1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
; RUN: llc -mtriple aarch64-none-linux-gnu -verify-machineinstrs -stop-after=prologepilog < %s | FileCheck %s
; Check that STATEPOINT instruction prefer to use sp in presense of fp.
target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "aarch64-unknown-linux-gnu"
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, @return_i1, 2, 0, 2, 0, 2, 0, 2, 1, 1, 8, $sp, 24, 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)
|
