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; RUN: opt < %s -passes=loop-vectorize -mtriple x86_64 -S | FileCheck %s
%struct.ST4 = type { i32, i32, i32, i32 }
; The gaps between the memory access in this function are too large for
; interleaving.
; Test from https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7560
define void @test1(ptr noalias %B) {
; CHECK-LABEL: @test1
; CHECK-NEXT: entry:
; CHECK-NEXT: br label %for.body
; CHECK-LABEL: for.body:
; CHECK: store i32
; CHECK: store i32
; CHECK: store i32
; CHECK: store i32
; CHECK-NOT: store
;
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
%p1 = getelementptr inbounds %struct.ST4, ptr %B, i64 %indvars.iv, i32 0
store i32 65536, ptr %p1, align 4
%p2 = getelementptr i32, ptr %p1, i32 -2147483648
store i32 65536, ptr %p2, align 4
%p3 = getelementptr inbounds %struct.ST4, ptr %B, i64 %indvars.iv, i32 2
store i32 10, ptr %p3, align 4
%p4 = getelementptr inbounds %struct.ST4, ptr %B, i64 %indvars.iv, i32 3
store i32 12, ptr %p4, align 4
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond = icmp eq i64 %indvars.iv.next, 1024
br i1 %exitcond, label %for.cond.cleanup, label %for.body
for.cond.cleanup: ; preds = %for.body
ret void
}
; Make sure interleave groups with a key being the special 'empty' value for
; the map do not cause a crash.
define void @test_gap_empty_key() {
; CHECK-LABEL: @test_gap_empty_key()
; CHECK-NEXT: entry:
; CHECK-NEXT: br label %for.body
; CHECK-LABEL: for.body:
; CHECK: store i32
; CHECK: store i32
; CHECK-NOT: store
;
entry:
br label %for.body
for.body:
%iv = phi i64 [ 1, %entry ], [ %iv.next, %for.body ]
%iv.next = add nsw i64 %iv, 1
%arrayidx = getelementptr inbounds [3 x i32], ptr undef, i64 0, i64 %iv.next
%G2 = getelementptr i32, ptr %arrayidx, i64 %iv.next
%G9 = getelementptr i32, ptr %G2, i32 -2147483647
store i32 0, ptr %G2
store i32 1, ptr %G9
%cmp = icmp ule i64 %iv, 1000
br i1 false, label %for.body, label %exit
exit:
ret void
}
; Make sure interleave groups with a key being the special 'tombstone' value for
; the map do not cause a crash.
define void @test_tombstone_key() {
; CHECK-LABEL: @test_tombstone_key()
; CHECK-NEXT: entry:
; CHECK-NEXT: br label %for.body
; CHECK-LABEL: for.body:
; CHECK: store i32
; CHECK: store i32
; CHECK-NOT: store
;
entry:
br label %for.body
for.body:
%iv = phi i64 [ 1, %entry ], [ %iv.next, %for.body ]
%iv.next = add nsw i64 %iv, 1
%arrayidx = getelementptr inbounds [3 x i32], ptr undef, i64 0, i64 %iv.next
%G2 = getelementptr i32, ptr %arrayidx, i64 %iv.next
%G9 = getelementptr i32, ptr %G2, i32 -2147483648
store i32 0, ptr %G2
store i32 1, ptr %G9
%cmp = icmp ule i64 %iv, 1000
br i1 false, label %for.body, label %exit
exit:
ret void
}
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