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| 1 | +# RUN: llc -verify-machineinstrs -mcpu=pwr9 -mtriple powerpc64le-unknown-linux-gnu \ |
| 2 | +# RUN: -run-pass=block-placement -o - %s | FileCheck %s |
| 3 | +--- | |
| 4 | + ; ModuleID = 'test.ll' |
| 5 | + source_filename = "test.ll" |
| 6 | + target datalayout = "e-m:e-i64:64-n32:64" |
| 7 | + |
| 8 | + @_ZTIl = external constant i8* |
| 9 | + @_ZTIi = external constant i8* |
| 10 | + @_ZTIc = external constant i8* |
| 11 | + |
| 12 | + define dso_local void @_Z6calleev() local_unnamed_addr { |
| 13 | + entry: |
| 14 | + tail call void @__cxa_rethrow() |
| 15 | + unreachable |
| 16 | + } |
| 17 | + |
| 18 | + declare void @__cxa_rethrow() local_unnamed_addr |
| 19 | + |
| 20 | + define dso_local void @_Z14TestSinglePredv() local_unnamed_addr personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { |
| 21 | + entry: |
| 22 | + br label %for.body |
| 23 | + |
| 24 | + for.cond.cleanup: ; preds = %for.inc |
| 25 | + ret void |
| 26 | + |
| 27 | + for.body: ; preds = %for.inc, %entry |
| 28 | + %lsr.iv = phi i32 [ %lsr.iv.next, %for.inc ], [ 10, %entry ] |
| 29 | + invoke void @__cxa_rethrow() |
| 30 | + to label %.noexc unwind label %lpad |
| 31 | + |
| 32 | + .noexc: ; preds = %for.body |
| 33 | + unreachable |
| 34 | + |
| 35 | + lpad: ; preds = %for.body |
| 36 | + %0 = landingpad { i8*, i32 } |
| 37 | + catch i8* bitcast (i8** @_ZTIl to i8*) |
| 38 | + catch i8* bitcast (i8** @_ZTIi to i8*) |
| 39 | + catch i8* null |
| 40 | + %1 = extractvalue { i8*, i32 } %0, 0 |
| 41 | + %2 = extractvalue { i8*, i32 } %0, 1 |
| 42 | + %3 = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIl to i8*)) |
| 43 | + %matches = icmp eq i32 %2, %3 |
| 44 | + br i1 %matches, label %catch4, label %catch.fallthrough |
| 45 | + |
| 46 | + catch4: ; preds = %lpad |
| 47 | + %4 = tail call i8* @__cxa_begin_catch(i8* %1) |
| 48 | + invoke void @__cxa_rethrow() |
| 49 | + to label %unreachable unwind label %lpad6 |
| 50 | + |
| 51 | + catch.fallthrough: ; preds = %lpad |
| 52 | + %5 = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) |
| 53 | + %matches1 = icmp eq i32 %2, %5 |
| 54 | + %6 = tail call i8* @__cxa_begin_catch(i8* %1) |
| 55 | + br i1 %matches1, label %catch2, label %catch |
| 56 | + |
| 57 | + catch2: ; preds = %catch.fallthrough |
| 58 | + tail call void @__cxa_end_catch() |
| 59 | + br label %for.inc |
| 60 | + |
| 61 | + catch: ; preds = %catch.fallthrough |
| 62 | + tail call void @__cxa_end_catch() |
| 63 | + br label %for.inc |
| 64 | + |
| 65 | + lpad6: ; preds = %catch4 |
| 66 | + %7 = landingpad { i8*, i32 } |
| 67 | + cleanup |
| 68 | + catch i8* bitcast (i8** @_ZTIc to i8*) |
| 69 | + %8 = extractvalue { i8*, i32 } %7, 1 |
| 70 | + %9 = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIc to i8*)) |
| 71 | + %matches9 = icmp eq i32 %8, %9 |
| 72 | + br i1 %matches9, label %catch10, label %ehcleanup |
| 73 | + |
| 74 | + catch10: ; preds = %lpad6 |
| 75 | + %10 = extractvalue { i8*, i32 } %7, 0 |
