xref: /llvm-project/llvm/test/CodeGen/X86/win64_sibcall.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; RUN: llc < %s -mtriple=x86_64-pc-win32-coreclr | FileCheck %s -check-prefix=WIN_X64
2; RUN: llc < %s -mtriple=x86_64-pc-linux         | FileCheck %s -check-prefix=LINUX
3
4%Object = type <{ ptr }>
5
6define void @C1(ptr addrspace(1) %param0) gc "coreclr" {
7entry:
8
9; WIN_X64: # %bb.0:
10; WIN_X64:	pushq	%rax
11; LINUX:   # %bb.0:                                 # %entry
12; LINUX:	movq	$0, -8(%rsp)
13
14  %this = alloca ptr addrspace(1)
15  store volatile ptr addrspace(1) null, ptr %this
16  store volatile ptr addrspace(1) %param0, ptr %this
17  br label %0
18
19; <label>:0                                       ; preds = %entry
20  %1 = load ptr addrspace(1), ptr %this, align 8
21
22; WIN_X64:	xorl	%r8d, %r8d
23; WIN_X64:	popq	%rax
24; WIN_X64:	jmp	  C2                  # TAILCALL
25; LINUX:	xorl	%edx, %edx
26; LINUX:	jmp	C2                      # TAILCALL
27
28  tail call void @C2(ptr addrspace(1) %1, i32 0, ptr addrspace(1) null)
29  ret void
30}
31
32declare dso_local void @C2(ptr addrspace(1), i32, ptr addrspace(1))
33
34; Function Attrs: nounwind
35declare dso_local void @llvm.localescape(...) #0
36
37attributes #0 = { nounwind }
38
39