Do not model all INLINEASM instructions as having unmodelled side effects.
Instead encode llvm IR level property "HasSideEffects" in an operand (shared
with IsAlignStack). Added MachineInstrs::hasUnmodeledSideEffects() to check
the operand when the instruction is an INLINEASM.
This allows memory instructions to be moved around INLINEASM instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123044 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
index f2d705f..2eca4b1 100644
--- a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -1467,7 +1467,7 @@
if (I->isDebugValue() || MemOps.count(&*I))
continue;
const TargetInstrDesc &TID = I->getDesc();
- if (TID.isCall() || TID.isTerminator() || TID.hasUnmodeledSideEffects())
+ if (TID.isCall() || TID.isTerminator() || I->hasUnmodeledSideEffects())
return false;
if (isLd && TID.mayStore())
return false;