File: swifttail-async.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (28 lines) | stat: -rw-r--r-- 852 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
; 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 i8* @SwiftSelf(i8 * swiftasync %context, i8* swiftself %closure)
define swiftcc i8* @CallSwiftSelf(i8* swiftself %closure, i8* %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 i8* @SwiftSelf(i8 * swiftasync %context, i8* swiftself %closure)
  ret i8* %res
}