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1; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py2; RUN: llc -o - -verify-machineinstrs -O0 -global-isel -stop-after=localizer %s | FileCheck %s3target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"4target triple = "arm64-apple-ios5.0.0"5 6@var1 = common global i32 0, align 47@var2 = common global i32 0, align 48@var3 = common global i32 0, align 49@var4 = common global i32 0, align 410 11; This is an ll test instead of MIR because -run-pass doesn't seem to support12; initializing the target TTI which we need for this test.13 14; Some of the instructions in entry block are dead after this pass so don't15; strictly need to be checked for.16 17define i32 @foo() {18 ; CHECK-LABEL: name: foo19 ; CHECK: bb.1.entry:20 ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.3(0x40000000)21 ; CHECK-NEXT: {{ $}}22 ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 223 ; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var224 ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 325 ; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var326 ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 027 ; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var128 ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV2]](p0) :: (dereferenceable load (s32) from @var1)29 ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 130 ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[LOAD]](s32), [[C3]]31 ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s1) = G_CONSTANT i1 true32 ; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.333 ; CHECK-NEXT: G_BR %bb.234 ; CHECK-NEXT: {{ $}}35 ; CHECK-NEXT: bb.2.if.then:36 ; CHECK-NEXT: successors: %bb.3(0x80000000)37 ; CHECK-NEXT: {{ $}}38 ; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var239 ; CHECK-NEXT: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 240 ; CHECK-NEXT: G_STORE [[C5]](s32), [[GV3]](p0) :: (store (s32) into @var2)41 ; CHECK-NEXT: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 342 ; CHECK-NEXT: [[GV4:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var143 ; CHECK-NEXT: G_STORE [[C6]](s32), [[GV4]](p0) :: (store (s32) into @var1)44 ; CHECK-NEXT: [[GV5:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var345 ; CHECK-NEXT: G_STORE [[C5]](s32), [[GV5]](p0) :: (store (s32) into @var3)46 ; CHECK-NEXT: G_STORE [[C6]](s32), [[GV4]](p0) :: (store (s32) into @var1)47 ; CHECK-NEXT: G_BR %bb.348 ; CHECK-NEXT: {{ $}}49 ; CHECK-NEXT: bb.3.if.end:50 ; CHECK-NEXT: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 051 ; CHECK-NEXT: $w0 = COPY [[C7]](s32)52 ; CHECK-NEXT: RET_ReallyLR implicit $w053entry:54 %0 = load i32, ptr @var1, align 455 %cmp = icmp eq i32 %0, 156 br i1 %cmp, label %if.then, label %if.end57 58if.then:59 store i32 2, ptr @var2, align 460 store i32 3, ptr @var1, align 461 store i32 2, ptr @var3, align 462 store i32 3, ptr @var1, align 463 br label %if.end64 65if.end:66 ret i32 067}68 69@tls_gv = common thread_local global i32 0, align 470 71; This test checks that we don't try to localize TLS variables on Darwin.72; If the user happens to be inside a call sequence, we could end up rematerializing73; below a physreg write, clobbering it (TLS accesses on Darwin need a function call).74; For now, we check we don't localize at all. We could in theory make sure that75; we don't localize into the middle of a call sequence instead.76define i32 @darwin_tls() {77 ; CHECK-LABEL: name: darwin_tls78 ; CHECK: bb.1.entry:79 ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.3(0x40000000)80 ; CHECK-NEXT: {{ $}}81 ; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @tls_gv82 ; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var283 ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 084 ; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var185 ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV2]](p0) :: (dereferenceable load (s32) from @var1)86 ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 187 ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[LOAD]](s32), [[C1]]88 ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s1) = G_CONSTANT i1 true89 ; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.390 ; CHECK-NEXT: G_BR %bb.291 ; CHECK-NEXT: {{ $}}92 ; CHECK-NEXT: bb.2.if.then:93 ; CHECK-NEXT: successors: %bb.3(0x80000000)94 ; CHECK-NEXT: {{ $}}95 ; CHECK-NEXT: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load (s32) from @tls_gv)96 ; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var297 ; CHECK-NEXT: G_STORE [[LOAD1]](s32), [[GV3]](p0) :: (store (s32) into @var2)98 ; CHECK-NEXT: G_BR %bb.399 ; CHECK-NEXT: {{ $}}100 ; CHECK-NEXT: bb.3.if.end:101 ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 0102 ; CHECK-NEXT: $w0 = COPY [[C3]](s32)103 ; CHECK-NEXT: RET_ReallyLR implicit $w0104entry:105 %0 = load i32, ptr @var1, align 4106 %cmp = icmp eq i32 %0, 1107 br i1 %cmp, label %if.then, label %if.end108 109if.then:110 %tls = load i32, ptr @tls_gv, align 4111 store i32 %tls, ptr @var2, align 4112 br label %if.end113 114if.end:115 ret i32 0116}117 118define i32 @imm_cost_too_large_cost_of_2() {119 ; CHECK-LABEL: name: imm_cost_too_large_cost_of_2120 ; CHECK: bb.1.entry:121 ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.4(0x40000000)122 ; CHECK-NEXT: {{ $}}123 ; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2124 ; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3125 ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0126 ; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1127 ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV2]](p0) :: (dereferenceable load (s32) from @var1)128 ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 -2228259129 ; CHECK-NEXT: [[CONSTANT_FOLD_BARRIER:%[0-9]+]]:_(s32) = G_CONSTANT_FOLD_BARRIER [[C1]]130 ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1131 ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[LOAD]](s32), [[C2]]132 ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s1) = G_CONSTANT i1 true133 ; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.4134 ; CHECK-NEXT: G_BR %bb.2135 ; CHECK-NEXT: {{ $}}136 ; CHECK-NEXT: bb.2.if.then:137 ; CHECK-NEXT: successors: %bb.3(0x80000000)138 ; CHECK-NEXT: {{ $}}139 ; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2140 ; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](s32), [[GV3]](p0) :: (store (s32) into @var2)141 ; CHECK-NEXT: G_BR %bb.3142 ; CHECK-NEXT: {{ $}}143 ; CHECK-NEXT: bb.3.if.then2:144 ; CHECK-NEXT: successors: %bb.4(0x80000000)145 ; CHECK-NEXT: {{ $}}146 ; CHECK-NEXT: [[GV4:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1147 ; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](s32), [[GV4]](p0) :: (store (s32) into @var1)148 ; CHECK-NEXT: G_BR %bb.4149 ; CHECK-NEXT: {{ $}}150 ; CHECK-NEXT: bb.4.if.end:151 ; CHECK-NEXT: [[GV5:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3152 ; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](s32), [[GV5]](p0) :: (store (s32) into @var3)153 ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 0154 ; CHECK-NEXT: $w0 = COPY [[C4]](s32)155 ; CHECK-NEXT: RET_ReallyLR implicit $w0156entry:157 %0 = load i32, ptr @var1, align 4158 %cst1 = bitcast i32 -2228259 to i32159 %cmp = icmp eq i32 %0, 1160 br i1 %cmp, label %if.then, label %if.end161 162if.then:163 store i32 %cst1, ptr @var2164 br label %if.then2165 166if.then2:167 store i32 %cst1, ptr @var1168 br label %if.end169 170if.end:171 store i32 %cst1, ptr @var3172 ret i32 0173}174 175define i64 @imm_cost_too_large_cost_of_4() {176 ; CHECK-LABEL: name: imm_cost_too_large_cost_of_4177 ; CHECK: bb.1.entry:178 ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.4(0x40000000)179 ; CHECK-NEXT: {{ $}}180 ; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64181 ; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64182 ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0183 ; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64184 ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[GV2]](p0) :: (dereferenceable load (s64) from @var1_64, align 4)185 ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 -2228259186 ; CHECK-NEXT: [[CONSTANT_FOLD_BARRIER:%[0-9]+]]:_(s64) = G_CONSTANT_FOLD_BARRIER [[C1]]187 ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1188 ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[LOAD]](s64), [[C2]]189 ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s1) = G_CONSTANT i1 true190 ; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.4191 ; CHECK-NEXT: G_BR %bb.2192 ; CHECK-NEXT: {{ $}}193 ; CHECK-NEXT: bb.2.if.then:194 ; CHECK-NEXT: successors: %bb.3(0x80000000)195 ; CHECK-NEXT: {{ $}}196 ; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64197 ; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](s64), [[GV3]](p0) :: (store (s64) into @var2_64)198 ; CHECK-NEXT: G_BR %bb.3199 ; CHECK-NEXT: {{ $}}200 ; CHECK-NEXT: bb.3.if.then2:201 ; CHECK-NEXT: successors: %bb.4(0x80000000)202 ; CHECK-NEXT: {{ $}}203 ; CHECK-NEXT: [[GV4:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64204 ; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](s64), [[GV4]](p0) :: (store (s64) into @var1_64)205 ; CHECK-NEXT: G_BR %bb.4206 ; CHECK-NEXT: {{ $}}207 ; CHECK-NEXT: bb.4.if.end:208 ; CHECK-NEXT: [[GV5:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64209 ; CHECK-NEXT: G_STORE [[CONSTANT_FOLD_BARRIER]](s64), [[GV5]](p0) :: (store (s64) into @var3_64)210 ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 0211 ; CHECK-NEXT: $x0 = COPY [[C4]](s64)212 ; CHECK-NEXT: RET_ReallyLR implicit $x0213entry:214 %0 = load i64, ptr @var1_64, align 4215 %cst1 = bitcast i64 -2228259 to i64216 %cmp = icmp eq i64 %0, 1217 br i1 %cmp, label %if.then, label %if.end218 219if.then:220 store i64 %cst1, ptr @var2_64221 br label %if.then2222 223if.then2:224 store i64 %cst1, ptr @var1_64225 br label %if.end226 227if.end:228 store i64 %cst1, ptr @var3_64229 ret i64 0230}231 232define i64 @f64_imm_cost_too_high(double %a) {233 ; CHECK-LABEL: name: f64_imm_cost_too_high234 ; CHECK: bb.1.entry:235 ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.4(0x40000000)236 ; CHECK-NEXT: liveins: $d0237 ; CHECK-NEXT: {{ $}}238 ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_FCONSTANT double 1.000000e-02239 ; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64240 ; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64241 ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 0242 ; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64243 ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[GV2]](p0) :: (dereferenceable load (s64) from @var1_64, align 4)244 ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1245 ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[LOAD]](s64), [[C2]]246 ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s1) = G_CONSTANT i1 true247 ; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.4248 ; CHECK-NEXT: G_BR %bb.2249 ; CHECK-NEXT: {{ $}}250 ; CHECK-NEXT: bb.2.if.then:251 ; CHECK-NEXT: successors: %bb.3(0x80000000)252 ; CHECK-NEXT: {{ $}}253 ; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64254 ; CHECK-NEXT: G_STORE [[C]](s64), [[GV3]](p0) :: (store (s64) into @var2_64)255 ; CHECK-NEXT: