| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -o - %s -fixup-allow-gcptr-in-csr=false -run-pass fixup-statepoint-caller-saved | FileCheck %s |
| |
| # NOTE: MIR in this test was hand edited to have two statepoints share single landing pad. |
| # This is forbidden in IR, but is allowed in MIR. I just was unable to reproduce conditions |
| # under which landing pad merge happens. So I did it manually. |
| # |
| --- | |
| ; ModuleID = 'statepoint-fixup-shared-ehpad.ll' |
| source_filename = "statepoint-fixup-shared-ehpad.ll" |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-pc-linux-gnu" |
| |
| declare void @foo() |
| |
| declare void @bar() |
| |
| declare i32 @personality_function() |
| |
| define i8 addrspace(1)* @test_one(i32 %a, i8 addrspace(1)* %p, i8 addrspace(1)* %q) gc "statepoint-example" personality i32 ()* @personality_function { |
| entry: |
| %cmp = icmp eq i32 %a, 0 |
| br i1 %cmp, label %zero, label %nonzero |
| |
| zero: ; preds = %entry |
| %token = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* %p, i8 addrspace(1)* %q) ] |
| to label %normal_dest_a unwind label %exceptional_return_a |
| |
| nonzero: ; preds = %entry |
| %token2 = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @bar, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i8 addrspace(1)* %p, i8 addrspace(1)* %q) ] |
| to label %normal_dest_b unwind label %exceptional_return_b |
| |
| normal_dest_a: ; preds = %zero |
| %p2 = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %token, i32 0, i32 0) ; (%p, %p) |
| ret i8 addrspace(1)* %p2 |
| |
| exceptional_return_a: ; preds = %zero |
| %landing_pad = landingpad token |
| cleanup |
| %q2 = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %landing_pad, i32 1, i32 1) ; (%q, %q) |
| ret i8 addrspace(1)* %q2 |
| |
| normal_dest_b: ; preds = %nonzero |
| %p3 = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %token2, i32 0, i32 0) ; (%p, %p) |
| ret i8 addrspace(1)* %p3 |
| |
| exceptional_return_b: ; preds = %nonzero |
| %landing_pad2 = landingpad token |
| cleanup |
| %q3 = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %landing_pad2, i32 1, i32 1) ; (%q, %q) |
| ret i8 addrspace(1)* %q3 |
| } |
| |
| declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 immarg, i32 immarg, void ()*, i32 immarg, i32 immarg, ...) |
| |
| ; Function Attrs: nounwind readonly |
| declare i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token, i32 immarg, i32 immarg) #0 |
| |
| attributes #0 = { nounwind readonly } |
| attributes #1 = { nounwind } |
| |
| ... |
| --- |
| name: test_one |
| alignment: 16 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| failedISel: false |
| tracksRegLiveness: true |
| hasWinCFI: false |
| registers: [] |
| liveins: |
| - { reg: '$edi', virtual-reg: '' } |
| - { reg: '$rsi', virtual-reg: '' } |
| - { reg: '$rdx', virtual-reg: '' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 1 |
| adjustsStack: false |
| hasCalls: true |
| stackProtector: '' |
| maxCallFrameSize: 4294967295 |
| cvBytesOfCalleeSavedRegisters: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| localFrameSize: 0 |
| savePoint: '' |
| restorePoint: '' |
| fixedStack: [] |
| stack: [] |
| callSites: [] |
| constants: [] |
| machineFunctionInfo: {} |
| body: | |
| ; CHECK-LABEL: name: test_one |
| ; CHECK: bb.1: |
| ; CHECK: successors: %bb.3(0x40000000), %bb.4(0x40000000) |
| ; CHECK: liveins: $rbx, $r14 |
| ; CHECK: EH_LABEL <mcsymbol Ltmp0> |
| ; CHECK: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp |
| ; CHECK: MOV64mr [[STACK0:%stack.[0-9]+]], 1, $noreg, 0, $noreg, killed $rbx :: (store 8 into [[STACK0]]) |
