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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -O3 -disable-peephole -mtriple=x86_64-unknown-unknown -mattr=+adx < %s | FileCheck %s --check-prefix=CHECK
3; RUN: llc -O3 -disable-peephole -mtriple=x86_64-unknown-unknown -mattr=-adx < %s | FileCheck %s --check-prefix=CHECK
4
5target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
6target triple = "x86_64-unknown-unknown"
7
8; Stack reload folding tests.
9;
10; By including a nop call with sideeffects we can force a partial register spill of the
11; relevant registers and check that the reload is correctly folded into the instruction.
12
13define i8 @stack_fold_addcarry_u32(i8 %a0, i32 %a1, i32 %a2, i8* %a3) {
14; CHECK-LABEL: stack_fold_addcarry_u32:
15; CHECK:       # %bb.0:
16; CHECK-NEXT:    pushq %rbp
17; CHECK-NEXT:    .cfi_def_cfa_offset 16
18; CHECK-NEXT:    pushq %r15
19; CHECK-NEXT:    .cfi_def_cfa_offset 24
20; CHECK-NEXT:    pushq %r14
21; CHECK-NEXT:    .cfi_def_cfa_offset 32
22; CHECK-NEXT:    pushq %r13
23; CHECK-NEXT:    .cfi_def_cfa_offset 40
24; CHECK-NEXT:    pushq %r12
25; CHECK-NEXT:    .cfi_def_cfa_offset 48
26; CHECK-NEXT:    pushq %rbx
27; CHECK-NEXT:    .cfi_def_cfa_offset 56
28; CHECK-NEXT:    .cfi_offset %rbx, -56
29; CHECK-NEXT:    .cfi_offset %r12, -48
30; CHECK-NEXT:    .cfi_offset %r13, -40
31; CHECK-NEXT:    .cfi_offset %r14, -32
32; CHECK-NEXT:    .cfi_offset %r15, -24
33; CHECK-NEXT:    .cfi_offset %rbp, -16
34; CHECK-NEXT:    movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
35; CHECK-NEXT:    movl %edx, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
36; CHECK-NEXT:    movl %esi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
37; CHECK-NEXT:    movl %edi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
38; CHECK-NEXT:    #APP
39; CHECK-NEXT:    nop
40; CHECK-NEXT:    #NO_APP
41; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
42; CHECK-NEXT:    addb $-1, %al
43; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %edx # 4-byte Reload
44; CHECK-NEXT:    adcl {{[-0-9]+}}(%r{{[sb]}}p), %edx # 4-byte Folded Reload
45; CHECK-NEXT:    setb %al
46; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
47; CHECK-NEXT:    movl %edx, (%rcx)
48; CHECK-NEXT:    popq %rbx
49; CHECK-NEXT:    .cfi_def_cfa_offset 48
50; CHECK-NEXT:    popq %r12
51; CHECK-NEXT:    .cfi_def_cfa_offset 40
52; CHECK-NEXT:    popq %r13
53; CHECK-NEXT:    .cfi_def_cfa_offset 32
54; CHECK-NEXT:    popq %r14
55; CHECK-NEXT:    .cfi_def_cfa_offset 24
56; CHECK-NEXT:    popq %r15
57; CHECK-NEXT:    .cfi_def_cfa_offset 16
58; CHECK-NEXT:    popq %rbp
59; CHECK-NEXT:    .cfi_def_cfa_offset 8
60; CHECK-NEXT:    retq
61  %1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
62  %2 = call { i8, i32 } @llvm.x86.addcarry.32(i8 %a0, i32 %a1, i32 %a2)
63  %3 = extractvalue { i8, i32 } %2, 1
64  %4 = bitcast i8* %a3 to i32*
65  store i32 %3, i32* %4, align 1
66  %5 = extractvalue { i8, i32 } %2, 0
67  ret i8 %5
68}
69
70define i8 @stack_fold_addcarry_u64(i8 %a0, i64 %a1, i64 %a2, i8* %a3) {
