42 lines
1.6 KiB
LLVM
42 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3
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; RUN: opt -passes=loop-vectorize -S -force-vector-width=4 -enable-interleaved-mem-accesses=true -debug-only=loop-vectorize < %s 2>&1 | FileCheck %s
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; REQUIRES: asserts
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; This test checks if an unused interleave group is removed by removeDeadRecipes.
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%struct.foo = type { ptr, ptr }
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define void @test_unused_interleave(ptr %src, i32 %length) {
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; CHECK-LABEL: Checking a loop in 'test_unused_interleave'
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; CHECK: VPlan 'Initial VPlan for VF={4},UF>=1' {
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; CHECK-NEXT: Live-in vp<%0> = VF * UF
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; CHECK-NEXT: Live-in vp<%1> = vector-trip-count
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; CHECK-NEXT: Live-in ir<%length> = original trip-count
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; CHECK-EMPTY:
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; CHECK-NEXT: vector.ph:
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; CHECK-NEXT: Successor(s): vector loop
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; CHECK-EMPTY:
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; CHECK-NEXT: <x1> vector loop: {
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; CHECK-NEXT: vector.body:
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; CHECK-NEXT: EMIT vp<%2> = CANONICAL-INDUCTION ir<0>, vp<%3>
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; CHECK-NEXT: EMIT vp<%3> = add nuw vp<%2>, vp<%0>
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; CHECK-NEXT: EMIT branch-on-count vp<%3>, vp<%1>
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; CHECK-NEXT: No successors
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; CHECK-NEXT: }
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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 i32 [ %iv.next, %for.body ], [ 0, %entry ]
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%next19.i.i = getelementptr inbounds %struct.foo, ptr %src, i32 %iv, i32 0
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%load_p1 = load ptr, ptr %next19.i.i, align 4
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%arrayidx15.i.i1427 = getelementptr inbounds %struct.foo, ptr %src, i32 %iv
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%val.i.i = getelementptr inbounds %struct.foo, ptr %arrayidx15.i.i1427, i32 0, i32 1
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%load_p2 = load ptr, ptr %val.i.i, align 4
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%iv.next = add nuw nsw i32 %iv, 1
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%cond = icmp eq i32 %iv.next, %length
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br i1 %cond, label %for.end, label %for.body
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for.end:
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ret void
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}
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