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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64_be-- < %s | FileCheck %s --check-prefix=BE
; RUN: llc -mtriple=aarch64-- < %s | FileCheck %s --check-prefix=LE
define i32 @trunc_i64_to_i32_le(i64 %x) {
; BE-LABEL: trunc_i64_to_i32_le:
; BE: // %bb.0:
; BE-NEXT: fmov d0, x0
; BE-NEXT: rev64 v0.4s, v0.4s
; BE-NEXT: fmov w0, s0
; BE-NEXT: ret
;
; LE-LABEL: trunc_i64_to_i32_le:
; LE: // %bb.0:
; LE-NEXT: // kill: def $w0 killed $w0 killed $x0
; LE-NEXT: ret
%ins = insertelement <2 x i64> undef, i64 %x, i32 0
%bc = bitcast <2 x i64> %ins to <4 x i32>
%ext = extractelement <4 x i32> %bc, i32 0
ret i32 %ext
}
define i32 @trunc_i64_to_i32_be(i64 %x) {
; BE-LABEL: trunc_i64_to_i32_be:
; BE: // %bb.0:
; BE-NEXT: // kill: def $w0 killed $w0 killed $x0
; BE-NEXT: ret
;
; LE-LABEL: trunc_i64_to_i32_be:
; LE: // %bb.0:
; LE-NEXT: fmov d0, x0
; LE-NEXT: mov w0, v0.s[1]
; LE-NEXT: ret
%ins = insertelement <2 x i64> undef, i64 %x, i32 0
%bc = bitcast <2 x i64> %ins to <4 x i32>
%ext = extractelement <4 x i32> %bc, i32 1
ret i32 %ext
}
define i16 @trunc_i64_to_i16_le(i64 %x) {
; BE-LABEL: trunc_i64_to_i16_le:
; BE: // %bb.0:
; BE-NEXT: fmov d0, x0
; BE-NEXT: rev64 v0.8h, v0.8h
; BE-NEXT: umov w0, v0.h[0]
; BE-NEXT: ret
;
; LE-LABEL: trunc_i64_to_i16_le:
; LE: // %bb.0:
; LE-NEXT: // kill: def $w0 killed $w0 killed $x0
; LE-NEXT: ret
%ins = insertelement <2 x i64> undef, i64 %x, i32 0
%bc = bitcast <2 x i64> %ins to <8 x i16>
%ext = extractelement <8 x i16> %bc, i32 0
ret i16 %ext
}
define i16 @trunc_i64_to_i16_be(i64 %x) {
; BE-LABEL: trunc_i64_to_i16_be:
; BE: // %bb.0:
; BE-NEXT: // kill: def $w0 killed $w0 killed $x0
; BE-NEXT: ret
;
; LE-LABEL: trunc_i64_to_i16_be:
; LE: // %bb.0:
; LE-NEXT: fmov d0, x0
; LE-NEXT: umov w0, v0.h[3]
; LE-NEXT: ret
%ins = insertelement <2 x i64> undef, i64 %x, i32 0
%bc = bitcast <2 x i64> %ins to <8 x i16>
%ext = extractelement <8 x i16> %bc, i32 3
ret i16 %ext
}
define i8 @trunc_i32_to_i8_le(i32 %x) {
; BE-LABEL: trunc_i32_to_i8_le:
; BE: // %bb.0:
; BE-NEXT: fmov s0, w0
; BE-NEXT: rev32 v0.16b, v0.16b
; BE-NEXT: umov w0, v0.b[0]
; BE-NEXT: ret
;
; LE-LABEL: trunc_i32_to_i8_le:
; LE: // %bb.0:
; LE-NEXT: ret
%ins = insertelement <4 x i32> undef, i32 %x, i32 0
%bc = bitcast <4 x i32> %ins to <16 x i8>
%ext = extractelement <16 x i8> %bc, i32 0
ret i8 %ext
}
define i8 @trunc_i32_to_i8_be(i32 %x) {
; BE-LABEL: trunc_i32_to_i8_be:
; BE: // %bb.0:
; BE-NEXT: ret
;
; LE-LABEL: trunc_i32_to_i8_be:
; LE: // %bb.0:
; LE-NEXT: fmov s0, w0
; LE-NEXT: umov w0, v0.b[3]
; LE-NEXT: ret
%ins = insertelement <4 x i32> undef, i32 %x, i32 0
%bc = bitcast <4 x i32> %ins to <16 x i8>
%ext = extractelement <16 x i8> %bc, i32 3
ret i8 %ext
}
; Weird type (non-power-of-2 vector) is ok.
define i8 @trunc_i64_to_i8_be(i64 %x) {
; BE-LABEL: trunc_i64_to_i8_be:
; BE: // %bb.0:
; BE-NEXT: // kill: def $w0 killed $w0 killed $x0
; BE-NEXT: ret
;
; LE-LABEL: trunc_i64_to_i8_be:
; LE: // %bb.0:
; LE-NEXT: fmov d0, x0
; LE-NEXT: umov w0, v0.b[7]
; LE-NEXT: ret
%ins = insertelement <3 x i64> undef, i64 %x, i32 0
%bc = bitcast <3 x i64> %ins to <24 x i8>
%ext = extractelement <24 x i8> %bc, i32 7
ret i8 %ext
}
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