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1; This file contains some of the same basic tests as statepoint-vreg.ll, but2; focuses on examining the intermediate representation. It's separate so that3; the main file is easy to update with update_llc_test_checks.py4 5; This run is to demonstrate what MIR SSA looks like.6; RUN: llc -max-registers-for-gc-values=4 -stop-after finalize-isel < %s | FileCheck --check-prefix=CHECK-VREG %s7; This run is to demonstrate register allocator work.8; RUN: llc -max-registers-for-gc-values=4 -stop-after virtregrewriter < %s | FileCheck --check-prefix=CHECK-PREG %s9 10target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"11target triple = "x86_64-pc-linux-gnu"12 13declare dso_local i1 @return_i1()14declare dso_local void @func()15declare dso_local void @consume(ptr addrspace(1))16declare dso_local void @consume2(ptr addrspace(1), ptr addrspace(1))17declare dso_local void @consume5(ptr addrspace(1), ptr addrspace(1), ptr addrspace(1), ptr addrspace(1), ptr addrspace(1))18declare dso_local void @use1(ptr addrspace(1), ptr addrspace(1))19declare dso_local void @bar(ptr addrspace(1), ptr addrspace(1))20declare ptr addrspace(1) @dummy(i32)21 22; test most simple relocate23define i1 @test_relocate(ptr addrspace(1) %a) gc "statepoint-example" {24; CHECK-VREG-LABEL: name: test_relocate25; CHECK-VREG: %0:gr64 = COPY $rdi26; CHECK-VREG: %1:gr64 = STATEPOINT 0, 0, 0, @return_i1, 2, 0, 2, 0, 2, 0, 2, 1, %0(tied-def 0), 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp, implicit-def $al27; CHECK-VREG: %2:gr8 = COPY $al28; CHECK-VREG: $rdi = COPY %129; CHECK-VREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp30 31; CHECK-PREG-LABEL: name: test_relocate32; CHECK-PREG: renamable $rbx = COPY $rdi33; CHECK-PREG: renamable $rbx = STATEPOINT 0, 0, 0, @return_i1, 2, 0, 2, 0, 2, 0, 2, 1, killed renamable $rbx(tied-def 0), 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp, implicit-def $al34; CHECK-PREG: renamable $bpl = COPY $al35; CHECK-PREG: $rdi = COPY killed renamable $rbx36; CHECK-PREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp37 38entry:39 %safepoint_token = tail call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(i1 ()) @return_i1, i32 0, i32 0, i32 0, i32 0) ["gc-live" (ptr addrspace(1) %a)]40 %rel1 = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 0, i32 0)41 %res1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token)42 call void @consume(ptr addrspace(1) %rel1)43 ret i1 %res144}45; test pointer variables intermixed with pointer constants46define void @test_mixed(ptr addrspace(1) %a, ptr addrspace(1) %b, ptr addrspace(1) %c) gc "statepoint-example" {47; CHECK-VREG-LABEL: name: test_mixed48; CHECK-VREG: %2:gr64 = COPY $rdx49; CHECK-VREG: %1:gr64 = COPY $rsi50; CHECK-VREG: %0:gr64 = COPY $rdi51; CHECK-VREG: %3:gr64, %4:gr64, %5:gr64 = STATEPOINT 0, 0, 0, @func, 2, 0, 2, 0, 2, 0, 2, 4, %2(tied-def 0), 2, 0, %1(tied-def 1), %0(tied-def 2), 2, 0, 2, 4, 0, 0, 1, 1, 2, 2, 3, 3, csr_64, implicit-def $rsp, implicit-def $ssp52; CHECK-VREG: %6:gr32 = MOV32r0 implicit-def dead $eflags53; CHECK-VREG: %7:gr64 = SUBREG_TO_REG 0, killed %6, %subreg.sub_32bit54; CHECK-VREG: $rdi = COPY %555; CHECK-VREG: $rsi = COPY %756; CHECK-VREG: $rdx = COPY %457; CHECK-VREG: $rcx = COPY %758; CHECK-VREG: $r8 = COPY %359; CHECK-VREG: CALL64pcrel32 @consume5, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit $rdx, implicit $rcx, implicit $r8, implicit-def $rsp, implicit-def $ssp60 61; CHECK-PREG-LABEL: name: test_mixed62; CHECK-PREG: