97 lines
4.2 KiB
LLVM
97 lines
4.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 5
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; RUN: opt -passes='print<access-info>' -disable-output %s 2>&1 | FileCheck --check-prefix=DEFAULT %s
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; RUN: opt -passes='print<access-info>' -disable-output -max-dependences=5 %s 2>&1 | FileCheck --check-prefix=MAXDEP5 %s
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define void @dependences_with_strides(ptr %dst, i64 %stride) {
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; DEFAULT-LABEL: 'dependences_with_strides'
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; DEFAULT-NEXT: loop:
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; DEFAULT-NEXT: Memory dependences are safe with run-time checks
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; DEFAULT-NEXT: Dependences:
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; DEFAULT-NEXT: Run-time memory checks:
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; DEFAULT-NEXT: Check 0:
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; DEFAULT-NEXT: Comparing group GRP0:
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; DEFAULT-NEXT: %ptr.iv = phi ptr [ %dst, %entry ], [ %ptr.iv.next, %loop ]
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; DEFAULT-NEXT: Against group GRP1:
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; DEFAULT-NEXT: %gep.stride = getelementptr i16, ptr %ptr.iv, i64 %stride
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; DEFAULT-NEXT: Check 1:
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; DEFAULT-NEXT: Comparing group GRP0:
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; DEFAULT-NEXT: %ptr.iv = phi ptr [ %dst, %entry ], [ %ptr.iv.next, %loop ]
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; DEFAULT-NEXT: Against group GRP2:
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; DEFAULT-NEXT: ptr %dst
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; DEFAULT-NEXT: Check 2:
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; DEFAULT-NEXT: Comparing group GRP1:
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; DEFAULT-NEXT: %gep.stride = getelementptr i16, ptr %ptr.iv, i64 %stride
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; DEFAULT-NEXT: Against group GRP2:
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; DEFAULT-NEXT: ptr %dst
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; DEFAULT-NEXT: Grouped accesses:
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; DEFAULT-NEXT: Group GRP0:
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; DEFAULT-NEXT: (Low: %dst High: (4 + %dst))
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; DEFAULT-NEXT: Member: {%dst,+,2}<nw><%loop>
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; DEFAULT-NEXT: Group GRP1:
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; DEFAULT-NEXT: (Low: ((2 * %stride) + %dst) High: (4 + (2 * %stride) + %dst))
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; DEFAULT-NEXT: Member: {((2 * %stride) + %dst),+,2}<nw><%loop>
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; DEFAULT-NEXT: Group GRP2:
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; DEFAULT-NEXT: (Low: %dst High: (2 + %dst))
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; DEFAULT-NEXT: Member: %dst
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; DEFAULT-EMPTY:
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; DEFAULT-NEXT: Non vectorizable stores to invariant address were not found in loop.
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; DEFAULT-NEXT: SCEV assumptions:
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; DEFAULT-EMPTY:
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; DEFAULT-NEXT: Expressions re-written:
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;
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; MAXDEP5-LABEL: 'dependences_with_strides'
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; MAXDEP5-NEXT: loop:
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; MAXDEP5-NEXT: Memory dependences are safe with run-time checks
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; MAXDEP5-NEXT: Too many dependences, not recorded
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; MAXDEP5-NEXT: Run-time memory checks:
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; MAXDEP5-NEXT: Check 0:
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; MAXDEP5-NEXT: Comparing group GRP0:
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; MAXDEP5-NEXT: %ptr.iv = phi ptr [ %dst, %entry ], [ %ptr.iv.next, %loop ]
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; MAXDEP5-NEXT: Against group GRP1:
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; MAXDEP5-NEXT: %gep.stride = getelementptr i16, ptr %ptr.iv, i64 %stride
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; MAXDEP5-NEXT: Check 1:
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; MAXDEP5-NEXT: Comparing group GRP0:
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; MAXDEP5-NEXT: %ptr.iv = phi ptr [ %dst, %entry ], [ %ptr.iv.next, %loop ]
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; MAXDEP5-NEXT: Against group GRP2:
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; MAXDEP5-NEXT: ptr %dst
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; MAXDEP5-NEXT: Check 2:
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; MAXDEP5-NEXT: Comparing group GRP1:
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; MAXDEP5-NEXT: %gep.stride = getelementptr i16, ptr %ptr.iv, i64 %stride
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; MAXDEP5-NEXT: Against group GRP2:
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; MAXDEP5-NEXT: ptr %dst
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; MAXDEP5-NEXT: Grouped accesses:
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; MAXDEP5-NEXT: Group GRP0:
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; MAXDEP5-NEXT: (Low: %dst High: (4 + %dst))
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; MAXDEP5-NEXT: Member: {%dst,+,2}<nw><%loop>
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; MAXDEP5-NEXT: Group GRP1:
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; MAXDEP5-NEXT: (Low: ((2 * %stride) + %dst) High: (4 + (2 * %stride) + %dst))
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; MAXDEP5-NEXT: Member: {((2 * %stride) + %dst),+,2}<nw><%loop>
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; MAXDEP5-NEXT: Group GRP2:
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; MAXDEP5-NEXT: (Low: %dst High: (2 + %dst))
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; MAXDEP5-NEXT: Member: %dst
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; MAXDEP5-EMPTY:
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; MAXDEP5-NEXT: Non vectorizable stores to invariant address were not found in loop.
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; MAXDEP5-NEXT: SCEV assumptions:
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; MAXDEP5-EMPTY:
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; MAXDEP5-NEXT: Expressions re-written:
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;
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entry:
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br label %loop
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loop:
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%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
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%ptr.iv = phi ptr [ %dst, %entry ], [ %ptr.iv.next, %loop ]
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store i16 0, ptr %ptr.iv, align 2
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%gep.stride = getelementptr i16, ptr %ptr.iv, i64 %stride
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store i16 0, ptr %gep.stride, align 2
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store i16 0, ptr %dst, align 2
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store i16 0, ptr %ptr.iv, align 2
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%ptr.iv.next = getelementptr i8, ptr %ptr.iv, i64 2
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%iv.next = add i32 %iv, 1
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%exitcond.not = icmp eq i32 %iv, 1
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br i1 %exitcond.not, label %exit, label %loop
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exit:
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ret void
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}
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