xref: /llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/combine-zext-trunc.mir (revision ba4bcce5f5ffa9e7d4af72c20fe4f1baf97075fc) 
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1010 -run-pass=amdgpu-prelegalizer-combiner -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
3
4---
5name: zext_trunc_s32_s16_s32
6tracksRegLiveness: true
7body: |
8  bb.0:
9    liveins: $vgpr0
10
11    ; GCN-LABEL: name: zext_trunc_s32_s16_s32
12    ; GCN: liveins: $vgpr0
13    ; GCN-NEXT: {{  $}}
14    ; GCN-NEXT: %var:_(s32) = COPY $vgpr0
15    ; GCN-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC %var(s32)
16    ; GCN-NEXT: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 16383
17    ; GCN-NEXT: %trunc:_(s16) = G_AND [[TRUNC]], [[C]]
18    ; GCN-NEXT: %zext:_(s32) = G_ZEXT %trunc(s16)
19    ; GCN-NEXT: $vgpr0 = COPY %zext(s32)
20    %var:_(s32) = COPY $vgpr0
21    %c3FFF:_(s32) = G_CONSTANT i32 16383
22    %low_bits:_(s32) = G_AND %var, %c3FFF
23    %trunc:_(s16) = G_TRUNC %low_bits(s32)
24    %zext:_(s32) = G_ZEXT %trunc(s16)
25    $vgpr0 = COPY %zext(s32)
26...
27
28---
29name: zext_trunc_s32_s16_s32_unknown_high_bits
30tracksRegLiveness: true
31body: |
32  bb.0:
33    liveins: $vgpr0
34
35    ; GCN-LABEL: name: zext_trunc_s32_s16_s32_unknown_high_bits
36    ; GCN: liveins: $vgpr0
37    ; GCN-NEXT: {{  $}}
38    ; GCN-NEXT: %var:_(s32) = COPY $vgpr0
39    ; GCN-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC %var(s32)
40    ; GCN-NEXT: %zext:_(s32) = G_ZEXT [[TRUNC]](s16)
41    ; GCN-NEXT: $vgpr0 = COPY %zext(s32)
42    %var:_(s32) = COPY $vgpr0
43    %cFFFFF:_(s32) = G_CONSTANT i32 1048575
44    %low_bits:_(s32) = G_AND %var, %cFFFFF
45    %trunc:_(s16) = G_TRUNC %low_bits(s32)
46    %zext:_(s32) = G_ZEXT %trunc(s16)
47    $vgpr0 = COPY %zext(s32)
48...
49
50---
51name: zext_trunc_s64_s16_s32
52tracksRegLiveness: true
53body: |
54  bb.0:
55    liveins: $vgpr0_vgpr1
56
57    ; GCN-LABEL: name: zext_trunc_s64_s16_s32
58    ; GCN: liveins: $vgpr0_vgpr1
59    ; GCN-NEXT: {{  $}}
60    ; GCN-NEXT: %var:_(s64) = COPY $vgpr0_vgpr1
61    ; GCN-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC %var(s64)
62    ; GCN-NEXT: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 16383
63    ; GCN-NEXT: %trunc:_(s16) = G_AND [[TRUNC]], [[C]]
64    ; GCN-NEXT: %zext:_(s32) = G_ZEXT %trunc(s16)
65    ; GCN-NEXT: $vgpr0 = COPY %zext(s32)
66    %var:_(s64) = COPY $vgpr0_vgpr1
67    %c3FFF:_(s64) = G_CONSTANT i64 16383
68    %low_bits:_(s64) = G_AND %var, %c3FFF
69    %trunc:_(s16) = G_TRUNC %low_bits(s64)
70    %zext:_(s32) = G_ZEXT %trunc(s16)
71    $vgpr0 = COPY %zext(s32)
72...
