llvm/test/Transforms/ConstProp/basictest.ll

; 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 add

int %test(bool %B) {
	br bool %B, label %BB1, label %BB2
BB1:
	%Val = add int 0, 0
	br label %BB3
BB2:
	br label %BB3
BB3:
	%Ret = phi int [%Val, %BB1], [1, %BB2]
	ret int %Ret
}