llvm-6502/test/Analysis/BasicAA/modref.ll

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; A very rudimentary test on AliasAnalysis::getModRefInfo.
; RUN: llvm-as < %s | opt -print-all-alias-modref-info -aa-eval -disable-output |& \
; RUN: not grep NoModRef
define i32 @callee() {
%X = alloca { i32, i32 } ; <{ i32, i32 }*> [#uses=1]
%Y = getelementptr { i32, i32 }* %X, i64 0, i32 0 ; <i32*> [#uses=1]
%Z = load i32* %Y ; <i32> [#uses=1]
ret i32 %Z
}
define i32 @caller() {
%X = call i32 @callee( ) ; <i32> [#uses=1]
ret i32 %X
}