File: swift-csr-win.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (22 lines) | stat: -rw-r--r-- 936 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
; RUN: llc -mtriple aarch64-unknown-windows-msvc %s -o - | FileCheck %s

define internal swifttailcc void @"?future_adapter@@YWXPEAVAsyncContext@swift@@@Z"(ptr noundef swiftasync %_context) #0 {
entry:
  %add.ptr = getelementptr inbounds i8, ptr %_context, i64 -32
  %asyncEntryPoint = getelementptr inbounds i8, ptr %_context, i64 -24
  %0 = load ptr, ptr %asyncEntryPoint, align 8
  %closureContext = getelementptr inbounds i8, ptr %_context, i64 -16
  %1 = load ptr, ptr %closureContext, align 8
  %2 = load ptr, ptr %add.ptr, align 8
  musttail call swifttailcc void %0(ptr noundef %2, ptr noundef swiftasync %_context, ptr noundef swiftself %1) #17
  ret void
}

; Check that x20 isn't saved/restored at the prologue/epilogue which
; would interfere with the outgoing self parameter on x20 at the tail
; call.

; CHECK-NOT:  st{{.*}}x20
; CHECK:      ldp x1, x20, [x22, #-24]
; CHECK-NEXT: ldur x0, [x22, #-32]
; CHECK-NEXT: br x1