94 lines
4.0 KiB
YAML
94 lines
4.0 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -o - %s -run-pass fixup-statepoint-caller-saved -verify-machineinstrs | FileCheck %s
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# Check that COPY is not eliminated if dest register is used in
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# non-meta arguments of statepoint.
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--- |
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; ModuleID = 'cp.ll'
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source_filename = "cp.ll"
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-linux-gnu"
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declare void @foo(i64)
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define i8 addrspace(1)* @test(i64 %a, i64 %b, i64 %c, i8 addrspace(1)* %p) gc "statepoint-example" {
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entry:
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%token = call token (i64, i32, void (i64)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi64f(i64 0, i32 0, void (i64)* @foo, i32 1, i32 0, i64 %b, i3 0, i32 0) [ "deopt"(i64 %b), "gc-live"(i8 addrspace(1)* %p) ]
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%p2 = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %token, i32 0, i32 0) ; (%p, %p)
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ret i8 addrspace(1)* %p2
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}
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; Function Attrs: nounwind readonly
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declare i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token, i32 immarg, i32 immarg) #0
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declare token @llvm.experimental.gc.statepoint.p0f_isVoidi64f(i64 immarg, i32 immarg, void (i64)*, i32 immarg, i32 immarg, ...)
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attributes #0 = { nounwind readonly }
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...
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---
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name: test
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alignment: 16
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exposesReturnsTwice: false
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legalized: false
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regBankSelected: false
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selected: false
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failedISel: false
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tracksRegLiveness: true
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hasWinCFI: false
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registers: []
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liveins:
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- { reg: '$rsi', virtual-reg: '' }
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- { reg: '$rcx', virtual-reg: '' }
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frameInfo:
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isFrameAddressTaken: false
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isReturnAddressTaken: false
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hasStackMap: false
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hasPatchPoint: false
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stackSize: 0
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offsetAdjustment: 0
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maxAlignment: 8
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adjustsStack: false
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hasCalls: true
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stackProtector: ''
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maxCallFrameSize: 4294967295
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cvBytesOfCalleeSavedRegisters: 0
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hasOpaqueSPAdjustment: false
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hasVAStart: false
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hasMustTailInVarArgFunc: false
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localFrameSize: 0
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savePoint: ''
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restorePoint: ''
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fixedStack: []
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stack:
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- { id: 0, name: '', type: default, offset: 0, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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callSites: []
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constants: []
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machineFunctionInfo: {}
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body: |
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bb.0.entry:
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liveins: $rcx, $rsi
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; CHECK-LABEL: name: test
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; CHECK: liveins: $rcx, $rsi
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; CHECK: renamable $rdi = COPY $rsi
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; CHECK: MOV64mr %stack.0, 1, $noreg, 0, $noreg, killed renamable $rcx :: (store 8 into %stack.0)
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; CHECK: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
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; CHECK: MOV64mr %stack.1, 1, $noreg, 0, $noreg, $rdi :: (store 8 into %stack.1)
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; 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 8 on %stack.0), (load 8 from %stack.1)
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; CHECK: ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
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; CHECK: renamable $rax = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load 8 from %stack.0)
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; CHECK: RET 0, $rax
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renamable $rdi = COPY $rsi
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MOV64mr %stack.0, 1, $noreg, 0, $noreg, killed renamable $rcx :: (store 8 into %stack.0)
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ADJCALLSTACKDOWN64 0, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
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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 8 on %stack.0)
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ADJCALLSTACKUP64 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
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renamable $rax = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load 8 from %stack.0)
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RET 0, $rax
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...
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