28 lines
899 B
LLVM
28 lines
899 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-unknown-linux-gnu | FileCheck %s
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; Test cases of bitcasts where one type needs to be widened and one needs to be promoted.
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define <2 x i16> @bitcast_v2i16_v2f16(<2 x half> %x) {
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; CHECK-LABEL: bitcast_v2i16_v2f16:
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; CHECK: // %bb.0:
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; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0
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; CHECK-NEXT: umov w8, v0.h[0]
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; CHECK-NEXT: fmov s1, w8
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; CHECK-NEXT: umov w8, v0.h[1]
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; CHECK-NEXT: mov v1.s[1], w8
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; CHECK-NEXT: mov v0.16b, v1.16b
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; CHECK-NEXT: ret
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%y = bitcast <2 x half> %x to <2 x i16>
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ret <2 x i16> %y
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}
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define <2 x half> @bitcast_v2f16_v2i16(<2 x i16> %x) {
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; CHECK-LABEL: bitcast_v2f16_v2i16:
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; CHECK: // %bb.0:
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; CHECK-NEXT: uzp1 v0.4h, v0.4h, v0.4h
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; CHECK-NEXT: ret
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%y = bitcast <2 x i16> %x to <2 x half>
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ret <2 x half> %y
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}
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