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| ; RUN: llc < %s
;;
;; Test the sequence:
;; cast -> setle 0, %cast -> br %cond
;; This sequence should cause the cast value to be forwarded twice,
;; i.e., cast is forwarded to the setle and the setle is forwarded
;; to the branch.
;; register argument of the "branch-on-register" instruction, i.e.,
;;
;; This produces the bogus output instruction:
;; brlez <NULL VALUE>, .L_SumArray_bb3.
;; This came from %bb1 of sumarrray.ll generated from sumarray.c.
define i32 @SumArray(i32 %Num) {
%Num.upgrd.1 = alloca i32 ; <i32*> [#uses=2]
br label %Top
Top: ; preds = %Top, %0
store i32 %Num, i32* %Num.upgrd.1
%reg108 = load i32, i32* %Num.upgrd.1 ; <i32> [#uses=1]
%cast1006 = bitcast i32 %reg108 to i32 ; <i32> [#uses=1]
%cond1001 = icmp ule i32 %cast1006, 0 ; <i1> [#uses=1]
br i1 %cond1001, label %bb6, label %Top
bb6: ; preds = %Top
ret i32 42
}
|