1 ; RUN: llc < %s -march=avr -mattr=movw -no-integrated-as | FileCheck %s 2 ; XFAIL: * 3 4 ; CHECK-LABEL: no_operands: 5 define void @no_operands() { 6 ; CHECK: add {{r[0-9]+}}, {{r[0-9]+}} 7 call void asm sideeffect "add r24, r22", ""() nounwind 8 ret void 9 } 10 11 ; CHECK-LABEL: input_operand: 12 define void @input_operand(i8 %a) { 13 ; CHECK: add {{r[0-9]+}}, {{r[0-9]+}} 14 call void asm sideeffect "add $0, $0", "r"(i8 %a) nounwind 15 ret void 16 } 17 18 ; CHECK-LABEL: simple_upper_regs: 19 define void @simple_upper_regs(i8 %p0, i8 %p1, i8 %p2, i8 %p3, 20 i8 %p4, i8 %p5, i8 %p6, i8 %p7) { 21 ; CHECK: some_instr {{r[0-9]+}}, {{r[0-9]+}}, {{r[0-9]+}}, {{r[0-9]+}}, {{r[0-9]+}}, {{r[0-9]+}}, {{r[0-9]+}}, {{r[0-9]+}} 22 call void asm sideeffect "some_instr $0, $1, $2, $3, $4, $5, $6, $7", 23 "a,a,a,a,a,a,a,a" (i8 %p0, i8 %p1, i8 %p2, i8 %p3, 24 i8 %p4, i8 %p5, i8 %p6, i8 %p7) nounwind 25 ret void 26 } 27 28 ; CHECK-LABEL: upper_regs: 29 define void @upper_regs(i8 %p0) { 30 ; CHECK: some_instr {{r[0-9]+}} 31 call void asm sideeffect "some_instr $0", "d" (i8 %p0) nounwind 32 ret void 33 } 34 35 ; CHECK-LABEL: lower_regs: 36 define void @lower_regs(i8 %p0) { 37 ; CHECK: some_instr {{r[0-9]+}} 38 call void asm sideeffect "some_instr $0", "l" (i8 %p0) nounwind 39 ret void 40 } 41 42 ; CHECK-LABEL: special_upper_regs: 43 define void @special_upper_regs(i8 %p0, i8 %p1, i8 %p2, i8 %p3) { 44 ; CHECK: some_instr {{r[0-9]+}},{{r[0-9]+}},{{r[0-9]+}},{{r[0-9]+}} 45 call void asm sideeffect "some_instr $0,$1,$2,$3", "w,w,w,w" (i8 %p0, i8 %p1, i8 %p2, i8 %p3) nounwind 46 ret void 47 } 48 49 ; CHECK-LABEL: xyz_reg: 50 define void @xyz_reg(i16 %var) { 51 ; CHECK: some_instr {{r[0-9]+}}, {{r[0-9]+}}, {{r[0-9]+}} 52 call void asm sideeffect "some_instr $0, $1, $2", "x,y,z" (i16 %var, i16 %var, i16 %var) nounwind 53 ret void 54 } 55 56 ;TODO 57 ; How to use SP reg properly in inline asm?? 58 ; define void @sp_reg(i16 %var) 59 60 ; CHECK-LABEL: ptr_reg: 61 define void @ptr_reg(i16 %var0, i16 %var1, i16 %var2) { 62 ; CHECK: some_instr {{r[0-9]+}}, {{r[0-9]+}}, {{r[0-9]+}} 63 call void asm sideeffect "some_instr $0, $1, $2", "e,e,e" (i16 %var0, i16 %var1, i16 %var2) nounwind 64 ret void 65 } 66 67 ; CHECK-LABEL: base_ptr_reg: 68 define void @base_ptr_reg(i16 %var0, i16 %var1) { 69 ; CHECK: some_instr r28, r30 70 call void asm sideeffect "some_instr $0, $1", "b,b" (i16 %var0, i16 %var1) nounwind 71 ret void 72 } 73 74 ; CHECK-LABEL: input_output_operand: 75 define i8 @input_output_operand(i8 %a, i8 %b) { 76 ; CHECK: add {{r[0-9]+}}, {{r[0-9]+}} 77 %1 = call i8 asm "add $0, $1", "=r,r"(i8 %a) nounwind 78 ret i8 %1 79 } 80 81 ; CHECK-LABEL: temp_reg: 82 define void @temp_reg(i8 %a) { 83 ; CHECK: some_instr {{r[0-9]+}} 84 call void asm sideeffect "some_instr $0", "t" (i8 %a) nounwind 85 ret void 86 } 87 88 ; CHECK-LABEL: int_0_63: 89 define void @int_0_63() { 90 ; CHECK: some_instr 5 91 call void asm sideeffect "some_instr $0", "I" (i8 5) nounwind 92 ret void 93 } 94 95 ; CHECK-LABEL: int_minus63_0: 96 define void @int_minus63_0() { 97 ; CHECK: some_instr -5 98 call void asm sideeffect "some_instr $0", "J" (i8 -5) nounwind 99 ret void 100 } 101 102 ; CHECK-LABEL: int_2_2: 103 define void @int_2_2() { 104 ; CHECK: some_instr 2 105 call void asm sideeffect "some_instr $0", "K" (i8 2) nounwind 106 ret void 107 } 108 109 ; CHECK-LABEL: int_0_0: 110 define void @int_0_0() { 111 ; CHECK: some_instr 0 112 call void asm sideeffect "some_instr $0", "L" (i8 0) nounwind 113 ret void 114 } 115 116 ; CHECK-LABEL: int_0_255: 117 define void @int_0_255() { 118 ; CHECK: some_instr 254 119 call void asm sideeffect "some_instr $0", "M" (i8 254) nounwind 120 ret void 121 } 122 123 ; CHECK-LABEL: int_minus1_minus1: 124 define void @int_minus1_minus1() { 125 ; CHECK: some_instr -1 126 call void asm sideeffect "some_instr $0", "N" (i8 -1) nounwind 127 ret void 128 } 129 130 ; CHECK-LABEL: int_8_or_16_or_24: 131 define void @int_8_or_16_or_24() { 132 ; CHECK: some_instr 8, 16, 24 133 call void asm sideeffect "some_instr $0, $1, $2", "O,O,O" (i8 8, i8 16, i8 24) nounwind 134 ret void 135 } 136 137 ; CHECK-LABEL: int_1_1: 138 define void @int_1_1() { 139 ; CHECK: some_instr 1 140 call void asm sideeffect "some_instr $0", "P" (i8 1) nounwind 141 ret void 142 } 143 144 ; CHECK-LABEL: int_minus6_5: 145 define void @int_minus6_5() { 146 ; CHECK: some_instr -6 147 call void asm sideeffect "some_instr $0", "R" (i8 -6) nounwind 148 ret void 149 } 150 151 ; CHECK-LABEL: float_0_0: 152 define void @float_0_0() { 153 ; CHECK: some_instr 0 154 call void asm sideeffect "some_instr $0", "G" (float 0.0) nounwind 155 ret void 156 } 157 158 159 ; Memory constraint 160 161 @a = internal global i16 0, align 4 162 @b = internal global i16 0, align 4 163 164 ; CHECK-LABEL: mem_global: 165 define void @mem_global() { 166 ; CHECK: some_instr {{X|Y|Z}}, {{X|Y|Z}} 167 call void asm "some_instr $0, $1", "=*Q,=*Q"(i16* @a, i16* @b) 168 ret void 169 } 170 171 ; CHECK-LABEL: mem_params: 172 define void @mem_params(i16* %a, i16* %b) { 173 ; CHECK: some_instr {{X|Y|Z}}, {{X|Y|Z}} 174 call void asm "some_instr $0, $1", "=*Q,=*Q"(i16* %a, i16* %b) 175 ret void 176 } 177 178 ; CHECK-LABEL: mem_local: 179 define void @mem_local() { 180 %a = alloca i16 181 %b = alloca i16 182 ; CHECK: some_instr {{X|Y|Z}}+3, {{X|Y|Z}}+1 183 call void asm "some_instr $0, $1", "=*Q,=*Q"(i16* %a, i16* %b) 184 ret void 185 } 186 187 ; CHECK-LABEL: mem_mixed: 188 define void @mem_mixed() { 189 %a = alloca i16 190 %b = alloca i16 191 ; CHECK: some_instr {{X|Y|Z}}, {{X|Y|Z}}+3, {{X|Y|Z}}+1 192 call void asm "some_instr $0, $1, $2", "=*Q,=*Q,=*Q"(i16* @a, i16* %a, i16* %b) 193 ret void 194 } 195 196 ; CHECK-LABEL: mem_gep: 197 define i8 @mem_gep(i8* %p) { 198 entry: 199 ; CHECK: movw {{r[0-9]+}}, [[REG:r[0-9]+]] 200 %arrayidx = getelementptr inbounds i8, i8* %p, i16 1 201 ; CHECK: ld [[REG]], {{X|Y|Z}}+1 202 %0 = tail call i8 asm sideeffect "ld $0, $1\0A\09", "=r,*Q"(i8* %arrayidx) 203 ret i8 %0 204 } 205
