1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -fast-isel-sink-local-values -O0 -mtriple=x86_64-unknown-linux-gnu -o - %s | FileCheck %s -check-prefix=X640
3 ; RUN: llc -fast-isel-sink-local-values -O0 -mtriple=i686-unknown -o - %s | FileCheck %s -check-prefix=6860
4 ; RUN: llc -fast-isel-sink-local-values -mtriple=x86_64-unknown-linux-gnu -o - %s | FileCheck %s -check-prefix=X64
5 ; RUN: llc -fast-isel-sink-local-values -mtriple=i686-unknown -o - %s | FileCheck %s -check-prefix=686
7 @var_22 = external global i16, align 2
8 @var_27 = external global i16, align 2
12 ; X640: # %bb.0: # %bb
13 ; X640-NEXT: movzwl var_22, %eax
14 ; X640-NEXT: movzwl var_27, %ecx
15 ; X640-NEXT: xorl %ecx, %eax
16 ; X640-NEXT: movzwl var_27, %ecx
17 ; X640-NEXT: xorl %ecx, %eax
18 ; X640-NEXT: movslq %eax, %rdx
19 ; X640-NEXT: movq %rdx, -{{[0-9]+}}(%rsp)
20 ; X640-NEXT: movzwl var_22, %eax
21 ; X640-NEXT: movzwl var_27, %ecx
22 ; X640-NEXT: xorl %ecx, %eax
23 ; X640-NEXT: movzwl var_27, %ecx
24 ; X640-NEXT: xorl %ecx, %eax
25 ; X640-NEXT: movslq %eax, %rdx
26 ; X640-NEXT: movzwl var_27, %eax
27 ; X640-NEXT: subl $16610, %eax # imm = 0x40E2
28 ; X640-NEXT: movl %eax, %eax
29 ; X640-NEXT: movl %eax, %ecx
30 ; X640-NEXT: # kill: def $cl killed $rcx
31 ; X640-NEXT: sarq %cl, %rdx
32 ; X640-NEXT: # kill: def $dl killed $dl killed $rdx
33 ; X640-NEXT: # implicit-def: $rsi
34 ; X640-NEXT: movb %dl, (%rsi)
38 ; 6860: # %bb.0: # %bb
39 ; 6860-NEXT: pushl %ebp
40 ; 6860-NEXT: .cfi_def_cfa_offset 8
41 ; 6860-NEXT: .cfi_offset %ebp, -8
42 ; 6860-NEXT: movl %esp, %ebp
43 ; 6860-NEXT: .cfi_def_cfa_register %ebp
44 ; 6860-NEXT: pushl %ebx
45 ; 6860-NEXT: pushl %edi
46 ; 6860-NEXT: pushl %esi
47 ; 6860-NEXT: andl $-8, %esp
48 ; 6860-NEXT: subl $32, %esp
49 ; 6860-NEXT: .cfi_offset %esi, -20
50 ; 6860-NEXT: .cfi_offset %edi, -16
51 ; 6860-NEXT: .cfi_offset %ebx, -12
52 ; 6860-NEXT: movw var_22, %ax
53 ; 6860-NEXT: movzwl var_27, %ecx
54 ; 6860-NEXT: movw %cx, %dx
55 ; 6860-NEXT: xorw %dx, %ax
56 ; 6860-NEXT: # implicit-def: $esi
57 ; 6860-NEXT: movw %ax, %si
58 ; 6860-NEXT: xorl %ecx, %esi
59 ; 6860-NEXT: # kill: def $si killed $si killed $esi
60 ; 6860-NEXT: movzwl %si, %ecx
61 ; 6860-NEXT: movl %ecx, {{[0-9]+}}(%esp)
62 ; 6860-NEXT: movl $0, {{[0-9]+}}(%esp)
63 ; 6860-NEXT: movw var_22, %ax
64 ; 6860-NEXT: movzwl var_27, %ecx
65 ; 6860-NEXT: movw %cx, %dx
66 ; 6860-NEXT: xorw %dx, %ax
67 ; 6860-NEXT: # implicit-def: $edi
68 ; 6860-NEXT: movw %ax, %di
69 ; 6860-NEXT: xorl %ecx, %edi
70 ; 6860-NEXT: # kill: def $di killed $di killed $edi
71 ; 6860-NEXT: movzwl %di, %ebx
72 ; 6860-NEXT: # kill: def $cl killed $cl killed $ecx
73 ; 6860-NEXT: addb $30, %cl
74 ; 6860-NEXT: xorl %eax, %eax
75 ; 6860-NEXT: movb %cl, {{[-0-9]+}}(%e{{[sb]}}p) # 1-byte Spill
76 ; 6860-NEXT: shrdl %cl, %eax, %ebx
77 ; 6860-NEXT: movb {{[-0-9]+}}(%e{{[sb]}}p), %cl # 1-byte Reload
78 ; 6860-NEXT: testb $32, %cl
79 ; 6860-NEXT: movl %ebx, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
