17 lines
430 B
LLVM
17 lines
430 B
LLVM
; This is a basic correctness check for constant propagation. The add
|
|
; instruction should be eliminated.
|
|
|
|
; RUN: opt < %s -passes=instsimplify,dce -S | 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
|
|
}
|
|
|