mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-07 16:54:48 +00:00
the optimizers about this. For example, a readonly function with no uses cannot be removed unless it is also marked nounwind. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71071 91177308-0d34-0410-b5e6-96231b3b80d8
9 lines
189 B
LLVM
9 lines
189 B
LLVM
; RUN: llvm-as < %s | opt -adce | llvm-dis | not grep call
|
|
|
|
declare i32 @strlen(i8*) readonly nounwind
|
|
|
|
define void @test() {
|
|
call i32 @strlen( i8* null ) ; <i32>:1 [#uses=0]
|
|
ret void
|
|
}
|