renamable $rbx = COPY $rdx63; CHECK-PREG: renamable $r14 = COPY $rsi64; CHECK-PREG: renamable $r15 = COPY $rdi65; CHECK-PREG: renamable $rbx, renamable $r14, renamable $r15 = STATEPOINT 0, 0, 0, @func, 2, 0, 2, 0, 2, 0, 2, 4, killed renamable $rbx(tied-def 0), 2, 0, killed renamable $r14(tied-def 1), killed renamable $r15(tied-def 2), 2, 0, 2, 4, 0, 0, 1, 1, 2, 2, 3, 3, csr_64, implicit-def $rsp, implicit-def $ssp66; CHECK-PREG: $rdi = COPY killed renamable $r1567; CHECK-PREG: dead $esi = MOV32r0 implicit-def dead $eflags, implicit-def $rsi68; CHECK-PREG: $rdx = COPY killed renamable $r1469; CHECK-PREG: dead $ecx = MOV32r0 implicit-def dead $eflags, implicit-def $rcx70; CHECK-PREG: $r8 = COPY killed renamable $rbx71; CHECK-PREG: CALL64pcrel32 @consume5, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit $rdx, implicit killed $rcx, implicit killed $r8, implicit-def $rsp, implicit-def $ssp72 73entry:74 %safepoint_token = tail call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @func, i32 0, i32 0, i32 0, i32 0) ["gc-live" (ptr addrspace(1) %a, ptr addrspace(1) null, ptr addrspace(1) %b, ptr addrspace(1) null, ptr addrspace(1) %c)]75 %rel1 = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 0, i32 0)76 %rel2 = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 1, i32 1)77 %rel3 = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 2, i32 2)78 %rel4 = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 3, i32 3)79 %rel5 = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 4, i32 4)80 call void @consume5(ptr addrspace(1) %rel1, ptr addrspace(1) %rel2, ptr addrspace(1) %rel3, ptr addrspace(1) %rel4, ptr addrspace(1) %rel5)81 ret void82}83 84; same as above, but for alloca85define ptr addrspace(1) @test_alloca(ptr addrspace(1) %ptr) gc "statepoint-example" {86; CHECK-VREG-LABEL: name: test_alloca87; CHECK-VREG: %0:gr64 = COPY $rdi88; CHECK-VREG: MOV64mr %stack.0.alloca, 1, $noreg, 0, $noreg, %0 :: (store (s64) into %ir.alloca)89; CHECK-VREG: %1:gr64 = STATEPOINT 0, 0, 0, @return_i1, 2, 0, 2, 0, 2, 0, 2, 1, %0(tied-def 0), 2, 1, 0, %stack.0.alloca, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp, implicit-def $al :: (volatile load store (s64) on %stack.0.alloca)90; CHECK-VREG: %2:gr8 = COPY $al91; CHECK-VREG: %3:gr64 = MOV64rm %stack.0.alloca, 1, $noreg, 0, $noreg :: (dereferenceable load (s64) from %ir.alloca)92; CHECK-VREG: $rdi = COPY %193; CHECK-VREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp94 95; CHECK-PREG-LABEL: name: test_alloca96; CHECK-PREG: renamable $rbx = COPY $rdi97; CHECK-PREG: MOV64mr %stack.0.alloca, 1, $noreg, 0, $noreg, renamable $rbx :: (store (s64) into %ir.alloca)98; CHECK-PREG: renamable $rbx = STATEPOINT 0, 0, 0, @return_i1, 2, 0, 2, 0, 2, 0, 2, 1, killed renamable $rbx(tied-def 0), 2, 1, 0, %stack.0.alloca, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp, implicit-def dead $al :: (volatile load store (s64) on %stack.0.alloca)99; CHECK-PREG: renamable $r14 = MOV64rm %stack.0.alloca, 1, $noreg, 0, $noreg :: (dereferenceable load (s64) from %ir.alloca)100; CHECK-PREG: $rdi = COPY killed renamable $rbx101; CHECK-PREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp102 103entry:104 %alloca = alloca ptr addrspace(1), align 8105 store ptr addrspace(1) %ptr, ptr %alloca106 %safepoint_token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(i1 ()) @return_i1, i32 0, i32 0, i32 0, i32 0) ["gc-live" (ptr %alloca, ptr addrspace(1) %ptr)]107 %rel1 = load ptr addrspace(1), ptr %alloca108 %rel2 = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 1, i32 1)109 call void @consume(ptr addrspace(1) %rel2)110 ret ptr addrspace(1) %rel1111}112 113; test base != derived114define void @test_base_derived(ptr addrspace(1) %base, ptr addrspace(1) %derived) gc "statepoint-example" {115; CHECK-VREG-LABEL: name: test_base_derived116; CHECK-VREG: %1:gr64 = COPY $rsi117; CHECK-VREG: %0:gr64 = COPY $rdi118; CHECK-VREG: %2:gr64, %3:gr64 = STATEPOINT 0, 0, 0, @func, 2, 0, 2, 0, 2, 0, 2, 2, %1(tied-def 0), %0(tied-def 1), 2, 0, 2, 1, 1, 0, csr_64, implicit-def $rsp, implicit-def $ssp119; CHECK-VREG: $rdi = COPY %2120; CHECK-VREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp121 122; CHECK-PREG-LABEL: name: test_base_derived123; CHECK-PREG: renamable $rbx = COPY $rsi124; CHECK-PREG: renamable $rbx, dead renamable $r14 = STATEPOINT 0, 0, 0, @func, 2, 0, 2, 0, 2, 0, 2, 2, killed renamable $rbx(tied-def 0), killed renamable $r14(tied-def 1), 2, 0, 2, 1, 1, 0, csr_64, implicit-def $rsp, implicit-def $ssp125; CHECK-PREG: $rdi = COPY killed renamable $rbx126; CHECK-PREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp127 128 %safepoint_token = tail call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @func, i32 0, i32 0, i32 0, i32 0) ["gc-live" (ptr addrspace(1) %base, ptr addrspace(1) %derived)]129 %reloc = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 0, i32 1)130 call void @consume(ptr addrspace(1) %reloc)131 ret void132}133 134; deopt GC pointer not present in GC args must be spilled135define void @test_deopt_gcpointer(ptr addrspace(1) %a, ptr addrspace(1) %b) gc "statepoint-example" {136; CHECK-VREG-LABEL: name: test_deopt_gcpointer137; CHECK-VREG: %1:gr64 = COPY $rsi138; CHECK-VREG: %0:gr64 = COPY $rdi139; CHECK-VREG: %2:gr64, %3:gr64 = STATEPOINT 0, 0, 0, @func, 2, 0, 2, 0, 2, 1, %0, 2, 2, %1(tied-def 0), %0(tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp140; CHECK-VREG: $rdi = COPY %2141; CHECK-VREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp142; CHECK-VREG: RET 0143 144; CHECK-PREG-LABEL: name: test_deopt_gcpointer145; CHECK-PREG: renamable $rbx = COPY $rsi146; CHECK-PREG: renamable $r14 = COPY $rdi147; CHECK-PREG: renamable $rbx, dead renamable $r14 = STATEPOINT 0, 0, 0, @func, 2, 0, 2, 0, 2, 1, killed renamable $r14, 2, 2, killed renamable $rbx(tied-def 0), renamable $r14(tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp148; CHECK-PREG: $rdi = COPY killed renamable $rbx149; CHECK-PREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp150 151 %safepoint_token = tail call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @func, i32 0, i32 0, i32 0, i32 0) ["deopt" (ptr addrspace(1) %a), "gc-live" (ptr addrspace(1) %b)]152 %rel = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 0, i32 0)153 call void @consume(ptr addrspace(1) %rel)154 ret void155}156 157;; Two gc.relocates of the same input, should require only a single spill/fill158define void @test_gcrelocate_uniqueing(ptr addrspace(1) %ptr) gc "statepoint-example" {159; CHECK-VREG-LABEL: name: test_gcrelocate_uniqueing160; CHECK-VREG: %0:gr64 = COPY $rdi161; CHECK-VREG: %1:gr64 = STATEPOINT 0, 0, 0, @func, 2, 0, 2, 0, 2, 2, %0, 2, 4278124286, 2, 1, %0(tied-def 0), 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp162; CHECK-VREG: $rdi = COPY %1163; CHECK-VREG: $rsi = COPY %1164; CHECK-VREG: CALL64pcrel32 @consume2, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit-def $rsp, implicit-def $ssp165 166; CHECK-PREG-LABEL: name: test_gcrelocate_uniqueing167; CHECK-PREG: renamable $rbx = COPY $rdi168; CHECK-PREG: renamable $rbx = STATEPOINT 0, 0, 0, @func, 2, 0, 2, 0, 2, 2, killed renamable $rbx, 2, 4278124286, 2, 1, renamable $rbx(tied-def 0), 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp169; CHECK-PREG: $rdi = COPY renamable $rbx170; CHECK-PREG: $rsi = COPY killed renamable $rbx171; CHECK-PREG: CALL64pcrel32 @consume2, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit killed $rsi, implicit-def $rsp, implicit-def $ssp172 173 %tok = tail call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @func, i32 0, i32 0, i32 0, i32 0) ["deopt" (ptr addrspace(1) %ptr, i32 undef), "gc-live" (ptr addrspace(1) %ptr, ptr addrspace(1) %ptr)]174 %a = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %tok, i32 0, i32 0)175 %b = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %tok, i32 1, i32 1)176 call void @consume2(ptr addrspace(1) %a, ptr addrspace(1) %b)177 ret void178}179 180; Two gc.relocates of a bitcasted pointer should only require a single spill/fill181define void @test_gcptr_uniqueing(ptr addrspace(1) %ptr) gc "statepoint-example" {182; CHECK-VREG-LABEL: name: test_gcptr_uniqueing183; CHECK-VREG: %0:gr64 = COPY $rdi184; CHECK-VREG: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp185; CHECK-VREG: %1:gr64 = STATEPOINT 0, 0, 0, @func, 2, 0, 2, 0, 2, 2, %0, 2, 4278124286, 2, 1, %0(tied-def 0), 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp186; CHECK-VREG: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp187; CHECK-VREG: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp188; CHECK-VREG: $rdi = COPY %1189; CHECK-VREG: $rsi = COPY %1190; CHECK-VREG: CALL64pcrel32 @use1, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit-def $rsp, implicit-def $ssp191 192; CHECK-PREG-LABEL: name: test_gcptr_uniqueing193; CHECK-PREG: renamable $rbx = COPY $rdi194; CHECK-PREG: renamable $rbx = STATEPOINT 0, 0, 0, @func, 2, 0, 2, 0, 2, 2, killed renamable $rbx, 2, 4278124286, 2, 1, renamable $rbx(tied-def 0), 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp195; CHECK-PREG: $rdi = COPY renamable $rbx196; CHECK-PREG: $rsi = COPY killed renamable $rbx197; CHECK-PREG: CALL64pcrel32 @use1, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit killed $rsi, implicit-def $rsp, implicit-def $ssp198 199 %tok = tail call token (i64, i32, ptr, i32, i32, ...)200 @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @func, i32 0, i32 0, i32 0, i32 0) ["deopt" (ptr addrspace(1) %ptr, i32 undef), "gc-live" (ptr addrspace(1) %ptr, ptr addrspace(1) %ptr)]201 %a = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %tok, i32 0, i32 0)202 %b = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %tok, i32 1, i32 1)203 call void @use1(ptr addrspace(1) %a, ptr addrspace(1) %b)204 ret void205}206 207define i1 @test_cross_bb(ptr addrspace(1) %a, i1 %external_cond) gc "statepoint-example" {208; CHECK-VREG-LABEL: name: test_cross_bb209; CHECK-VREG: bb.0.entry:210; CHECK-VREG: %1:gr32 = COPY $esi211; CHECK-VREG-NEXT: %0:gr64 = COPY $rdi212; CHECK-VREG-NEXT: %4:gr8 = COPY %1.sub_8bit213; CHECK-VREG-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp214; CHECK-VREG-NEXT: %2:gr64 = STATEPOINT 0, 0, 0, @return_i1, 2, 0, 2, 0, 2, 0, 2, 1, %0(tied-def 0), 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp, implicit-def $al215; CHECK-VREG-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp216; CHECK-VREG-NEXT: %5:gr8 = COPY $al217; CHECK-VREG-NEXT: %3:gr8 = COPY %5218; CHECK-VREG-NEXT: TEST8ri killed %4, 1, implicit-def $eflags219; CHECK-VREG-NEXT: JCC_1 %bb.2, 