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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185888 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Bendersky 2013-07-08 23:57:07 +00:00
parent f564efa591
commit 201cdb1004
1 changed files with 2 additions and 3 deletions
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5
lib/Transforms/IPO/GlobalOpt.cpp
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@ -1940,9 +1940,8 @@ bool GlobalOpt::ProcessInternalGlobal(GlobalVariable *GV,
const SmallPtrSet<const PHINode*, 16> &PHIUsers,
const GlobalStatus &GS) {
// If this is a first class global and has only one accessing function
// and this function is main (which we know is not recursive we can make
// this global a local variable) we replace the global with a local alloca
// in this function.
// and this function is main (which we know is not recursive), we replace
// the global with a local alloca in this function.
//
// NOTE: It doesn't make sense to promote non single-value types since we
// are just replacing static memory to stack memory.