mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-20 10:30:03 +00:00
e5445dc6a2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25297 91177308-0d34-0410-b5e6-96231b3b80d8
21 lines
559 B
LLVM
21 lines
559 B
LLVM
; RUN: llvm-as < %s | opt -instcombine -disable-output &&
|
|
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep call
|
|
|
|
;; Test that llvm.stackrestore is removed when possible.
|
|
|
|
int* %test1(uint %P) {
|
|
%tmp = call sbyte* %llvm.stacksave()
|
|
call void %llvm.stackrestore(sbyte* %tmp) ;; not restoring anything
|
|
%A = alloca int, uint %P
|
|
ret int* %A
|
|
}
|
|
|
|
void %test2(sbyte* %X) {
|
|
call void %llvm.stackrestore(sbyte* %X) ;; no allocas before return.
|
|
ret void
|
|
}
|
|
|
|
declare sbyte* %llvm.stacksave()
|
|
|
|
declare void %llvm.stackrestore(sbyte*)
|