Add a command line option "-arm-strict-align" to disallow unaligned memory
accesses for ARM targets that would otherwise allow it. Radar 8465431.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114941 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMSubtarget.h b/lib/Target/ARM/ARMSubtarget.h
index 605d81a..3d9f40b 100644
--- a/lib/Target/ARM/ARMSubtarget.h
+++ b/lib/Target/ARM/ARMSubtarget.h
@@ -106,6 +106,11 @@
/// precision.
bool FPOnlySP;
+ /// AllowsUnalignedMem - If true, the subtarget allows unaligned memory
+ /// accesses for some types. For details, see
+ /// ARMTargetLowering::allowsUnalignedMemoryAccesses().
+ bool AllowsUnalignedMem;
+
/// stackAlignment - The minimum alignment known to hold of the stack frame on
/// entry to the function and which must be maintained by every function.
unsigned stackAlignment;
@@ -185,6 +190,8 @@
bool useMovt() const { return UseMovt && hasV6T2Ops(); }
+ bool allowsUnalignedMem() const { return AllowsUnalignedMem; }
+
const std::string & getCPUString() const { return CPUString; }
/// enablePostRAScheduler - True at 'More' optimization.