71; CHECK-LABEL: stack_fold_addcarry_u64:
72; CHECK:       # %bb.0:
73; CHECK-NEXT:    pushq %rbp
74; CHECK-NEXT:    .cfi_def_cfa_offset 16
75; CHECK-NEXT:    pushq %r15
76; CHECK-NEXT:    .cfi_def_cfa_offset 24
77; CHECK-NEXT:    pushq %r14
78; CHECK-NEXT:    .cfi_def_cfa_offset 32
79; CHECK-NEXT:    pushq %r13
80; CHECK-NEXT:    .cfi_def_cfa_offset 40
81; CHECK-NEXT:    pushq %r12
82; CHECK-NEXT:    .cfi_def_cfa_offset 48
83; CHECK-NEXT:    pushq %rbx
84; CHECK-NEXT:    .cfi_def_cfa_offset 56
85; CHECK-NEXT:    .cfi_offset %rbx, -56
86; CHECK-NEXT:    .cfi_offset %r12, -48
87; CHECK-NEXT:    .cfi_offset %r13, -40
88; CHECK-NEXT:    .cfi_offset %r14, -32
89; CHECK-NEXT:    .cfi_offset %r15, -24
90; CHECK-NEXT:    .cfi_offset %rbp, -16
91; CHECK-NEXT:    movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
92; CHECK-NEXT:    movq %rdx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
93; CHECK-NEXT:    movq %rsi, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
94; CHECK-NEXT:    movl %edi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
95; CHECK-NEXT:    #APP
96; CHECK-NEXT:    nop
97; CHECK-NEXT:    #NO_APP
98; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
99; CHECK-NEXT:    addb $-1, %al
100; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Reload
101; CHECK-NEXT:    adcq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Folded Reload
102; CHECK-NEXT:    setb %al
103; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
104; CHECK-NEXT:    movq %rdx, (%rcx)
105; CHECK-NEXT:    popq %rbx
106; CHECK-NEXT:    .cfi_def_cfa_offset 48
107; CHECK-NEXT:    popq %r12
108; CHECK-NEXT:    .cfi_def_cfa_offset 40
109; CHECK-NEXT:    popq %r13
110; CHECK-NEXT:    .cfi_def_cfa_offset 32
111; CHECK-NEXT:    popq %r14
112; CHECK-NEXT:    .cfi_def_cfa_offset 24
113; CHECK-NEXT:    popq %r15
114; CHECK-NEXT:    .cfi_def_cfa_offset 16
115; CHECK-NEXT:    popq %rbp
116; CHECK-NEXT:    .cfi_def_cfa_offset 8
117; CHECK-NEXT:    retq
118  %1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
119  %2 = call { i8, i64 } @llvm.x86.addcarry.64(i8 %a0, i64 %a1, i64 %a2)
120  %3 = extractvalue { i8, i64 } %2, 1
121  %4 = bitcast i8* %a3 to i64*
122  store i64 %3, i64* %4, align 1
123  %5 = extractvalue { i8, i64 } %2, 0
124  ret i8 %5
125}
126
127define i8 @stack_fold_addcarryx_u32(i8 %a0, i32 %a1, i32 %a2, i8* %a3) {
128; CHECK-LABEL: stack_fold_addcarryx_u32:
129; CHECK:       # %bb.0:
130; CHECK-NEXT:    pushq %rbp
131; CHECK-NEXT:    .cfi_def_cfa_offset 16
132; CHECK-NEXT:    pushq %r15
133; CHECK-NEXT:    .cfi_def_cfa_offset 24
134; CHECK-NEXT:    pushq %r14
135; CHECK-NEXT:    .cfi_def_cfa_offset 32
136; CHECK-NEXT:    pushq %r13
137; CHECK-NEXT:    .cfi_def_cfa_offset 40
138; CHECK-NEXT:    pushq %r12
139; CHECK-NEXT:    .cfi_def_cfa_offset 48
140; CHECK-NEXT:    pushq %rbx
141; CHECK-NEXT:    .cfi_def_cfa_offset 56
142; CHECK-NEXT:    .cfi_offset %rbx, -56
143; CHECK-NEXT:    .cfi_offset %r12, -48
144; CHECK-NEXT:    .cfi_offset %r13, -40
