1 ; Positive test for inline register constraints
3 ; RUN: llc -no-integrated-as -march=mipsel -relocation-model=pic < %s | \
4 ; RUN: FileCheck -check-prefixes=ALL,LE32,GAS %s
5 ; RUN: llc -no-integrated-as -march=mips -relocation-model=pic < %s | \
6 ; RUN: FileCheck -check-prefixes=ALL,BE32,GAS %s
8 ; IAS might not print in the same way since it parses the assembly.
9 ; RUN: llc -march=mipsel -relocation-model=pic < %s | \
10 ; RUN: FileCheck -check-prefixes=ALL,LE32,IAS %s
11 ; RUN: llc -march=mips -relocation-model=pic < %s | \
12 ; RUN: FileCheck -check-prefixes=ALL,BE32,IAS %s
14 %union.u_tag = type { i64 }
15 %struct.anon = type { i32, i32 }
16 @uval = common global %union.u_tag zeroinitializer, align 8
19 define i32 @constraint_X() nounwind {
21 ; ALL-LABEL: constraint_X:
23 ; GAS: addiu ${{[0-9]+}}, ${{[0-9]+}}, 0xfffffffffffffffd
24 ; IAS: addiu ${{[0-9]+}}, ${{[0-9]+}}, -3
26 tail call i32 asm sideeffect "addiu $0, $1, ${2:X}", "=r,r,I"(i32 7, i32 -3) ;
31 define i32 @constraint_x() nounwind {
33 ; ALL-LABEL: constraint_x:
35 ; GAS: addiu ${{[0-9]+}}, ${{[0-9]+}}, 0xfffd
36 ; This is _also_ -3 because uimm16 values are silently coerced to simm16 when
37 ; it would otherwise fail to match.
38 ; IAS: addiu ${{[0-9]+}}, ${{[0-9]+}}, -3
40 tail call i32 asm sideeffect "addiu $0, $1, ${2:x}", "=r,r,I"(i32 7, i32 -3) ;
45 define i32 @constraint_d() nounwind {
47 ; ALL-LABEL: constraint_d:
49 ; ALL: addiu ${{[0-9]+}}, ${{[0-9]+}}, -3
51 tail call i32 asm sideeffect "addiu $0, $1, ${2:d}", "=r,r,I"(i32 7, i32 -3) ;
56 define i32 @constraint_m() nounwind {
58 ; ALL-LABEL: constraint_m:
60 ; ALL: addiu ${{[0-9]+}}, ${{[0-9]+}}, -4
62 tail call i32 asm sideeffect "addiu $0, $1, ${2:m}", "=r,r,I"(i32 7, i32 -3) ;
67 define void @constraint_z_0() nounwind {
69 ; ALL-LABEL: constraint_z_0:
71 ; ALL: addiu ${{[0-9]+}}, ${{[0-9]+}}, -3
73 tail call i32 asm sideeffect "addiu $0, $1, ${2:z}", "=r,r,I"(i32 7, i32 -3) ;
78 define void @constraint_z_1() nounwind {
80 ; ALL-LABEL: constraint_z_1:
82 ; GAS: addu ${{[0-9]+}}, ${{[0-9]+}}, $0
83 ; IAS: move ${{[0-9]+}}, ${{[0-9]+}}
85 tail call i32 asm sideeffect "addu $0, $1, ${2:z}", "=r,r,I"(i32 7, i32 0) nounwind
89 ; z with non-zero and the "r"(register) and "J"(integer zero) constraints
90 define void @constraint_z_2() nounwind {
92 ; ALL-LABEL: constraint_z_2:
94 ; ALL: mtc0 ${{[1-9][0-9]?}}, ${{[0-9]+}}
96 call void asm sideeffect "mtc0 ${0:z}, $$12", "Jr"(i32 7) nounwind
100 ; z with zero and the "r"(register) and "J"(integer zero) constraints
101 define void @constraint_z_3() nounwind {
103 ; ALL-LABEL: constraint_z_3:
105 ; GAS: mtc0 $0, ${{[0-9]+}}
106 ; IAS: mtc0 $zero, ${{[0-9]+}}, 0
108 call void asm sideeffect "mtc0 ${0:z}, $$12", "Jr"(i32 0) nounwind
112 ; z with non-zero and just the "r"(register) constraint
113 define void @constraint_z_4() nounwind {
115 ; ALL-LABEL: constraint_z_4:
117 ; ALL: mtc0 ${{[1-9][0-9]?}}, ${{[0-9]+}}
119 call void asm sideeffect "mtc0 ${0:z}, $$12", "r"(i32 7) nounwind
123 ; z with zero and just the "r"(register) constraint
124 define void @constraint_z_5() nounwind {
126 ; ALL-LABEL: constraint_z_5:
127 ; FIXME: Check for $0, instead of other registers.
