forked from OSchip/llvm-project
64 lines
2.4 KiB
LLVM
64 lines
2.4 KiB
LLVM
; RUN: opt < %s -loop-vectorize -simplifycfg -S | FileCheck %s
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; RUN: opt < %s -force-vector-width=2 -loop-vectorize -simplifycfg -S | FileCheck %s
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target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64--linux-gnu"
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; CHECK-LABEL: predicated_udiv_scalarized_operand
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;
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; This test checks that we correctly compute the scalarized operands for a
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; user-specified vectorization factor when interleaving is disabled. We use the
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; "optsize" attribute to disable all interleaving calculations.
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;
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; CHECK: vector.body:
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; CHECK: %wide.load = load <2 x i64>, <2 x i64>* {{.*}}, align 4
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; CHECK: br i1 {{.*}}, label %[[IF0:.+]], label %[[CONT0:.+]]
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; CHECK: [[IF0]]:
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; CHECK: %[[T00:.+]] = extractelement <2 x i64> %wide.load, i32 0
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; CHECK: %[[T01:.+]] = extractelement <2 x i64> %wide.load, i32 0
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; CHECK: %[[T02:.+]] = add nsw i64 %[[T01]], %x
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; CHECK: %[[T03:.+]] = udiv i64 %[[T00]], %[[T02]]
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; CHECK: %[[T04:.+]] = insertelement <2 x i64> undef, i64 %[[T03]], i32 0
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; CHECK: br label %[[CONT0]]
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; CHECK: [[CONT0]]:
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; CHECK: %[[T05:.+]] = phi <2 x i64> [ undef, %vector.body ], [ %[[T04]], %[[IF0]] ]
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; CHECK: br i1 {{.*}}, label %[[IF1:.+]], label %[[CONT1:.+]]
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; CHECK: [[IF1]]:
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; CHECK: %[[T06:.+]] = extractelement <2 x i64> %wide.load, i32 1
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; CHECK: %[[T07:.+]] = extractelement <2 x i64> %wide.load, i32 1
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; CHECK: %[[T08:.+]] = add nsw i64 %[[T07]], %x
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; CHECK: %[[T09:.+]] = udiv i64 %[[T06]], %[[T08]]
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; CHECK: %[[T10:.+]] = insertelement <2 x i64> %[[T05]], i64 %[[T09]], i32 1
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; CHECK: br label %[[CONT1]]
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; CHECK: [[CONT1]]:
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; CHECK: phi <2 x i64> [ %[[T05]], %[[CONT0]] ], [ %[[T10]], %[[IF1]] ]
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; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body
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define i64 @predicated_udiv_scalarized_operand(i64* %a, i1 %c, i64 %x) optsize {
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entry:
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br label %for.body
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for.body:
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%i = phi i64 [ 0, %entry ], [ %i.next, %for.inc ]
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%r = phi i64 [ 0, %entry ], [ %tmp6, %for.inc ]
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%tmp0 = getelementptr inbounds i64, i64* %a, i64 %i
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%tmp2 = load i64, i64* %tmp0, align 4
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br i1 %c, label %if.then, label %for.inc
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if.then:
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%tmp3 = add nsw i64 %tmp2, %x
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%tmp4 = udiv i64 %tmp2, %tmp3
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br label %for.inc
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for.inc:
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%tmp5 = phi i64 [ %tmp2, %for.body ], [ %tmp4, %if.then]
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%tmp6 = add i64 %r, %tmp5
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%i.next = add nuw nsw i64 %i, 1
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%cond = icmp slt i64 %i.next, 100
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br i1 %cond, label %for.body, label %for.end
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for.end:
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%tmp7 = phi i64 [ %tmp6, %for.inc ]
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ret i64 %tmp7
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}
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