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1; RUN: llc < %s -mtriple=arm64-apple-ios -aarch64-neon-syntax=apple -no-integrated-as -disable-post-ra | FileCheck %s
2
3; rdar://9167275
4
5define i32 @t1() nounwind ssp {
6entry:
7; CHECK-LABEL: t1:
8; CHECK: mov {{w[0-9]+}}, 7
9  %0 = tail call i32 asm "mov ${0:w}, 7", "=r"() nounwind
10  ret i32 %0
11}
12
13define i64 @t2() nounwind ssp {
14entry:
15; CHECK-LABEL: t2:
16; CHECK: mov {{x[0-9]+}}, 7
17  %0 = tail call i64 asm "mov $0, 7", "=r"() nounwind
18  ret i64 %0
19}
20
21define i64 @t3() nounwind ssp {
22entry:
23; CHECK-LABEL: t3:
24; CHECK: mov {{w[0-9]+}}, 7
25  %0 = tail call i64 asm "mov ${0:w}, 7", "=r"() nounwind
26  ret i64 %0
27}
28
29; rdar://9281206
30
31define void @t4(i64 %op) nounwind {
32entry:
33; CHECK-LABEL: t4:
34; CHECK: mov x0, {{x[0-9]+}}; svc #0
35  %0 = tail call i64 asm sideeffect "mov x0, $1; svc #0;", "=r,r,r,~{x0}"(i64 %op, i64 undef) nounwind
36  ret void
37}
38
39; rdar://9394290
40
41define float @t5(float %x) nounwind {
42entry:
43; CHECK-LABEL: t5:
44; CHECK: fadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
45  %0 = tail call float asm "fadd ${0:s}, ${0:s}, ${0:s}", "=w,0"(float %x) nounwind
46  ret float %0
47}
48
49; rdar://9553599
50
51define zeroext i8 @t6(i8* %src) nounwind {
52entry:
53; CHECK-LABEL: t6:
54; CHECK: ldtrb {{w[0-9]+}}, [{{x[0-9]+}}]
55  %0 = tail call i8 asm "ldtrb ${0:w}, [$1]", "=r,r"(i8* %src) nounwind
56  ret i8 %0
57}
58
59define void @t7(i8* %f, i32 %g) nounwind {
60entry:
61  %f.addr = alloca i8*, align 8
62  store i8* %f, i8** %f.addr, align 8
63  ; CHECK-LABEL: t7:
64  ; CHECK: str {{w[0-9]+}}, [{{x[0-9]+}}]
65  call void asm "str ${1:w}, $0", "=*Q,r"(i8** %f.addr, i32 %g) nounwind
66  ret void
67}
68
69; rdar://10258229
70; ARM64TargetLowering::getRegForInlineAsmConstraint() should recognize 'v'
71; registers.
72define void @t8() nounwind ssp {
73entry:
74; CHECK-LABEL: t8:
75; CHECK: stp {{d[0-9]+}}, {{d[0-9]+}}, [sp, #-16]
76  tail call void asm sideeffect "nop", "~{v8}"() nounwind
77  ret void
78}
79
80define i32 @constraint_I(i32 %i, i32 %j) nounwind {
81entry:
82  ; CHECK-LABEL: constraint_I:
83  %0 = tail call i32 asm sideeffect "add ${0:w}, ${1:w}, $2", "=r,r,I"(i32 %i, i32 16773120) nounwind
84  ; CHECK: add   {{w[0-9]+}}, {{w[0-9]+}}, #16773120
85  %1 = tail call i32 asm sideeffect "add ${0:w}, ${1:w}, $2", "=r,r,I"(i32 %i, i32 4096) nounwind
86  ; CHECK: add   {{w[0-9]+}}, {{w[0-9]+}}, #4096
87  ret i32 %1
88}
89
90define i32 @constraint_J(i32 %i, i32 %j, i64 %k) nounwind {
91entry:
92  ; CHECK-LABEL: constraint_J:
93  %0 = tail call i32 asm sideeffect "sub ${0:w}, ${1:w}, $2", "=r,r,J"(i32 %i, i32 -16773120) nounwind
94  ; CHECK: sub   {{w[0-9]+}}, {{w[0-9]+}}, #-16773120
95  %1 = tail call i32 asm sideeffect "sub ${0:w}, ${1:w}, $2", "=r,r,J"(i32 %i, i32 -1) nounwind
96  ; CHECK: sub   {{w[0-9]+}}, {{w[0-9]+}}, #-1
97  %2 = tail call i64 asm sideeffect "sub ${0:x}, ${1:x}, $2", "=r,r,J"(i64 %k, i32 -1) nounwind
98  ; CHECK: sub   {{x[0-9]+}}, {{x[0-9]+}}, #-1
99  %3 = tail call i64 asm sideeffect "sub ${0:x}, ${1:x}, $2", "=r,r,J"(i64 %k, i64 -1) nounwind
