[InstCombine] Signed saturation patterns
[llvm-core.git] / test / Transforms / InstCombine / 2006-05-04-DemandedBitCrash.ll
blobe22395fb87743aa3be491fcc5ba304d7b8c348ac
1 ; RUN: opt < %s -instcombine -disable-output
2 ; END.
4 define void @test() {
5 bb38.i:
6         %varspec.0.i1014 = bitcast i64 123814269237067777 to i64                ; <i64> [#uses=1]
7         %locspec.0.i1015 = bitcast i32 1 to i32         ; <i32> [#uses=2]
8         %tmp51391.i1018 = lshr i64 %varspec.0.i1014, 16         ; <i64> [#uses=1]
9         %tmp51392.i1019 = trunc i64 %tmp51391.i1018 to i32              ; <i32> [#uses=2]
10         %tmp51392.mask.i1020 = lshr i32 %tmp51392.i1019, 29             ; <i32> [#uses=1]
11         %tmp7.i1021 = and i32 %tmp51392.mask.i1020, 1           ; <i32> [#uses=2]
12         %tmp18.i1026 = lshr i32 %tmp51392.i1019, 31             ; <i32> [#uses=2]
13         %tmp18.i1027 = trunc i32 %tmp18.i1026 to i8             ; <i8> [#uses=1]
14         br i1 false, label %cond_false1148.i1653, label %bb377.i1259
16 bb377.i1259:            ; preds = %bb38.i
17         br i1 false, label %cond_true541.i1317, label %cond_false1148.i1653
19 cond_true541.i1317:             ; preds = %bb377.i1259
20         %tmp545.i1318 = lshr i32 %locspec.0.i1015, 10           ; <i32> [#uses=1]
21         %tmp550.i1319 = lshr i32 %locspec.0.i1015, 4            ; <i32> [#uses=1]
22         %tmp550551.i1320 = and i32 %tmp550.i1319, 63            ; <i32> [#uses=1]
23         %tmp553.i1321 = icmp ult i32 %tmp550551.i1320, 4                ; <i1> [#uses=1]
24         %tmp558.i1322 = icmp eq i32 %tmp7.i1021, 0              ; <i1> [#uses=1]
25         %bothcond.i1326 = or i1 %tmp553.i1321, false            ; <i1> [#uses=1]
26         %bothcond1.i1327 = or i1 %bothcond.i1326, false         ; <i1> [#uses=1]
27         %bothcond2.not.i1328 = or i1 %bothcond1.i1327, false            ; <i1> [#uses=1]
28         %bothcond3.i1329 = or i1 %bothcond2.not.i1328, %tmp558.i1322            ; <i1> [#uses=0]
29         br i1 false, label %cond_true583.i1333, label %cond_next592.i1337
31 cond_true583.i1333:             ; preds = %cond_true541.i1317
32         br i1 false, label %cond_true586.i1335, label %cond_next592.i1337
34 cond_true586.i1335:             ; preds = %cond_true583.i1333
35         br label %cond_true.i
37 cond_next592.i1337:             ; preds = %cond_true583.i1333, %cond_true541.i1317
38         %mask_z.0.i1339 = phi i32 [ %tmp18.i1026, %cond_true541.i1317 ], [ 0, %cond_true583.i1333 ]             ; <i32> [#uses=0]
39         %tmp594.i1340 = and i32 %tmp545.i1318, 15               ; <i32> [#uses=0]
40         br label %cond_true.i
42 cond_false1148.i1653:           ; preds = %bb377.i1259, %bb38.i
43         %tmp1150.i1654 = icmp eq i32 %tmp7.i1021, 0             ; <i1> [#uses=1]
44         %tmp1160.i1656 = icmp eq i8 %tmp18.i1027, 0             ; <i1> [#uses=1]
45         %bothcond8.i1658 = or i1 %tmp1150.i1654, %tmp1160.i1656         ; <i1> [#uses=1]
46         %bothcond9.i1659 = or i1 %bothcond8.i1658, false                ; <i1> [#uses=0]
47         br label %cond_true.i
49 cond_true.i:            ; preds = %cond_false1148.i1653, %cond_next592.i1337, %cond_true586.i1335
50         ret void