4, implicit $eflags220; CHECK-VREG-NEXT: JMP_1 %bb.1221; CHECK-VREG: bb.1.left:222; CHECK-VREG-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp223; CHECK-VREG-NEXT: $rdi = COPY %2224; CHECK-VREG-NEXT: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp225; CHECK-VREG-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp226; CHECK-VREG-NEXT: $al = COPY %3227; CHECK-VREG-NEXT: RET 0, $al228; CHECK-VREG: bb.2.right:229; CHECK-VREG-NEXT: %6:gr8 = MOV8ri 1230; CHECK-VREG-NEXT: $al = COPY %6231; CHECK-VREG-NEXT: RET 0, $al232 233entry:234 %safepoint_token = tail call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(i1 ()) @return_i1, i32 0, i32 0, i32 0, i32 0) ["gc-live" (ptr addrspace(1) %a)]235 br i1 %external_cond, label %left, label %right236 237left:238 %call1 = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 0, i32 0)239 %call2 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token)240 call void @consume(ptr addrspace(1) %call1)241 ret i1 %call2242 243right:244 ret i1 true245}246 247; Local and non-local relocates of the same value248; CHECK-VREG-LABEL: name: test_local_non_local_reloc249; CHECK-VREG: bb.0.entry:250; CHECK-VREG: %2:gr64 = COPY $rsi251; CHECK-VREG: %1:gr32 = COPY $edi252; CHECK-VREG: %4:gr8 = COPY %1.sub_8bit253; CHECK-VREG: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp254; CHECK-VREG: %5:gr32 = MOV32r0 implicit-def dead $eflags255; CHECK-VREG: $edi = COPY %5256; CHECK-VREG: %6:gr64 = IMPLICIT_DEF257; CHECK-VREG: %0:gr64 = STATEPOINT 2, 5, 1, killed %6, $edi, 2, 0, 2, 0, 2, 0, 2, 1, %2(tied-def 0), 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp, implicit-def $rax258; CHECK-VREG: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp259; CHECK-VREG: %7:gr64 = COPY $rax260; CHECK-VREG: %3:gr64 = COPY %0261; CHECK-VREG: TEST8ri killed %4, 1, implicit-def $eflags262; CHECK-VREG: JCC_1 %bb.2, 5, implicit $eflags263; CHECK-VREG: JMP_1 %bb.1264; CHECK-VREG: bb.1.left:265; CHECK-VREG: $rax = COPY %3266; CHECK-VREG: RET 0, $rax267; CHECK-VREG: bb.2.right:268; CHECK-VREG: $rax = COPY %0269; CHECK-VREG: RET 0, $rax270define ptr addrspace(1) @test_local_non_local_reloc(i1 %c, ptr addrspace(1) %p) gc "statepoint-example" {271entry:272 %statepoint = call token (i64, i32, ptr addrspace(1) (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2, i32 5, ptr addrspace(1) (i32)* nonnull elementtype(ptr addrspace(1) (i32)) @dummy, i32 1, i32 0, i32 0, i32 0, i32 0) [ "deopt"(), "gc-live"(ptr addrspace(1) %p) ]273 %p.relocated = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %statepoint, i32 0, i32 0) ; (%p, %p)274 br i1 %c, label %right, label %left275 276left:277 %p.relocated.2 = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %statepoint, i32 0, i32 0) ; (%p, %p)278 ret ptr addrspace(1) %p.relocated.2279 280right:281 ret ptr addrspace(1) %p.relocated282}283 284; No need to check post-regalloc output as it is the same285define i1 @duplicate_reloc() gc "statepoint-example" {286; CHECK-VREG-LABEL: name: duplicate_reloc287; CHECK-VREG: bb.0.entry:288; CHECK-VREG: STATEPOINT 0, 0, 0, @func, 2, 0, 2, 0, 2, 0, 2, 1, 2, 0, 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp289; CHECK-VREG: STATEPOINT 0, 0, 0, @func, 2, 0, 2, 0, 2, 0, 2, 1, 2, 0, 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp290; CHECK-VREG: %0:gr8 = MOV8ri 1291; CHECK-VREG: $al = COPY %0292; CHECK-VREG: RET 0, $al293 294entry:295 %safepoint_token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @func, i32 0, i32 0, i32 0, i32 0) ["gc-live" (ptr addrspace(1) null, ptr