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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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38
external/llvm/test/Transforms/LoopVectorize/AArch64/interleaved-vs-scalar.ll vendored
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@ -1,38 +0,0 @@
; REQUIRES: asserts
; RUN: opt < %s -force-vector-width=2 -force-vector-interleave=1 -loop-vectorize -S --debug-only=loop-vectorize 2>&1 | FileCheck %s
; This test shows extremely high interleaving cost that, probably, should be fixed.
; Due to the high cost, interleaving is not beneficial and the cost model chooses to scalarize
; the load instructions.
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64--linux-gnu"
%pair = type { i8, i8 }
; CHECK-LABEL: test
; CHECK: Found an estimated cost of 20 for VF 2 For instruction: {{.*}} load i8
; CHECK: Found an estimated cost of 0 for VF 2 For instruction: {{.*}} load i8
; CHECK: vector.body
; CHECK: load i8
; CHECK: load i8
; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body
define void @test(%pair* %p, i64 %n) {
entry:
br label %for.body
for.body:
%i = phi i64 [ 0, %entry ], [ %i.next, %for.body ]
%tmp0 = getelementptr %pair, %pair* %p, i64 %i, i32 0
%tmp1 = load i8, i8* %tmp0, align 1
%tmp2 = getelementptr %pair, %pair* %p, i64 %i, i32 1
%tmp3 = load i8, i8* %tmp2, align 1
%i.next = add nuw nsw i64 %i, 1
%cond = icmp eq i64 %i.next, %n
br i1 %cond, label %for.end, label %for.body
for.end:
ret void
}