| 76 | + %11 = tail call i8* @__cxa_begin_catch(i8* %10) |
| 77 | + tail call void @__cxa_end_catch() |
| 78 | + tail call void @__cxa_end_catch() |
| 79 | + br label %for.inc |
| 80 | + |
| 81 | + for.inc: ; preds = %catch10, %catch, %catch2 |
| 82 | + %lsr.iv.next = add nsw i32 %lsr.iv, -1 |
| 83 | + %exitcond = icmp eq i32 %lsr.iv.next, 0 |
| 84 | + br i1 %exitcond, label %for.cond.cleanup, label %for.body |
| 85 | + |
| 86 | + ehcleanup: ; preds = %lpad6 |
| 87 | + tail call void @__cxa_end_catch() |
| 88 | + %exn.obj = extractvalue { i8*, i32 } %7, 0 |
| 89 | + call void @_Unwind_Resume(i8* %exn.obj) |
| 90 | + unreachable |
| 91 | + |
| 92 | + unreachable: ; preds = %catch4 |
| 93 | + unreachable |
| 94 | + } |
| 95 | + |
| 96 | + declare i32 @__gxx_personality_v0(...) |
| 97 | + |
| 98 | + ; Function Attrs: nounwind readnone |
| 99 | + declare i32 @llvm.eh.typeid.for(i8*) #0 |
| 100 | + |
| 101 | + declare i8* @__cxa_begin_catch(i8*) local_unnamed_addr |
| 102 | + |
| 103 | + declare void @__cxa_end_catch() local_unnamed_addr |
| 104 | + |
| 105 | + ; Function Attrs: nounwind |
| 106 | + declare void @llvm.stackprotector(i8*, i8**) #1 |
| 107 | + |
| 108 | + declare void @_Unwind_Resume(i8*) |
| 109 | + |
| 110 | + attributes #0 = { nounwind readnone } |
| 111 | + attributes #1 = { nounwind } |
| 112 | + |
| 113 | +... |
| 114 | +--- |
| 115 | +name: _Z6calleev |
| 116 | +alignment: 4 |
| 117 | +exposesReturnsTwice: false |
| 118 | +legalized: false |
| 119 | +regBankSelected: false |
| 120 | +selected: false |
| 121 | +failedISel: false |
| 122 | +tracksRegLiveness: true |
| 123 | +hasWinCFI: false |
| 124 | +registers: [] |
| 125 | +liveins: [] |
| 126 | +frameInfo: |
| 127 | + isFrameAddressTaken: false |
| 128 | + isReturnAddressTaken: false |
| 129 | + hasStackMap: false |
| 130 | + hasPatchPoint: false |
| 131 | + stackSize: 32 |
| 132 | + offsetAdjustment: 0 |
| 133 | + maxAlignment: 0 |
| 134 | + adjustsStack: true |
| 135 | + hasCalls: true |
| 136 | + stackProtector: '' |
| 137 | + maxCallFrameSize: 32 |
| 138 | + cvBytesOfCalleeSavedRegisters: 0 |
| 139 | + hasOpaqueSPAdjustment: false |
| 140 | + hasVAStart: false |
| 141 | + hasMustTailInVarArgFunc: false |
| 142 | + localFrameSize: 0 |
| 143 | + savePoint: '' |
| 144 | + restorePoint: '' |
| 145 | +fixedStack: [] |
| 146 | +stack: [] |
| 147 | +callSites: [] |
| 148 | +constants: [] |
| 149 | +machineFunctionInfo: {} |
| 150 | +body: | |
| 151 | + bb.0.entry: |
| 152 | + $x0 = MFLR8 implicit $lr8 |
| 153 | + STD killed $x0, 16, $x1 |
| 154 | + $x1 = STDU $x1, -32, $x1 |
| 155 | + CFI_INSTRUCTION def_cfa_offset 32 |
| 156 | + CFI_INSTRUCTION offset $lr8, 16 |
| 157 | + BL8_NOP @__cxa_rethrow, csr_svr464_altivec, implicit-def dead $lr8, implicit $rm, implicit-def $r1 |
| 158 | +
|
| 159 | +... |
| 160 | +--- |
| 161 | +name: _Z14TestSinglePredv |
| 162 | +alignment: 4 |
| 163 | +exposesReturnsTwice: false |
| 164 | +legalized: false |
| 165 | +regBankSelected: false |
| 166 | +selected: false |
| 167 | +failedISel: false |
