mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
e3f27e66e5
we cannot completely eliminate the global. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16900 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
556 B
Plaintext
29 lines
556 B
Plaintext
; RUN: llvm-as < %s | opt -globalopt | llvm-dis | grep 'call void %Actual'
|
|
|
|
; Check that a comparison does not prevent an indirect call from being made
|
|
; direct. The global will still remain, but indirect call elim is still good.
|
|
|
|
%G = internal global void ()* null
|
|
|
|
implementation
|
|
|
|
internal void %Actual() {
|
|
ret void
|
|
}
|
|
|
|
void %init() {
|
|
store void()* %Actual, void()** %G
|
|
ret void
|
|
}
|
|
|
|
void %doit() {
|
|
%FP = load void()** %G
|
|
%CC = seteq void()* %FP, null
|
|
br bool %CC, label %isNull, label %DoCall
|
|
DoCall:
|
|
call void %FP()
|
|
ret void
|
|
isNull:
|
|
ret void
|
|
}
|