llvm-6502/test/Transforms/FunctionAttrs/2008-12-29-Constant.ll
Duncan Sands 9e89ba31f1 Rename AddReadAttrs to FunctionAttrs, and teach it how
to work out (in a very simplistic way) which function
arguments (pointer arguments only) are only dereferenced
and so do not escape.  Mark such arguments 'nocapture'.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61525 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-31 16:14:43 +00:00

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185 B
LLVM

; RUN: llvm-as < %s | opt -functionattrs | llvm-dis | grep readnone
@s = external constant i8 ; <i8*> [#uses=1]
define i8 @f() {
%tmp = load i8* @s ; <i8> [#uses=1]
ret i8 %tmp
}