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new testcase to verify that we have field sensitive alias analysis info. This

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test cannot be satisfied without interprocedural information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20778 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-03-23 01:46:59 +00:00
parent 7c61b7b6ea
commit ad46cf0282
1 changed files with 21 additions and 0 deletions
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test/Analysis/DSGraph/field-sensitive.ll Normal file
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; Test that ds-aa can be used for queries that require field sensitive AA.
; RUN: llvm-as < %s | opt -no-aa -ds-aa -load-vn -gcse | llvm-dis | not grep load
%Pair = type { int, int }
implementation
%Pair* %id(%Pair* %P) { ret %Pair *%P }
int %foo() {
%X = alloca %Pair
%XP = call %Pair* %id(%Pair* %X)
%F1 = getelementptr %Pair* %X, int 0, uint 0
%F2 = getelementptr %Pair* %XP, int 0, uint 1
store int 14, int* %F1
store int 0, int* %F2 ; no alias F1
%B = load int* %F1 ; Should eliminate load!
ret int %B
}