llvm-6502/2009-01-05-DeadAliases.ll at bccf4b3050907b61b9d5349601269a0474b4c0fd - llvm-6502 - Applefritter: Git

6502/llvm-6502

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Duncan Sands 1da5f2dd2e Delete unused global aliases with internal linkage.

In fact this also deletes those with linkonce linkage,
however this is currently dead because for the moment
aliases aren't allowed to have this linkage type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61742 91177308-0d34-0410-b5e6-96231b3b80d8

2009-01-05 20:37:33 +00:00

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LLVM

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 ; RUN: llvm-as < %s | opt -globaldce | llvm-dis | not grep @D
 ; RUN: llvm-as < %s | opt -globaldce | llvm-dis | grep @L | count 3
 @A = global i32 0
 @D = alias internal i32* @A
 @L1 = alias i32* @A
 @L2 = alias internal i32* @L1
 @L3 = alias i32* @L2