1; This file contains some of the same basic tests as statepoint-vreg.ll, but 2; focuses on examining the intermediate representation. It's separate so that 3; the main file is easy to update with update_llc_test_checks.py 4 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 %s 7; 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 %s 9 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(i32 addrspace(1)*) 16declare dso_local void @consume2(i32 addrspace(1)*, i32 addrspace(1)*) 17declare dso_local void @consume5(i32 addrspace(1)*, i32 addrspace(1)*, i32 addrspace(1)*, i32 addrspace(1)*, i32 addrspace(1)*) 18declare dso_local void @use1(i32 addrspace(1)*, i8 addrspace(1)*) 19declare dso_local void @bar(i8 addrspace(1)*, i8 addrspace(1)*) 20 21; test most simple relocate 22define i1 @test_relocate(i32 addrspace(1)* %a) gc "statepoint-example" { 23; CHECK-VREG-LABEL: name: test_relocate 24; CHECK-VREG: %0:gr64 = COPY $rdi 25; 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 $al 26; CHECK-VREG: %2:gr8 = COPY $al 27; CHECK-VREG: $rdi = COPY %1 28; CHECK-VREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp 29 30; CHECK-PREG-LABEL: name: test_relocate 31; CHECK-PREG: renamable $rbx = COPY $rdi 32; 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 $al 33; CHECK-PREG: renamable $bpl = COPY killed $al 34; CHECK-PREG: $rdi = COPY killed renamable $rbx 35; CHECK-PREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp 36 37entry: 38 %safepoint_token = tail call token (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 0, i1 ()* @return_i1, i32 0, i32 0, i32 0, i32 0) ["gc-live" (i32 addrspace(1)* %a)] 39 %rel1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0) 40 %res1 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token) 41 call void @consume(i32 addrspace(1)* %rel1) 42 ret i1 %res1 43} 44; test pointer variables intermixed with pointer constants 45define void @test_mixed(i32 addrspace(1)* %a, i32 addrspace(1)* %b, i32 addrspace(1)* %c) gc "statepoint-example" { 46; CHECK-VREG-LABEL: name: test_mixed 47; CHECK-VREG: %2:gr64 = COPY $rdx 48; CHECK-VREG: %1:gr64 = COPY $rsi 49; CHECK-VREG: %0:gr64 = COPY $rdi 50; 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 $ssp 51; CHECK-VREG: %6:gr32 = MOV32r0 implicit-def dead $eflags 52; CHECK-VREG: %7:gr64 = SUBREG_TO_REG 0, killed %6, %subreg.sub_32bit 53; CHECK-VREG: $rdi = COPY %5 54; CHECK-VREG: $rsi = COPY %7 55; CHECK-VREG: $rdx = COPY %4 56; CHECK-VREG: $rcx = COPY %7 57; CHECK-VREG: $r8 = COPY %3 58; 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 $ssp 59 60; CHECK-PREG-LABEL: name: test_mixed 61; CHECK-PREG: renamable $r14 = COPY $rdx 62; CHECK-PREG: renamable $r15 = COPY $rsi 63; CHECK-PREG: renamable $rbx = COPY $rdi 64; CHECK-PREG: renamable $r14, renamable $r15, renamable $rbx = STATEPOINT 0, 0, 0, @func, 2, 0, 2, 0, 2, 0, 2, 4, killed renamable $r14(tied-def 0), 2, 0, killed renamable $r15(tied-def 1), killed renamable $rbx(tied-def 2), 2, 0, 2, 4, 0, 0, 1, 1, 2, 2, 3, 3, csr_64, implicit-def $rsp, implicit-def $ssp 65; CHECK-PREG: $rdi = COPY killed renamable $rbx 66; CHECK-PREG: dead $esi = MOV32r0 implicit-def dead $eflags, implicit-def $rsi 67; CHECK-PREG: $rdx = COPY killed renamable $r15 68; CHECK-PREG: dead $ecx = MOV32r0 implicit-def dead $eflags, implicit-def $rcx 69; CHECK-PREG: $r8 = COPY killed renamable $r14 70; 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 $ssp 71 72entry: 73 %safepoint_token = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live" (i32 addrspace(1)* %a, i32 addrspace(1)* null, i32 addrspace(1)* %b, i32 addrspace(1)* null, i32 addrspace(1)* %c)] 74 %rel1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0) 75 %rel2 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 