98db27711d
No widening decisions will be computed for instructions outside the loop. Do not try to get a widening decision. The load/store will be just a scalar load, so treating at as normal should be fine I think. Fixes PR46950. Reviewed By: dmgreen Differential Revision: https://reviews.llvm.org/D85087
26 lines
573 B
LLVM
26 lines
573 B
LLVM
; RUN: opt -loop-vectorize %s -mtriple=arm64-apple-iphoneos -S | FileCheck %s
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; CHECK-LABEL: define void @test(
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; CHECK: vector.body
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define void @test(i64* %dst, i32* %src) {
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entry:
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%l = load i32, i32* %src
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br label %loop.ph
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loop.ph:
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br label %loop
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loop:
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%iv = phi i64 [ 0, %loop.ph ], [ %iv.next, %loop ]
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%l.cast = sext i32 %l to i64
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%dst.idx = getelementptr i64, i64* %dst, i64 %iv
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store i64 %l.cast, i64* %dst.idx
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%iv.next = add nuw nsw i64 %iv, 1
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%cmp9.us = icmp ult i64 %iv.next, 20
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br i1 %cmp9.us, label %loop, label %exit
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exit:
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ret void
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}
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