6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-12 13:30:51 +00:00
Code Issues Projects Releases Wiki Activity

Add a test for r242281 from an old patch of mine.

Browse Source 
This isn't thorough, but should serve as a sanity check.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242356 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sean Silva 2015-07-15 23:23:02 +00:00
parent 102d0382d4
commit 155c5e75fb
1 changed files with 37 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
test/Analysis/GlobalsModRef/atomic-instrs.ll Normal file
View File

@ -0,0 +1,37 @@
; RUN: opt < %s -globalsmodref-aa -gvn -S | FileCheck %s
@X = internal global i32 4
define i32 @test_cmpxchg(i32* %P) {
; CHECK-LABEL: @test_cmpxchg
; CHECK-NEXT: store i32 12, i32* @X
; CHECK-NEXT: call void @modrefX_cmpxchg()
; CHECK-NEXT: %V = load i32, i32* @X
; CHECK-NEXT: ret i32 %V
store i32 12, i32* @X
call void @modrefX_cmpxchg()
%V = load i32, i32* @X
ret i32 %V
}
define void @modrefX_cmpxchg() {
%1 = cmpxchg i32* @X, i32 0, i32 -1 monotonic monotonic
ret void
}
define i32 @test_atomicrmw(i32* %P) {
; CHECK-LABEL: @test_atomicrmw
; CHECK-NEXT: store i32 12, i32* @X
; CHECK-NEXT: call void @modrefXatomicrmw()
; CHECK-NEXT: %V = load i32, i32* @X
; CHECK-NEXT: ret i32 %V
store i32 12, i32* @X
call void @modrefXatomicrmw()
%V = load i32, i32* @X
ret i32 %V
}
define void @modrefXatomicrmw() {
%1 = atomicrmw add i32* @X, i32 1 acquire
ret void
}