mirror of
https://github.com/c64scene-ar/llvm-6502.git
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2b83af553a
I think this is all of the stuff I had pending in my tree.. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13703 91177308-0d34-0410-b5e6-96231b3b80d8
23 lines
635 B
LLVM
23 lines
635 B
LLVM
; RUN: llvm-as < %s | opt -anders-aa -load-vn -gcse -deadargelim | llvm-dis | grep store | not grep null
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; Because the 'internal' function is passed to an external function, we don't
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; know what the incoming values will alias. As such, we cannot do the
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; optimization checked by the 'arg-must-alias.llx' test.
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declare void %external(int(int*)*)
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%G = internal constant int* null
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implementation
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internal int %internal(int* %ARG) {
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;;; We *DON'T* know that ARG always points to null!
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store int* %ARG, int** %G
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ret int 0
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}
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int %foo() {
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call void %external(int(int*)* %internal)
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%V = call int %internal(int* null)
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ret int %V
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}
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