mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
20fad44ede
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21795 91177308-0d34-0410-b5e6-96231b3b80d8
17 lines
343 B
LLVM
17 lines
343 B
LLVM
; RUN: llvm-as < %s | opt -basicaa -load-vn -gcse -instcombine | llvm-dis | grep 'ret int 0'
|
|
declare void %foo(int*)
|
|
declare void %bar()
|
|
|
|
int %test() {
|
|
%A = alloca int
|
|
call void %foo(int* %A)
|
|
|
|
%X = load int* %A
|
|
tail call void %bar() ;; Cannot modify *%A because it's on the stack.
|
|
%Y = load int* %A
|
|
%Z = sub int %X, %Y
|
|
ret int %Z
|
|
}
|
|
|
|
|