G_BR %bb.3256 ; CHECK-NEXT: {{ $}}257 ; CHECK-NEXT: bb.3.if.then2:258 ; CHECK-NEXT: successors: %bb.4(0x80000000)259 ; CHECK-NEXT: {{ $}}260 ; CHECK-NEXT: [[GV4:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64261 ; CHECK-NEXT: G_STORE [[C]](s64), [[GV4]](p0) :: (store (s64) into @var1_64)262 ; CHECK-NEXT: G_BR %bb.4263 ; CHECK-NEXT: {{ $}}264 ; CHECK-NEXT: bb.4.if.end:265 ; CHECK-NEXT: [[GV5:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64266 ; CHECK-NEXT: G_STORE [[C]](s64), [[GV5]](p0) :: (store (s64) into @var3_64)267 ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 0268 ; CHECK-NEXT: $x0 = COPY [[C4]](s64)269 ; CHECK-NEXT: RET_ReallyLR implicit $x0270entry:271 %0 = load i64, ptr @var1_64, align 4272 %cmp = icmp eq i64 %0, 1273 br i1 %cmp, label %if.then, label %if.end274 275if.then:276 store double 1.000000e-02, ptr @var2_64277 br label %if.then2278 279if.then2:280 store double 1.000000e-02, ptr @var1_64281 br label %if.end282 283if.end:284 store double 1.000000e-02, ptr @var3_64285 ret i64 0286}287 288define i64 @f64_imm_cheap(double %a) {289 ; CHECK-LABEL: name: f64_imm_cheap290 ; CHECK: bb.1.entry:291 ; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.4(0x40000000)292 ; CHECK-NEXT: liveins: $d0293 ; CHECK-NEXT: {{ $}}294 ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_FCONSTANT double 0.000000e+00295 ; CHECK-NEXT: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64296 ; CHECK-NEXT: [[GV1:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64297 ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 0298 ; CHECK-NEXT: [[GV2:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64299 ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[GV2]](p0) :: (dereferenceable load (s64) from @var1_64, align 4)300 ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1301 ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[LOAD]](s64), [[C2]]302 ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s1) = G_CONSTANT i1 true303 ; CHECK-NEXT: G_BRCOND [[ICMP]](s1), %bb.4304 ; CHECK-NEXT: G_BR %bb.2305 ; CHECK-NEXT: {{ $}}306 ; CHECK-NEXT: bb.2.if.then:307 ; CHECK-NEXT: successors: %bb.3(0x80000000)308 ; CHECK-NEXT: {{ $}}309 ; CHECK-NEXT: [[GV3:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var2_64310 ; CHECK-NEXT: [[C4:%[0-9]+]]:_(s64) = G_FCONSTANT double 0.000000e+00311 ; CHECK-NEXT: G_STORE [[C4]](s64), [[GV3]](p0) :: (store (s64) into @var2_64)312 ; CHECK-NEXT: G_BR %bb.3313 ; CHECK-NEXT: {{ $}}314 ; CHECK-NEXT: bb.3.if.then2:315 ; CHECK-NEXT: successors: %bb.4(0x80000000)316 ; CHECK-NEXT: {{ $}}317 ; CHECK-NEXT: [[C5:%[0-9]+]]:_(s64) = G_FCONSTANT double 0.000000e+00318 ; CHECK-NEXT: [[GV4:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var1_64319 ; CHECK-NEXT: G_STORE [[C5]](s64), [[GV4]](p0) :: (store (s64) into @var1_64)320 ; CHECK-NEXT: G_BR %bb.4321 ; CHECK-NEXT: {{ $}}322 ; CHECK-NEXT: bb.4.if.end:323 ; CHECK-NEXT: [[GV5:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @var3_64324 ; CHECK-NEXT: [[C6:%[0-9]+]]:_(s64) = G_FCONSTANT double 0.000000e+00325 ; CHECK-NEXT: G_STORE [[C6]](s64), [[GV5]](p0) :: (store (s64) into @var3_64)326 ; CHECK-NEXT: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 0327 ; CHECK-NEXT: $x0 = COPY [[C7]](s64)328 ; CHECK-NEXT: RET_ReallyLR implicit $x0329entry:330 %0 = load i64, ptr @var1_64, align 4331 %cmp = icmp eq i64 %0, 1332 br i1 %cmp, label %if.then, label %if.end333 334if.then:335 store double 0.0, ptr @var2_64336 br label %if.then2337 338if.then2:339 store double 0.0, ptr @var1_64340 br label %if.end341 342if.end:343 store double 0.0, ptr @var3_64344 ret i64 0345}346 347@var1_64 = common global i64 0, align 4348@var2_64 = common global i64 0, align 4349@var3_64 = common global i64 0, align 4350