mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 00:12:50 +01:00
28 lines
547 B
LLVM
28 lines
547 B
LLVM
; Zero byte allocas should be deleted.
|
|
|
|
; RUN: llvm-upgrade < %s | llvm-as | 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
|
|
}
|
|
|
|
void %test2() {
|
|
%A = alloca int ;; dead.
|
|
store int 123, int* %A
|
|
ret void
|
|
}
|
|
|
|
void %test3() {
|
|
%A = alloca {int} ;; dead.
|
|
%B = getelementptr {int}* %A, int 0, uint 0
|
|
store int 123, int* %B
|
|
ret void
|
|
}
|