No functionality change. Type::isSized() can be expensive, so avoid calling it
until after other inexpensive tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152195 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp
index 745e5fe..ed4f243 100644
--- a/lib/Analysis/ValueTracking.cpp
+++ b/lib/Analysis/ValueTracking.cpp
@@ -106,16 +106,18 @@
// The address of an aligned GlobalValue has trailing zeros.
if (GlobalValue *GV = dyn_cast<GlobalValue>(V)) {
unsigned Align = GV->getAlignment();
- if (Align == 0 && TD && GV->getType()->getElementType()->isSized()) {
+ if (Align == 0 && TD) {
if (GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV)) {
Type *ObjectType = GVar->getType()->getElementType();
- // If the object is defined in the current Module, we'll be giving
- // it the preferred alignment. Otherwise, we have to assume that it
- // may only have the minimum ABI alignment.
- if (!GVar->isDeclaration() && !GVar->isWeakForLinker())
- Align = TD->getPreferredAlignment(GVar);
- else
- Align = TD->getABITypeAlignment(ObjectType);
+ if (ObjectType->isSized()) {
+ // If the object is defined in the current Module, we'll be giving
+ // it the preferred alignment. Otherwise, we have to assume that it
+ // may only have the minimum ABI alignment.
+ if (!GVar->isDeclaration() && !GVar->isWeakForLinker())
+ Align = TD->getPreferredAlignment(GVar);
+ else
+ Align = TD->getABITypeAlignment(ObjectType);
+ }
}
}
if (Align > 0)