1; RUN: opt < %s -sroa -S | FileCheck %s
2target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-n32:64-S128"
3target triple = "sparcv9-sun-solaris"
4
5; PR37267
6; Check that we don't crash on this test.
7
8define i16 @f1() {
9; CHECK-LABEL: @f1
10; CHECK: %[[retval:.*]] = add i16 2, 2
11; CHECK: ret i16 %[[retval]]
12
13bb1:
14; This 12-byte alloca is split into partitions as [0,2), [2,4), [4,8), [8,10), [10, 12).
15; The reported error happened when rewriteIntegerStore try to widen a split tail of slice 1 for [4, 8) partition.
16; alloca  012345678901
17; slice 1:  WWWW
18; slice 2:        WWWW
19; slice 3:        RR
20; slice 4:  RR
21
22  %a.3 = alloca [6 x i16], align 1
23; slice 1: [2,6)
24  %_tmp3 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 1
25  %_tmp5 = bitcast i16* %_tmp3 to i32*
26  store i32 131074, i32* %_tmp5, align 1
27; slice 2: [8,12)
28  %_tmp8 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 4
29  %_tmp10 = bitcast i16* %_tmp8 to i32*
30  store i32 131074, i32* %_tmp10, align 1
31; slice 3: [8,10)
32  %_tmp12 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 4
33  %_tmp13 = load i16, i16* %_tmp12, align 1
34; slice 4: [2,4)
35  %_tmp15 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 1
36  %_tmp16 = load i16, i16* %_tmp15, align 1
37
38  %rc = add i16 %_tmp13, %_tmp16
39  ret i16 %rc
40}
41
42define i16 @f2() {
43; CHECK-LABEL: @f2
44; CHECK: %[[retval:.*]] = add i16 2, undef
45; CHECK: ret i16 %[[retval]]
46
47bb1:
48; This 12-byte alloca is split into partitions as [0,2), [2,4), [4,8), [8,10), [10, 12).
49; The reported error happened when visitLoadInst rewrites a split tail of slice 1 for [4, 8) partition.
50; alloca  012345678901
51; slice 1:  RRRR
52; slice 2:        WWWW
53; slice 3:        RR
54; slice 4:  RR
55
56  %a.3 = alloca [6 x i16], align 1
57; slice 1: [2,6)
58  %_tmp3 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 1
59  %_tmp5 = bitcast i16* %_tmp3 to i32*
60  %_tmp6 = load i32, i32* %_tmp5, align 1
61; slice 2: [8,12)
62  %_tmp8 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 4
63  %_tmp10 = bitcast i16* %_tmp8 to i32*
64  store i32 131074, i32* %_tmp10, align 1
65; slice 3: [8,10)
66  %_tmp12 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 4
67  %_tmp13 = load i16, i16* %_tmp12, align 1
68; slice 4: [2,4)
69  %_tmp15 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 1
70  %_tmp16 = load i16, i16* %_tmp15, align 1
71
72  %rc = add i16 %_tmp13, %_tmp16
73  ret i16 %rc
74}
75