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clang (assertions trunk)
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clang 10.0.0
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Source code
define i32 @test_chained_first_order_recurrences_4() { ; CHECK-LABEL: 'test_chained_first_order_recurrences_4' ; CHECK: VPlan 'Initial VPlan for VF={4},UF>=1' { ; CHECK-NEXT: Live-in vp<%0> = vector-trip-count ; CHECK-NEXT: Live-in ir<4098> = 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<%1> = CANONICAL-INDUCTION ; CHECK-NEXT: FIRST-ORDER-RECURRENCE-PHI ir<%phi349> = phi ir<0>, ir<%mul368> ; CHECK-NEXT: FIRST-ORDER-RECURRENCE-PHI ir<%phi350> = phi ir<0>, ir<%trunc355> ; CHECK-NEXT: vp<%4> = SCALAR-STEPS vp<%1>, ir<1> ; CHECK-NEXT: CLONE ir<%getelementptr354> = getelementptr ir<null>, vp<%4> ; CHECK-NEXT: WIDEN ir<%mul368> = mul ir<0>, ir<0> ; CHECK-NEXT: EMIT vp<%7> = first-order splice ir<%phi349> ir<%mul368> ; CHECK-NEXT: WIDEN-CAST ir<%trunc355> = trunc vp<%7> to i32 ; CHECK-NEXT: EMIT vp<%9> = first-order splice ir<%phi350> ir<%trunc355> ; CHECK-NEXT: WIDEN-CAST ir<%sext> = sext vp<%9> to i64 ; CHECK-NEXT: WIDEN store ir<%getelementptr354>, ir<%sext> ; CHECK-NEXT: EMIT vp<%11> = VF * UF +(nuw) vp<%1> ; CHECK-NEXT: EMIT branch-on-count vp<%11> vp<%0> ; CHECK-NEXT: No successors ; CHECK-NEXT: } ; CHECK-NEXT: Successor(s): middle.block ; CHECK-EMPTY: ; CHECK-NEXT: middle.block: ; CHECK-NEXT: No successors ; CHECK-NEXT: } bb: br label %bb347 bb271: ; preds = %bb347 ret i32 0 bb347: ; preds = %bb347, %bb %phi348 = phi i64 [ %add351, %bb347 ], [ 0, %bb ] %phi349 = phi i64 [ %mul368, %bb347 ], [ 0, %bb ] %phi350 = phi i32 [ %trunc355, %bb347 ], [ 0, %bb ] %add351 = add i64 %phi348, 1 %getelementptr354 = getelementptr i64, ptr addrspace(1) null, i64 %phi348 %trunc355 = trunc i64 %phi349 to i32 %sext = sext i32 %phi350 to i64 store i64 %sext, ptr addrspace(1) %getelementptr354, align 8 %mul368 = mul i64 0, 0 %icmp369 = icmp ugt i64 %phi348, 4096 br i1 %icmp369, label %bb271, label %bb347 }
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