| 168 | +tracksRegLiveness: true |
| 169 | +hasWinCFI: false |
| 170 | +registers: [] |
| 171 | +liveins: [] |
| 172 | +frameInfo: |
| 173 | + isFrameAddressTaken: false |
| 174 | + isReturnAddressTaken: false |
| 175 | + hasStackMap: false |
| 176 | + hasPatchPoint: false |
| 177 | + stackSize: 64 |
| 178 | + offsetAdjustment: 0 |
| 179 | + maxAlignment: 0 |
| 180 | + adjustsStack: true |
| 181 | + hasCalls: true |
| 182 | + stackProtector: '' |
| 183 | + maxCallFrameSize: 32 |
| 184 | + cvBytesOfCalleeSavedRegisters: 0 |
| 185 | + hasOpaqueSPAdjustment: false |
| 186 | + hasVAStart: false |
| 187 | + hasMustTailInVarArgFunc: false |
| 188 | + localFrameSize: 0 |
| 189 | + savePoint: '' |
| 190 | + restorePoint: '' |
| 191 | +fixedStack: |
| 192 | + - { id: 0, type: spill-slot, offset: -80, size: 8, alignment: 16, stack-id: default, |
| 193 | + callee-saved-register: '$x30', callee-saved-restored: true, debug-info-variable: '', |
| 194 | + debug-info-expression: '', debug-info-location: '' } |
| 195 | + - { id: 1, type: spill-slot, offset: -88, size: 8, alignment: 8, stack-id: default, |
| 196 | + callee-saved-register: '$x29', callee-saved-restored: true, debug-info-variable: '', |
| 197 | + debug-info-expression: '', debug-info-location: '' } |
| 198 | +stack: [] |
| 199 | +callSites: [] |
| 200 | +constants: [] |
| 201 | +machineFunctionInfo: {} |
| 202 | +body: | |
| 203 | + bb.0.entry: |
| 204 | + successors: %bb.1(0x80000000) |
| 205 | + liveins: $x29, $x30 |
| 206 | + |
| 207 | + $x0 = MFLR8 implicit $lr8 |
| 208 | + CFI_INSTRUCTION def_cfa_offset 64 |
| 209 | + CFI_INSTRUCTION offset $lr8, 16 |
| 210 | + CFI_INSTRUCTION offset $x29, -24 |
| 211 | + CFI_INSTRUCTION offset $x30, -16 |
| 212 | + STD killed $x29, -24, $x1 :: (store 8 into %fixed-stack.1) |
| 213 | + STD killed $x30, -16, $x1 :: (store 8 into %fixed-stack.0, align 16) |
| 214 | + STD killed $x0, 16, $x1 |
| 215 | + $x1 = STDU $x1, -64, $x1 |
| 216 | + renamable $r29 = LI 10 |
| 217 | + |
| 218 | + bb.1.for.body: |
| 219 | + successors: %bb.2(0x7ffff800), %bb.3(0x00000800) |
| 220 | + liveins: $r29 |
| 221 | + |
| 222 | + EH_LABEL <mcsymbol .Ltmp0> |
| 223 | + BL8_NOP @__cxa_rethrow, csr_svr464_altivec, implicit-def dead $lr8, implicit $rm, implicit-def $r1 |
| 224 | + EH_LABEL <mcsymbol .Ltmp1> |
| 225 | + |
| 226 | + bb.2..noexc: |
| 227 | + successors: |
| 228 | + |
| 229 | + |
| 230 | + bb.3.lpad (landing-pad): |
| 231 | + successors: %bb.4(0x00000001), %bb.5(0x7fffffff) |
| 232 | + liveins: $r29, $x3, $x4 |
| 233 | + |
| 234 | + EH_LABEL <mcsymbol .Ltmp2> |
| 235 | + $x30 = OR8 killed $x4, $x4 |
| 236 | + renamable $cr0 = CMPLWI renamable $r30, 3 |
| 237 | + BCC 71, killed renamable $cr0, %bb.5 |
| 238 | + |
| 239 | + bb.4.catch4: |
| 240 | + successors: %bb.11(0x7ffff800), %bb.6(0x00000800) |
| 241 | + liveins: $r29, $x3 |
| 242 | + |
| 243 | + BL8_NOP @__cxa_begin_catch, csr_svr464_altivec, implicit-def dead $lr8, implicit $rm, implicit killed $x3, implicit $x2, implicit-def $r1, implicit-def dead $x3 |
| 244 | + EH_LABEL <mcsymbol .Ltmp3> |
