6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-28 04:33:05 +00:00
Code Issues Projects Releases Wiki Activity

Basic tests for atomic load and store on x86.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138486 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2011-08-24 21:16:59 +00:00
parent a4c86ab073
commit bbc87a3a9a
1 changed files with 22 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
test/CodeGen/X86/atomic-load-store.ll Normal file
View File

@ -0,0 +1,22 @@
; RUN: llc < %s -mtriple=x86_64-apple-macosx10.7.0 | FileCheck %s
define void @test1(i32* %ptr, i32 %val1) {
; CHECK: test1
; CHECK: xchgl %esi, (%rdi)
store atomic i32 %val1, i32* %ptr seq_cst, align 4
ret void
}
define void @test2(i32* %ptr, i32 %val1) {
; CHECK: test2
; CHECK: movl %esi, (%rdi)
store atomic i32 %val1, i32* %ptr release, align 4
ret void
}
define i32 @test3(i32* %ptr) {
; CHECK: test3
; CHECK: movl (%rdi), %eax
%val = load atomic i32* %ptr seq_cst, align 4
ret i32 %val
}