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25 lines
847 B
LLVM
25 lines
847 B
LLVM
; RUN: opt %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck %s
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define void @foo(float* %a, i64 %n) {
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; CHECK: vector.body:
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; CHECK: [[WIDE_LOAD:%.*]] = load <4 x float>, <4 x float>* {{.*}}, align 4
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; CHECK-NEXT: [[TMP4:%.*]] = fneg <4 x float> [[WIDE_LOAD]]
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; CHECK: store <4 x float> [[TMP4]], <4 x float>* {{.*}}, align 4
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;
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entry:
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br label %for.body
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for.body:
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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%arrayidx = getelementptr inbounds float, float* %a, i64 %indvars.iv
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%0 = load float, float* %arrayidx, align 4
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%sub = fneg float %0
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store float %sub, float* %arrayidx, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%cmp = icmp eq i64 %indvars.iv.next, %n
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br i1 %cmp, label %for.exit, label %for.body
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for.exit:
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ret void
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}
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