add a new predicate method that says whether a GlobalValue
MachineOperand is a reference to a stub, not a reference to the
global variable itself. Look no context needed!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75233 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86InstrInfo.h b/lib/Target/X86/X86InstrInfo.h
index 83f3f09..0838739 100644
--- a/lib/Target/X86/X86InstrInfo.h
+++ b/lib/Target/X86/X86InstrInfo.h
@@ -178,8 +178,34 @@
/// indicates that the reference is actually to "FOO$non_lazy_ptr -PICBASE",
/// which is a PIC-base-relative reference to a hidden dyld lazy pointer
/// stub.
- MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE = 17,
+ MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE = 17
+ };
+}
+
+/// isGlobalStubReference - Return true if the specified GlobalValue operand is
+/// a reference to a stub for a global, not the global itself.
+inline static bool isGlobalStubReference(const MachineOperand &MO) {
+ assert(MO.isGlobal() && "Predicate only works on globalvalue operands");
+ switch (MO.getTargetFlags()) {
+ case X86II::MO_DLLIMPORT: // dllimport stub.
+ case X86II::MO_GOTPCREL: // rip-relative GOT reference.
+ case X86II::MO_GOT: // normal GOT reference.
+ case X86II::MO_DARWIN_NONLAZY_PIC_BASE: // Normal $non_lazy_ptr ref.
+ case X86II::MO_DARWIN_NONLAZY: // Normal $non_lazy_ptr ref.
+ case X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE: // Hidden $non_lazy_ptr ref.
+ case X86II::MO_DARWIN_HIDDEN_NONLAZY: // Hidden $non_lazy_ptr ref.
+ return true;
+ default:
+ return false;
+ }
+}
+
+/// X86II - This namespace holds all of the target specific flags that
+/// instruction info tracks.
+///
+namespace X86II {
+ enum {
//===------------------------------------------------------------------===//
// Instruction encodings. These are the standard/most common forms for X86
// instructions.