mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-17 18:31:04 +00:00
30 lines
465 B
Plaintext
30 lines
465 B
Plaintext
|
; Test that PHI nodes and select instructions do not necessarily make stuff
|
||
|
|
; non-constant.
|
||
|
|
|
||
|
|
; RUN: llvm-as < %s | opt -globalopt | llvm-dis | not grep global
|
||
|
|
|
||
|
|
%X = internal global int 4
|
||
|
|
%Y = internal global int 5
|
||
|
|
|
||
|
|
int %test1(bool %C) {
|
||
|
|
%P = select bool %C, int* %X, int* %Y
|
||
|
|
%V = load int* %P
|
||
|
|
ret int %V
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int %test2(bool %C) {
|
||
|
|
br bool %C, label %T, label %Cont
|
||
|
|
T:
|
||
|
|
br label %Cont
|
||
|
|
Cont:
|
||
|
|
%P = phi int* [%X, %0], [%Y, %T]
|
||
|
|
%V = load int* %P
|
||
|
|
ret int %V
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|