100  ; CHECK: sub   {{x[0-9]+}}, {{x[0-9]+}}, #-1
101  ret i32 %1
102}
103
104define i32 @constraint_KL(i32 %i, i32 %j) nounwind {
105entry:
106  ; CHECK-LABEL: constraint_KL:
107  %0 = tail call i32 asm sideeffect "eor ${0:w}, ${1:w}, $2", "=r,r,K"(i32 %i, i32 255) nounwind
108  ; CHECK: eor {{w[0-9]+}}, {{w[0-9]+}}, #255
109  %1 = tail call i32 asm sideeffect "eor ${0:w}, ${1:w}, $2", "=r,r,L"(i32 %i, i64 16711680) nounwind
110  ; CHECK: eor {{w[0-9]+}}, {{w[0-9]+}}, #16711680
111  ret i32 %1
112}
113
114define i32 @constraint_MN(i32 %i, i32 %j) nounwind {
115entry:
116  ; CHECK-LABEL: constraint_MN:
117  %0 = tail call i32 asm sideeffect "movk ${0:w}, $1", "=r,M"(i32 65535) nounwind
118  ; CHECK: movk  {{w[0-9]+}}, #65535
119  %1 = tail call i32 asm sideeffect "movz ${0:w}, $1", "=r,N"(i64 0) nounwind
120  ; CHECK: movz  {{w[0-9]+}}, #0
121  ret i32 %1
122}
123
124define void @t9() nounwind {
125entry:
126  ; CHECK-LABEL: t9:
127  %data = alloca <2 x double>, align 16
128  %0 = load <2 x double>, <2 x double>* %data, align 16
129  call void asm sideeffect "mov.2d v4, $0\0A", "w,~{v4}"(<2 x double> %0) nounwind
130  ; CHECK: mov.2d v4, {{v[0-9]+}}
131  ret void
132}
133
134define void @t10() nounwind {
135entry:
136  ; CHECK-LABEL: t10:
137  %data = alloca <2 x float>, align 8
138  %a = alloca [2 x float], align 4
139  %arraydecay = getelementptr inbounds [2 x float], [2 x float]* %a, i32 0, i32 0
140  %0 = load <2 x float>, <2 x float>* %data, align 8
141  call void asm sideeffect "ldr ${1:q}, [$0]\0A", "r,w"(float* %arraydecay, <2 x float> %0) nounwind
142  ; CHECK: ldr {{q[0-9]+}}, [{{x[0-9]+}}]
143  call void asm sideeffect "ldr ${1:d}, [$0]\0A", "r,w"(float* %arraydecay, <2 x float> %0) nounwind
144  ; CHECK: ldr {{d[0-9]+}}, [{{x[0-9]+}}]
145  call void asm sideeffect "ldr ${1:s}, [$0]\0A", "r,w"(float* %arraydecay, <2 x float> %0) nounwind
146  ; CHECK: ldr {{s[0-9]+}}, [{{x[0-9]+}}]
147  call void asm sideeffect "ldr ${1:h}, [$0]\0A", "r,w"(float* %arraydecay, <2 x float> %0) nounwind
148  ; CHECK: ldr {{h[0-9]+}}, [{{x[0-9]+}}]
149  call void asm sideeffect "ldr ${1:b}, [$0]\0A", "r,w"(float* %arraydecay, <2 x float> %0) nounwind
150  ; CHECK: ldr {{b[0-9]+}}, [{{x[0-9]+}}]
151  ret void
152}
153
154define void @t11() nounwind {
155entry:
156  ; CHECK-LABEL: t11:
157  %a = alloca i32, align 4
158  %0 = load i32, i32* %a, align 4
159  call void asm sideeffect "mov ${1:x}, ${0:x}\0A", "r,i"(i32 %0, i32 0) nounwind
160  ; CHECK: mov xzr, {{x[0-9]+}}
161  %1 = load i32, i32* %a, align 4
162  call void asm sideeffect "mov ${1:w}, ${0:w}\0A", "r,i"(i32 %1, i32 0) nounwind
163  ; CHECK: mov wzr, {{w[0-9]+}}
164  ret void
165}
166
167define void @t12() nounwind {
168entry:
169  ; CHECK-LABEL: t12:
170  %data = alloca <4 x float>, align 16
171  %0 = load <4 x float>, <4 x float>* %data, align 16
172  call void asm sideeffect "mov.2d v4, $0\0A", "x,~{v4}"(<4 x float> %0) nounwind
173  ; CHECK: mov.2d v4, {{v([0-9])|(1[0-5])}}
174  ret void
175}
176
177define void @t13() nounwind {
178entry:
179  ; CHECK-LABEL: t13:
180  tail call void asm sideeffect "mov x4, $0\0A", "N"(i64 1311673391471656960) nounwind
