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; REQUIRES: asserts
; RUN: opt -passes=loop-vectorize -debug-only=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -vplan-print-in-dot-format -disable-output %s 2>&1 | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
; Verify that -vplan-print-in-dot-format option works.
define void @print_call_and_memory(i64 %n, ptr noalias %y, ptr noalias %x) nounwind uwtable {
; CHECK: digraph VPlan {
; CHECK-NEXT: graph [labelloc=t, fontsize=30; label="Vectorization Plan\nInitial VPlan for VF=\{4\},UF\>=1"]
; CHECK-NEXT: node [shape=rect, fontname=Courier, fontsize=30]
; CHECK-NEXT: edge [fontname=Courier, fontsize=30]
; CHECK-NEXT: compound=true
; CHECK-NEXT: N0 [label =
; CHECK-NEXT: "ph:\l" +
; CHECK-NEXT: "No successors\l"
; CHECK-NEXT: ]
; CHECK-NEXT: N1 [label =
; CHECK-NEXT: "vector.ph:\l" +
; CHECK-NEXT: "Successor(s): vector loop\l"
; CHECK-NEXT: ]
; CHECK-NEXT: N1 -> N2 [ label="" lhead=cluster_N3]
; CHECK-NEXT: subgraph cluster_N3 {
; CHECK-NEXT: fontname=Courier
; CHECK-NEXT: label="\<x1\> vector loop"
; CHECK-NEXT: N2 [label =
; CHECK-NEXT: "vector.body:\l" +
; CHECK-NEXT: " EMIT vp\<[[CAN_IV:%.+]]\> = CANONICAL-INDUCTION\l" +
; CHECK-NEXT: " vp\<[[STEPS:%.+]]\> = SCALAR-STEPS vp\<[[CAN_IV]]\>, ir\<1\>\l" +
; CHECK-NEXT: " CLONE ir\<%arrayidx\> = getelementptr inbounds ir\<%y\>, vp\<[[STEPS]]\>\l" +
; CHECK-NEXT: " WIDEN ir\<%lv\> = load ir\<%arrayidx\>\l" +
; CHECK-NEXT: " WIDEN-CALL ir\<%call\> = call @llvm.sqrt.f32(ir\<%lv\>) (using vector intrinsic)\l" +
; CHECK-NEXT: " CLONE ir\<%arrayidx2\> = getelementptr inbounds ir\<%x\>, vp\<[[STEPS]]\>\l" +
; CHECK-NEXT: " WIDEN store ir\<%arrayidx2\>, ir\<%call\>\l" +
; CHECK-NEXT: " EMIT vp\<[[CAN_IV_NEXT:%.+]]\> = VF * UF +(nuw) vp\<[[CAN_IV]]\>\l" +
; CHECK-NEXT: " EMIT branch-on-count vp\<[[CAN_IV_NEXT]]\> vp\<{{.+}}\>\l" +
; CHECK-NEXT: "No successors\l"
; CHECK-NEXT: ]
;
entry:
%cmp6 = icmp sgt i64 %n, 0
br i1 %cmp6, label %for.body, label %for.end
for.body: ; preds = %entry, %for.body
%iv = phi i64 [ %iv.next, %for.body ], [ 0, %entry ]
%arrayidx = getelementptr inbounds float, ptr %y, i64 %iv
%lv = load float, ptr %arrayidx, align 4
%call = tail call float @llvm.sqrt.f32(float %lv) nounwind readnone
%arrayidx2 = getelementptr inbounds float, ptr %x, i64 %iv
store float %call, ptr %arrayidx2, align 4
%iv.next = add i64 %iv, 1
%exitcond = icmp eq i64 %iv.next, %n
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
ret void
}
declare float @llvm.sqrt.f32(float) nounwind readnone
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