int> [#uses=2]
+ %cond770 = setle int %reg619, %reg613 ; <bool> [#uses=1]
+ br bool %cond770, label %bb21, label %bb26
+
+bb26: ;[#uses=4]
+ %reg620 = phi int [ %reg617, %bb25 ], [ %reg615, %bb24 ], [ 1, %bb20 ] ; <int> [#uses=1]
+ %reg620-idxcast = cast int %reg620 to uint ; <uint> [#uses=1]
+ %reg409 = getelementptr int* %heap, uint %reg620-idxcast ; <int*> [#uses=1]
+ store int %reg323, int* %reg409
+ %reg621 = add uint %reg604, 1 ; <uint> [#uses=5]
+ %reg113-idxcast = cast int %reg113 to uint ; <uint> [#uses=1]
+ %reg416 = getelementptr int* %parent, uint %reg113-idxcast ; <int*> [#uses=1]
+ %reg114-idxcast = cast int %reg114 to uint ; <uint> [#uses=1]
+ %reg423 = getelementptr int* %parent, uint %reg114-idxcast ; <int*> [#uses=1]
+ %cast889 = cast uint %reg621 to int ; <int> [#uses=1]
+ store int %cast889, int* %reg423
+ %cast890 = cast uint %reg621 to int ; <int> [#uses=1]
+ store int %cast890, int* %reg416
+ %reg604-offset = add uint %reg604, 1 ; <uint> [#uses=1]
+ %reg431 = getelementptr int* %weight, uint %reg604-offset ; <int*> [#uses=1]
+ %reg113-idxcast2 = cast int %reg113 to uint ; <uint> [#uses=1]
+ %reg4381 = getelementptr int* %weight, uint %reg113-idxcast2 ; <int*> [#uses=1]
+ %reg439 = load int* %reg4381 ; <int> [#uses=2]
+ %reg440 = and int %reg439, -256 ; <int> [#uses=1]
+ %reg114-idxcast2 = cast int %reg114 to uint ; <uint> [#uses=1]
+ %reg4471 = getelementptr int* %weight, uint %reg114-idxcast2 ; <int*> [#uses=1]
+ %reg448 = load int* %reg4471 ; <int> [#uses=2]
+ %reg449 = and int %reg448, -256 ; <int> [#uses=1]
+ %reg450 = add int %reg440, %reg449 ; <int> [#uses=1]
+ %reg460 = and int %reg439, 255 ; <int> [#uses=2]
+ %reg451 = and int %reg448, 255 ; <int> [#uses=2]
+ %cond771 = setge int %reg451, %reg460 ; <bool> [#uses=1]
+ br bool %cond771, label %bb28, label %bb27
+
+bb27: ;[#uses=2]
+ br label %bb28
+
+bb28: ;[#uses=3]
+ %reg623 = phi int [ %reg460, %bb27 ], [ %reg451, %bb26 ] ; <int> [#uses=1]
+ %reg469 = add int %reg623, 1 ; <int> [#uses=1]
+ %reg470 = or int %reg450, %reg469 ; <int> [#uses=1]
+ store int %reg470, int* %reg431
+ %reg604-offset1 = add uint %reg604, 1 ; <uint> [#uses=1]
+ %reg4771 = getelementptr int* %parent, uint %reg604-offset1 ; <int*> [#uses=1]
+ store int -1, int* %reg4771
+ %reg624 = add int %reg613, 1 ; <int> [#uses=2]
+ %reg603-idxcast2 = cast int %reg603 to uint ; <uint> [#uses=1]
+ %reg603-idxcast2-offset = add uint %reg603-idxcast2, 1073741823 ; <uint> [#uses=1]
+ %reg485 = getelementptr int* %heap, uint %reg603-idxcast2-offset ; <int*> [#uses=1]
+ %cast902 = cast uint %reg621 to int ; <int> [#uses=1]
+ store int %cast902, int* %reg485
+ br label %bb30
+
+bb29: ;[#uses=2]
+ %reg625-idxcast = cast int %reg625 to uint ; <uint> [#uses=1]
+ %reg526 = getelementptr int* %heap, uint %reg625-idxcast ; <int*> [#uses=1]
+ store int %reg510, int* %reg526
+ br label %bb30
+
+bb30: ;[#uses=2]
+ %reg625 = phi int [ %reg502, %bb29 ], [ %reg624, %bb28 ] ; <int> [#uses=3]
