14 lines
916 B
LLVM
14 lines
916 B
LLVM
; RUN: opt -passes=instcombine -S -o - < %s | FileCheck %s
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define <vscale x 2 x float> @shrink_splat_scalable_extend(<vscale x 2 x float> %a) {
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; CHECK-LABEL: @shrink_splat_scalable_extend
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; CHECK-NEXT: %[[FADD:.*]] = fadd <vscale x 2 x float> %a, shufflevector (<vscale x 2 x float> insertelement (<vscale x 2 x float> undef, float -1.000000e+00, i32 0), <vscale x 2 x float> undef, <vscale x 2 x i32> zeroinitializer)
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; CHECK-NEXT: ret <vscale x 2 x float> %[[FADD]]
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%1 = shufflevector <vscale x 2 x float> insertelement (<vscale x 2 x float> undef, float -1.000000e+00, i32 0), <vscale x 2 x float> undef, <vscale x 2 x i32> zeroinitializer
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%2 = fpext <vscale x 2 x float> %a to <vscale x 2 x double>
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%3 = fpext <vscale x 2 x float> %1 to <vscale x 2 x double>
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%4 = fadd <vscale x 2 x double> %2, %3
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%5 = fptrunc <vscale x 2 x double> %4 to <vscale x 2 x float>
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ret <vscale x 2 x float> %5
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}
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