1, i32 1) 76 %rel3 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 2, i32 2) 77 %rel4 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 3, i32 3) 78 %rel5 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 4, i32 4) 79 call void @consume5(i32 addrspace(1)* %rel1, i32 addrspace(1)* %rel2, i32 addrspace(1)* %rel3, i32 addrspace(1)* %rel4, i32 addrspace(1)* %rel5) 80 ret void 81} 82 83; same as above, but for alloca 84define i32 addrspace(1)* @test_alloca(i32 addrspace(1)* %ptr) gc "statepoint-example" { 85; CHECK-VREG-LABEL: name: test_alloca 86; CHECK-VREG: %0:gr64 = COPY $rdi 87; CHECK-VREG: MOV64mr %stack.0.alloca, 1, $noreg, 0, $noreg, %0 :: (store (s64) into %ir.alloca) 88; 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) 89; CHECK-VREG: %2:gr8 = COPY $al 90; CHECK-VREG: %3:gr64 = MOV64rm %stack.0.alloca, 1, $noreg, 0, $noreg :: (dereferenceable load (s64) from %ir.alloca) 91; CHECK-VREG: $rdi = COPY %1 92; CHECK-VREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp 93 94; CHECK-PREG-LABEL: name: test_alloca 95; CHECK-PREG: renamable $rbx = COPY $rdi 96; CHECK-PREG: MOV64mr %stack.0.alloca, 1, $noreg, 0, $noreg, renamable $rbx :: (store (s64) into %ir.alloca) 97; 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) 98; CHECK-PREG: renamable $r14 = MOV64rm %stack.0.alloca, 1, $noreg, 0, $noreg :: (dereferenceable load (s64) from %ir.alloca) 99; CHECK-PREG: $rdi = COPY killed renamable $rbx 100; CHECK-PREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp 101 102entry: 103 %alloca = alloca i32 addrspace(1)*, align 8 104 store i32 addrspace(1)* %ptr, i32 addrspace(1)** %alloca 105 %safepoint_token = call token (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 0, i1 ()* @return_i1, i32 0, i32 0, i32 0, i32 0) ["gc-live" (i32 addrspace(1)** %alloca, i32 addrspace(1)* %ptr)] 106 %rel1 = load i32 addrspace(1)*, i32 addrspace(1)** %alloca 107 %rel2 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 1, i32 1) 108 call void @consume(i32 addrspace(1)* %rel2) 109 ret i32 addrspace(1)* %rel1 110} 111 112; test base != derived 113define void @test_base_derived(i32 addrspace(1)* %base, i32 addrspace(1)* %derived) gc "statepoint-example" { 114; CHECK-VREG-LABEL: name: test_base_derived 115; CHECK-VREG: %1:gr64 = COPY $rsi 116; CHECK-VREG: %0:gr64 = COPY $rdi 117; 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 $ssp 118; CHECK-VREG: $rdi = COPY %2 119; CHECK-VREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp 120 121; CHECK-PREG-LABEL: name: test_base_derived 122; CHECK-PREG: renamable $rbx = COPY $rsi 123; 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 $ssp 124; CHECK-PREG: $rdi = COPY killed renamable $rbx 125; CHECK-PREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp 126 127 %safepoint_token = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live" (i32 addrspace(1)* %base, i32 addrspace(1)* %derived)] 128 %reloc = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 1) 129 call void @consume(i32 addrspace(1)* %reloc) 130 ret void 131} 132 133; deopt GC pointer not present in GC args must be spilled 134define void @test_deopt_gcpointer(i32 addrspace(1)* %a, i32 addrspace(1)* %b) gc "statepoint-example" { 135; CHECK-VREG-LABEL: name: test_deopt_gcpointer 136; CHECK-VREG: %1:gr64 = COPY $rsi 137; CHECK-VREG: %0:gr64 = COPY $rdi 138; 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 $ssp 139; CHECK-VREG: $rdi = COPY %2 140; CHECK-VREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp 141; CHECK-VREG: RET 0 142 143; CHECK-PREG-LABEL: name: test_deopt_gcpointer 144; CHECK-PREG: renamable $rbx = COPY $rsi 145; CHECK-PREG: renamable $r14 = COPY $rdi 146; 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 $ssp 147; CHECK-PREG: $rdi = COPY