6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-15 04:30:12 +00:00
Code Issues Projects Releases Wiki Activity

Make use of the result of the loads even though that means adding -instcombine.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84125 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2009-10-14 19:02:13 +00:00
parent 8e86b5195b
commit ca55ee03b0
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
test/Analysis/BasicAA/2009-10-13-AtomicModRef.ll
View File

@ -1,16 +1,16 @@
; RUN: opt -gvn -S < %s | FileCheck %s ; RUN: opt -gvn -instcombine -S < %s | FileCheck %s
declare i8 @llvm.atomic.load.add.i8.p0i8(i8*, i8) declare i8 @llvm.atomic.load.add.i8.p0i8(i8*, i8)
define void @foo(i8* %ptr) { define i8 @foo(i8* %ptr) {
%P = getelementptr i8* %ptr, i32 0 %P = getelementptr i8* %ptr, i32 0
%Q = getelementptr i8* %ptr, i32 1 %Q = getelementptr i8* %ptr, i32 1
; CHECK: getelementptr ; CHECK: getelementptr
%X = load i8* %P %X = load i8* %P
; CHECK: = load
%Y = call i8 @llvm.atomic.load.add.i8.p0i8(i8* %Q, i8 1) %Y = call i8 @llvm.atomic.load.add.i8.p0i8(i8* %Q, i8 1)
%Z = load i8* %P %Z = load i8* %P
; CHECK-NOT: = load ; CHECK-NOT: = load
ret void %A = sub i8 %X, %Z
; CHECK: ret void ret i8 %A
; CHECK: ret i8 0
} }