1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -instcombine -S | FileCheck %s
4 define <2 x float> @vtrn1(<2 x i32> %v)
7 ; CHECK-NEXT: [[TMP0:%.*]] = bitcast <2 x i32> [[V:%.*]] to <2 x float>
8 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x float> [[TMP0]], <2 x float> undef, <2 x i32> zeroinitializer
9 ; CHECK-NEXT: ret <2 x float> [[R]]
13 %vb1 = bitcast <2 x i32> %v to <2 x float>
14 %vb2 = bitcast <2 x i32> %v to <2 x float>
15 %r = shufflevector <2 x float> %vb1, <2 x float> %vb2, <2 x i32> <i32 0, i32 2>
19 define <2 x float> @vtrn2(<2 x i32> %x, <2 x i32> %y) {
20 ; CHECK-LABEL: @vtrn2(
22 ; CHECK-NEXT: [[R_UNCASTED:%.*]] = shufflevector <2 x i32> [[X:%.*]], <2 x i32> [[Y:%.*]], <2 x i32> <i32 1, i32 3>
23 ; CHECK-NEXT: [[R:%.*]] = bitcast <2 x i32> [[R_UNCASTED]] to <2 x float>
24 ; CHECK-NEXT: ret <2 x float> [[R]]
27 %xb = bitcast <2 x i32> %x to <2 x float>
28 %yb = bitcast <2 x i32> %y to <2 x float>
29 %r = shufflevector <2 x float> %xb, <2 x float> %yb, <2 x i32> <i32 1, i32 3>
34 define <4 x float> @bc_shuf_lenchange(<2 x i32> %x, <2 x i32> %y) {
35 ; CHECK-LABEL: @bc_shuf_lenchange(
36 ; CHECK-NEXT: [[R_UNCASTED:%.*]] = shufflevector <2 x i32> [[X:%.*]], <2 x i32> [[Y:%.*]], <4 x i32> <i32 3, i32 2, i32 1, i32 0>
37 ; CHECK-NEXT: [[R:%.*]] = bitcast <4 x i32> [[R_UNCASTED]] to <4 x float>
38 ; CHECK-NEXT: ret <4 x float> [[R]]
40 %xb = bitcast <2 x i32> %x to <2 x float>
41 %yb = bitcast <2 x i32> %y to <2 x float>
42 %r = shufflevector <2 x float> %xb, <2 x float> %yb, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
47 define <4 x float> @bc_shuf_nonvec(i64 %x, i64 %y) {
48 ; CHECK-LABEL: @bc_shuf_nonvec(
49 ; CHECK-NEXT: [[XB:%.*]] = bitcast i64 [[X:%.*]] to <2 x float>
50 ; CHECK-NEXT: [[YB:%.*]] = bitcast i64 [[Y:%.*]] to <2 x float>
51 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x float> [[XB]], <2 x float> [[YB]], <4 x i32> <i32 3, i32 2, i32 1, i32 0>
52 ; CHECK-NEXT: ret <4 x float> [[R]]
54 %xb = bitcast i64 %x to <2 x float>
55 %yb = bitcast i64 %y to <2 x float>
56 %r = shufflevector <2 x float> %xb, <2 x float> %yb, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
60 define <4 x double> @bc_shuf_size(<4 x i32> %x, <4 x i32> %y) {
61 ; CHECK-LABEL: @bc_shuf_size(
62 ; CHECK-NEXT: [[XB:%.*]] = bitcast <4 x i32> [[X:%.*]] to <2 x double>
63 ; CHECK-NEXT: [[YB:%.*]] = bitcast <4 x i32> [[Y:%.*]] to <2 x double>
64 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x double> [[XB]], <2 x double> [[YB]], <4 x i32> <i32 1, i32 3, i32 0, i32 2>
65 ; CHECK-NEXT: ret <4 x double> [[R]]
67 %xb = bitcast <4 x i32> %x to <2 x double>
68 %yb = bitcast <4 x i32> %y to <2 x double>
69 %r = shufflevector <2 x double> %xb, <2 x double> %yb, <4 x i32> <i32 1, i32 3, i32 0, i32 2>
73 define <2 x double> @bc_shuf_mismatch(<4 x i32> %x, <2 x i64> %y) {
74 ; CHECK-LABEL: @bc_shuf_mismatch(
75 ; CHECK-NEXT: [[XB:%.*]] = bitcast <4 x i32> [[X:%.*]] to <2 x double>
76 ; CHECK-NEXT: [[YB:%.*]] = bitcast <2 x i64> [[Y:%.*]] to <2 x double>
77 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x double> [[XB]], <2 x double> [[YB]], <2 x i32> <i32 1, i32 3>
78 ; CHECK-NEXT: ret <2 x double> [[R]]
80 %xb = bitcast <4 x i32> %x to <2 x double>
81 %yb = bitcast <2 x i64> %y to <2 x double>
82 %r = shufflevector <2 x double> %xb, <2 x double> %yb, <2 x i32> <i32 1, i32 3>