killed renamable $rbx 148; CHECK-PREG: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp 149 150 %safepoint_token = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["deopt" (i32 addrspace(1)* %a), "gc-live" (i32 addrspace(1)* %b)] 151 %rel = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0) 152 call void @consume(i32 addrspace(1)* %rel) 153 ret void 154} 155 156;; Two gc.relocates of the same input, should require only a single spill/fill 157define void @test_gcrelocate_uniqueing(i32 addrspace(1)* %ptr) gc "statepoint-example" { 158; CHECK-VREG-LABEL: name: test_gcrelocate_uniqueing 159; CHECK-VREG: %0:gr64 = COPY $rdi 160; 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 $ssp 161; CHECK-VREG: $rdi = COPY %1 162; CHECK-VREG: $rsi = COPY %1 163; CHECK-VREG: CALL64pcrel32 @consume2, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit-def $rsp, implicit-def $ssp 164 165; CHECK-PREG-LABEL: name: test_gcrelocate_uniqueing 166; CHECK-PREG: renamable $rbx = COPY $rdi 167; 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 $ssp 168; CHECK-PREG: $rdi = COPY renamable $rbx 169; CHECK-PREG: $rsi = COPY killed renamable $rbx 170; CHECK-PREG: CALL64pcrel32 @consume2, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit killed $rsi, implicit-def $rsp, implicit-def $ssp 171 172 %tok = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["deopt" (i32 addrspace(1)* %ptr, i32 undef), "gc-live" (i32 addrspace(1)* %ptr, i32 addrspace(1)* %ptr)] 173 %a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %tok, i32 0, i32 0) 174 %b = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %tok, i32 1, i32 1) 175 call void @consume2(i32 addrspace(1)* %a, i32 addrspace(1)* %b) 176 ret void 177} 178 179; Two gc.relocates of a bitcasted pointer should only require a single spill/fill 180define void @test_gcptr_uniqueing(i32 addrspace(1)* %ptr) gc "statepoint-example" { 181; CHECK-VREG-LABEL: name: test_gcptr_uniqueing 182; CHECK-VREG: %0:gr64 = COPY $rdi 183; CHECK-VREG: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp 184; 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 $ssp 185; CHECK-VREG: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp 186; CHECK-VREG: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp 187; CHECK-VREG: $rdi = COPY %1 188; CHECK-VREG: $rsi = COPY %1 189; CHECK-VREG: CALL64pcrel32 @use1, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit-def $rsp, implicit-def $ssp 190 191; CHECK-PREG-LABEL: name: test_gcptr_uniqueing 192; CHECK-PREG: renamable $rbx = COPY $rdi 193; 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 $ssp 194; CHECK-PREG: $rdi = COPY renamable $rbx 195; CHECK-PREG: $rsi = COPY killed renamable $rbx 196; CHECK-PREG: CALL64pcrel32 @use1, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit killed $rsi, implicit-def $rsp, implicit-def $ssp 197 198 %ptr2 = bitcast i32 addrspace(1)* %ptr to i8 addrspace(1)* 199 %tok = tail call token (i64, i32, void ()*, i32, i32, ...) 200 @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["deopt" (i32 addrspace(1)* %ptr, i32 undef), "gc-live" (i32 addrspace(1)* %ptr, i8 addrspace(1)* %ptr2)] 201 %a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %tok, i32 0, i32 0) 202 %b = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %tok, i32 1, i32 1) 203 call void @use1(i32 addrspace(1)* %a, i8 addrspace(1)* %b) 204 ret void 205} 206 207define i1 @test_cross_bb(i32 addrspace(1)* %a, i1 %external_cond) gc "statepoint-example" { 208; CHECK-VREG-LABEL: name: test_cross_bb 209; CHECK-VREG: bb.0.entry: 210; CHECK-VREG: %1:gr32 = COPY $esi 211; CHECK-VREG-NEXT: %0:gr64 = COPY $rdi 212; CHECK-VREG-NEXT: %4:gr8 = COPY %1.sub_8bit 213; CHECK-VREG-NEXT: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp 214; 