80 ; 6860-NEXT: movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
81 ; 6860-NEXT: jne .LBB0_2
82 ; 6860-NEXT: # %bb.1: # %bb
83 ; 6860-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %eax # 4-byte Reload
84 ; 6860-NEXT: movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
85 ; 6860-NEXT: .LBB0_2: # %bb
86 ; 6860-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %eax # 4-byte Reload
87 ; 6860-NEXT: # kill: def $al killed $al killed $eax
88 ; 6860-NEXT: # implicit-def: $ecx
89 ; 6860-NEXT: movb %al, (%ecx)
90 ; 6860-NEXT: leal -12(%ebp), %esp
91 ; 6860-NEXT: popl %esi
92 ; 6860-NEXT: popl %edi
93 ; 6860-NEXT: popl %ebx
94 ; 6860-NEXT: popl %ebp
95 ; 6860-NEXT: .cfi_def_cfa %esp, 4
100 ; X64-NEXT: movzwl {{.*}}(%rip), %ecx
101 ; X64-NEXT: movzwl {{.*}}(%rip), %eax
102 ; X64-NEXT: xorw %cx, %ax
103 ; X64-NEXT: xorl %ecx, %eax
104 ; X64-NEXT: movzwl %ax, %eax
105 ; X64-NEXT: movq %rax, -{{[0-9]+}}(%rsp)
106 ; X64-NEXT: addb $30, %cl
107 ; X64-NEXT: # kill: def $cl killed $cl killed $ecx
108 ; X64-NEXT: shrq %cl, %rax
109 ; X64-NEXT: movb %al, (%rax)
113 ; 686: # %bb.0: # %bb
114 ; 686-NEXT: pushl %ebp
115 ; 686-NEXT: .cfi_def_cfa_offset 8
116 ; 686-NEXT: .cfi_offset %ebp, -8
117 ; 686-NEXT: movl %esp, %ebp
118 ; 686-NEXT: .cfi_def_cfa_register %ebp
119 ; 686-NEXT: andl $-8, %esp
120 ; 686-NEXT: subl $8, %esp
121 ; 686-NEXT: movzwl var_27, %ecx
122 ; 686-NEXT: movzwl var_22, %eax
123 ; 686-NEXT: xorw %cx, %ax
124 ; 686-NEXT: xorl %ecx, %eax
125 ; 686-NEXT: movzwl %ax, %eax
126 ; 686-NEXT: movl %eax, (%esp)
127 ; 686-NEXT: movl $0, {{[0-9]+}}(%esp)
128 ; 686-NEXT: addb $30, %cl
129 ; 686-NEXT: xorl %edx, %edx
130 ; 686-NEXT: shrdl %cl, %edx, %eax
131 ; 686-NEXT: testb $32, %cl
132 ; 686-NEXT: jne .LBB0_2
133 ; 686-NEXT: # %bb.1: # %bb
134 ; 686-NEXT: movl %eax, %edx
135 ; 686-NEXT: .LBB0_2: # %bb
136 ; 686-NEXT: movb %dl, (%eax)
137 ; 686-NEXT: movl %ebp, %esp
138 ; 686-NEXT: popl %ebp
139 ; 686-NEXT: .cfi_def_cfa %esp, 4
142 %tmp = alloca i64, align 8
143 %tmp1 = load i16, i16* @var_22, align 2
144 %tmp2 = zext i16 %tmp1 to i32
145 %tmp3 = load i16, i16* @var_27, align 2
146 %tmp4 = zext i16 %tmp3 to i32
147 %tmp5 = xor i32 %tmp2, %tmp4
148 %tmp6 = load i16, i16* @var_27, align 2
149 %tmp7 = zext i16 %tmp6 to i32
150 %tmp8 = xor i32 %tmp5, %tmp7
151 %tmp9 = sext i32 %tmp8 to i64
152 store i64 %tmp9, i64* %tmp, align 8
153 %tmp10 = load i16, i16* @var_22, align 2
154 %tmp11 = zext i16 %tmp10 to i32
155 %tmp12 = load i16, i16* @var_27, align 2
156 %tmp13 = zext i16 %tmp12 to i32
157 %tmp14 = xor i32 %tmp11, %tmp13
158 %tmp15 = load i16, i16* @var_27, align 2
159 %tmp16 = zext i16 %tmp15 to i32
160 %tmp17 = xor i32 %tmp14, %tmp16
161 %tmp18 = sext i32 %tmp17 to i64
162 %tmp19 = load i16, i16* @var_27, align 2
163 %tmp20 = zext i16 %tmp19 to i32
164 %tmp21 = sub nsw i32 %tmp20, 16610
165 %tmp22 = zext i32 %tmp21 to i64
166 %tmp23 = ashr i64 %tmp18, %tmp22
167 %tmp24 = trunc i64 %tmp23 to i8
168 store i8 %tmp24, i8* undef, align 1