6c8f41d336
As a first step to move towards modeling the full skeleton in VPlan, start by wrapping IR blocks created during legacy skeleton creation in VPIRBasicBlocks and hook them into the VPlan. This means the skeleton CFG is represented in VPlan, just before execute. This allows moving parts of skeleton creation into recipes in the VPBBs gradually. Note that this allows retiring some manual DT updates, as this will be handled automatically during VPlan execution. PR: https://github.com/llvm/llvm-project/pull/114292
46 lines
1.7 KiB
LLVM
46 lines
1.7 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: ir-bb<entry>:
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; CHECK-NEXT: Successor(s): vector.ph
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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<%index.next>
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; CHECK-NEXT: EMIT vp<%index.next> = add nuw vp<%2>, vp<%0>
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; CHECK-NEXT: EMIT branch-on-count vp<%index.next>, 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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