| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=instcombine -S -data-layout="e" | FileCheck %s --check-prefixes=ANY,LE |
| ; RUN: opt < %s -passes=instcombine -S -data-layout="E" | FileCheck %s --check-prefixes=ANY,BE |
| |
| define <4 x i16> @trunc_little_endian(<4 x i32> %x) { |
| ; LE-LABEL: @trunc_little_endian( |
| ; LE-NEXT: [[R:%.*]] = trunc <4 x i32> [[X:%.*]] to <4 x i16> |
| ; LE-NEXT: ret <4 x i16> [[R]] |
| ; |
| ; BE-LABEL: @trunc_little_endian( |
| ; BE-NEXT: [[B:%.*]] = bitcast <4 x i32> [[X:%.*]] to <8 x i16> |
| ; BE-NEXT: [[R:%.*]] = shufflevector <8 x i16> [[B]], <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6> |
| ; BE-NEXT: ret <4 x i16> [[R]] |
| ; |
| %b = bitcast <4 x i32> %x to <8 x i16> |
| %r = shufflevector <8 x i16> %b, <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6> |
| ret <4 x i16> %r |
| } |
| |
| define <4 x i16> @trunc_big_endian(<4 x i32> %x) { |
| ; LE-LABEL: @trunc_big_endian( |
| ; LE-NEXT: [[B:%.*]] = bitcast <4 x i32> [[X:%.*]] to <8 x i16> |
| ; LE-NEXT: [[R:%.*]] = shufflevector <8 x i16> [[B]], <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7> |
| ; LE-NEXT: ret <4 x i16> [[R]] |
| ; |
| ; BE-LABEL: @trunc_big_endian( |
| ; BE-NEXT: [[R:%.*]] = trunc <4 x i32> [[X:%.*]] to <4 x i16> |
| ; BE-NEXT: ret <4 x i16> [[R]] |
| ; |
| %b = bitcast <4 x i32> %x to <8 x i16> |
| %r = shufflevector <8 x i16> %b, <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7> |
| ret <4 x i16> %r |
| } |
| |
| declare void @use_v8i16(<8 x i16>) |
| |
| ; Extra use is ok. |
| |
| define <2 x i16> @trunc_little_endian_extra_use(<2 x i64> %x) { |
| ; LE-LABEL: @trunc_little_endian_extra_use( |
| ; LE-NEXT: [[B:%.*]] = bitcast <2 x i64> [[X:%.*]] to <8 x i16> |
| ; LE-NEXT: call void @use_v8i16(<8 x i16> [[B]]) |
| ; LE-NEXT: [[R:%.*]] = trunc <2 x i64> [[X]] to <2 x i16> |
| ; LE-NEXT: ret <2 x i16> [[R]] |
| ; |
| ; BE-LABEL: @trunc_little_endian_extra_use( |
| ; BE-NEXT: [[B:%.*]] = bitcast <2 x i64> [[X:%.*]] to <8 x i16> |
| ; BE-NEXT: call void @use_v8i16(<8 x i16> [[B]]) |
| ; BE-NEXT: [[R:%.*]] = shufflevector <8 x i16> [[B]], <8 x i16> poison, <2 x i32> <i32 0, i32 4> |
| ; BE-NEXT: ret <2 x i16> [[R]] |
| ; |
| %b = bitcast <2 x i64> %x to <8 x i16> |
| call void @use_v8i16(<8 x i16> %b) |
| %r = shufflevector <8 x i16> %b, <8 x i16> poison, <2 x i32> <i32 0, i32 4> |
| ret <2 x i16> %r |
| } |
| |
| declare void @use_v12i11(<12 x i11>) |
| |
| ; Weird types are ok. |
| |
| define <4 x i11> @trunc_big_endian_extra_use(<4 x i33> %x) { |
| ; LE-LABEL: @trunc_big_endian_extra_use( |
| ; LE-NEXT: [[B:%.*]] = bitcast <4 x i33> [[X:%.*]] to <12 x i11> |
