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| author | George Rimar <grimar@accesssoftek.com> | 2018-02-02 15:06:09 +0000 |
|---|---|---|
| committer | George Rimar <grimar@accesssoftek.com> | 2018-02-02 15:06:09 +0000 |
| commit | 0410afd1a37e3e77013123ba6ba68f4a5258a532 (patch) | |
| tree | 40b4b343dc88c49f2ac2573595977d70939a027e /llvm/lib/Transforms | |
| parent | 1cb9bc6b6ceaf0ac33b19dbf6c599e4e235734d1 (diff) | |
| download | bcm5719-llvm-0410afd1a37e3e77013123ba6ba68f4a5258a532.tar.gz bcm5719-llvm-0410afd1a37e3e77013123ba6ba68f4a5258a532.zip | |
[ThinLTO] - Add comment. NFC.
Was requested during review of D42798.
llvm-svn: 324095
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/IPO/FunctionImport.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/IPO/FunctionImport.cpp b/llvm/lib/Transforms/IPO/FunctionImport.cpp index 408d1819bde..37c4c21578c 100644 --- a/llvm/lib/Transforms/IPO/FunctionImport.cpp +++ b/llvm/lib/Transforms/IPO/FunctionImport.cpp @@ -629,6 +629,8 @@ void llvm::convertToDeclaration(GlobalValue &GV) { // need to add support here for creating either a function or // variable declaration, and return the new GlobalValue* for // the caller to use. + // Support of dropping aliases is required for correct dead code + // elimination performed in thin LTO backends (see 'dropDeadSymbols'). llvm_unreachable("Expected function or variable"); } |
