llvm-6502/test/Analysis/DSGraph/mustalias.ll
2003-09-15 20:02:53 +00:00

18 lines
364 B
LLVM

; Test that ds-aa is returning must-alias information when it can.
; RUN: llvm-as < %s | opt -no-aa -ds-aa -load-vn -gcse | llvm-dis | not grep load
%X = internal global int 20
implementation
int* %id(int* %P) { ret int* %P }
int %main() {
store int 0, int* %X
%XP = call int* %id(int* %X)
%A = load int* %XP ; Should eliminate load!
ret int %A
}