mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-04 06:09:05 +00:00
ec9a35a6f9
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47793 91177308-0d34-0410-b5e6-96231b3b80d8
18 lines
435 B
LLVM
18 lines
435 B
LLVM
; This is a basic sanity check for constant propogation. The add instruction
|
|
; should be eliminated.
|
|
|
|
; RUN: llvm-as < %s | opt -constprop -die | llvm-dis | not grep phi
|
|
|
|
define i32 @test(i1 %B) {
|
|
BB0:
|
|
br i1 %B, label %BB1, label %BB3
|
|
|
|
BB1: ; preds = %BB0
|
|
br label %BB3
|
|
|
|
BB3: ; preds = %BB1, %BB0
|
|
%Ret = phi i32 [ 1, %BB0 ], [ 1, %BB1 ] ; <i32> [#uses=1]
|
|
ret i32 %Ret
|
|
}
|
|
|