24 lines
801 B
LLVM
24 lines
801 B
LLVM
; RUN: opt -S -loop-vectorize -scalable-vectorization=preferred -prefer-predicate-over-epilogue=predicate-dont-vectorize < %s | FileCheck %s
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; CHECK-NOT: vector.body:
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target triple = "aarch64-unknown-linux-gnu"
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define void @tail_predication(i32 %init, i32* %ptr, i32 %val) #0 {
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entry:
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br label %while.body
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while.body: ; preds = %while.body, %entry
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%index = phi i32 [ %index.dec, %while.body ], [ %init, %entry ]
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%gep = getelementptr i32, i32* %ptr, i32 %index
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store i32 %val, i32* %gep
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%index.dec = add nsw i32 %index, -1
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%cmp10 = icmp sgt i32 %index, 0
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br i1 %cmp10, label %while.body, label %while.end.loopexit
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while.end.loopexit: ; preds = %while.body
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ret void
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}
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attributes #0 = { "target-features"="+sve" }
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