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https://github.com/c64scene-ar/llvm-6502.git
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b1e1e82c54
of using llvm-as, now that opt supports this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81226 91177308-0d34-0410-b5e6-96231b3b80d8
21 lines
610 B
LLVM
21 lines
610 B
LLVM
; RUN: opt %s -anders-aa -gvn -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.ll' test.
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declare void @external(i32(i32*)*)
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@G = internal constant i32* null
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define internal i32 @internal(i32* %ARG) {
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;;; We *DON'T* know that ARG always points to null!
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store i32* %ARG, i32** @G
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ret i32 0
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}
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define i32 @foo() {
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call void @external(i32(i32*)* @internal)
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%V = call i32 @internal(i32* null)
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ret i32 %V
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}
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