[Mem2Reg] Simplify rewriteSingleStoreAlloca
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358349 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
index 74019c5..28462e8 100644
--- a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
+++ b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
@@ -362,10 +362,8 @@
for (auto UI = AI->user_begin(), E = AI->user_end(); UI != E;) {
Instruction *UserInst = cast<Instruction>(*UI++);
- if (!isa<LoadInst>(UserInst)) {
- assert(UserInst == OnlyStore && "Should only have load/stores");
+ if (UserInst == OnlyStore)
continue;
- }
LoadInst *LI = cast<LoadInst>(UserInst);
// Okay, if we have a load from the alloca, we want to replace it with the
@@ -385,8 +383,7 @@
Info.UsingBlocks.push_back(StoreBB);
continue;
}
- } else if (LI->getParent() != StoreBB &&
- !DT.dominates(StoreBB, LI->getParent())) {
+ } else if (!DT.dominates(StoreBB, LI->getParent())) {
// If the load and store are in different blocks, use BB dominance to
// check their relationships. If the store doesn't dom the use, bail
// out.