181  ; CHECK: mov x4, #1311673391471656960
182  tail call void asm sideeffect "mov x4, $0\0A", "N"(i64 -4662) nounwind
183  ; CHECK: mov x4, #-4662
184  tail call void asm sideeffect "mov x4, $0\0A", "N"(i64 4660) nounwind
185  ; CHECK: mov x4, #4660
186  call void asm sideeffect "mov x4, $0\0A", "N"(i64 -71777214294589696) nounwind
187  ; CHECK: mov x4, #-71777214294589696
188  ret void
189}
190
191define void @t14() nounwind {
192entry:
193  ; CHECK-LABEL: t14:
194  tail call void asm sideeffect "mov w4, $0\0A", "M"(i32 305397760) nounwind
195  ; CHECK: mov w4, #305397760
196  tail call void asm sideeffect "mov w4, $0\0A", "M"(i32 -4662) nounwind
197  ; CHECK: mov w4, #4294962634
198  tail call void asm sideeffect "mov w4, $0\0A", "M"(i32 4660) nounwind
199  ; CHECK: mov w4, #4660
200  call void asm sideeffect "mov w4, $0\0A", "M"(i32 -16711936) nounwind
201  ; CHECK: mov w4, #4278255360
202  ret void
203}
204
205define void @t15() nounwind {
206entry:
207  %0 = tail call double asm sideeffect "fmov $0, d8", "=r"() nounwind
208  ; CHECK: fmov {{x[0-9]+}}, d8
209  ret void
210}
211
212; rdar://problem/14285178
213
214define void @test_zero_reg(i32* %addr) {
215; CHECK-LABEL: test_zero_reg:
216
217  tail call void asm sideeffect "USE($0)", "z"(i32 0) nounwind
218; CHECK: USE(xzr)
219
220  tail call void asm sideeffect "USE(${0:w})", "zr"(i32 0)
221; CHECK: USE(wzr)
222
223  tail call void asm sideeffect "USE(${0:w})", "zr"(i32 1)
224; CHECK: orr [[VAL1:w[0-9]+]], wzr, #0x1
225; CHECK: USE([[VAL1]])
226
227  tail call void asm sideeffect "USE($0), USE($1)", "z,z"(i32 0, i32 0) nounwind
228; CHECK: USE(xzr), USE(xzr)
229
230  tail call void asm sideeffect "USE($0), USE(${1:w})", "z,z"(i32 0, i32 0) nounwind
231; CHECK: USE(xzr), USE(wzr)
232
233  ret void
234}
235
236define <2 x float> @test_vreg_64bit(<2 x float> %in) nounwind {
237  ; CHECK-LABEL: test_vreg_64bit:
238  %1 = tail call <2 x float> asm sideeffect "fadd ${0}.2s, ${1}.2s, ${1}.2s", "={v14},w"(<2 x float> %in) nounwind
239  ; CHECK: fadd v14.2s, v0.2s, v0.2s
240  ret <2 x float> %1
241}
242
243define <4 x float> @test_vreg_128bit(<4 x float> %in) nounwind {
244  ; CHECK-LABEL: test_vreg_128bit:
245  %1 = tail call <4 x float> asm sideeffect "fadd ${0}.4s, ${1}.4s, ${1}.4s", "={v14},w"(<4 x float> %in) nounwind
246  ; CHECK: fadd v14.4s, v0.4s, v0.4s
247  ret <4 x float> %1
248}
249
250define void @test_constraint_w(i32 %a) {
251  ; CHECK: fmov [[SREG:s[0-9]+]], {{w[0-9]+}}
252  ; CHECK: sqxtn h0, [[SREG]]
253
254  tail call void asm sideeffect "sqxtn h0, ${0:s}\0A", "w"(i32 %a)
255  ret void
256}
257
258define void @test_inline_modifier_a(i8* %ptr) nounwind {
259  ; CHECK-LABEL: test_inline_modifier_a:
260  tail call void asm sideeffect "prfm pldl1keep, ${0:a}\0A", "r"(i8* %ptr)
261  ; CHECK: prfm pldl1keep, [x0]
262  ret void
263}
264
265; PR33134
266define void @test_zero_address() {
267entry:
268; CHECK-LABEL: test_zero_address
269; CHECK: mov {{x[0-9]+}}, xzr
270; CHECK: ldr {{x[0-9]+}}, {{[x[0-9]+]}}
271  tail call i32 asm sideeffect "ldr $0, $1 \0A", "=r,*Q"(i32* null)
272  ret void
273}
274