| ; 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 |
| } |
| |