mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-21 12:02:58 +02:00
ef8c006d34
A cross-thread sequentially consistent fence should be lowered into z/Architecture's BCR serialization instruction, instead of causing a fatal error in the back-end. Author: bryanpkc Differential Revision: http://reviews.llvm.org/D18644 llvm-svn: 265292
17 lines
507 B
LLVM
17 lines
507 B
LLVM
; Test (fast) serialization.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s --check-prefix=Z10
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s --check-prefix=Z196
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=zEC12 | FileCheck %s --check-prefix=ZEC12
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s --check-prefix=Z13
|
|
|
|
define void @test() {
|
|
; Z10: bcr 15, %r0
|
|
; Z196: bcr 14, %r0
|
|
; ZEC12: bcr 14, %r0
|
|
; Z13: bcr 14, %r0
|
|
fence seq_cst
|
|
ret void
|
|
}
|
|
|