+ %reg604-offset2 = add uint %reg604, 1 ; <uint> [#uses=1]
+ %reg501 = getelementptr int* %weight, uint %reg604-offset2 ; <int*> [#uses=1]
+ %reg502 = shr int %reg625, ubyte 1 ; <int> [#uses=2]
+ %reg502-idxcast = cast int %reg502 to uint ; <uint> [#uses=1]
+ %reg509 = getelementptr int* %heap, uint %reg502-idxcast ; <int*> [#uses=1]
+ %reg510 = load int* %reg509 ; <int> [#uses=2]
+ %reg510-idxcast = cast int %reg510 to uint ; <uint> [#uses=1]
+ %reg517 = getelementptr int* %weight, uint %reg510-idxcast ; <int*> [#uses=1]
+ %reg518 = load int* %reg501 ; <int> [#uses=1]
+ %reg519 = load int* %reg517 ; <int> [#uses=1]
+ %cond772 = setlt int %reg518, %reg519 ; <bool> [#uses=1]
+ br bool %cond772, label %bb29, label %bb31
+
+bb31: ;[#uses=3]
+ %reg625-idxcast1 = cast int %reg625 to uint ; <uint> [#uses=1]
+ %reg542 = getelementptr int* %heap, uint %reg625-idxcast1 ; <int*> [#uses=1]
+ %cast916 = cast uint %reg621 to int ; <int> [#uses=1]
+ store int %cast916, int* %reg542
+ %cond773 = setgt int %reg624, 1 ; <bool> [#uses=1]
+ br bool %cond773, label %bb14, label %bb32
+
+bb32: ;[#uses=2]
+ %reg627 = phi uint [ %reg621, %bb31 ], [ %cast918, %bb13 ] ; <uint> [#uses=1]
+ %cast919 = cast uint %reg627 to int ; <int> [#uses=1]
+ %cond774 = setle int %cast919, 515 ; <bool> [#uses=1]
+ br bool %cond774, label %bb34, label %bb33
+
+bb33: ;[#uses=1]
+ %cast785 = getelementptr [21 x sbyte]* %.LC1, uint 0, uint 0 ; <sbyte*> [#uses=1]
+ call void %panic( sbyte* %cast785 )
+ br label %bb34
+
+bb34: ;[#uses=5]
+ %cond775 = setgt int 1, %reg109 ; <bool> [#uses=1]
+ br bool %cond775, label %bb40, label %bb35
+
+bb35: ;[#uses=5]
+ %reg629 = phi ubyte [ %reg639, %bb39 ], [ 0, %bb34 ] ; <ubyte> [#uses=1]
+ %cann-indvar = phi uint [ 0, %bb34 ], [ %add1-indvar, %bb39 ] ; <uint> [#uses=4]
+ %cann-indvar-casted = cast uint %cann-indvar to int ; <int> [#uses=1]
+ %reg630 = add int %cann-indvar-casted, 1 ; <int> [#uses=2]
+ %add1-indvar = add uint %cann-indvar, 1 ; <uint> [#uses=1]
+ %cann-indvar-offset1 = add uint %cann-indvar, 1 ; <uint> [#uses=1]
+ %reg589 = getelementptr int* %parent, uint %cann-indvar-offset1 ; <int*> [#uses=1]
+ %reg590 = load int* %reg589 ; <int> [#uses=1]
+ %cond776 = setlt int %reg590, 0 ; <bool> [#uses=1]
+ %parent-idxcast = cast int* %parent to uint ; <uint> [#uses=1]
+ %cast948 = cast int %reg630 to uint ; <uint> [#uses=1]
+ br bool %cond776, label %bb37, label %bb36
+
+bb36: ;[#uses=5]
+ %reg632 = phi uint [ %reg634, %bb36 ], [ %cast948, %bb35 ] ; <uint> [#uses=1]
+ %reg633 = phi uint [ %reg635, %bb36 ], [ 0, %bb35 ] ; <uint> [#uses=2]
+ %reg633-casted = cast uint %reg633 to sbyte* ; <sbyte*> [#uses=1]
+ %reg631-scale = mul sbyte* %reg633-casted, null ; <sbyte*> [#uses=1]
+ %reg6311 = getelementptr sbyte* %reg631-scale, uint %parent-idxcast ; <sbyte*> [#uses=2]
+ %reg632-scale = mul uint %reg632, 4 ; <uint> [#uses=1]
+ %reg5581 = getelementptr sbyte* %reg6311, uint %reg632-scale ; <sbyte*> [#uses=1]
+ %cast924 = cast sbyte* %reg5581 to uint* ; <uint*> [#uses=1]