addrspace(1) null)]296 %base = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 0, i32 0)297 %derived = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 0, i32 1)298 %safepoint_token2 = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @func, i32 0, i32 0, i32 0, i32 0) ["gc-live" (ptr addrspace(1) %base, ptr addrspace(1) %derived)]299 %base_reloc = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token2, i32 0, i32 0)300 %derived_reloc = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token2, i32 0, i32 1)301 %cmp1 = icmp eq ptr addrspace(1) %base_reloc, null302 %cmp2 = icmp eq ptr addrspace(1) %derived_reloc, null303 %cmp = and i1 %cmp1, %cmp2304 ret i1 %cmp305}306 307; Vectors cannot go in VRegs308; No need to check post-regalloc output as it is lowered using old scheme309define <2 x ptr addrspace(1)> @test_vector(<2 x ptr addrspace(1)> %obj) gc "statepoint-example" {310; CHECK-VREG-LABEL: name: test_vector311; CHECK-VREG: %0:vr128 = COPY $xmm0312; CHECK-VREG: MOVAPSmr %stack.0, 1, $noreg, 0, $noreg, %0 :: (store (s128) into %stack.0)313; CHECK-VREG: STATEPOINT 0, 0, 0, @func, 2, 0, 2, 0, 2, 0, 2, 1, 1, 16, %stack.0, 0, 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp :: (volatile load store (s128) on %stack.0)314; CHECK-VREG: %1:vr128 = MOVAPSrm %stack.0, 1, $noreg, 0, $noreg :: (load (s128) from %stack.0)315; CHECK-VREG: $xmm0 = COPY %1316; CHECK-VREG: RET 0, $xmm0317 318entry:319 %safepoint_token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @func, i32 0, i32 0, i32 0, i32 0) ["gc-live" (<2 x ptr addrspace(1)> %obj)]320 %obj.relocated = call coldcc <2 x ptr addrspace(1)> @llvm.experimental.gc.relocate.v2p1(token %safepoint_token, i32 0, i32 0) ; (%obj, %obj)321 ret <2 x ptr addrspace(1)> %obj.relocated322}323 324 325; test limit on amount of vregs326define void @test_limit(ptr addrspace(1) %a, ptr addrspace(1) %b, ptr addrspace(1) %c, ptr addrspace(1) %d, ptr addrspace(1) %e) gc "statepoint-example" {327; CHECK-VREG-LABEL: name: test_limit328; CHECK-VREG: %4:gr64 = COPY $r8329; CHECK-VREG: %3:gr64 = COPY $rcx330; CHECK-VREG: %2:gr64 = COPY $rdx331; CHECK-VREG: %1:gr64 = COPY $rsi332; CHECK-VREG: %0:gr64 = COPY $rdi333; CHECK-VREG: MOV64mr %stack.0, 1, $noreg, 0, $noreg, %0 :: (store (s64) into %stack.0)334; CHECK-VREG: %5:gr64, %6:gr64, %7:gr64, %8:gr64 = STATEPOINT 0, 0, 0, @func, 2, 0, 2, 0, 2, 0, 2, 5, %4(tied-def 0), %3(tied-def 1), %2(tied-def 2), %1(tied-def 3), 1, 8, %stack.0, 0, 2, 0, 2, 5, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, csr_64, implicit-def $rsp, implicit-def $ssp :: (volatile load store (s64) on %stack.0)335; CHECK-VREG: %9:gr64 = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load (s64) from %stack.0)336; CHECK-VREG: $rdi = COPY %9337; CHECK-VREG: $rsi = COPY %8338; CHECK-VREG: $rdx = COPY %7339; CHECK-VREG: $rcx = COPY %6340; CHECK-VREG: $r8 = COPY %5341; CHECK-VREG: CALL64pcrel32 @consume5, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit $rdx, implicit $rcx, implicit $r8, implicit-def $rsp, implicit-def $ssp342; CHECK-VREG: RET 0343entry:344 %safepoint_token = tail call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) @func, i32 0, i32 0, i32 0, i32 0) ["gc-live" (ptr addrspace(1) %a, ptr addrspace(1) %b, ptr addrspace(1) %c, ptr addrspace(1) %d, ptr addrspace(1) %e)]345 %rel1 = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 0, i32 0)346 %rel2 = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 1, i32 1)347 %rel3 = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 