xref: /llvm-project/llvm/test/CodeGen/X86/statepoint-far-call.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -verify-machineinstrs < %s | FileCheck %s
3; Test to check that Statepoints with X64 far-immediate targets
4; are lowered correctly to an indirect call via a scratch register.
5
6target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
7target triple = "x86_64-pc-win64"
8
9define void @test_far_call() gc "statepoint-example" {
10; CHECK-LABEL: test_far_call:
11; CHECK:       # %bb.0: # %entry
12; CHECK-NEXT:    pushq %rax
13; CHECK-NEXT:    .cfi_def_cfa_offset 16
14; CHECK-NEXT:    movabsq $140727162896504, %rax # imm = 0x7FFD988E0078
15; CHECK-NEXT:    callq *%rax
16; CHECK-NEXT:  .Ltmp0:
17; CHECK-NEXT:    popq %rax
18; CHECK-NEXT:    .cfi_def_cfa_offset 8
19; CHECK-NEXT:    retq
20
21entry:
22  %safepoint_token = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(void ()) inttoptr (i64 140727162896504 to ptr), i32 0, i32 0, i32 0, i32 0)
23  ret void
24}
25
26declare token @llvm.experimental.gc.statepoint.p0(i64, i32, ptr, i32, i32, ...)
27
28