| ; CHECK: MOV64mr [[STACK1:%stack.[0-9]+]], 1, $noreg, 0, $noreg, killed $r14 :: (store 8 into [[STACK1]]) |
| ; CHECK: STATEPOINT 0, 0, 0, @foo, 2, 0, 2, 0, 2, 0, 2, 2, 1, 8, [[STACK0]], 0, 1, 8, [[STACK1]], 0, 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp :: (load store 8 on [[STACK1]]), (load store 8 on [[STACK0]]) |
| ; CHECK-DAG: $rbx = MOV64rm [[STACK0]], 1, $noreg, 0, $noreg :: (load 8 from [[STACK0]]) |
| ; CHECK-DAG: $r14 = MOV64rm [[STACK1]], 1, $noreg, 0, $noreg :: (load 8 from [[STACK1]]) |
| ; CHECK: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp |
| ; CHECK: EH_LABEL <mcsymbol Ltmp1> |
| ; CHECK: JMP_1 %bb.3 |
| ; CHECK: bb.2: |
| ; CHECK: successors: %bb.5(0x40000000), %bb.4(0x40000000) |
| ; CHECK: liveins: $rbx, $r14 |
| ; CHECK: EH_LABEL <mcsymbol Ltmp2> |
| ; CHECK: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp |
| ; CHECK-DAG: MOV64mr [[STACK0]], 1, $noreg, 0, $noreg, killed $rbx :: (store 8 into [[STACK0]]) |
| ; CHECK-DAG: MOV64mr [[STACK1]], 1, $noreg, 0, $noreg, killed $r14 :: (store 8 into [[STACK1]]) |
| ; CHECK: STATEPOINT 0, 0, 0, @bar, 2, 0, 2, 0, 2, 0, 2, 2, 1, 8, %stack.0, 0, 1, 8, [[STACK1]], 0, 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp :: (load store 8 on [[STACK1]]), (load store 8 on [[STACK0]]) |
| ; CHECK-DAG: $rbx = MOV64rm [[STACK0]], 1, $noreg, 0, $noreg :: (load 8 from [[STACK0]]) |
| ; CHECK-DAG: $r14 = MOV64rm [[STACK1]], 1, $noreg, 0, $noreg :: (load 8 from [[STACK1]]) |
| ; CHECK: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp |
| ; CHECK: EH_LABEL <mcsymbol Ltmp3> |
| ; CHECK: JMP_1 %bb.5 |
| ; CHECK: bb.4 (landing-pad): |
| ; CHECK: liveins: $rax, $rdx, $r14 |
| ; CHECK: EH_LABEL <mcsymbol Ltmp4> |
| ; CHECK-DAG: $rbx = MOV64rm [[STACK0]], 1, $noreg, 0, $noreg :: (load 8 from [[STACK0]]) |
| ; CHECK-DAG: $r14 = MOV64rm [[STACK1]], 1, $noreg, 0, $noreg :: (load 8 from [[STACK1]]) |
| ; CHECK: $rax = COPY killed renamable $r14 |
| ; CHECK: RET 0, $rax |
| bb.0: |
| successors: %bb.1, %bb.2 |
| liveins: $edi, $rdx, $rsi |
| |
| renamable $r14 = COPY $rdx |
| renamable $rbx = COPY $rsi |
| TEST32rr killed renamable $edi, renamable $edi, implicit-def $eflags |
| JCC_1 %bb.2, 5, implicit killed $eflags |
| JMP_1 %bb.1 |
| |
| bb.1: |
| successors: %bb.3, %bb.4 |
| liveins: $rbx, $r14 |
| |
| EH_LABEL <mcsymbol Ltmp0> |
| ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp |
| renamable $rbx, renamable $r14 = STATEPOINT 0, 0, 0, @foo, 2, 0, 2, 0, 2, 0, 2, 2, killed renamable $rbx(tied-def 0), killed renamable $r14(tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp |
| ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp |
| EH_LABEL <mcsymbol Ltmp1> |
| JMP_1 %bb.3 |
| |
| bb.2: |
| successors: %bb.5, %bb.4 |
| liveins: $rbx, $r14 |
| |
| EH_LABEL <mcsymbol Ltmp2> |
| ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp |
| renamable $rbx, renamable $r14 = STATEPOINT 0, 0, 0, @bar, 2, 0, 2, 0, 2, 0, 2, 2, killed renamable $rbx(tied-def 0), killed renamable $r14(tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_64, implicit-def $rsp, implicit-def $ssp |
| ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp |
| EH_LABEL <mcsymbol Ltmp3> |
| JMP_1 %bb.5 |
| |
| bb.3: |
| liveins: $rbx |
| |
| $rax = COPY killed renamable $rbx |
| RET 0, $rax |
| |
| bb.4 (landing-pad): |
| liveins: $rax, $rdx, $r14 |
| |
| EH_LABEL <mcsymbol Ltmp4> |
| $rax = COPY killed renamable $r14 |
| RET 0, $rax |
| |
| bb.5: |
| liveins: $rbx |
| |
| $rax = COPY killed renamable $rbx |
| RET 0, $rax |
| |
| ... |
