1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -o - -mtriple=x86_64-- -run-pass=greedy %s | FileCheck %s
3# Tests for stack folding ADCX and ADOX. The ADOX tests were manually constructed by modifying ADCX tests to use OF instead of CF.
4--- |
5  ; Function Attrs: nounwind
6  define i8 @stack_fold_adcx32(i8 %a0, i32 %a1, i32 %a2, i8* %a3) #0 {
7    %1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
8    %2 = call { i8, i32 } @llvm.x86.addcarry.32(i8 %a0, i32 %a1, i32 %a2)
9    %3 = extractvalue { i8, i32 } %2, 1
10    %4 = bitcast i8* %a3 to i32*
11    store i32 %3, i32* %4, align 1
12    %5 = extractvalue { i8, i32 } %2, 0
13    ret i8 %5
14  }
15
16  ; Function Attrs: nounwind
17  define i8 @stack_fold_adcx64(i8 %a0, i64 %a1, i64 %a2, i8* %a3) #0 {
18    %1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
19    %2 = call { i8, i64 } @llvm.x86.addcarry.64(i8 %a0, i64 %a1, i64 %a2)
20    %3 = extractvalue { i8, i64 } %2, 1
21    %4 = bitcast i8* %a3 to i64*
22    store i64 %3, i64* %4, align 1
23    %5 = extractvalue { i8, i64 } %2, 0
24    ret i8 %5
25  }
26
27  define i8 @stack_fold_adox32(i8 %a0, i32 %a1, i32 %a2, i8* %a3) #0 {
28    %1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
29    %2 = call { i8, i32 } @llvm.x86.addcarry.32(i8 %a0, i32 %a1, i32 %a2)
30    %3 = extractvalue { i8, i32 } %2, 1
31    %4 = bitcast i8* %a3 to i32*
32    store i32 %3, i32* %4, align 1
33    %5 = extractvalue { i8, i32 } %2, 0
34    ret i8 %5
35  }
36
37  ; Function Attrs: nounwind
38  define i8 @stack_fold_adox64(i8 %a0, i64 %a1, i64 %a2, i8* %a3) #0 {
39    %1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
40    %2 = call { i8, i64 } @llvm.x86.addcarry.64(i8 %a0, i64 %a1, i64 %a2)
41    %3 = extractvalue { i8, i64 } %2, 1
42    %4 = bitcast i8* %a3 to i64*
43    store i64 %3, i64* %4, align 1
44    %5 = extractvalue { i8, i64 } %2, 0
45    ret i8 %5
46  }
47
48  ; Function Attrs: nounwind readnone
49  declare { i8, i32 } @llvm.x86.addcarry.32(i8, i32, i32) #1
50
51  ; Function Attrs: nounwind readnone
52  declare { i8, i64 } @llvm.x86.addcarry.64(i8, i64, i64) #1
53
54  ; Function Attrs: nounwind
55  declare void @llvm.stackprotector(i8*, i8**) #2
56
57  attributes #0 = { nounwind "target-features"="+adx" }
58  attributes #1 = { nounwind readnone "target-features"="+adx" }
59  attributes #2 = { nounwind }
60
61...
