xref: /llvm-project/llvm/test/Transforms/SLPVectorizer/X86/ashr-node-with-poison.ll (revision f4974e09312afc9549fcfc0304b738d235da9eca)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
2; RUN: opt -S --passes=slp-vectorizer -mtriple=x86_64-unknown-linux < %s | FileCheck %s
3
4define i32 @test(ptr %n, i32 %conv57, i1 %tobool5.not, i64 %bf.load14) {
5; CHECK-LABEL: define i32 @test(
6; CHECK-SAME: ptr [[N:%.*]], i32 [[CONV57:%.*]], i1 [[TOBOOL5_NOT:%.*]], i64 [[BF_LOAD14:%.*]]) {
7; CHECK-NEXT:  [[ENTRY:.*]]:
8; CHECK-NEXT:    br i1 false, label %[[ENTRY_IF_END54_CRIT_EDGE:.*]], label %[[WHILE_COND:.*]]
9; CHECK:       [[ENTRY_IF_END54_CRIT_EDGE]]:
10; CHECK-NEXT:    br label %[[IF_END54:.*]]
11; CHECK:       [[TTHREAD_PRE_SPLIT:.*]]:
12; CHECK-NEXT:    br label %[[T:.*]]
13; CHECK:       [[T]]:
14; CHECK-NEXT:    [[W_2:%.*]] = phi i32 [ 1, %[[TTHREAD_PRE_SPLIT]] ], [ 0, %[[IF_END83:.*]] ]
15; CHECK-NEXT:    br label %[[IF_END7:.*]]
16; CHECK:       [[T_U_CRIT_EDGE:.*]]:
17; CHECK-NEXT:    br label %[[IF_END7]]
18; CHECK:       [[IF_END7]]:
19; CHECK-NEXT:    [[W_4:%.*]] = phi i32 [ [[W_2]], %[[T]] ], [ [[W_2]], %[[T_U_CRIT_EDGE]] ], [ [[BF_CAST25:%.*]], %[[WHILE_BODY:.*]] ]
20; CHECK-NEXT:    [[A_4:%.*]] = phi i32 [ 0, %[[T]] ], [ [[CONV57]], %[[T_U_CRIT_EDGE]] ], [ [[BF_CAST2910:%.*]], %[[WHILE_BODY]] ]
21; CHECK-NEXT:    [[B_4:%.*]] = phi i32 [ 0, %[[T]] ], [ 0, %[[T_U_CRIT_EDGE]] ], [ [[BF_CAST2910]], %[[WHILE_BODY]] ]
22; CHECK-NEXT:    [[C_4:%.*]] = phi i32 [ 0, %[[T]] ], [ 1, %[[T_U_CRIT_EDGE]] ], [ poison, %[[WHILE_BODY]] ]
23; CHECK-NEXT:    br label %[[V:.*]]
24; CHECK:       [[WHILE_COND]]:
25; CHECK-NEXT:    [[BF_LOAD66_PRE_PRE1135:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[SPEC_SELECT:%.*]], %[[IF_END42:.*]] ]
26; CHECK-NEXT:    br i1 [[TOBOOL5_NOT]], label %[[IF_END54]], label %[[WHILE_BODY]]
27; CHECK:       [[WHILE_BODY]]:
28; CHECK-NEXT:    [[BF_ASHR24:%.*]] = ashr i64 [[BF_LOAD14]], 33
29; CHECK-NEXT:    [[BF_CAST25]] = trunc nsw i64 [[BF_ASHR24]] to i32
30; CHECK-NEXT:    [[BF_ASHR28:%.*]] = lshr i64 [[BF_LOAD14]], 1
31; CHECK-NEXT:    [[BF_CAST2910]] = trunc i64 [[BF_ASHR28]] to i32
32; CHECK-NEXT:    br label %[[IF_END7]]
33; CHECK:       [[IF_END36:.*]]:
34; CHECK-NEXT:    br label %[[V]]
35; CHECK:       [[V]]:
36; CHECK-NEXT:    [[C_7:%.*]] = phi i32 [ [[C_4]], %[[IF_END7]] ], [ 0, %[[IF_END36]] ]
37; CHECK-NEXT:    br i1 true, label %[[IF_END42]], label %[[V_IF_END83_CRIT_EDGE:.*]]
38; CHECK:       [[V_IF_END83_CRIT_EDGE]]:
39; CHECK-NEXT:    br label %[[IF_END83]]
40; CHECK:       [[IF_END42]]:
41; CHECK-NEXT:    [[TOBOOL43_NOT:%.*]] = icmp eq i32 [[B_4]], 0
42; CHECK-NEXT:    [[NARROW:%.*]] = select i1 [[TOBOOL43_NOT]], i32 0, i32 [[W_4]]
