Duncan P. N. Exon Smith 7a5cb43115 IR: Don't add inbounds to GEPs of extern_weak variables ...

Global variables that have `extern_weak` linkage may be null, so it's
incorrect to add `inbounds` when constant folding.

This also fixes a bug when parsing global aliases, whose forward
reference placeholders are global variables with `extern_weak` linkage.
If GEPs to these aliases are encountered before the alias itself, the
GEPs would incorrectly gain the `inbounds` keyword as well.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215803 91177308-0d34-0410-b5e6-96231b3b80d8

2014-08-16 01:54:32 +00:00

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ConstantExprNoFold.ll

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2014-08-16 01:54:32 +00:00

externally-initialized.ll

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