62---
63name:            stack_fold_adcx32
64alignment:       4
65tracksRegLiveness: true
66registers:
67  - { id: 0, class: gr32 }
68  - { id: 1, class: gr32 }
69  - { id: 2, class: gr32 }
70  - { id: 3, class: gr64 }
71  - { id: 4, class: fr64 }
72  - { id: 5, class: gr8 }
73  - { id: 6, class: gr8 }
74  - { id: 7, class: gr32 }
75  - { id: 8, class: gr8 }
76liveins:
77  - { reg: '$edi', virtual-reg: '%0' }
78  - { reg: '$esi', virtual-reg: '%1' }
79  - { reg: '$edx', virtual-reg: '%2' }
80  - { reg: '$rcx', virtual-reg: '%3' }
81body:             |
82  bb.0 (%ir-block.0):
83    liveins: $edi, $esi, $edx, $rcx
84
85    ; CHECK-LABEL: name: stack_fold_adcx32
86    ; CHECK: liveins: $edi, $esi, $edx, $rcx
87    ; CHECK: MOV64mr %stack.0, 1, $noreg, 0, $noreg, $rcx :: (store 8 into %stack.0)
88    ; CHECK: MOV32mr %stack.1, 1, $noreg, 0, $noreg, $edx :: (store 4 into %stack.1)
89    ; CHECK: MOV32mr %stack.2, 1, $noreg, 0, $noreg, $esi :: (store 4 into %stack.2)
90    ; CHECK: MOV32mr %stack.3, 1, $noreg, 0, $noreg, $edi :: (store 4 into %stack.3)
91    ; CHECK: INLINEASM &nop, 1, 3145738, def dead %4, 12, implicit-def dead early-clobber $rax, 12, implicit-def dead early-clobber $rbx, 12, implicit-def dead early-clobber $rcx, 12, implicit-def dead early-clobber $rdx, 12, implicit-def dead early-clobber $rsi, 12, implicit-def dead early-clobber $rdi, 12, implicit-def dead early-clobber $rbp, 12, implicit-def dead early-clobber $r8, 12, implicit-def dead early-clobber $r9, 12, implicit-def dead early-clobber $r10, 12, implicit-def dead early-clobber $r11, 12, implicit-def dead early-clobber $r12, 12, implicit-def dead early-clobber $r13, 12, implicit-def dead early-clobber $r14, 12, implicit-def dead early-clobber $r15
92    ; CHECK: [[MOV32rm:%[0-9]+]]:gr32 = MOV32rm %stack.3, 1, $noreg, 0, $noreg :: (load 4 from %stack.3)
93    ; CHECK: dead [[MOV32rm]].sub_8bit:gr32 = ADD8ri [[MOV32rm]].sub_8bit, -1, implicit-def $eflags
94    ; CHECK: [[MOV32rm1:%[0-9]+]]:gr32 = MOV32rm %stack.2, 1, $noreg, 0, $noreg :: (load 4 from %stack.2)
95    ; CHECK: [[ADCX32rm:%[0-9]+]]:gr32 = ADCX32rm [[ADCX32rm]], %stack.1, 1, $noreg, 0, $noreg, implicit-def $eflags, implicit killed $eflags :: (load 4 from %stack.1)
96    ; CHECK: [[SETBr:%[0-9]+]]:gr8 = SETBr implicit killed $eflags
97    ; CHECK: [[MOV64rm:%[0-9]+]]:gr64 = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load 8 from %stack.0)
98    ; CHECK: MOV32mr [[MOV64rm]], 1, $noreg, 0, $noreg, [[ADCX32rm]] :: (store 4 into %ir.4, align 1)
99    ; CHECK: $al = COPY [[SETBr]]
100    ; CHECK: RET 0, $al
101    %3:gr64 = COPY $rcx
102    %2:gr32 = COPY $edx
103    %7:gr32 = COPY $esi
104    %0:gr32 = COPY $edi
105    INLINEASM &nop, 1, 3145738, def dead %4, 12, implicit-def dead early-clobber $rax, 12, implicit-def dead early-clobber $rbx, 12, implicit-def dead early-clobber $rcx, 12, implicit-def dead early-clobber $rdx, 12, implicit-def dead early-clobber $rsi, 12, implicit-def dead early-clobber $rdi, 12, implicit-def dead early-clobber $rbp, 12, implicit-def dead early-clobber $r8, 12, implicit-def dead early-clobber $r9, 12, implicit-def dead early-clobber $r10, 12, implicit-def dead early-clobber $r11, 12, implicit-def dead early-clobber $r12, 12, implicit-def dead early-clobber $r13, 12, implicit-def dead early-clobber $r14, 12, implicit-def dead early-clobber $r15
106    dead %0.sub_8bit:gr32 = ADD8ri %0.sub_8bit, -1, implicit-def $eflags
107    %7:gr32 = ADCX32rr %7, %2, implicit-def $eflags, implicit killed $eflags
108    %8:gr8 = SETBr implicit killed $eflags
109    MOV32mr %3, 1, $noreg, 0, $noreg, %7 :: (store 4 into %ir.4, align 1)
110    $al = COPY %8
111    RET 0, killed $al
112
113...