145; CHECK-NEXT:    .cfi_offset %r14, -32
146; CHECK-NEXT:    .cfi_offset %r15, -24
147; CHECK-NEXT:    .cfi_offset %rbp, -16
148; CHECK-NEXT:    movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
149; CHECK-NEXT:    movl %edx, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
150; CHECK-NEXT:    movl %esi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
151; CHECK-NEXT:    movl %edi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
152; CHECK-NEXT:    #APP
153; CHECK-NEXT:    nop
154; CHECK-NEXT:    #NO_APP
155; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
156; CHECK-NEXT:    addb $-1, %al
157; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %edx # 4-byte Reload
158; CHECK-NEXT:    adcl {{[-0-9]+}}(%r{{[sb]}}p), %edx # 4-byte Folded Reload
159; CHECK-NEXT:    setb %al
160; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
161; CHECK-NEXT:    movl %edx, (%rcx)
162; CHECK-NEXT:    popq %rbx
163; CHECK-NEXT:    .cfi_def_cfa_offset 48
164; CHECK-NEXT:    popq %r12
165; CHECK-NEXT:    .cfi_def_cfa_offset 40
166; CHECK-NEXT:    popq %r13
167; CHECK-NEXT:    .cfi_def_cfa_offset 32
168; CHECK-NEXT:    popq %r14
169; CHECK-NEXT:    .cfi_def_cfa_offset 24
170; CHECK-NEXT:    popq %r15
171; CHECK-NEXT:    .cfi_def_cfa_offset 16
172; CHECK-NEXT:    popq %rbp
173; CHECK-NEXT:    .cfi_def_cfa_offset 8
174; CHECK-NEXT:    retq
175  %1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
176  %2 = call { i8, i32 } @llvm.x86.addcarry.32(i8 %a0, i32 %a1, i32 %a2)
177  %3 = extractvalue { i8, i32 } %2, 1
178  %4 = bitcast i8* %a3 to i32*
179  store i32 %3, i32* %4, align 1
180  %5 = extractvalue { i8, i32 } %2, 0
181  ret i8 %5
182}
183
184define i8 @stack_fold_addcarryx_u64(i8 %a0, i64 %a1, i64 %a2, i8* %a3) {
185; CHECK-LABEL: stack_fold_addcarryx_u64:
186; CHECK:       # %bb.0:
187; CHECK-NEXT:    pushq %rbp
188; CHECK-NEXT:    .cfi_def_cfa_offset 16
189; CHECK-NEXT:    pushq %r15
190; CHECK-NEXT:    .cfi_def_cfa_offset 24
191; CHECK-NEXT:    pushq %r14
192; CHECK-NEXT:    .cfi_def_cfa_offset 32
193; CHECK-NEXT:    pushq %r13
194; CHECK-NEXT:    .cfi_def_cfa_offset 40
195; CHECK-NEXT:    pushq %r12
196; CHECK-NEXT:    .cfi_def_cfa_offset 48
197; CHECK-NEXT:    pushq %rbx
198; CHECK-NEXT:    .cfi_def_cfa_offset 56
199; CHECK-NEXT:    .cfi_offset %rbx, -56
200; CHECK-NEXT:    .cfi_offset %r12, -48
201; CHECK-NEXT:    .cfi_offset %r13, -40
202; CHECK-NEXT:    .cfi_offset %r14, -32
203; CHECK-NEXT:    .cfi_offset %r15, -24
204; CHECK-NEXT:    .cfi_offset %rbp, -16
205; CHECK-NEXT:    movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
206; CHECK-NEXT:    movq %rdx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
207; CHECK-NEXT:    movq %rsi, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
208; CHECK-NEXT:    movl %edi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
209; CHECK-NEXT:    #APP
210; CHECK-NEXT:    nop
211; CHECK-NEXT:    #NO_APP
212; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
213; CHECK-NEXT:    addb $-1, %al
214; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Reload
