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GlobalMR should be able to analyze this function.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20795 91177308-0d34-0410-b5e6-96231b3b80d8
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Chris Lattner 2005-03-23 23:48:56 +00:00
parent 8eec644862
commit e04d51f4a5
1 changed files with 20 additions and 0 deletions
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test/Analysis/GlobalsModRef/chaining-analysis.ll Normal file
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; RUN: llvm-as < %s | opt -globalsmodref-aa -load-vn -gcse | llvm-dis | not grep load
; This test requires the use of previous analyses to determine that
; doesnotmodX does not modify X (because 'sin' doesn't).
%X = internal global int 4
declare double %sin(double)
int %test(int *%P) {
store int 12, int* %X
call double %doesnotmodX(double 1.0)
%V = load int* %X
ret int %V
}
double %doesnotmodX(double %V) {
%V2 = call double %sin(double %V)
ret double %V2
}