114---
115name:            stack_fold_adcx64
116alignment:       4
117tracksRegLiveness: true
118registers:
119  - { id: 0, class: gr32 }
120  - { id: 1, class: gr64 }
121  - { id: 2, class: gr64 }
122  - { id: 3, class: gr64 }
123  - { id: 4, class: fr64 }
124  - { id: 5, class: gr8 }
125  - { id: 6, class: gr8 }
126  - { id: 7, class: gr64 }
127  - { id: 8, class: gr8 }
128liveins:
129  - { reg: '$edi', virtual-reg: '%0' }
130  - { reg: '$rsi', virtual-reg: '%1' }
131  - { reg: '$rdx', virtual-reg: '%2' }
132  - { reg: '$rcx', virtual-reg: '%3' }
133body:             |
134  bb.0 (%ir-block.0):
135    liveins: $edi, $rsi, $rdx, $rcx
136
137    ; CHECK-LABEL: name: stack_fold_adcx64
138    ; CHECK: liveins: $edi, $rsi, $rdx, $rcx
139    ; CHECK: MOV64mr %stack.0, 1, $noreg, 0, $noreg, $rcx :: (store 8 into %stack.0)
140    ; CHECK: MOV64mr %stack.1, 1, $noreg, 0, $noreg, $rdx :: (store 8 into %stack.1)
141    ; CHECK: MOV64mr %stack.2, 1, $noreg, 0, $noreg, $rsi :: (store 8 into %stack.2)
142    ; CHECK: MOV32mr %stack.3, 1, $noreg, 0, $noreg, $edi :: (store 4 into %stack.3)
143    ; CHECK: INLINEASM &nop, 1, 3145738, def dead %4, 12, implicit-def dead early-clobber $rax, 12, implicit-def dead early-clobber $rbx, 12, implicit-def dead early-clobber $rcx, 12, implicit-def dead early-clobber $rdx, 12, implicit-def dead early-clobber $rsi, 12, implicit-def dead early-clobber $rdi, 12, implicit-def dead early-clobber $rbp, 12, implicit-def dead early-clobber $r8, 12, implicit-def dead early-clobber $r9, 12, implicit-def dead early-clobber $r10, 12, implicit-def dead early-clobber $r11, 12, implicit-def dead early-clobber $r12, 12, implicit-def dead early-clobber $r13, 12, implicit-def dead early-clobber $r14, 12, implicit-def dead early-clobber $r15
144    ; CHECK: [[MOV32rm:%[0-9]+]]:gr32 = MOV32rm %stack.3, 1, $noreg, 0, $noreg :: (load 4 from %stack.3)
145    ; CHECK: dead [[MOV32rm]].sub_8bit:gr32 = ADD8ri [[MOV32rm]].sub_8bit, -1, implicit-def $eflags
146    ; CHECK: [[MOV64rm:%[0-9]+]]:gr64 = MOV64rm %stack.2, 1, $noreg, 0, $noreg :: (load 8 from %stack.2)
147    ; CHECK: [[ADCX64rm:%[0-9]+]]:gr64 = ADCX64rm [[ADCX64rm]], %stack.1, 1, $noreg, 0, $noreg, implicit-def $eflags, implicit killed $eflags :: (load 8 from %stack.1)
148    ; CHECK: [[SETBr:%[0-9]+]]:gr8 = SETBr implicit killed $eflags
149    ; CHECK: [[MOV64rm:%[0-9]+]]:gr64 = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load 8 from %stack.0)
150    ; CHECK: MOV64mr [[MOV64rm]], 1, $noreg, 0, $noreg, [[ADCX64rm]] :: (store 8 into %ir.4, align 1)
151    ; CHECK: $al = COPY [[SETBr]]
152    ; CHECK: RET 0, $al
153    %3:gr64 = COPY $rcx
154    %2:gr64 = COPY $rdx
155    %7:gr64 = COPY $rsi
156    %0:gr32 = COPY $edi
