1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -mtriple=thumbv8.1m.main -mattr=+mve -S %s -o - | FileCheck %s --check-prefix=CHECK-MVE
3 ; RUN: opt -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -mtriple=thumbv8.1m.main -S %s -o - | FileCheck %s --check-prefix=CHECK-NOMVE
5 define i32 @speculate_vector_extract(i32 %d, <4 x i32> %v) {
6 ; CHECK-MVE-LABEL: @speculate_vector_extract(
7 ; CHECK-MVE-NEXT: entry:
8 ; CHECK-MVE-NEXT: [[CONV:%.*]] = insertelement <4 x i32> undef, i32 [[D:%.*]], i32 0
9 ; CHECK-MVE-NEXT: [[CONV2:%.*]] = insertelement <4 x i32> [[CONV]], i32 [[D]], i32 1
10 ; CHECK-MVE-NEXT: [[CONV3:%.*]] = insertelement <4 x i32> [[CONV2]], i32 [[D]], i32 2
11 ; CHECK-MVE-NEXT: [[CONV4:%.*]] = insertelement <4 x i32> [[CONV3]], i32 [[D]], i32 3
12 ; CHECK-MVE-NEXT: [[TMP6:%.*]] = add nsw <4 x i32> [[CONV4]], <i32 0, i32 -1, i32 -2, i32 -3>
13 ; CHECK-MVE-NEXT: [[CMP:%.*]] = icmp eq <4 x i32> [[TMP6]], zeroinitializer
14 ; CHECK-MVE-NEXT: [[CMP_EXT:%.*]] = sext <4 x i1> [[CMP]] to <4 x i32>
15 ; CHECK-MVE-NEXT: [[TMP8:%.*]] = extractelement <4 x i32> [[CMP_EXT]], i32 0
16 ; CHECK-MVE-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[TMP8]], 0
17 ; CHECK-MVE-NEXT: br i1 [[TOBOOL]], label [[COND_ELSE:%.*]], label [[COND_THEN:%.*]]
18 ; CHECK-MVE: cond.then:
19 ; CHECK-MVE-NEXT: [[TMP10:%.*]] = extractelement <4 x i32> [[V:%.*]], i32 0
20 ; CHECK-MVE-NEXT: br label [[COND_END:%.*]]
21 ; CHECK-MVE: cond.else:
22 ; CHECK-MVE-NEXT: [[TMP12:%.*]] = extractelement <4 x i32> [[V]], i32 3
23 ; CHECK-MVE-NEXT: br label [[COND_END]]
24 ; CHECK-MVE: cond.end:
25 ; CHECK-MVE-NEXT: [[COND:%.*]] = phi i32 [ [[TMP10]], [[COND_THEN]] ], [ [[TMP12]], [[COND_ELSE]] ]
26 ; CHECK-MVE-NEXT: [[TMP14:%.*]] = extractelement <4 x i32> [[CMP_EXT]], i32 1
27 ; CHECK-MVE-NEXT: [[TOBOOL15:%.*]] = icmp eq i32 [[TMP14]], 0
28 ; CHECK-MVE-NEXT: [[TMP20:%.*]] = extractelement <4 x i32> [[V]], i32 1
29 ; CHECK-MVE-NEXT: [[COND22:%.*]] = select i1 [[TOBOOL15]], i32 [[COND]], i32 [[TMP20]]
30 ; CHECK-MVE-NEXT: [[TMP24:%.*]] = extractelement <4 x i32> [[CMP_EXT]], i32 2
31 ; CHECK-MVE-NEXT: [[TOBOOL25:%.*]] = icmp eq i32 [[TMP24]], 0
32 ; CHECK-MVE-NEXT: [[TMP30:%.*]] = extractelement <4 x i32> [[V]], i32 2
33 ; CHECK-MVE-NEXT: [[COND32:%.*]] = select i1 [[TOBOOL25]], i32 [[COND22]], i32 [[TMP30]]
34 ; CHECK-MVE-NEXT: ret i32 [[COND32]]
36 ; CHECK-NOMVE-LABEL: @speculate_vector_extract(
37 ; CHECK-NOMVE-NEXT: entry:
38 ; CHECK-NOMVE-NEXT: [[CONV:%.*]] = insertelement <4 x i32> undef, i32 [[D:%.*]], i32 0
39 ; CHECK-NOMVE-NEXT: [[CONV2:%.*]] = insertelement <4 x i32> [[CONV]], i32 [[D]], i32 1
40 ; CHECK-NOMVE-NEXT: [[CONV3:%.*]] = insertelement <4 x i32> [[CONV2]], i32 [[D]], i32 2
41 ; CHECK-NOMVE-NEXT: [[CONV4:%.*]] = insertelement <4 x i32> [[CONV3]], i32 [[D]], i32 3
42 ; CHECK-NOMVE-NEXT: [[TMP6:%.*]] = add nsw <4 x i32> [[CONV4]], <i32 0, i32 -1, i32 -2, i32 -3>
