57 lines
2.7 KiB
LLVM
57 lines
2.7 KiB
LLVM
; REQUIRES: asserts
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; RUN: opt -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
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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"
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; Verify that -vplan-print-in-dot-format option works.
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define void @print_call_and_memory(i64 %n, float* noalias %y, float* noalias %x) nounwind uwtable {
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; CHECK: digraph VPlan {
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; CHECK-NEXT: graph [labelloc=t, fontsize=30; label="Vectorization Plan\nInitial VPlan for VF=\{4\},UF\>=1"]
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; CHECK-NEXT: node [shape=rect, fontname=Courier, fontsize=30]
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; CHECK-NEXT: edge [fontname=Courier, fontsize=30]
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; CHECK-NEXT: compound=true
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; CHECK-NEXT: N0 [label =
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; CHECK-NEXT: "vector.ph:\l" +
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; CHECK-NEXT: "Successor(s): vector loop\l"
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; CHECK-NEXT: ]
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; CHECK-NEXT: N0 -> N1 [ label="" lhead=cluster_N2]
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; CHECK-NEXT: subgraph cluster_N2 {
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; CHECK-NEXT: fontname=Courier
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; CHECK-NEXT: label="\<x1\> vector loop"
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; CHECK-NEXT: N1 [label =
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; CHECK-NEXT: "vector.body:\l" +
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; CHECK-NEXT: " EMIT vp\<[[CAN_IV:%.+]]\> = CANONICAL-INDUCTION\l" +
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; CHECK-NEXT: " vp\<[[STEPS:%.+]]\> = SCALAR-STEPS vp\<[[CAN_IV]]\>, ir\<1\>\l" +
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; CHECK-NEXT: " CLONE ir\<%arrayidx\> = getelementptr ir\<%y\>, vp\<[[STEPS]]\>\l" +
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; CHECK-NEXT: " WIDEN ir\<%lv\> = load ir\<%arrayidx\>\l" +
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; CHECK-NEXT: " WIDEN-CALL ir\<%call\> = call @llvm.sqrt.f32(ir\<%lv\>) (using vector intrinsic)\l" +
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; CHECK-NEXT: " CLONE ir\<%arrayidx2\> = getelementptr ir\<%x\>, vp\<[[STEPS]]\>\l" +
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; CHECK-NEXT: " WIDEN store ir\<%arrayidx2\>, ir\<%call\>\l" +
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; CHECK-NEXT: " EMIT vp\<[[CAN_IV_NEXT:%.+]]\> = VF * UF +(nuw) vp\<[[CAN_IV]]\>\l" +
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; CHECK-NEXT: " EMIT branch-on-count vp\<[[CAN_IV_NEXT]]\> vp\<{{.+}}\>\l" +
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; CHECK-NEXT: "No successors\l"
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; CHECK-NEXT: ]
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;
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entry:
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%cmp6 = icmp sgt i64 %n, 0
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br i1 %cmp6, label %for.body, label %for.end
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for.body: ; preds = %entry, %for.body
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%iv = phi i64 [ %iv.next, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds float, float* %y, i64 %iv
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%lv = load float, float* %arrayidx, align 4
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%call = tail call float @llvm.sqrt.f32(float %lv) nounwind readnone
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%arrayidx2 = getelementptr inbounds float, float* %x, i64 %iv
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store float %call, float* %arrayidx2, align 4
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%iv.next = add i64 %iv, 1
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%exitcond = icmp eq i64 %iv.next, %n
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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ret void
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}
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declare float @llvm.sqrt.f32(float) nounwind readnone
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