157    INLINEASM &nop, 1, 3145738, def dead %4, 12, implicit-def dead early-clobber $rax, 12, implicit-def dead early-clobber $rbx, 12, implicit-def dead early-clobber $rcx, 12, implicit-def dead early-clobber $rdx, 12, implicit-def dead early-clobber $rsi, 12, implicit-def dead early-clobber $rdi, 12, implicit-def dead early-clobber $rbp, 12, implicit-def dead early-clobber $r8, 12, implicit-def dead early-clobber $r9, 12, implicit-def dead early-clobber $r10, 12, implicit-def dead early-clobber $r11, 12, implicit-def dead early-clobber $r12, 12, implicit-def dead early-clobber $r13, 12, implicit-def dead early-clobber $r14, 12, implicit-def dead early-clobber $r15
158    dead %0.sub_8bit:gr32 = ADD8ri %0.sub_8bit, -1, implicit-def $eflags
159    %7:gr64 = ADCX64rr %7, %2, implicit-def $eflags, implicit killed $eflags
160    %8:gr8 = SETBr implicit killed $eflags
161    MOV64mr %3, 1, $noreg, 0, $noreg, %7 :: (store 8 into %ir.4, align 1)
162    $al = COPY %8
163    RET 0, killed $al
164
165...
166---
167name:            stack_fold_adox32
168alignment:       4
169tracksRegLiveness: true
170registers:
171  - { id: 0, class: gr32 }
172  - { id: 1, class: gr32 }
173  - { id: 2, class: gr32 }
174  - { id: 3, class: gr64 }
175  - { id: 4, class: fr64 }
176  - { id: 5, class: gr8 }
177  - { id: 6, class: gr8 }
178  - { id: 7, class: gr32 }
179  - { id: 8, class: gr8 }
180liveins:
181  - { reg: '$edi', virtual-reg: '%0' }
182  - { reg: '$esi', virtual-reg: '%1' }
183  - { reg: '$edx', virtual-reg: '%2' }
184  - { reg: '$rcx', virtual-reg: '%3' }
185body:             |
186  bb.0 (%ir-block.0):
187    liveins: $edi, $esi, $edx, $rcx
188
189    ; CHECK-LABEL: name: stack_fold_adox32
190    ; CHECK: liveins: $edi, $esi, $edx, $rcx
191    ; CHECK: MOV64mr %stack.0, 1, $noreg, 0, $noreg, $rcx :: (store 8 into %stack.0)
192    ; CHECK: MOV32mr %stack.1, 1, $noreg, 0, $noreg, $edx :: (store 4 into %stack.1)
193    ; CHECK: MOV32mr %stack.2, 1, $noreg, 0, $noreg, $esi :: (store 4 into %stack.2)
194    ; CHECK: MOV32mr %stack.3, 1, $noreg, 0, $noreg, $edi :: (store 4 into %stack.3)
195    ; CHECK: INLINEASM &nop, 1, 3145738, def dead %4, 12, implicit-def dead early-clobber $rax, 12, implicit-def dead early-clobber $rbx, 12, implicit-def dead early-clobber $rcx, 12, implicit-def dead early-clobber $rdx, 12, implicit-def dead early-clobber $rsi, 12, implicit-def dead early-clobber $rdi, 12, implicit-def dead early-clobber $rbp, 12, implicit-def dead early-clobber $r8, 12, implicit-def dead early-clobber $r9, 12, implicit-def dead early-clobber $r10, 12, implicit-def dead early-clobber $r11, 12, implicit-def dead early-clobber $r12, 12, implicit-def dead early-clobber $r13, 12, implicit-def dead early-clobber $r14, 12, implicit-def dead early-clobber $r15
196    ; CHECK: [[MOV32rm:%[0-9]+]]:gr32 = MOV32rm %stack.3, 1, $noreg, 0, $noreg :: (load 4 from %stack.3)
