mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-08 03:29:41 +00:00
18 lines
427 B
LLVM
18 lines
427 B
LLVM
|
; This is a basic sanity check for constant propogation. The add instruction
|
||
|
|
; and phi instruction should be eliminated.
|
||
|
|
|
||
|
|
; RUN: llvm-as < %s | opt -sccp | llvm-dis | not grep phi
|
||
|
|
; RUN: llvm-as < %s | opt -sccp | llvm-dis | not grep add
|
||
|
|
|
||
|
|
define i128 @test(i1 %B) {
|
||
|
|
br i1 %B, label %BB1, label %BB2
|
||
|
|
BB1:
|
||
|
|
%Val = add i128 0, 1
|
||
|
|
br label %BB3
|
||
|
|
BB2:
|
||
|
|
br label %BB3
|
||
|
|
BB3:
|
||
|
|
%Ret = phi i128 [%Val, %BB1], [1, %BB2]
|
||
|
|
ret i128 %Ret
|
||
|
|
}
|