llvm/test/CodeGen/X86/statepoint-gc-live.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs < %s | FileCheck %s

target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-win64"

declare void @foo()

define void @test_empty() gc "statepoint-example" {
; CHECK-LABEL: test_empty:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    pushq %rax
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    callq foo
; CHECK-NEXT:  .Ltmp0:
; CHECK-NEXT:    popq %rax
; CHECK-NEXT:    .cfi_def_cfa_offset 8
; CHECK-NEXT:    retq
entry:
  %token = call 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" ()]
  ret void
}

define void @test_dead(i8 addrspace(1)* %p) gc "statepoint-example" {
; CHECK-LABEL: test_dead:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    pushq %rax
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    callq foo
; CHECK-NEXT:  .Ltmp1:
; CHECK-NEXT:    popq %rax
; CHECK-NEXT:    .cfi_def_cfa_offset 8
; CHECK-NEXT:    retq
entry:
  %token = call 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)]
  ret void
}

define i8 addrspace(1)* @test_one(i8 addrspace(1)* %p) gc "statepoint-example" {
; CHECK-LABEL: test_one:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    pushq %rax
; CHECK-NEXT:    .cfi_def_cfa_offset 16
; CHECK-NEXT:    movq %rdi, (%rsp)
; CHECK-NEXT:    callq foo
; CHECK-NEXT:  .Ltmp2:
; CHECK-NEXT:    movq (%rsp), %rax
; CHECK-NEXT:    popq %rcx
; CHECK-NEXT:    .cfi_def_cfa_offset 8
; CHECK-NEXT:    retq
entry:
  %token = call 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)]
  %p2 = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %token, i32 0, i32 0)
  ret i8 addrspace(1)* %p2
}

define i8 addrspace(1)* @test_one_derived(i8 addrspace(1)* %p) gc "statepoint-example" {
; CHECK-LABEL: test_one_derived:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    subq $24, %rsp
; CHECK-NEXT:    .cfi_def_cfa_offset 32
; CHECK-NEXT:    movq %rdi, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    addq $8, %rdi
; CHECK-NEXT:    movq %rdi, {{[0-9]+}}(%rsp)
; CHECK-NEXT:    callq foo
; CHECK-NEXT:  .Ltmp3:
; CHECK-NEXT:    movq {{[0-9]+}}(%rsp), %rax
; CHECK-NEXT:    addq $24, %rsp
; CHECK-NEXT:    .cfi_def_cfa_offset 8
; CHECK-NEXT:    retq
entry:
  %gep = getelementptr i8, i8 addrspace(1)* %p, i32 8
  %token = call 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)* %gep)]
  %gep2 = call i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %token, i32 0, i32 1)
  ret i8 addrspace(1)* %gep2
}



declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
declare i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token, i32, i32)