| ; LE-NEXT: call void @use_v12i11(<12 x i11> [[B]]) |
| ; LE-NEXT: [[R:%.*]] = shufflevector <12 x i11> [[B]], <12 x i11> poison, <4 x i32> <i32 2, i32 5, i32 8, i32 11> |
| ; LE-NEXT: ret <4 x i11> [[R]] |
| ; |
| ; BE-LABEL: @trunc_big_endian_extra_use( |
| ; BE-NEXT: [[B:%.*]] = bitcast <4 x i33> [[X:%.*]] to <12 x i11> |
| ; BE-NEXT: call void @use_v12i11(<12 x i11> [[B]]) |
| ; BE-NEXT: [[R:%.*]] = trunc <4 x i33> [[X]] to <4 x i11> |
| ; BE-NEXT: ret <4 x i11> [[R]] |
| ; |
| %b = bitcast <4 x i33> %x to <12 x i11> |
| call void @use_v12i11(<12 x i11> %b) |
| %r = shufflevector <12 x i11> %b, <12 x i11> poison, <4 x i32> <i32 2, i32 5, i32 8, i32 11> |
| ret <4 x i11> %r |
| } |
| |
| define <4 x i16> @wrong_cast1(i128 %x) { |
| ; ANY-LABEL: @wrong_cast1( |
| ; ANY-NEXT: [[B:%.*]] = bitcast i128 [[X:%.*]] to <8 x i16> |
| ; ANY-NEXT: [[R:%.*]] = shufflevector <8 x i16> [[B]], <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6> |
| ; ANY-NEXT: ret <4 x i16> [[R]] |
| ; |
| %b = bitcast i128 %x to <8 x i16> |
| %r = shufflevector <8 x i16> %b, <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6> |
| ret <4 x i16> %r |
| } |
| |
| define <4 x i16> @wrong_cast2(<4 x float> %x) { |
| ; ANY-LABEL: @wrong_cast2( |
| ; ANY-NEXT: [[B:%.*]] = bitcast <4 x float> [[X:%.*]] to <8 x i16> |
| ; ANY-NEXT: [[R:%.*]] = shufflevector <8 x i16> [[B]], <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6> |
| ; ANY-NEXT: ret <4 x i16> [[R]] |
| ; |
| %b = bitcast <4 x float> %x to <8 x i16> |
| %r = shufflevector <8 x i16> %b, <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6> |
| ret <4 x i16> %r |
| } |
| |
| define <4 x half> @wrong_cast3(<4 x i32> %x) { |
| ; ANY-LABEL: @wrong_cast3( |
| ; ANY-NEXT: [[B:%.*]] = bitcast <4 x i32> [[X:%.*]] to <8 x half> |
| ; ANY-NEXT: [[R:%.*]] = shufflevector <8 x half> [[B]], <8 x half> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6> |
| ; ANY-NEXT: ret <4 x half> [[R]] |
| ; |
| %b = bitcast <4 x i32> %x to <8 x half> |
| %r = shufflevector <8 x half> %b, <8 x half> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6> |
| ret <4 x half> %r |
| } |
| |
| define <2 x i16> @wrong_shuffle(<4 x i32> %x) { |
| ; ANY-LABEL: @wrong_shuffle( |
| ; ANY-NEXT: [[B:%.*]] = bitcast <4 x i32> [[X:%.*]] to <8 x i16> |
| ; ANY-NEXT: [[R:%.*]] = shufflevector <8 x i16> [[B]], <8 x i16> poison, <2 x i32> <i32 0, i32 2> |
| ; ANY-NEXT: ret <2 x i16> [[R]] |
| ; |
| %b = bitcast <4 x i32> %x to <8 x i16> |
| %r = shufflevector <8 x i16> %b, <8 x i16> poison, <2 x i32> <i32 0, i32 2> |
| ret <2 x i16> %r |
| } |