43 ; CHECK-NOMVE-NEXT: [[CMP:%.*]] = icmp eq <4 x i32> [[TMP6]], zeroinitializer
44 ; CHECK-NOMVE-NEXT: [[CMP_EXT:%.*]] = sext <4 x i1> [[CMP]] to <4 x i32>
45 ; CHECK-NOMVE-NEXT: [[TMP8:%.*]] = extractelement <4 x i32> [[CMP_EXT]], i32 0
46 ; CHECK-NOMVE-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[TMP8]], 0
47 ; CHECK-NOMVE-NEXT: [[TMP10:%.*]] = extractelement <4 x i32> [[V:%.*]], i32 0
48 ; CHECK-NOMVE-NEXT: [[TMP12:%.*]] = extractelement <4 x i32> [[V]], i32 3
49 ; CHECK-NOMVE-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], i32 [[TMP12]], i32 [[TMP10]]
50 ; CHECK-NOMVE-NEXT: [[TMP14:%.*]] = extractelement <4 x i32> [[CMP_EXT]], i32 1
51 ; CHECK-NOMVE-NEXT: [[TOBOOL15:%.*]] = icmp eq i32 [[TMP14]], 0
52 ; CHECK-NOMVE-NEXT: [[TMP20:%.*]] = extractelement <4 x i32> [[V]], i32 1
53 ; CHECK-NOMVE-NEXT: [[COND22:%.*]] = select i1 [[TOBOOL15]], i32 [[COND]], i32 [[TMP20]]
54 ; CHECK-NOMVE-NEXT: [[TMP24:%.*]] = extractelement <4 x i32> [[CMP_EXT]], i32 2
55 ; CHECK-NOMVE-NEXT: [[TOBOOL25:%.*]] = icmp eq i32 [[TMP24]], 0
56 ; CHECK-NOMVE-NEXT: [[TMP30:%.*]] = extractelement <4 x i32> [[V]], i32 2
57 ; CHECK-NOMVE-NEXT: [[COND32:%.*]] = select i1 [[TOBOOL25]], i32 [[COND22]], i32 [[TMP30]]
58 ; CHECK-NOMVE-NEXT: ret i32 [[COND32]]
61 %conv = insertelement <4 x i32> undef, i32 %d, i32 0
62 %conv2 = insertelement <4 x i32> %conv, i32 %d, i32 1
63 %conv3 = insertelement <4 x i32> %conv2, i32 %d, i32 2
64 %conv4 = insertelement <4 x i32> %conv3, i32 %d, i32 3
65 %tmp6 = add nsw <4 x i32> %conv4, <i32 0, i32 -1, i32 -2, i32 -3>
66 %cmp = icmp eq <4 x i32> %tmp6, zeroinitializer
67 %cmp.ext = sext <4 x i1> %cmp to <4 x i32>
68 %tmp8 = extractelement <4 x i32> %cmp.ext, i32 0
69 %tobool = icmp eq i32 %tmp8, 0
70 br i1 %tobool, label %cond.else, label %cond.then
72 return: ; preds = %cond.end28
75 cond.then: ; preds = %entry
76 %tmp10 = extractelement <4 x i32> %v, i32 0
79 cond.else: ; preds = %entry
80 %tmp12 = extractelement <4 x i32> %v, i32 3
83 cond.end: ; preds = %cond.else, %cond.then
84 %cond = phi i32 [ %tmp10, %cond.then ], [ %tmp12, %cond.else ]
85 %tmp14 = extractelement <4 x i32> %cmp.ext, i32 1
86 %tobool15 = icmp eq i32 %tmp14, 0
87 br i1 %tobool15, label %cond.else17, label %cond.then16
89 cond.then16: ; preds = %cond.end
90 %tmp20 = extractelement <4 x i32> %v, i32 1
93 cond.else17: ; preds = %cond.end
96 cond.end18: ; preds = %cond.else17, %cond.then16
97 %cond22 = phi i32 [ %tmp20, %cond.then16 ], [ %cond, %cond.else17 ]
98 %tmp24 = extractelement <4 x i32> %cmp.ext, i32 2
99 %tobool25 = icmp eq i32 %tmp24, 0
100 br i1 %tobool25, label %cond.else27, label %cond.then26
102 cond.then26: ; preds = %cond.end18
103 %tmp30 = extractelement <4 x i32> %v, i32 2
106 cond.else27: ; preds = %cond.end18
109 cond.end28: ; preds = %cond.else27, %cond.then26
110 %cond32 = phi i32 [ %tmp30, %cond.then26 ], [ %cond22, %cond.else27 ]