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llvm-mirror/test/Regression/Analysis/Andersens/arg-must-alias.ll
Chris Lattner cedf6db567 Testcases for andersen's alias analysis.
I think this is all of the stuff I had pending in my tree..

llvm-svn: 13703
2004-05-23 21:31:00 +00:00

18 lines
395 B
LLVM

; RUN: llvm-as < %s | opt -anders-aa -load-vn -gcse -deadargelim | llvm-dis | not grep ARG
%G = internal constant int* null
implementation
internal int %internal(int* %ARG) {
;; The 'Arg' argument must-aliases the null pointer, so it can be subsituted
;; directly here, making it dead.
store int* %ARG, int** %G
ret int 0
}
int %foo() {
%V = call int %internal(int* null)
ret int %V
}