llvm-for-llvmta/test/CodeGen/X86/win64_sibcall.ll

39 lines
1.2 KiB
LLVM

; RUN: llc < %s -mtriple=x86_64-pc-win32-coreclr | FileCheck %s -check-prefix=WIN_X64
; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s -check-prefix=LINUX
%Object = type <{ [0 x i64*]* }>
define void @C1(%Object addrspace(1)* %param0) gc "coreclr" {
entry:
; WIN_X64: # %bb.0:
; WIN_X64: pushq %rax
; LINUX: # %bb.0: # %entry
; LINUX: movq $0, -8(%rsp)
%this = alloca %Object addrspace(1)*
store volatile %Object addrspace(1)* null, %Object addrspace(1)** %this
store volatile %Object addrspace(1)* %param0, %Object addrspace(1)** %this
br label %0
; <label>:0 ; preds = %entry
%1 = load %Object addrspace(1)*, %Object addrspace(1)** %this, align 8
; WIN_X64: xorl %r8d, %r8d
; WIN_X64: popq %rax
; WIN_X64: jmp C2 # TAILCALL
; LINUX: xorl %edx, %edx
; LINUX: jmp C2 # TAILCALL
tail call void @C2(%Object addrspace(1)* %1, i32 0, %Object addrspace(1)* null)
ret void
}
declare dso_local void @C2(%Object addrspace(1)*, i32, %Object addrspace(1)*)
; Function Attrs: nounwind
declare dso_local void @llvm.localescape(...) #0
attributes #0 = { nounwind }