mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-04 05:17:07 +00:00
fce288fc91
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81293 91177308-0d34-0410-b5e6-96231b3b80d8
30 lines
984 B
LLVM
30 lines
984 B
LLVM
; 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* %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
|
|
}
|
|
|