215; CHECK-NEXT:    adcq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Folded Reload
216; CHECK-NEXT:    setb %al
217; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
218; CHECK-NEXT:    movq %rdx, (%rcx)
219; CHECK-NEXT:    popq %rbx
220; CHECK-NEXT:    .cfi_def_cfa_offset 48
221; CHECK-NEXT:    popq %r12
222; CHECK-NEXT:    .cfi_def_cfa_offset 40
223; CHECK-NEXT:    popq %r13
224; CHECK-NEXT:    .cfi_def_cfa_offset 32
225; CHECK-NEXT:    popq %r14
226; CHECK-NEXT:    .cfi_def_cfa_offset 24
227; CHECK-NEXT:    popq %r15
228; CHECK-NEXT:    .cfi_def_cfa_offset 16
229; CHECK-NEXT:    popq %rbp
230; CHECK-NEXT:    .cfi_def_cfa_offset 8
231; CHECK-NEXT:    retq
232  %1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
233  %2 = call { i8, i64 } @llvm.x86.addcarry.64(i8 %a0, i64 %a1, i64 %a2)
234  %3 = extractvalue { i8, i64 } %2, 1
235  %4 = bitcast i8* %a3 to i64*
236  store i64 %3, i64* %4, align 1
237  %5 = extractvalue { i8, i64 } %2, 0
238  ret i8 %5
239}
240
241define i8 @stack_fold_subborrow_u32(i8 %a0, i32 %a1, i32 %a2, i8* %a3) {
242; CHECK-LABEL: stack_fold_subborrow_u32:
243; CHECK:       # %bb.0:
244; CHECK-NEXT:    pushq %rbp
245; CHECK-NEXT:    .cfi_def_cfa_offset 16
246; CHECK-NEXT:    pushq %r15
247; CHECK-NEXT:    .cfi_def_cfa_offset 24
248; CHECK-NEXT:    pushq %r14
249; CHECK-NEXT:    .cfi_def_cfa_offset 32
250; CHECK-NEXT:    pushq %r13
251; CHECK-NEXT:    .cfi_def_cfa_offset 40
252; CHECK-NEXT:    pushq %r12
253; CHECK-NEXT:    .cfi_def_cfa_offset 48
254; CHECK-NEXT:    pushq %rbx
255; CHECK-NEXT:    .cfi_def_cfa_offset 56
256; CHECK-NEXT:    .cfi_offset %rbx, -56
257; CHECK-NEXT:    .cfi_offset %r12, -48
258; CHECK-NEXT:    .cfi_offset %r13, -40
259; CHECK-NEXT:    .cfi_offset %r14, -32
260; CHECK-NEXT:    .cfi_offset %r15, -24
261; CHECK-NEXT:    .cfi_offset %rbp, -16
262; CHECK-NEXT:    movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
263; CHECK-NEXT:    movl %edx, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
264; CHECK-NEXT:    movl %esi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
265; CHECK-NEXT:    movl %edi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
266; CHECK-NEXT:    #APP
267; CHECK-NEXT:    nop
268; CHECK-NEXT:    #NO_APP
269; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
270; CHECK-NEXT:    addb $-1, %al
271; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %edx # 4-byte Reload
272; CHECK-NEXT:    sbbl {{[-0-9]+}}(%r{{[sb]}}p), %edx # 4-byte Folded Reload
273; CHECK-NEXT:    setb %al
274; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
275; CHECK-NEXT:    movl %edx, (%rcx)
276; CHECK-NEXT:    popq %rbx
277; CHECK-NEXT:    .cfi_def_cfa_offset 48
278; CHECK-NEXT:    popq %r12
279; CHECK-NEXT:    .cfi_def_cfa_offset 40
280; CHECK-NEXT:    popq %r13
281; CHECK-NEXT:    .cfi_def_cfa_offset 32
282; CHECK-NEXT:    popq %r14
283; CHECK-NEXT:    .cfi_def_cfa_offset 24
284; CHECK-NEXT:    popq %r15
285; CHECK-NEXT:    .cfi_def_cfa_offset 16
286; CHECK-NEXT:    popq %rbp
