Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2020-01-16 16:38:04 +00:00
parent d94e79959b
commit 468663ddbb
48518 changed files with 2789335 additions and 61176 deletions

View File

@@ -0,0 +1,13 @@
; RUN: llc -mattr=avr6 < %s -march=avr | FileCheck %s
; Checks that atomic fences are simply removed from IR.
; AVR is always singlethreaded so fences do nothing.
; CHECK_LABEL: atomic_fence8
; CHECK: ; %bb.0:
; CHECK-NEXT: ret
define void @atomic_fence8() {
fence acquire
ret void
}