+ %reg634 = load uint* %cast924 ; <uint> [#uses=2]
+ %reg635 = add uint %reg633, 1 ; <uint> [#uses=2]
+ %reg634-scale = mul uint %reg634, 4 ; <uint> [#uses=1]
+ %reg5501 = getelementptr sbyte* %reg6311, uint %reg634-scale ; <sbyte*> [#uses=1]
+ %cast925 = cast sbyte* %reg5501 to int* ; <int*> [#uses=1]
+ %reg551 = load int* %cast925 ; <int> [#uses=1]
+ %cond777 = setge int %reg551, 0 ; <bool> [#uses=1]
+ br bool %cond777, label %bb36, label %bb37
+
+bb37: ;[#uses=3]
+ %reg637 = phi uint [ %reg635, %bb36 ], [ 0, %bb35 ] ; <uint> [#uses=2]
+ %cast928 = cast uint %reg637 to int ; <int> [#uses=1]
+ %cann-indvar-offset = add uint %cann-indvar, 1 ; <uint> [#uses=1]
+ %reg561 = getelementptr ubyte* %reg107, uint %cann-indvar-offset ; <ubyte*> [#uses=1]
+ %reg778 = getelementptr ubyte* %reg561, uint 4294967295 ; <ubyte*> [#uses=1]
+ %cast788 = cast uint %reg637 to ubyte ; <ubyte> [#uses=1]
+ store ubyte %cast788, ubyte* %reg778
+ %cond779 = setle int %cast928, %reg110 ; <bool> [#uses=1]
+ br bool %cond779, label %bb39, label %bb38
+
+bb38: ;[#uses=2]
+ br label %bb39
+
+bb39: ;[#uses=5]
+ %reg639 = phi ubyte [ 1, %bb38 ], [ %reg629, %bb37 ] ; <ubyte> [#uses=2]
+ %reg640 = add int %reg630, 1 ; <int> [#uses=1]
+ %cond780 = setle int %reg640, %reg109 ; <bool> [#uses=1]
+ br bool %cond780, label %bb35, label %bb40
+
+bb40: ;[#uses=2]
+ %reg641 = phi ubyte [ %reg639, %bb39 ], [ 0, %bb34 ] ; <ubyte> [#uses=1]
+ %cond781 = seteq ubyte %reg641, 0 ; <bool> [#uses=1]
+ br bool %cond781, label %bb44, label %bb41
+
+bb41: ;[#uses=2]
+ %cond782 = setge int 1, %reg109 ; <bool> [#uses=1]
+ br bool %cond782, label %bb6, label %bb42
+
+bb42: ;[#uses=3]
+ %cann-indvar2 = phi int [ 0, %bb41 ], [ %add1-indvar2, %bb42 ] ; <int> [#uses=3]
+ %reg643 = add int %cann-indvar2, 1 ; <int> [#uses=1]
+ %add1-indvar2 = add int %cann-indvar2, 1 ; <int> [#uses=1]
+ %cann-indvar2-idxcast = cast int %cann-indvar2 to uint ; <uint> [#uses=1]
+ %cann-indvar2-idxcast-offset = add uint %cann-indvar2-idxcast, 1 ; <uint> [#uses=1]
+ %reg569 = getelementptr int* %weight, uint %cann-indvar2-idxcast-offset ; <int*> [#uses=2]
+ %reg570 = load int* %reg569 ; <int> [#uses=2]
+ %reg644 = shr int %reg570, ubyte 8 ; <int> [#uses=1]
+ %reg572 = shr int %reg570, ubyte 31 ; <int> [#uses=1]
+ %cast933 = cast int %reg572 to uint ; <uint> [#uses=1]
+ %reg573 = shr uint %cast933, ubyte 31 ; <uint> [#uses=1]
+ %cast934 = cast uint %reg573 to int ; <int> [#uses=1]
+ %reg574 = add int %reg644, %cast934 ; <int> [#uses=1]
+ %reg571 = shr int %reg574, ubyte 1 ; <int> [#uses=1]
+ %reg645 = add int %reg571, 1 ; <int> [#uses=1]
+ %reg582 = shl int %reg645, ubyte 8 ; <int> [#uses=1]
+ store int %reg582, int* %reg569
+ %reg646 = add int %reg643, 1 ; <int> [#uses=1]
+ %cond783 = setlt int %reg646, %reg109 ; <bool> [#uses=1]
+ br bool %cond783, label %bb42, label %bb43
+
+bb43: ;[#uses=1]
+ br label %bb6
+
+bb44: ;[#uses=1]
+ ret void
+}
+
+declare void "panic"(sbyte*)