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 $al 215; CHECK-VREG-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp 216; CHECK-VREG-NEXT: %5:gr8 = COPY $al 217; CHECK-VREG-NEXT: %3:gr8 = COPY %5 218; CHECK-VREG-NEXT: TEST8ri killed %4, 1, implicit-def $eflags 219; CHECK-VREG-NEXT: JCC_1 %bb.2, 4, implicit $eflags 220; CHECK-VREG-NEXT: JMP_1 %bb.1 221; 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 $ssp 223; CHECK-VREG-NEXT: $rdi = COPY %2 224; CHECK-VREG-NEXT: CALL64pcrel32 @consume, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit-def $rsp, implicit-def $ssp 225; CHECK-VREG-NEXT: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp 226; CHECK-VREG-NEXT: $al = COPY %3 227; CHECK-VREG-NEXT: RET 0, $al 228; CHECK-VREG: bb.2.right: 229; CHECK-VREG-NEXT: %6:gr8 = MOV8ri 1 230; CHECK-VREG-NEXT: $al = COPY %6 231; CHECK-VREG-NEXT: RET 0, $al 232 233entry: 234 %safepoint_token = tail call token (i64, i32, i1 ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_i1f(i64 0, i32 0, i1 ()* @return_i1, i32 0, i32 0, i32 0, i32 0) ["gc-live" (i32 addrspace(1)* %a)] 235 br i1 %external_cond, label %left, label %right 236 237left: 238 %call1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0) 239 %call2 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token) 240 call void @consume(i32 addrspace(1)* %call1) 241 ret i1 %call2 242 243right: 244 ret i1 true 245} 246 247; No need to check post-regalloc output as it is the same 248define i1 @duplicate_reloc() gc "statepoint-example" { 249; CHECK-VREG-LABEL: name: duplicate_reloc 250; CHECK-VREG: bb.0.entry: 251; 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 $ssp 252; 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 $ssp 253; CHECK-VREG: %0:gr8 = MOV8ri 1 254; CHECK-VREG: $al = COPY %0 255; CHECK-VREG: RET 0, $al 256 257entry: 258 %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live" (i32 addrspace(1)* null, i32 addrspace(1)* null)] 259 %base = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0) 260 %derived = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 1) 261 %safepoint_token2 = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live" (i32 addrspace(1)* %base, i32 addrspace(1)* %derived)] 262 %base_reloc = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token2, i32 0, i32 0) 263 %derived_reloc = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token2, i32 0, i32 1) 264 %cmp1 = icmp eq i32 addrspace(1)* %base_reloc, null 265 %cmp2 = icmp eq i32 addrspace(1)* %derived_reloc, null 266 %cmp = and i1 %cmp1, %cmp2 267 ret i1 %cmp 268} 269 270; Vectors cannot go in VRegs 271; No need to check post-regalloc output as it is lowered using old scheme 272define <2 x i8 addrspace(1)*> @test_vector(<2 x i8 addrspace(1)*> %obj) gc "statepoint-example" { 273; CHECK-VREG-LABEL: name: test_vector 274; CHECK-VREG: %0:vr128 = COPY $xmm0 275; CHECK-VREG: MOVAPSmr %stack.0, 1, $noreg, 0, $noreg, %0 :: (store (s128) into %stack.0) 276; 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) 277; CHECK-VREG: %1:vr128 = MOVAPSrm %stack.0, 1, $noreg, 0, $noreg :: (load (s128) from %stack.0) 278; CHECK-VREG: $xmm0 = COPY %1 279; CHECK-VREG: RET 0, $xmm0 280 281entry: 282 %safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live" (<2 x i8 addrspace(1)*> %obj)] 283 %obj.relocated = call coldcc <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token %safepoint_token, i32 0, i32 0) ; (%obj, %obj) 284 ret <2 x i8 addrspace(1)*> %obj.relocated 285} 286 287 288; test limit on amount of vregs 289define void @test_limit(i32 addrspace(1)* %a, i32 addrspace(1)* %b, i32 addrspace(1)* %c, i32 addrspace(1)* %d, i32 addrspace(1)* %e) gc "statepoint-example" { 290; CHECK-VREG-LABEL: name: test_limit 291; CHECK-VREG: %4:gr64 = COPY $r8 