Loads and stores can't be inlined. This fixes test/Singlesource/matrixTranspose
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4579 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CBackend/Writer.cpp b/lib/Target/CBackend/Writer.cpp
index bd2e376..cdbe62d 100644
--- a/lib/Target/CBackend/Writer.cpp
+++ b/lib/Target/CBackend/Writer.cpp
@@ -94,7 +94,8 @@
// Must be an expression, must be used exactly once. If it is dead, we
// emit it inline where it would go.
if (I.getType() == Type::VoidTy || I.use_size() != 1 ||
- isa<TerminatorInst>(I) || isa<CallInst>(I) || isa<PHINode>(I))
+ isa<TerminatorInst>(I) || isa<CallInst>(I) || isa<PHINode>(I) ||
+ isa<LoadInst>(I)) // Don't inline a load across a store!
return false;
// Only inline instruction it it's use is in the same BB as the inst.