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; RUN: llc -mtriple=x86_64-apple-darwin %s -o - | FileCheck %s
declare swifttailcc void @swifttail_callee()
define swifttailcc void @swifttail() {
; CHECK-LABEL: swifttail:
; CHECK-NOT: popq %r14
call void asm "","~{r14}"()
tail call swifttailcc void @swifttail_callee()
ret void
}
define swifttailcc void @no_preserve_swiftself() {
; CHECK-LABEL: no_preserve_swiftself:
; CHECK-NOT: popq %r13
call void asm "","~{r13}"()
ret void
}
declare swifttailcc ptr @SwiftSelf(ptr swiftasync %context, ptr swiftself %closure)
define swiftcc ptr @CallSwiftSelf(ptr swiftself %closure, ptr %context) {
; CHECK-LABEL: CallSwiftSelf:
; CHECK: pushq %r13
;call void asm "","~{r13}"() ; We get a push r13 but why not with the call
; below?
%res = call swifttailcc ptr @SwiftSelf(ptr swiftasync %context, ptr swiftself %closure)
ret ptr %res
}
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