| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -o - %s -run-pass fixup-statepoint-caller-saved -verify-machineinstrs | FileCheck %s |
| |
| # Check that COPY is not eliminated if dest register is used in |
| # non-meta arguments of statepoint. |
| |
| --- | |
| ; ModuleID = 'cp.ll' |
| source_filename = "cp.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(i64) |
| |
| define i8 addrspace(1)* @test(i64 %a, i64 %b, i64 %c, i8 addrspace(1)* %p) gc "statepoint-example" { |
| entry: |
| %token = call token (i64, i32, void (i64)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi64f(i64 0, i32 0, void (i64)* elementtype(void (i64)) @foo, i32 1, i32 0, i64 %b, i3 0, i32 0) [ "deopt"(i64 %b), "gc-live"(i8 addrspace(1)* %p) ] |
| %p2 = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %token, i32 0, i32 0) ; (%p, %p) |
| ret i8 addrspace(1)* %p2 |
| } |
| |
| ; Function Attrs: nounwind readonly |
| declare i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token, i32 immarg, i32 immarg) #0 |
| |
| declare token @llvm.experimental.gc.statepoint.p0f_isVoidi64f(i64 immarg, i32 immarg, void (i64)*, i32 immarg, i32 immarg, ...) |
| |
| attributes #0 = { nounwind readonly } |
| |
| ... |
| --- |
| name: test |
| alignment: 16 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| failedISel: false |
| tracksRegLiveness: true |
| hasWinCFI: false |
| registers: [] |
| liveins: |
| - { reg: '$rsi', virtual-reg: '' } |
| - { reg: '$rcx', virtual-reg: '' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 8 |
| adjustsStack: false |
| hasCalls: true |
| stackProtector: '' |
| maxCallFrameSize: 4294967295 |
| cvBytesOfCalleeSavedRegisters: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| localFrameSize: 0 |
| savePoint: '' |
| restorePoint: '' |
| fixedStack: [] |
| stack: |
| - { id: 0, name: '', type: default, offset: 0, size: 8, alignment: 8, |
| stack-id: default, callee-saved-register: '', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| callSites: [] |
| constants: [] |
| machineFunctionInfo: {} |
| body: | |
| bb.0.entry: |
| liveins: $rcx, $rsi |
| |
| ; CHECK-LABEL: name: test |
| ; CHECK: liveins: $rcx, $rsi |
| ; CHECK: renamable $rdi = COPY $rsi |
| ; CHECK: MOV64mr %stack.0, 1, $noreg, 0, $noreg, killed renamable $rcx :: (store (s64) into %stack.0) |
| ; CHECK: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp |
| ; CHECK: MOV64mr %stack.1, 1, $noreg, 0, $noreg, $rdi :: (store (s64) into %stack.1) |
| ; CHECK: STATEPOINT 0, 0, 1, @foo, $rdi, 2, 0, 2, 0, 2, 1, 1, 8, %stack.1, 0, 2, 1, 1, 8, %stack.0, 0, 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp :: (volatile load store (s64) on %stack.0), (load (s64) from %stack.1) |
| ; CHECK: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp |
| ; CHECK: renamable $rax = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load (s64) from %stack.0) |
| ; CHECK: RET 0, $rax |
| renamable $rdi = COPY $rsi |
| MOV64mr %stack.0, 1, $noreg, 0, $noreg, killed renamable $rcx :: (store (s64) into %stack.0) |
| ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp |
| STATEPOINT 0, 0, 1, @foo, $rdi, 2, 0, 2, 0, 2, 1, killed renamable $rdi, 2, 1, 1, 8, %stack.0, 0, 2, 0, 2, 1, 0, 0, csr_64, implicit-def $rsp, implicit-def $ssp :: (volatile load store (s64) on %stack.0) |
| ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp |
| renamable $rax = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load (s64) from %stack.0) |
| RET 0, $rax |
| |
| ... |