; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; RUN: llc -mtriple=x86_64-pc-windows-msvc -mcpu=corei7 < %s | FileCheck %s
; Non-volatile registers are used to pass the first few parameters.
declare void @boring()
declare preserve_nonecc void @continuation(ptr, ptr, ptr, ptr, ptr, ptr)
define preserve_nonecc void @entry(ptr %r12, ptr %r13, ptr %r14, ptr %r15, ptr %rdi, ptr %rsi) {
; CHECK-LABEL: entry:
; CHECK: # %bb.0:
; CHECK-NEXT: subq $40, %rsp
; CHECK-NEXT: .seh_stackalloc 40
; CHECK-NEXT: .seh_endprologue
; CHECK-NEXT: callq boring
; CHECK-NEXT: nop
; CHECK-NEXT: addq $40, %rsp
; CHECK-NEXT: jmp continuation # TAILCALL
; CHECK-NEXT: .seh_endproc
call void @boring()
musttail call preserve_nonecc void @continuation(ptr %r12, ptr %r13, ptr %r14, ptr %r15, ptr %rdi, ptr %rsi)
ret void
}