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14 lines
578 B
LLVM
14 lines
578 B
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=aarch64 -mattr=+sve | FileCheck %s
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define <vscale x 2 x i64> @foo(<vscale x 2 x i64> %a) {
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; CHECK-LABEL: foo:
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; CHECK: // %bb.0:
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; CHECK-NEXT: sub z0.d, z0.d, #2 // =0x2
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; CHECK-NEXT: ret
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%idx = shufflevector <vscale x 2 x i64> insertelement (<vscale x 2 x i64> undef, i64 1, i32 0), <vscale x 2 x i64> zeroinitializer, <vscale x 2 x i32> zeroinitializer
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%b = sub <vscale x 2 x i64> %a, %idx
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%c = sub <vscale x 2 x i64> %b, %idx
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ret <vscale x 2 x i64> %c
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}
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