Testcase (distilled from crafty) that crashed the local RA on X86.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30063 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/Generic/2006-09-02-LocalAllocCrash.ll b/test/CodeGen/Generic/2006-09-02-LocalAllocCrash.ll
new file mode 100644 (file)
index 0000000..3231a3c
--- /dev/null
+++ b/test/CodeGen/Generic/2006-09-02-LocalAllocCrash.ll
@@ -0,0 +1,115 @@
+; RUN: llvm-as < %s | llc -regalloc=local
+
+       %struct.CHESS_POSITION = type { ulong, ulong, ulong, ulong, ulong, ulong, ulong, ulong, ulong, ulong, ulong, ulong, ulong, ulong, ulong, ulong, ulong, ulong, uint, int, sbyte, sbyte, [64 x sbyte], sbyte, sbyte, sbyte, sbyte, sbyte }
+%search = external global %struct.CHESS_POSITION               ; <%struct.CHESS_POSITION*> [#uses=2]
+%bishop_shift_rl45 = external global [64 x int]                ; <[64 x int]*> [#uses=1]
+%bishop_shift_rr45 = external global [64 x int]                ; <[64 x int]*> [#uses=1]
+%black_outpost = external global [64 x sbyte]          ; <[64 x sbyte]*> [#uses=1]
+%bishop_mobility_rl45 = external global [64 x [256 x int]]             ; <[64 x [256 x int]]*> [#uses=1]
+%bishop_mobility_rr45 = external global [64 x [256 x int]]             ; <[64 x [256 x int]]*> [#uses=1]
+
+implementation   ; Functions:
+
+declare fastcc int %FirstOne()
+
+fastcc void %Evaluate() {
+entry:
+       br bool false, label %cond_false186, label %cond_true
+
+cond_true:             ; preds = %entry
+       ret void
+
+cond_false186:         ; preds = %entry
+       br bool false, label %cond_true293, label %bb203
+
+bb203:         ; preds = %cond_false186
+       ret void
+
+cond_true293:          ; preds = %cond_false186
+       br bool false, label %cond_true298, label %cond_next317
+
+cond_true298:          ; preds = %cond_true293
+       br bool false, label %cond_next518, label %cond_true397.preheader
+
+cond_next317:          ; preds = %cond_true293
+       ret void
+
+cond_true397.preheader:                ; preds = %cond_true298
+       ret void
+
+cond_next518:          ; preds = %cond_true298
+       br bool false, label %bb1069, label %cond_true522
+
+cond_true522:          ; preds = %cond_next518
+       ret void
+
+bb1069:                ; preds = %cond_next518
+       br bool false, label %cond_next1131, label %bb1096
+
+bb1096:                ; preds = %bb1069
+       ret void
+
+cond_next1131:         ; preds = %bb1069
+       br bool false, label %cond_next1207, label %cond_true1150
+
+cond_true1150:         ; preds = %cond_next1131
+       ret void
+
+cond_next1207:         ; preds = %cond_next1131
+       br bool false, label %cond_next1219, label %cond_true1211
+
+cond_true1211:         ; preds = %cond_next1207
+       ret void
+
+cond_next1219:         ; preds = %cond_next1207
+       br bool false, label %cond_true1223, label %cond_next1283
+
+cond_true1223:         ; preds = %cond_next1219
+       br bool false, label %cond_true1254, label %cond_true1264
+
+cond_true1254:         ; preds = %cond_true1223
+       br bool false, label %bb1567, label %cond_true1369.preheader
+
+cond_true1264:         ; preds = %cond_true1223
+       ret void
+
+cond_next1283:         ; preds = %cond_next1219
+       ret void
+
+cond_true1369.preheader:               ; preds = %cond_true1254
+       ret void
+
+bb1567:                ; preds = %cond_true1254
+       %tmp1580 = load ulong* getelementptr (%struct.CHESS_POSITION* %search, int 0, uint 3)           ; <ulong> [#uses=1]
+       %tmp1591 = load ulong* getelementptr (%struct.CHESS_POSITION* %search, int 0, uint 4)           ; <ulong> [#uses=1]
+       %tmp1572 = tail call fastcc int %FirstOne( )            ; <int> [#uses=5]
+       %tmp1582 = getelementptr [64 x int]* %bishop_shift_rl45, int 0, int %tmp1572            ; <int*> [#uses=1]
+       %tmp1583 = load int* %tmp1582           ; <int> [#uses=1]
+       %tmp1583 = cast int %tmp1583 to ubyte           ; <ubyte> [#uses=1]
+       %tmp1584 = shr ulong %tmp1580, ubyte %tmp1583           ; <ulong> [#uses=1]
+       %tmp1584 = cast ulong %tmp1584 to uint          ; <uint> [#uses=1]
+       %tmp1585 = and uint %tmp1584, 255               ; <uint> [#uses=1]
+       %tmp1587 = getelementptr [64 x [256 x int]]* %bishop_mobility_rl45, int 0, int %tmp1572, uint %tmp1585          ; <int*> [#uses=1]
+       %tmp1588 = load int* %tmp1587           ; <int> [#uses=1]
+       %tmp1593 = getelementptr [64 x int]* %bishop_shift_rr45, int 0, int %tmp1572            ; <int*> [#uses=1]
+       %tmp1594 = load int* %tmp1593           ; <int> [#uses=1]
+       %tmp1594 = cast int %tmp1594 to ubyte           ; <ubyte> [#uses=1]
+       %tmp1595 = shr ulong %tmp1591, ubyte %tmp1594           ; <ulong> [#uses=1]
+       %tmp1595 = cast ulong %tmp1595 to uint          ; <uint> [#uses=1]
+       %tmp1596 = and uint %tmp1595, 255               ; <uint> [#uses=1]
+       %tmp1598 = getelementptr [64 x [256 x int]]* %bishop_mobility_rr45, int 0, int %tmp1572, uint %tmp1596          ; <int*> [#uses=1]
+       %tmp1599 = load int* %tmp1598           ; <int> [#uses=1]
+       %tmp1600.neg = sub int 0, %tmp1588              ; <int> [#uses=1]
+       %tmp1602 = sub int %tmp1600.neg, %tmp1599               ; <int> [#uses=1]
+       %tmp1604 = getelementptr [64 x sbyte]* %black_outpost, int 0, int %tmp1572              ; <sbyte*> [#uses=1]
+       %tmp1605 = load sbyte* %tmp1604         ; <sbyte> [#uses=1]
+       %tmp1606 = seteq sbyte %tmp1605, 0              ; <bool> [#uses=1]
+       br bool %tmp1606, label %cond_next1637, label %cond_true1607
+
+cond_true1607:         ; preds = %bb1567
+       ret void
+
+cond_next1637:         ; preds = %bb1567
+       %tmp1662 = sub int %tmp1602, 0          ; <int> [#uses=0]
+       ret void
+}