| ; RUN: opt < %s -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(%struct.ST4* 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, %struct.ST4* %B, i64 %indvars.iv, i32 0 |
| store i32 65536, i32* %p1, align 4 |
| %p2 = getelementptr i32, i32* %p1, i32 -2147483648 |
| store i32 65536, i32* %p2, align 4 |
| %p3 = getelementptr inbounds %struct.ST4, %struct.ST4* %B, i64 %indvars.iv, i32 2 |
| store i32 10, i32* %p3, align 4 |
| %p4 = getelementptr inbounds %struct.ST4, %struct.ST4* %B, i64 %indvars.iv, i32 3 |
| store i32 12, i32* %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], [3 x i32]* undef, i64 0, i64 %iv.next |
| %G2 = getelementptr i32, i32* %arrayidx, i64 %iv.next |
| %G9 = getelementptr i32, i32* %G2, i32 -2147483647 |
| store i32 0, i32* %G2 |
| store i32 1, i32* %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], [3 x i32]* undef, i64 0, i64 %iv.next |
| %G2 = getelementptr i32, i32* %arrayidx, i64 %iv.next |
| %G9 = getelementptr i32, i32* %G2, i32 -2147483648 |
| store i32 0, i32* %G2 |
| store i32 1, i32* %G9 |
| %cmp = icmp ule i64 %iv, 1000 |
| br i1 false, label %for.body, label %exit |
| |
| exit: |
| ret void |
| } |