2, i32 2)348 %rel4 = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 3, i32 3)349 %rel5 = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 4, i32 4)350 call void @consume5(ptr addrspace(1) %rel1, ptr addrspace(1) %rel2, ptr addrspace(1) %rel3, ptr addrspace(1) %rel4, ptr addrspace(1) %rel5)351 ret void352}353 354; Test that CopyFromReg emitted during ISEL processing of gc.relocate are properly ordered w.r.t. statepoint.355define ptr addrspace(1) @test_isel_sched(ptr addrspace(1) %0, ptr addrspace(1) %1, i32 %2) gc "statepoint-example" {356;CHECK-VREG-LABEL: name: test_isel_sched357;CHECK-VREG: bb.0.entry:358;CHECK-VREG: %2:gr32 = COPY $edx359;CHECK-VREG: %1:gr64 = COPY $rsi360;CHECK-VREG: %0:gr64 = COPY $rdi361;CHECK-VREG: TEST32rr %2, %2, implicit-def $eflags362;CHECK-VREG: %3:gr64 = CMOV64rr %1, %0, 4, implicit $eflags363;CHECK-VREG: %4:gr32 = MOV32r0 implicit-def dead $eflags364;CHECK-VREG: %5:gr64 = SUBREG_TO_REG 0, killed %4, %subreg.sub_32bit365;CHECK-VREG: $rdi = COPY %5366;CHECK-VREG: $rsi = COPY %3367;CHECK-VREG: %6:gr64, %7:gr64 = STATEPOINT 10, 0, 2, @bar, $rdi, $rsi, 2, 0, 2, 0, 2, 0, 2, 2, %1(tied-def 0), %0(tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp368;CHECK-VREG: TEST32rr %2, %2, implicit-def $eflags369;CHECK-VREG: %8:gr64 = CMOV64rr %6, killed %7, 4, implicit $eflags370;CHECK-VREG: $rax = COPY %8371;CHECK-VREG: RET 0, $rax372entry:373 %cmp = icmp eq i32 %2, 0374 %ptr = select i1 %cmp, ptr addrspace(1) %0, ptr addrspace(1) %1375 %token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 10, i32 0, ptr elementtype(void (ptr addrspace(1), ptr addrspace(1))) @bar, i32 2, i32 0, ptr addrspace(1) null, ptr addrspace(1) %ptr, i32 0, i32 0) [ "deopt"(), "gc-live"(ptr addrspace(1) %0, ptr addrspace(1) %1) ]376 %rel0 = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %token, i32 0, i32 0)377 %rel1 = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %token, i32 1, i32 1)378 %res = select i1 %cmp, ptr addrspace(1) %rel0, ptr addrspace(1) %rel1379 ret ptr addrspace(1) %res380}381 382; Check that ISEL of gc.relocate used in other BB does not generate extra COPY instruction.383define i1 @test_cross_bb_reloc(ptr addrspace(1) %a, i1 %external_cond) gc "statepoint-example" {384; CHECK-VREG-LABEL: test_cross_bb_reloc385; CHECK-VREG: bb.0.entry:386; CHECK-VREG: [[VREG:%[^ ]+]]:gr64 = STATEPOINT 0, 0, 0, @return_i1, 2, 0, 2, 0, 2, 0, 2, 1, %2(tied-def 0), 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp, implicit-def $al387; CHECK-VREG-NOT: COPY [[VREG]]388; CHECK-VREG: bb.1.left:389; CHECK-VREG: $rdi = COPY [[VREG]]390; CHECK-VREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp391; CHECK-VREG: $al = COPY %1392; CHECK-VREG: RET 0, $al393 394entry:395 %safepoint_token = tail call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(i1 ()) @return_i1, i32 0, i32 0, i32 0, i32 0) ["gc-live" (ptr addrspace(1) %a)]396 %call1 = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token, i32 0, i32 0)397 %call2 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token)398 br i1 %external_cond, label %left, label %right399 400left:401 call void @consume(ptr addrspace(1) %call1)402 ret i1 %call2403 404right:405 ret i1 true406}407 408declare token @llvm.experimental.gc.statepoint.p0(i64, i32, ptr, i32, i32, ...)409declare dso_local ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token, i32, i32)410declare <2 x ptr addrspace(1)> @llvm.experimental.gc.relocate.v2p1(token, i32, i32)411declare dso_local i1 @llvm.experimental.gc.result.i1(token)412 413