32 lines
1.1 KiB
LLVM
32 lines
1.1 KiB
LLVM
; RUN: opt -S -loop-vectorize -mattr=+sve -mtriple aarch64-unknown-linux-gnu -force-vector-width=2 -pass-remarks-analysis=loop-vectorize -pass-remarks-missed=loop-vectorize < %s 2>%t | FileCheck %s
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; RUN: FileCheck %s --check-prefix=CHECK-REMARKS < %t
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; CHECK-REMARKS: UserVF ignored because of invalid costs.
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; CHECK-REMARKS: Instruction with invalid costs prevented vectorization at VF=(vscale x 1, vscale x 2): alloca
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; CHECK-REMARKS: Instruction with invalid costs prevented vectorization at VF=(vscale x 1): store
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define void @alloca(i32** %vla, i64 %N) {
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; CHECK-LABEL: @alloca(
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; CHECK-NOT: <vscale x
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entry:
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br label %for.body
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for.body:
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%iv = phi i64 [ %iv.next, %for.body ], [ 0, %entry ]
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%alloca = alloca i32, align 16
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%arrayidx = getelementptr inbounds i32*, i32** %vla, i64 %iv
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store i32* %alloca, i32** %arrayidx, align 8
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%iv.next = add nuw nsw i64 %iv, 1
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%exitcond.not = icmp eq i64 %iv.next, %N
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br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0
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for.end:
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call void @foo(i32** nonnull %vla)
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ret void
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}
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declare void @foo(i32**)
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!0 = !{!0, !1}
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!1 = !{!"llvm.loop.vectorize.scalable.enable", i1 true}
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