197    ; CHECK: dead [[MOV32rm]].sub_8bit:gr32 = ADD8ri [[MOV32rm]].sub_8bit, 127, implicit-def $eflags
198    ; CHECK: [[MOV32rm1:%[0-9]+]]:gr32 = MOV32rm %stack.2, 1, $noreg, 0, $noreg :: (load 4 from %stack.2)
199    ; CHECK: [[ADOX32rm:%[0-9]+]]:gr32 = ADOX32rm [[ADOX32rm]], %stack.1, 1, $noreg, 0, $noreg, implicit-def $eflags, implicit killed $eflags :: (load 4 from %stack.1)
200    ; CHECK: [[SETOr:%[0-9]+]]:gr8 = SETOr implicit killed $eflags
201    ; CHECK: [[MOV64rm:%[0-9]+]]:gr64 = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load 8 from %stack.0)
202    ; CHECK: MOV32mr [[MOV64rm]], 1, $noreg, 0, $noreg, [[ADOX32rm]] :: (store 4 into %ir.4, align 1)
203    ; CHECK: $al = COPY [[SETOr]]
204    ; CHECK: RET 0, $al
205    %3:gr64 = COPY $rcx
206    %2:gr32 = COPY $edx
207    %7:gr32 = COPY $esi
208    %0:gr32 = COPY $edi
209    INLINEASM &nop, 1, 3145738, def dead %4, 12, implicit-def dead early-clobber $rax, 12, implicit-def dead early-clobber $rbx, 12, implicit-def dead early-clobber $rcx, 12, implicit-def dead early-clobber $rdx, 12, implicit-def dead early-clobber $rsi, 12, implicit-def dead early-clobber $rdi, 12, implicit-def dead early-clobber $rbp, 12, implicit-def dead early-clobber $r8, 12, implicit-def dead early-clobber $r9, 12, implicit-def dead early-clobber $r10, 12, implicit-def dead early-clobber $r11, 12, implicit-def dead early-clobber $r12, 12, implicit-def dead early-clobber $r13, 12, implicit-def dead early-clobber $r14, 12, implicit-def dead early-clobber $r15
210    dead %0.sub_8bit:gr32 = ADD8ri %0.sub_8bit, 127, implicit-def $eflags
211    %7:gr32 = ADOX32rr %7, %2, implicit-def $eflags, implicit killed $eflags
212    %8:gr8 = SETOr implicit killed $eflags
213    MOV32mr %3, 1, $noreg, 0, $noreg, %7 :: (store 4 into %ir.4, align 1)
214    $al = COPY %8
215    RET 0, killed $al
216
217...
218---
219name:            stack_fold_adox64
220alignment:       4
221tracksRegLiveness: true
222registers:
223  - { id: 0, class: gr32 }
224  - { id: 1, class: gr64 }
225  - { id: 2, class: gr64 }
226  - { id: 3, class: gr64 }
227  - { id: 4, class: fr64 }
228  - { id: 5, class: gr8 }
229  - { id: 6, class: gr8 }
230  - { id: 7, class: gr64 }
231  - { id: 8, class: gr8 }
232liveins:
233  - { reg: '$edi', virtual-reg: '%0' }
234  - { reg: '$rsi', virtual-reg: '%1' }
235  - { reg: '$rdx', virtual-reg: '%2' }
236  - { reg: '$rcx', virtual-reg: '%3' }
237body:             |
238  bb.0 (%ir-block.0):
239    liveins: $edi, $rsi, $rdx, $rcx
240
241    ; CHECK-LABEL: name: stack_fold_adox64
242    ; CHECK: liveins: $edi, $rsi, $rdx, $rcx
243    ; CHECK: MOV64mr %stack.0, 1, $noreg, 0, $noreg, $rcx :: (store 8 into %stack.0)
244    ; CHECK: MOV64mr %stack.1, 1, $noreg, 0, $noreg, $rdx :: (store 8 into %stack.1)