43; CHECK-NEXT:    [[SPEC_SELECT]] = zext i32 [[NARROW]] to i64
44; CHECK-NEXT:    [[BF_VALUE48:%.*]] = zext i32 [[A_4]] to i64
45; CHECK-NEXT:    store i64 [[BF_VALUE48]], ptr [[N]], align 8
46; CHECK-NEXT:    store i32 [[C_7]], ptr [[N]], align 4
47; CHECK-NEXT:    br label %[[WHILE_COND]]
48; CHECK:       [[IF_END54]]:
49; CHECK-NEXT:    [[BF_LOAD66_PRE_PRE113125:%.*]] = phi i64 [ [[BF_LOAD66_PRE_PRE1135]], %[[WHILE_COND]] ], [ poison, %[[ENTRY_IF_END54_CRIT_EDGE]] ]
50; CHECK-NEXT:    [[TMP0:%.*]] = icmp eq i64 [[BF_LOAD66_PRE_PRE113125]], 0
51; CHECK-NEXT:    br i1 [[TMP0]], label %[[IF_END83]], label %[[AI_IF_END76_CRIT_EDGE:.*]]
52; CHECK:       [[AI_IF_END76_CRIT_EDGE]]:
53; CHECK-NEXT:    br label %[[IF_END83]]
54; CHECK:       [[IF_END83]]:
55; CHECK-NEXT:    br label %[[T]]
56;
57entry:
58  br i1 false, label %entry.if.end54_crit_edge, label %while.cond
59
60entry.if.end54_crit_edge:
61  br label %if.end54
62
63tthread-pre-split:
64  br label %t
65
66t:
67  %w.2 = phi i32 [ 1, %tthread-pre-split ], [ 0, %if.end83 ]
68  br label %if.end7
69
70t.u_crit_edge:
71  br label %if.end7
72
73if.end7:
74  %w.4 = phi i32 [ %w.2, %t ], [ %w.2, %t.u_crit_edge ], [ %bf.cast25, %while.body ]
75  %a.4 = phi i32 [ 0, %t ], [ %conv57, %t.u_crit_edge ], [ %bf.cast2910, %while.body ]
76  %b.4 = phi i32 [ 0, %t ], [ 0, %t.u_crit_edge ], [ %bf.cast2910, %while.body ]
77  %c.4 = phi i32 [ 0, %t ], [ 1, %t.u_crit_edge ], [ poison, %while.body ]
78  br label %v
79
80while.cond:
81  %bf.load66.pre.pre1135 = phi i64 [ 0, %entry ], [ %spec.select, %if.end42 ]
82  br i1 %tobool5.not, label %if.end54, label %while.body
83
84while.body:
85  %bf.ashr24 = ashr i64 %bf.load14, 33
86  %bf.cast25 = trunc nsw i64 %bf.ashr24 to i32
87  %bf.ashr28 = lshr i64 %bf.load14, 1
88  %bf.cast2910 = trunc i64 %bf.ashr28 to i32
89  br label %if.end7
90
91if.end36:
92  br label %v
93
94v:
95  %c.7 = phi i32 [ %c.4, %if.end7 ], [ 0, %if.end36 ]
96  br i1 true, label %if.end42, label %v.if.end83_crit_edge
97
98v.if.end83_crit_edge:
99  br label %if.end83
100
101if.end42:
102  %tobool43.not = icmp eq i32 %b.4, 0
103  %narrow = select i1 %tobool43.not, i32 0, i32 %w.4
104  %spec.select = zext i32 %narrow to i64
105  %bf.value48 = zext i32 %a.4 to i64
106  store i64 %bf.value48, ptr %n, align 8
107  store i32 %c.7, ptr %n, align 4
108  br label %while.cond
109
110if.end54:
111  %bf.load66.pre.pre113125 = phi i64 [ %bf.load66.pre.pre1135, %while.cond ], [ poison, %entry.if.end54_crit_edge ]
112  %0 = icmp eq i64 %bf.load66.pre.pre113125, 0
113  br i1 %0, label %if.end83, label %ai.if.end76_crit_edge
114
115ai.if.end76_crit_edge:
116  br label %if.end83
117
118if.end83:
119  br label %t
120}
121