6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-07-18 12:29:27 +00:00
Code Issues Projects Releases Wiki Activity

new testcase that DS-AA is causing to be miscompiled.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20813 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-03-24 17:57:43 +00:00
parent 1bcb9abb30
commit 4e59c642c8
1 changed files with 26 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
test/Analysis/DSGraph/2005-03-24-Global-Arg-Alias.ll Normal file
View File

@ -0,0 +1,26 @@
; RUN: llvm-as < %s | opt -ds-aa -load-vn -gcse | llvm-dis | grep 'load int* %L'
%G = internal global int* null
int %caller(bool %P) {
%L = alloca int
call void %callee(bool %P, int* %L)
;; At this point, G could point to L, so we can't eliminate these operations.
%GP = load int** %G
store int 17, int* %L
store int 18, int* %GP ;; might clober L
%A = load int* %L ;; is not necessarily 17!
ret int %A
}
internal void %callee(bool %Cond, int* %P) {
br bool %Cond, label %T, label %F
T:
store int* %P, int** %G
ret void
F:
ret void
}