File: swift-async-context-seh.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (24 lines) | stat: -rw-r--r-- 827 bytes parent folder | download | duplicates (13) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
; RUN: rm -rf %t && mkdir -p %t
; RUN: llc -mtriple aarch64-unknown-windows-msvc %s -o - | FileCheck %s
; RUN: llc -mtriple aarch64-unknown-windows-msvc -filetype obj %s -o %t/a.o

; Check that the prologue/epilogue instructions for the swift async
; context have an associated SEH instruction and that it doesn't error
; when the output is an object file.

; CHECK: orr     x29, x29, #0x1000000000000000
; CHECK-NEXT: .seh_nop
; CHECK:  str     x22, [sp, #16]
; CHECK-NEXT: .seh_nop
; CHECK: and     x29, x29, #0xefffffffffffffff
; CHECK-NEXT: .seh_nop

declare ptr @llvm.swift.async.context.addr()

define internal swifttailcc void @test(ptr nocapture readonly swiftasync %0) {
entryresume.0:
  %1 = load ptr, ptr %0, align 8
  %2 = tail call ptr @llvm.swift.async.context.addr()
  store ptr %1, ptr %2, align 8
  ret void
}