; 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 }