New testcase, the optimizer can delete zero sized allocas

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12506 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-03-19 06:07:43 +00:00
parent 76cddb08cb
commit f3fbddd333

View File

@ -0,0 +1,14 @@
; Zero byte allocas should be deleted.
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep alloca
declare void %use(...)
void %test() {
%X = alloca [0 x int]
call void(...)* %use([0 x int] *%X)
%Y = alloca int, uint 0
call void(...)* %use(int* %Y)
%Z = alloca {}
call void(...)* %use({}* %Z)
ret void
}