Fix a bug that caused SimplifyCFG to drop DebugLocs.

[oota-llvm.git] / lib / Transforms / InstCombine / InstCombineLoadStoreAlloca.cpp

diff --git a/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp b/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
index e3179dbeece8db8b9b46016e6fd2ba06e46701f7..3614868e19434c324252156a1ac66592155e0bb1 100644 (file)
--- a/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
+++ b/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
@@ -754,6 +754,7 @@ Instruction *InstCombiner::visitLoadInst(LoadInst &LI) {
                                                      6, AA, &AATags)) {
     if (LoadInst *NLI = dyn_cast<LoadInst>(AvailableVal)) {
       unsigned KnownIDs[] = {
+        LLVMContext::MD_dbg,
         LLVMContext::MD_tbaa,
         LLVMContext::MD_alias_scope,
         LLVMContext::MD_noalias,