| 245 | + BL8_NOP @__cxa_rethrow, csr_svr464_altivec, implicit-def dead $lr8, implicit $rm, implicit-def $r1 |
| 246 | + EH_LABEL <mcsymbol .Ltmp4> |
| 247 | + B %bb.11 |
| 248 | + |
| 249 | + bb.5.catch.fallthrough: |
| 250 | + successors: %bb.8(0x80000000) |
| 251 | + liveins: $r29, $x3, $x30 |
| 252 | + |
| 253 | + BL8_NOP @__cxa_begin_catch, csr_svr464_altivec, implicit-def dead $lr8, implicit $rm, implicit killed $x3, implicit $x2, implicit-def $r1, implicit-def dead $x3 |
| 254 | + renamable $cr0 = CMPLWI killed renamable $r30, 2, implicit $x30 |
| 255 | + B %bb.8 |
| 256 | + |
| 257 | + bb.6.lpad6 (landing-pad): |
| 258 | + successors: %bb.7(0x7fffffff), %bb.10(0x00000001) |
| 259 | + liveins: $r29, $x3, $x4 |
| 260 | + |
| 261 | + EH_LABEL <mcsymbol .Ltmp5> |
| 262 | + renamable $cr0 = CMPLWI killed renamable $r4, 4, implicit $x4 |
| 263 | + $x30 = OR8 killed $x3, $x3 |
| 264 | + BCC 70, killed renamable $cr0, %bb.10 |
| 265 | + |
| 266 | + bb.7.catch10: |
| 267 | + successors: %bb.8(0x80000000) |
| 268 | + liveins: $r29, $x30 |
| 269 | + |
| 270 | + $x3 = OR8 killed $x30, $x30 |
| 271 | + BL8_NOP @__cxa_begin_catch, csr_svr464_altivec, implicit-def dead $lr8, implicit $rm, implicit killed $x3, implicit-def $r1, implicit-def dead $x3 |
| 272 | + BL8_NOP @__cxa_end_catch, csr_svr464_altivec, implicit-def dead $lr8, implicit $rm, implicit-def $r1 |
| 273 | + |
| 274 | + bb.8.for.inc: |
| 275 | + successors: %bb.9(0x04000000), %bb.1(0x7c000000) |
| 276 | + liveins: $r29 |
| 277 | + |
| 278 | + BL8_NOP @__cxa_end_catch, csr_svr464_altivec, implicit-def dead $lr8, implicit $rm, implicit-def $r1 |
| 279 | + renamable $r29 = nsw ADDI killed renamable $r29, -1 |
| 280 | + renamable $cr0 = CMPLWI renamable $r29, 0 |
| 281 | + BCC 68, killed renamable $cr0, %bb.1 |
| 282 | + |
| 283 | + bb.9.for.cond.cleanup: |
| 284 | + $x1 = ADDI8 $x1, 64 |
| 285 | + $x0 = LD 16, $x1 |
| 286 | + MTLR8 killed $x0, implicit-def $lr8 |
| 287 | + $x30 = LD -16, $x1 :: (load 8 from %fixed-stack.0, align 16) |
| 288 | + $x29 = LD -24, $x1 :: (load 8 from %fixed-stack.1) |
| 289 | + BLR8 implicit $lr8, implicit $rm |
| 290 | + |
| 291 | + bb.10.ehcleanup: |
| 292 | + successors: |
| 293 | + liveins: $x30 |
| 294 | + |
| 295 | + BL8_NOP @__cxa_end_catch, csr_svr464_altivec, implicit-def dead $lr8, implicit $rm, implicit-def $r1 |
| 296 | + $x3 = OR8 killed $x30, $x30 |
| 297 | + BL8_NOP @_Unwind_Resume, csr_svr464_altivec, implicit-def dead $lr8, implicit $rm, implicit killed $x3, implicit-def $r1 |
| 298 | + |
| 299 | + bb.11.unreachable: |
| 300 | +
|
| 301 | + ; CHECK: bb.1.for.body: |
| 302 | + ; CHECK: successors: %bb.2(0x7ffff800), %bb.3(0x00000800) |
| 303 | + ; CHECK: B %bb.2 |
| 304 | +
|
| 305 | + ; CHECK: bb.4.catch4: |
| 306 | + ; CHECK: successors: %bb.11(0x7ffff800), %bb.6(0x00000800) |
| 307 | + ; CHECK: B %bb.11 |
| 308 | +
|
| 309 | + ; CHECK: bb.2..noexc: |
| 310 | +
|
| 311 | + ; CHECK: bb.11.unreachable: |
| 312 | +... |
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