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