287; CHECK-NEXT:    .cfi_def_cfa_offset 8
288; CHECK-NEXT:    retq
289  %1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
290  %2 = call { i8, i32 } @llvm.x86.subborrow.32(i8 %a0, i32 %a1, i32 %a2)
291  %3 = extractvalue { i8, i32 } %2, 1
292  %4 = bitcast i8* %a3 to i32*
293  store i32 %3, i32* %4, align 1
294  %5 = extractvalue { i8, i32 } %2, 0
295  ret i8 %5
296}
297
298define i8 @stack_fold_subborrow_u64(i8 %a0, i64 %a1, i64 %a2, i8* %a3) {
299; CHECK-LABEL: stack_fold_subborrow_u64:
300; CHECK:       # %bb.0:
301; CHECK-NEXT:    pushq %rbp
302; CHECK-NEXT:    .cfi_def_cfa_offset 16
303; CHECK-NEXT:    pushq %r15
304; CHECK-NEXT:    .cfi_def_cfa_offset 24
305; CHECK-NEXT:    pushq %r14
306; CHECK-NEXT:    .cfi_def_cfa_offset 32
307; CHECK-NEXT:    pushq %r13
308; CHECK-NEXT:    .cfi_def_cfa_offset 40
309; CHECK-NEXT:    pushq %r12
310; CHECK-NEXT:    .cfi_def_cfa_offset 48
311; CHECK-NEXT:    pushq %rbx
312; CHECK-NEXT:    .cfi_def_cfa_offset 56
313; CHECK-NEXT:    .cfi_offset %rbx, -56
314; CHECK-NEXT:    .cfi_offset %r12, -48
315; CHECK-NEXT:    .cfi_offset %r13, -40
316; CHECK-NEXT:    .cfi_offset %r14, -32
317; CHECK-NEXT:    .cfi_offset %r15, -24
318; CHECK-NEXT:    .cfi_offset %rbp, -16
319; CHECK-NEXT:    movq %rcx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
320; CHECK-NEXT:    movq %rdx, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
321; CHECK-NEXT:    movq %rsi, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
322; CHECK-NEXT:    movl %edi, {{[-0-9]+}}(%r{{[sb]}}p) # 4-byte Spill
323; CHECK-NEXT:    #APP
324; CHECK-NEXT:    nop
325; CHECK-NEXT:    #NO_APP
326; CHECK-NEXT:    movl {{[-0-9]+}}(%r{{[sb]}}p), %eax # 4-byte Reload
327; CHECK-NEXT:    addb $-1, %al
328; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Reload
329; CHECK-NEXT:    sbbq {{[-0-9]+}}(%r{{[sb]}}p), %rdx # 8-byte Folded Reload
330; CHECK-NEXT:    setb %al
331; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
332; CHECK-NEXT:    movq %rdx, (%rcx)
333; CHECK-NEXT:    popq %rbx
334; CHECK-NEXT:    .cfi_def_cfa_offset 48
335; CHECK-NEXT:    popq %r12
336; CHECK-NEXT:    .cfi_def_cfa_offset 40
337; CHECK-NEXT:    popq %r13
338; CHECK-NEXT:    .cfi_def_cfa_offset 32
339; CHECK-NEXT:    popq %r14
340; CHECK-NEXT:    .cfi_def_cfa_offset 24
341; CHECK-NEXT:    popq %r15
342; CHECK-NEXT:    .cfi_def_cfa_offset 16
343; CHECK-NEXT:    popq %rbp
344; CHECK-NEXT:    .cfi_def_cfa_offset 8
345; CHECK-NEXT:    retq
346  %1 = tail call i64 asm sideeffect "nop", "=x,~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()
347  %2 = call { i8, i64 } @llvm.x86.subborrow.64(i8 %a0, i64 %a1, i64 %a2)
348  %3 = extractvalue { i8, i64 } %2, 1
349  %4 = bitcast i8* %a3 to i64*
350  store i64 %3, i64* %4, align 1
351  %5 = extractvalue { i8, i64 } %2, 0
352  ret i8 %5
353}
354
355declare { i8, i32 } @llvm.x86.addcarry.32(i8, i32, i32)
356declare { i8, i64 } @llvm.x86.addcarry.64(i8, i64, i64)
357declare { i8, i32 } @llvm.x86.subborrow.32(i8, i32, i32)
358declare { i8, i64 } @llvm.x86.subborrow.64(i8, i64, i64)
359