73
74---
75name: zext_trunc_s32_s16_s64
76tracksRegLiveness: true
77body: |
78  bb.0:
79    liveins: $vgpr0
80
81    ; GCN-LABEL: name: zext_trunc_s32_s16_s64
82    ; GCN: liveins: $vgpr0
83    ; GCN-NEXT: {{  $}}
84    ; GCN-NEXT: %var:_(s32) = COPY $vgpr0
85    ; GCN-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC %var(s32)
86    ; GCN-NEXT: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 16383
87    ; GCN-NEXT: %trunc:_(s16) = G_AND [[TRUNC]], [[C]]
88    ; GCN-NEXT: %zext:_(s64) = G_ZEXT %trunc(s16)
89    ; GCN-NEXT: $vgpr0_vgpr1 = COPY %zext(s64)
90    %var:_(s32) = COPY $vgpr0
91    %c3FFF:_(s32) = G_CONSTANT i32 16383
92    %low_bits:_(s32) = G_AND %var, %c3FFF
93    %trunc:_(s16) = G_TRUNC %low_bits(s32)
94    %zext:_(s64) = G_ZEXT %trunc(s16)
95    $vgpr0_vgpr1 = COPY %zext(s64)
96...
97
98---
99name: zext_trunc_v2s32_v2s16_v2s32
100tracksRegLiveness: true
101body: |
102  bb.0:
103    liveins: $vgpr0_vgpr1
104
105    ; GCN-LABEL: name: zext_trunc_v2s32_v2s16_v2s32
106    ; GCN: liveins: $vgpr0_vgpr1
107    ; GCN-NEXT: {{  $}}
108    ; GCN-NEXT: %var:_(<2 x s32>) = COPY $vgpr0_vgpr1
109    ; GCN-NEXT: %c3FFF:_(s32) = G_CONSTANT i32 16383
110    ; GCN-NEXT: %c7FFF:_(s32) = G_CONSTANT i32 32767
111    ; GCN-NEXT: %c:_(<2 x s32>) = G_BUILD_VECTOR %c3FFF(s32), %c7FFF(s32)
112    ; GCN-NEXT: %low_bits:_(<2 x s32>) = G_AND %var, %c
113    ; GCN-NEXT: $vgpr0_vgpr1 = COPY %low_bits(<2 x s32>)
114    %var:_(<2 x s32>) = COPY $vgpr0_vgpr1
115    %c3FFF:_(s32) = G_CONSTANT i32 16383
116    %c7FFF:_(s32) = G_CONSTANT i32 32767
117    %c:_(<2 x s32>) = G_BUILD_VECTOR %c3FFF(s32), %c7FFF(s32)
118    %low_bits:_(<2 x s32>) = G_AND %var, %c
119    %trunc:_(<2 x s16>) = G_TRUNC %low_bits(<2 x s32>)
120    %zext:_(<2 x s32>) = G_ZEXT %trunc(<2 x s16>)
121    $vgpr0_vgpr1 = COPY %zext(<2 x s32>)
122...
123
124---
125name: zext_trunc_v2s32_v2s16_v2s32_unknown_high_bits
126tracksRegLiveness: true
127body: |
128  bb.0:
129    liveins: $vgpr0_vgpr1
130
131    ; GCN-LABEL: name: zext_trunc_v2s32_v2s16_v2s32_unknown_high_bits
132    ; GCN: liveins: $vgpr0_vgpr1
133    ; GCN-NEXT: {{  $}}
134    ; GCN-NEXT: %var:_(<2 x s32>) = COPY $vgpr0_vgpr1
135    ; GCN-NEXT: %cFFFFF:_(s32) = G_CONSTANT i32 1048575
136    ; GCN-NEXT: %c7FFF:_(s32) = G_CONSTANT i32 32767
137    ; GCN-NEXT: %c:_(<2 x s32>) = G_BUILD_VECTOR %cFFFFF(s32), %c7FFF(s32)
138    ; GCN-NEXT: %low_bits:_(<2 x s32>) = G_AND %var, %c
139    ; GCN-NEXT: %trunc:_(<2 x s16>) = G_TRUNC %low_bits(<2 x s32>)
140    ; GCN-NEXT: %zext:_(<2 x s32>) = G_ZEXT %trunc(<2 x s16>)
141    ; GCN-NEXT: $vgpr0_vgpr1 = COPY %zext(<2 x s32>)
142    %var:_(<2 x s32>) = COPY $vgpr0_vgpr1
143    %cFFFFF:_(s32) = G_CONSTANT i32 1048575
144    %c7FFF:_(s32) = G_CONSTANT i32 32767
145    %c:_(<2 x s32>) = G_BUILD_VECTOR %cFFFFF(s32), %c7FFF(s32)
146    %low_bits:_(<2 x s32>) = G_AND %var, %c
147    %trunc:_(<2 x s16>) = G_TRUNC %low_bits(<2 x s32>)
148    %zext:_(<2 x s32>) = G_ZEXT %trunc(<2 x s16>)
149    $vgpr0_vgpr1 = COPY %zext(<2 x s32>)
150...