86 define <8 x half> @bc_shuf_i8_float(<8 x i8> %x, <8 x i8> %y) {
87 ; CHECK-LABEL: @bc_shuf_i8_float(
88 ; CHECK-NEXT: [[XB:%.*]] = bitcast <8 x i8> [[X:%.*]] to <4 x half>
89 ; CHECK-NEXT: [[YB:%.*]] = bitcast <8 x i8> [[Y:%.*]] to <4 x half>
90 ; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x half> [[XB]], <4 x half> [[YB]], <8 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4>
91 ; CHECK-NEXT: ret <8 x half> [[R]]
93 %xb = bitcast <8 x i8> %x to <4 x half>
94 %yb = bitcast <8 x i8> %y to <4 x half>
95 %r = shufflevector <4 x half> %xb, <4 x half> %yb, <8 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4>
99 define <4 x i16> @bc_shuf_elemtype_mismatch(<2 x half> %x, <2 x bfloat> %y) {
100 ; CHECK-LABEL: @bc_shuf_elemtype_mismatch(
101 ; CHECK-NEXT: [[XB:%.*]] = bitcast <2 x half> [[X:%.*]] to <2 x i16>
102 ; CHECK-NEXT: [[YB:%.*]] = bitcast <2 x bfloat> [[Y:%.*]] to <2 x i16>
103 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x i16> [[XB]], <2 x i16> [[YB]], <4 x i32> <i32 3, i32 2, i32 1, i32 0>
104 ; CHECK-NEXT: ret <4 x i16> [[R]]
106 %xb = bitcast <2 x half> %x to <2 x i16>
107 %yb = bitcast <2 x bfloat> %y to <2 x i16>
108 %r = shufflevector <2 x i16> %xb, <2 x i16> %yb, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
112 define <2 x float> @bc_shuf_reuse(<4 x i32> %x){
113 ; CHECK-LABEL: @bc_shuf_reuse(
114 ; CHECK-NEXT: [[XB:%.*]] = bitcast <4 x i32> [[X:%.*]] to <4 x float>
115 ; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x float> [[XB]], <4 x float> undef, <2 x i32> zeroinitializer
116 ; CHECK-NEXT: ret <2 x float> [[R]]
118 %xb = bitcast <4 x i32> %x to <4 x float>
119 %r = shufflevector <4 x float> %xb, <4 x float> %xb, <2 x i32> <i32 0, i32 4>
123 define <4 x float> @bc_shuf_y_hasoneuse(<4 x i32> %x, <4 x i32> %y){
124 ; CHECK-LABEL: @bc_shuf_y_hasoneuse(
125 ; CHECK-NEXT: [[XB:%.*]] = bitcast <4 x i32> [[X:%.*]] to <4 x float>
126 ; CHECK-NEXT: [[SHUF_UNCASTED:%.*]] = shufflevector <4 x i32> [[X]], <4 x i32> [[Y:%.*]], <4 x i32> <i32 0, i32 1, i32 4, i32 5>
127 ; CHECK-NEXT: [[SHUF:%.*]] = bitcast <4 x i32> [[SHUF_UNCASTED]] to <4 x float>
128 ; CHECK-NEXT: [[R:%.*]] = fadd <4 x float> [[XB]], [[SHUF]]
129 ; CHECK-NEXT: ret <4 x float> [[R]]
131 %xb = bitcast <4 x i32> %x to <4 x float>
132 %yb = bitcast <4 x i32> %y to <4 x float>
133 %shuf = shufflevector <4 x float> %xb, <4 x float> %yb, <4 x i32> <i32 0, i32 1, i32 4, i32 5>
134 %r = fadd <4 x float> %xb, %shuf
138 define <4 x float> @bc_shuf_neither_hasoneuse(<4 x i32> %x, <4 x i32> %y){
139 ; CHECK-LABEL: @bc_shuf_neither_hasoneuse(
140 ; CHECK-NEXT: [[XB:%.*]] = bitcast <4 x i32> [[X:%.*]] to <4 x float>
141 ; CHECK-NEXT: [[YB:%.*]] = bitcast <4 x i32> [[Y:%.*]] to <4 x float>
142 ; CHECK-NEXT: [[SHUF:%.*]] = shufflevector <4 x float> [[XB]], <4 x float> undef, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
143 ; CHECK-NEXT: [[SUM:%.*]] = fadd <4 x float> [[XB]], [[YB]]
144 ; CHECK-NEXT: [[R:%.*]] = fadd <4 x float> [[SUM]], [[SHUF]]
145 ; CHECK-NEXT: ret <4 x float> [[R]]
147 %xb = bitcast <4 x i32> %x to <4 x float>
148 %yb = bitcast <4 x i32> %y to <4 x float>
149 %shuf = shufflevector <4 x float> %xb, <4 x float> %xb, <4 x i32> <i32 0, i32 1, i32 4, i32 5>
150 %sum = fadd <4 x float> %xb, %yb
151 %r = fadd <4 x float> %sum, %shuf