xref: /llvm-project/llvm/test/Transforms/LoopVectorize/AArch64/pr36032.ll (revision 7d7577256b76e4293f455b8093504d5f7044ab4b)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -passes=loop-vectorize -S -mtriple=aarch64-unknown-linux-gnu -force-vector-interleave=1 -force-vector-width=4 < %s | FileCheck %s
3
4; The test checks that there is no assert caused by issue described in PR36032
5
6target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
7
8%struct.anon = type { i8 }
9
10@c = local_unnamed_addr global [6 x i8] zeroinitializer, align 1
11@b = internal global %struct.anon zeroinitializer, align 1
12
13; Function Attrs: noreturn nounwind
14define void @_Z1dv() local_unnamed_addr #0 {
15; CHECK-LABEL: @_Z1dv(
16; CHECK-NEXT:  entry:
17; CHECK-NEXT:    [[CALL:%.*]] = tail call ptr @"_ZN3$_01aEv"(ptr nonnull @b)
18; CHECK-NEXT:    br label [[FOR_COND:%.*]]
19; CHECK:       for.cond:
20; CHECK-NEXT:    [[F_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD5:%.*]], [[FOR_COND_CLEANUP:%.*]] ]
21; CHECK-NEXT:    [[G_0:%.*]] = phi i32 [ undef, [[ENTRY]] ], [ [[G_1_LCSSA:%.*]], [[FOR_COND_CLEANUP]] ]
22; CHECK-NEXT:    [[CMP12:%.*]] = icmp ult i32 [[G_0]], 4
23; CHECK-NEXT:    [[CONV:%.*]] = and i32 [[F_0]], 65535
24; CHECK-NEXT:    br i1 [[CMP12]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_COND_CLEANUP]]
25; CHECK:       for.body.lr.ph:
26; CHECK-NEXT:    [[TMP0:%.*]] = zext i32 [[G_0]] to i64
27; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
28; CHECK:       for.cond.cleanup.loopexit:
29; CHECK-NEXT:    br label [[FOR_COND_CLEANUP]]
30; CHECK:       for.cond.cleanup:
31; CHECK-NEXT:    [[G_1_LCSSA]] = phi i32 [ [[G_0]], [[FOR_COND]] ], [ 4, [[FOR_COND_CLEANUP_LOOPEXIT:%.*]] ]
32; CHECK-NEXT:    [[ADD5]] = add nuw nsw i32 [[CONV]], 4
33; CHECK-NEXT:    br label [[FOR_COND]]
34; CHECK:       for.body:
35; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[TMP0]], [[FOR_BODY_LR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
36; CHECK-NEXT:    [[TMP1:%.*]] = trunc i64 [[INDVARS_IV]] to i32
37; CHECK-NEXT:    [[ADD:%.*]] = add i32 [[CONV]], [[TMP1]]
38; CHECK-NEXT:    [[IDXPROM:%.*]] = zext i32 [[ADD]] to i64
39; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds [6 x i8], ptr @c, i64 0, i64 [[IDXPROM]]
40; CHECK-NEXT:    [[TMP2:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
41; CHECK-NEXT:    [[ARRAYIDX3:%.*]] = getelementptr inbounds i8, ptr [[CALL]], i64 [[INDVARS_IV]]
42; CHECK-NEXT:    store i8 [[TMP2]], ptr [[ARRAYIDX3]], align 1
43; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
44; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 4
45; CHECK-NEXT:    br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]]
46;
47entry:
48  %call = tail call ptr @"_ZN3$_01aEv"(ptr nonnull @b) #2
49  br label %for.cond
50
51for.cond:                                         ; preds = %for.cond.cleanup, %entry
52  %f.0 = phi i32 [ 0, %entry ], [ %add5, %for.cond.cleanup ]
53  %g.0 = phi i32 [ undef, %entry ], [ %g.1.lcssa, %for.cond.cleanup ]
54  %cmp12 = icmp ult i32 %g.0, 4
55  %conv = and i32 %f.0, 65535
56  br i1 %cmp12, label %for.body.lr.ph, label %for.cond.cleanup
57
58for.body.lr.ph:                                   ; preds = %for.cond
59  %0 = zext i32 %g.0 to i64
60  br label %for.body
61
62for.cond.cleanup.loopexit:                        ; preds = %for.body
63  br label %for.cond.cleanup
64
65for.cond.cleanup:                                 ; preds = %for.cond.cleanup.loopexit, %for.cond
66  %g.1.lcssa = phi i32 [ %g.0, %for.cond ], [ 4, %for.cond.cleanup.loopexit ]
67  %add5 = add nuw nsw i32 %conv, 4
68  br label %for.cond
69
70for.body:                                         ; preds = %for.body, %for.body.lr.ph
71  %indvars.iv = phi i64 [ %0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
72  %1 = trunc i64 %indvars.iv to i32
73  %add = add i32 %conv, %1
74  %idxprom = zext i32 %add to i64
75  %arrayidx = getelementptr inbounds [6 x i8], ptr @c, i64 0, i64 %idxprom
76  %2 = load i8, ptr %arrayidx, align 1
77  %arrayidx3 = getelementptr inbounds i8, ptr %call, i64 %indvars.iv
78  store i8 %2, ptr %arrayidx3, align 1
79  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
80  %exitcond = icmp eq i64 %indvars.iv.next, 4
81  br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
82}
83
84declare ptr @"_ZN3$_01aEv"(ptr) local_unnamed_addr #1
85