292; CHECK-VREG: %3:gr64 = COPY $rcx 293; CHECK-VREG: %2:gr64 = COPY $rdx 294; CHECK-VREG: %1:gr64 = COPY $rsi 295; CHECK-VREG: %0:gr64 = COPY $rdi 296; CHECK-VREG: MOV64mr %stack.0, 1, $noreg, 0, $noreg, %0 :: (store (s64) into %stack.0) 297; 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) 298; CHECK-VREG: %9:gr64 = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load (s64) from %stack.0) 299; CHECK-VREG: $rdi = COPY %9 300; CHECK-VREG: $rsi = COPY %8 301; CHECK-VREG: $rdx = COPY %7 302; CHECK-VREG: $rcx = COPY %6 303; CHECK-VREG: $r8 = COPY %5 304; 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 $ssp 305; CHECK-VREG: RET 0 306entry: 307 %safepoint_token = tail call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live" (i32 addrspace(1)* %a, i32 addrspace(1)* %b, i32 addrspace(1)* %c, i32 addrspace(1)* %d, i32 addrspace(1)* %e)] 308 %rel1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0) 309 %rel2 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 1, i32 1) 310 %rel3 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 2, i32 2) 311 %rel4 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 3, i32 3) 312 %rel5 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 4, i32 4) 313 call void @consume5(i32 addrspace(1)* %rel1, i32 addrspace(1)* %rel2, i32 addrspace(1)* %rel3, i32 addrspace(1)* %rel4, i32 addrspace(1)* %rel5) 314 ret void 315} 316 317; Test that CopyFromReg emitted during ISEL processing of gc.relocate are properly ordered w.r.t. statepoint. 318define i8 addrspace(1)* @test_isel_sched(i8 addrspace(1)* %0, i8 addrspace(1)* %1, i32 %2) gc "statepoint-example" { 319;CHECK-VREG-LABEL: name: test_isel_sched 320;CHECK-VREG: bb.0.entry: 321;CHECK-VREG: %2:gr32 = COPY $edx 322;CHECK-VREG: %1:gr64 = COPY $rsi 323;CHECK-VREG: %0:gr64 = COPY $rdi 324;CHECK-VREG: TEST32rr %2, %2, implicit-def $eflags 325;CHECK-VREG: %5:gr64 = CMOV64rr %1, %0, 4, implicit $eflags 326;CHECK-VREG: %6:gr32 = MOV32r0 implicit-def dead $eflags 327;CHECK-VREG: %7:gr64 = SUBREG_TO_REG 0, killed %6, %subreg.sub_32bit 328;CHECK-VREG: $rdi = COPY %7 329;CHECK-VREG: $rsi = COPY %5 330;CHECK-VREG: %3:gr64, %4: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 $ssp 331;CHECK-VREG: TEST32rr %2, %2, implicit-def $eflags 332;CHECK-VREG: %8:gr64 = CMOV64rr %3, %4, 4, implicit $eflags 333;CHECK-VREG: $rax = COPY %8 334;CHECK-VREG: RET 0, $rax 335entry: 336 %cmp = icmp eq i32 %2, 0 337 %ptr = select i1 %cmp, i8 addrspace(1)* %0, i8 addrspace(1)* %1 338 %token = call token (i64, i32, void (i8 addrspace(1)*, i8 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidp1i8p1i8f(i64 10, i32 0, void (i8 addrspace(1)*, i8 addrspace(1)*)* @bar, i32 2, i32 0, i8 addrspace(1)* null, i8 addrspace(1)* %ptr, i32 0, i32 0) [ "deopt"(), "gc-live"(i8 addrspace(1)* %0, i8 addrspace(1)* %1) ] 339 %rel0 = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %token, i32 0, i32 0) 340 %rel1 = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %token, i32 1, i32 1) 341 %res = select i1 %cmp, i8 addrspace(1)* %rel0, i8 addrspace(1)* %rel1 342 ret i8 addrspace(1)* %res 343} 344 345declare token @llvm.experimental.gc.statepoint.p0f_i1f(i64, i32, i1 ()*, i32, i32, ...) 346declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...) 347declare dso_local i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token, i32, i32) 348declare dso_local i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token, i32, i32) 349declare <2 x i8 addrspace(1)*> @llvm.experimental.gc.relocate.v2p1i8(token, i32, i32) 350declare dso_local i1 @llvm.experimental.gc.result.i1(token) 351declare token @llvm.experimental.gc.statepoint.p0f_isVoidp1i8p1i8f(i64 immarg, i32 immarg, void (i8 addrspace(1)*, i8 addrspace(1)*)*, i32 immarg, i32 immarg, ...) 352 353