Target-independent support for TargetFlags on BlockAddress operands,
and support for blockaddresses in x86-32 PIC mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89506 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index b901c14..661f560 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -28,6 +28,21 @@
#include <intrin.h>
#endif
+/// ClassifyBlockAddressReference - Classify a blockaddress reference for the
+/// current subtarget according to how we should reference it in a non-pcrel
+/// context.
+unsigned char X86Subtarget::
+ClassifyBlockAddressReference() const {
+ if (isPICStyleGOT()) // 32-bit ELF targets.
+ return X86II::MO_GOTOFF;
+
+ if (isPICStyleStubPIC()) // Darwin/32 in PIC mode.
+ return X86II::MO_PIC_BASE_OFFSET;
+
+ // Direct static reference to label.
+ return X86II::MO_NO_FLAG;
+}
+
/// ClassifyGlobalReference - Classify a global variable reference for the
/// current subtarget according to how we should reference it in a non-pcrel
/// context.