151
152---
153name: zext_trunc_v2s64_v2s16_v2s32
154tracksRegLiveness: true
155body: |
156  bb.0:
157    liveins: $vgpr0_vgpr1_vgpr2_vgpr3
158
159    ; GCN-LABEL: name: zext_trunc_v2s64_v2s16_v2s32
160    ; GCN: liveins: $vgpr0_vgpr1_vgpr2_vgpr3
161    ; GCN-NEXT: {{  $}}
162    ; GCN-NEXT: %var:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
163    ; GCN-NEXT: %c3FFF:_(s64) = G_CONSTANT i64 16383
164    ; GCN-NEXT: %c7FFF:_(s64) = G_CONSTANT i64 32767
165    ; GCN-NEXT: %c:_(<2 x s64>) = G_BUILD_VECTOR %c3FFF(s64), %c7FFF(s64)
166    ; GCN-NEXT: %low_bits:_(<2 x s64>) = G_AND %var, %c
167    ; GCN-NEXT: %trunc:_(<2 x s16>) = G_TRUNC %low_bits(<2 x s64>)
168    ; GCN-NEXT: %zext:_(<2 x s32>) = G_ZEXT %trunc(<2 x s16>)
169    ; GCN-NEXT: $vgpr0_vgpr1 = COPY %zext(<2 x s32>)
170    %var:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
171    %c3FFF:_(s64) = G_CONSTANT i64 16383
172    %c7FFF:_(s64) = G_CONSTANT i64 32767
173    %c:_(<2 x s64>) = G_BUILD_VECTOR %c3FFF(s64), %c7FFF(s64)
174    %low_bits:_(<2 x s64>) = G_AND %var, %c
175    %trunc:_(<2 x s16>) = G_TRUNC %low_bits(<2 x s64>)
176    %zext:_(<2 x s32>) = G_ZEXT %trunc(<2 x s16>)
177    $vgpr0_vgpr1 = COPY %zext(<2 x s32>)
178...
179
180---
181name: zext_trunc_v2s32_v2s16_v2s64
182tracksRegLiveness: true
183body: |
184  bb.0:
185    liveins: $vgpr0_vgpr1
186
187    ; GCN-LABEL: name: zext_trunc_v2s32_v2s16_v2s64
188    ; GCN: liveins: $vgpr0_vgpr1
189    ; GCN-NEXT: {{  $}}
190    ; GCN-NEXT: %var:_(<2 x s32>) = COPY $vgpr0_vgpr1
191    ; GCN-NEXT: %c3FFF:_(s32) = G_CONSTANT i32 16383
192    ; GCN-NEXT: %c7FFF:_(s32) = G_CONSTANT i32 32767
193    ; GCN-NEXT: %c:_(<2 x s32>) = G_BUILD_VECTOR %c3FFF(s32), %c7FFF(s32)
194    ; GCN-NEXT: %low_bits:_(<2 x s32>) = G_AND %var, %c
195    ; GCN-NEXT: %trunc:_(<2 x s16>) = G_TRUNC %low_bits(<2 x s32>)
196    ; GCN-NEXT: %zext:_(<2 x s64>) = G_ZEXT %trunc(<2 x s16>)
197    ; GCN-NEXT: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %zext(<2 x s64>)
198    %var:_(<2 x s32>) = COPY $vgpr0_vgpr1
199    %c3FFF:_(s32) = G_CONSTANT i32 16383
200    %c7FFF:_(s32) = G_CONSTANT i32 32767
201    %c:_(<2 x s32>) = G_BUILD_VECTOR %c3FFF(s32), %c7FFF(s32)
202    %low_bits:_(<2 x s32>) = G_AND %var, %c
203    %trunc:_(<2 x s16>) = G_TRUNC %low_bits(<2 x s32>)
204    %zext:_(<2 x s64>) = G_ZEXT %trunc(<2 x s16>)
205    $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %zext(<2 x s64>)
206...
207