ARM: Remove a (false) dependency on the memoryoperand's value as we do not use
it at the moment.
This allows to form more paired loads even when stack coloring pass destroys the
memoryoperand's value.
<rdar://problem/13978317>
llvm-svn: 184492
diff --git a/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
index c8ed576..4e97dda 100644
--- a/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ b/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -1602,8 +1602,9 @@
return false;
// Make sure the base address satisfies i64 ld / st alignment requirement.
+ // At the moment, we ignore the memoryoperand's value.
+ // If we want to use AliasAnalysis, we should check it accordingly.
if (!Op0->hasOneMemOperand() ||
- !(*Op0->memoperands_begin())->getValue() ||
(*Op0->memoperands_begin())->isVolatile())
return false;