245    ; CHECK: MOV64mr %stack.2, 1, $noreg, 0, $noreg, $rsi :: (store 8 into %stack.2)
246    ; CHECK: MOV32mr %stack.3, 1, $noreg, 0, $noreg, $edi :: (store 4 into %stack.3)
247    ; CHECK: INLINEASM &nop, 1, 3145738, def dead %4, 12, implicit-def dead early-clobber $rax, 12, implicit-def dead early-clobber $rbx, 12, implicit-def dead early-clobber $rcx, 12, implicit-def dead early-clobber $rdx, 12, implicit-def dead early-clobber $rsi, 12, implicit-def dead early-clobber $rdi, 12, implicit-def dead early-clobber $rbp, 12, implicit-def dead early-clobber $r8, 12, implicit-def dead early-clobber $r9, 12, implicit-def dead early-clobber $r10, 12, implicit-def dead early-clobber $r11, 12, implicit-def dead early-clobber $r12, 12, implicit-def dead early-clobber $r13, 12, implicit-def dead early-clobber $r14, 12, implicit-def dead early-clobber $r15
248    ; CHECK: [[MOV32rm:%[0-9]+]]:gr32 = MOV32rm %stack.3, 1, $noreg, 0, $noreg :: (load 4 from %stack.3)
249    ; CHECK: dead [[MOV32rm]].sub_8bit:gr32 = ADD8ri [[MOV32rm]].sub_8bit, 127, implicit-def $eflags
250    ; CHECK: [[MOV64rm:%[0-9]+]]:gr64 = MOV64rm %stack.2, 1, $noreg, 0, $noreg :: (load 8 from %stack.2)
251    ; CHECK: [[ADOX64rm:%[0-9]+]]:gr64 = ADOX64rm [[ADOX64rm]], %stack.1, 1, $noreg, 0, $noreg, implicit-def $eflags, implicit killed $eflags :: (load 8 from %stack.1)
252    ; CHECK: [[SETOr:%[0-9]+]]:gr8 = SETOr implicit killed $eflags
253    ; CHECK: [[MOV64rm:%[0-9]+]]:gr64 = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load 8 from %stack.0)
254    ; CHECK: MOV64mr [[MOV64rm]], 1, $noreg, 0, $noreg, [[ADOX64rm]] :: (store 8 into %ir.4, align 1)
255    ; CHECK: $al = COPY [[SETOr]]
256    ; CHECK: RET 0, $al
257    %3:gr64 = COPY $rcx
258    %2:gr64 = COPY $rdx
259    %7:gr64 = COPY $rsi
260    %0:gr32 = COPY $edi
261    INLINEASM &nop, 1, 3145738, def dead %4, 12, implicit-def dead early-clobber $rax, 12, implicit-def dead early-clobber $rbx, 12, implicit-def dead early-clobber $rcx, 12, implicit-def dead early-clobber $rdx, 12, implicit-def dead early-clobber $rsi, 12, implicit-def dead early-clobber $rdi, 12, implicit-def dead early-clobber $rbp, 12, implicit-def dead early-clobber $r8, 12, implicit-def dead early-clobber $r9, 12, implicit-def dead early-clobber $r10, 12, implicit-def dead early-clobber $r11, 12, implicit-def dead early-clobber $r12, 12, implicit-def dead early-clobber $r13, 12, implicit-def dead early-clobber $r14, 12, implicit-def dead early-clobber $r15
262    dead %0.sub_8bit:gr32 = ADD8ri %0.sub_8bit, 127, implicit-def $eflags
263    %7:gr64 = ADOX64rr %7, %2, implicit-def $eflags, implicit killed $eflags
264    %8:gr8 = SETOr implicit killed $eflags
265    MOV64mr %3, 1, $noreg, 0, $noreg, %7 :: (store 8 into %ir.4, align 1)
266    $al = COPY %8
267    RET 0, killed $al
268
269...
270