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; REQUIRES: asserts
; RUN: opt -passes=loop-vectorize -debug-only=loop-vectorize \
; RUN: -force-tail-folding-style=data-with-evl \
; RUN: -prefer-predicate-over-epilogue=predicate-dont-vectorize \
; RUN: -mtriple=powerpc64le-unknown-linux-gnu \
; RUN: -mcpu=pwr10 -disable-output < %s 2>&1 | FileCheck %s
define void @foo(ptr noalias %a, ptr noalias %b, ptr noalias %c, i64 %N) {
; CHECK-LABEL: VPlan 'Initial VPlan for VF={2,4},UF>=1' {
; CHECK-NEXT: Live-in vp<%0> = VF * UF
; CHECK-NEXT: Live-in vp<%1> = vector-trip-count
; CHECK-NEXT: Live-in vp<%2> = backedge-taken count
; CHECK-NEXT: Live-in ir<%N> = original trip-count
; CHECK-EMPTY:
; CHECK-NEXT: vector.ph:
; CHECK-NEXT: Successor(s): vector loop
; CHECK-EMPTY:
; CHECK-NEXT: <x1> vector loop: {
; CHECK-NEXT: vector.body:
; CHECK-NEXT: EMIT vp<%3> = CANONICAL-INDUCTION ir<0>, vp<%16>
; CHECK-NEXT: WIDEN-INDUCTION %iv = phi 0, %iv.next, ir<1>
; CHECK-NEXT: EMIT vp<%5> = icmp ule ir<%iv>, vp<%2>
; CHECK-NEXT: Successor(s): pred.store
; CHECK-EMPTY:
; CHECK-NEXT: <xVFxUF> pred.store: {
; CHECK-NEXT: pred.store.entry:
; CHECK-NEXT: BRANCH-ON-MASK vp<%5>
; CHECK-NEXT: Successor(s): pred.store.if, pred.store.continue
; CHECK-EMPTY:
; CHECK-NEXT: pred.store.if:
; CHECK-NEXT: vp<%6> = SCALAR-STEPS vp<%3>, ir<1>
; CHECK-NEXT: REPLICATE ir<%arrayidx> = getelementptr inbounds ir<%b>, vp<%6>
; CHECK-NEXT: REPLICATE ir<%0> = load ir<%arrayidx>
; CHECK-NEXT: REPLICATE ir<%arrayidx2> = getelementptr inbounds ir<%c>, vp<%6>
; CHECK-NEXT: REPLICATE ir<%1> = load ir<%arrayidx2>
; CHECK-NEXT: REPLICATE ir<%arrayidx4> = getelementptr inbounds ir<%a>, vp<%6>
; CHECK-NEXT: REPLICATE ir<%add> = add nsw ir<%1>, ir<%0>
; CHECK-NEXT: REPLICATE store ir<%add>, ir<%arrayidx4>
; CHECK-NEXT: Successor(s): pred.store.continue
; CHECK-EMPTY:
; CHECK-NEXT: pred.store.continue:
; CHECK-NEXT: PHI-PREDICATED-INSTRUCTION vp<%14> = ir<%0>
; CHECK-NEXT: PHI-PREDICATED-INSTRUCTION vp<%15> = ir<%1>
; CHECK-NEXT: No successors
; CHECK-NEXT: }
; CHECK-NEXT: Successor(s): for.body.2
; CHECK-EMPTY:
; CHECK-NEXT: for.body.2:
; CHECK-NEXT: EMIT vp<%16> = add vp<%3>, vp<%0>
; CHECK-NEXT: EMIT branch-on-count vp<%16>, vp<%1>
; CHECK-NEXT: No successors
; CHECK-NEXT: }
;
entry:
br label %for.body
for.body:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]
%arrayidx = getelementptr inbounds i32, ptr %b, i64 %iv
%0 = load i32, ptr %arrayidx, align 4
%arrayidx2 = getelementptr inbounds i32, ptr %c, i64 %iv
%1 = load i32, ptr %arrayidx2, align 4
%add = add nsw i32 %1, %0
%arrayidx4 = getelementptr inbounds i32, ptr %a, i64 %iv
store i32 %add, ptr %arrayidx4, align 4
%iv.next = add nuw nsw i64 %iv, 1
%exitcond.not = icmp eq i64 %iv.next, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
}
define void @safe_dep(ptr %p) {
; CHECK-LABEL: VPlan 'Initial VPlan for VF={2},UF>=1' {
; CHECK-NEXT: Live-in vp<%0> = VF * UF
; CHECK-NEXT: Live-in vp<%1> = vector-trip-count
; CHECK-NEXT: Live-in ir<512> = original trip-count
; CHECK-EMPTY:
; CHECK-NEXT: vector.ph:
; CHECK-NEXT: Successor(s): vector loop
; CHECK-EMPTY:
; CHECK-NEXT: <x1> vector loop: {
; CHECK-NEXT: vector.body:
; CHECK-NEXT: EMIT vp<%2> = CANONICAL-INDUCTION ir<0>, vp<%10>
; CHECK-NEXT: vp<%3> = SCALAR-STEPS vp<%2>, ir<1>
; CHECK-NEXT: CLONE ir<%a1> = getelementptr ir<%p>, vp<%3>
; CHECK-NEXT: vp<%5> = vector-pointer ir<%a1>
; CHECK-NEXT: WIDEN ir<%v> = load vp<%5>
; CHECK-NEXT: CLONE ir<%offset> = add vp<%3>, ir<100>
; CHECK-NEXT: CLONE ir<%a2> = getelementptr ir<%p>, ir<%offset>
; CHECK-NEXT: vp<%9> = vector-pointer ir<%a2>
; CHECK-NEXT: WIDEN store vp<%9>, ir<%v>
; CHECK-NEXT: EMIT vp<%10> = add nuw vp<%2>, vp<%0>
; CHECK-NEXT: EMIT branch-on-count vp<%10>, vp<%1>
; CHECK-NEXT: No successors
; CHECK-NEXT: }
;
entry:
br label %loop
loop:
%iv = phi i64 [0, %entry], [%iv.next, %loop]
%a1 = getelementptr i64, ptr %p, i64 %iv
%v = load i64, ptr %a1, align 32
%offset = add i64 %iv, 100
%a2 = getelementptr i64, ptr %p, i64 %offset
store i64 %v, ptr %a2, align 32
%iv.next = add i64 %iv, 1
%cmp = icmp ne i64 %iv, 511
br i1 %cmp, label %loop, label %exit
exit:
ret void
}
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