llvm/llvm/test/CodeGen/RISCV/rv64-statepoint-call-lowering-x2.ll

; RUN: llc -mtriple riscv64 -verify-machineinstrs -stop-after=prologepilog < %s | FileCheck %s

; Check that STATEPOINT instruction prefer to use x2 in presense of x8.
target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "riscv64"

declare void @consume(ptr addrspace(1) %obj)

define i1 @test(ptr addrspace(1) %a) "frame-pointer"="all" gc "statepoint-example" {
entry:
  %safepoint_token = tail call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 0, i32 0, ptr elementtype(i1 ()) @return_i1, i32 0, i32 0, i32 0, i32 0) ["gc-live" (ptr addrspace(1) %a)]
; CHECK: STATEPOINT 0, 0, 0, target-flags(riscv-call) @return_i1, 2, 0, 2, 0, 2, 0, 2, 1, 1, 8, $x8, -32, 2, 0, 2, 1, 0, 0
  %call1 = call ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token %safepoint_token,  i32 0, i32 0)
  %call2 = call zeroext i1 @llvm.experimental.gc.result.i1(token %safepoint_token)
  call void @consume(ptr addrspace(1) %call1)
  ret i1 %call2
}


declare i1 @return_i1()
declare token @llvm.experimental.gc.statepoint.p0(i64, i32, ptr, i32, i32, ...)
declare ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token, i32, i32)
declare i1 @llvm.experimental.gc.result.i1(token)