128 ; We should be using $0 directly in this case, not real registers.
129 ; When the materialization of 0 gets fixed, this test will fail.
131 ; ALL: mtc0 ${{[1-9][0-9]?}}, ${{[0-9]+}}
133 call void asm sideeffect "mtc0 ${0:z}, $$12", "r"(i32 0) nounwind
137 ; A long long in 32 bit mode (use to assert)
138 define i32 @constraint_longlong() nounwind {
140 ; ALL-LABEL: constraint_longlong:
142 ; ALL: addiu ${{[0-9]+}}, ${{[0-9]+}}, 3
144 tail call i64 asm sideeffect "addiu $0, $1, $2 \0A\09", "=r,r,X"(i64 1229801703532086340, i64 3) nounwind
148 ; In little endian the source reg will be 4 bytes into the long long
149 ; In big endian the source reg will also be 4 bytes into the long long
150 define i32 @constraint_D() nounwind {
152 ; ALL-LABEL: constraint_D:
153 ; ALL: lw ${{[0-9]+}}, %got(uval)(${{[0-9,a-z]+}})
154 ; ALL: lw $[[SECOND:[0-9]+]], 4(${{[0-9]+}})
155 ; ALL: lw $[[FIRST:[0-9]+]], 0(${{[0-9]+}})
157 ; LE32: or ${{[0-9]+}}, $[[SECOND]], ${{[0-9]+}}
158 ; BE32: or ${{[0-9]+}}, $[[SECOND]], ${{[0-9]+}}
160 %bosco = load i64, i64* getelementptr inbounds (%union.u_tag, %union.u_tag* @uval, i32 0, i32 0), align 8
161 %trunc1 = trunc i64 %bosco to i32
162 tail call i32 asm sideeffect "or $0, ${1:D}, $2", "=r,r,r"(i64 %bosco, i32 %trunc1) nounwind
166 ; In little endian the source reg will be 0 bytes into the long long
167 ; In big endian the source reg will be 4 bytes into the long long
168 define i32 @constraint_L() nounwind {
170 ; ALL-LABEL: constraint_L:
171 ; ALL: lw ${{[0-9]+}}, %got(uval)(${{[0-9,a-z]+}})
172 ; ALL: lw $[[SECOND:[0-9]+]], 4(${{[0-9]+}})
173 ; ALL: lw $[[FIRST:[0-9]+]], 0(${{[0-9]+}})
175 ; LE32: or ${{[0-9]+}}, $[[FIRST]], ${{[0-9]+}}
176 ; BE32: or ${{[0-9]+}}, $[[SECOND]], ${{[0-9]+}}
178 %bosco = load i64, i64* getelementptr inbounds (%union.u_tag, %union.u_tag* @uval, i32 0, i32 0), align 8
179 %trunc1 = trunc i64 %bosco to i32
180 tail call i32 asm sideeffect "or $0, ${1:L}, $2", "=r,r,r"(i64 %bosco, i32 %trunc1) nounwind
184 ; In little endian the source reg will be 4 bytes into the long long
185 ; In big endian the source reg will be 0 bytes into the long long
186 define i32 @constraint_M() nounwind {
188 ; ALL-LABEL: constraint_M:
189 ; ALL: lw ${{[0-9]+}}, %got(uval)(${{[0-9,a-z]+}})
190 ; ALL: lw $[[SECOND:[0-9]+]], 4(${{[0-9]+}})
191 ; ALL: lw $[[FIRST:[0-9]+]], 0(${{[0-9]+}})
193 ; LE32: or ${{[0-9]+}}, $[[SECOND]], ${{[0-9]+}}
194 ; BE32: or ${{[0-9]+}}, $[[FIRST]], ${{[0-9]+}}
196 %bosco = load i64, i64* getelementptr inbounds (%union.u_tag, %union.u_tag* @uval, i32 0, i32 0), align 8
197 %trunc1 = trunc i64 %bosco to i32
198 tail call i32 asm sideeffect "or $0, ${1:M}, $2", "=r,r,r"(i64 %bosco, i32 %trunc1) nounwind