ARM: support TLS accesses on Darwin platforms

[oota-llvm.git] / lib / Target / ARM / ARMCallingConv.td

diff --git a/lib/Target/ARM/ARMCallingConv.td b/lib/Target/ARM/ARMCallingConv.td
index 233516415149df5ca27c16f66bd7d59946b1dd95..22ea166d540235740797bc08f38b93bf9a1980b1 100644 (file)
--- a/lib/Target/ARM/ARMCallingConv.td
+++ b/lib/Target/ARM/ARMCallingConv.td
@@ -225,6 +225,10 @@ def CSR_iOS : CalleeSavedRegs<(add LR, R7, R6, R5, R4, (sub CSR_AAPCS, R9))>;
 def CSR_iOS_ThisReturn : CalleeSavedRegs<(add LR, R7, R6, R5, R4,
                                          (sub CSR_AAPCS_ThisReturn, R9))>;
 
+def CSR_iOS_TLSCall : CalleeSavedRegs<(add LR, SP,
+                                           (sequence "R%u", 12, 1),
+                                           (sequence "D%u", 31, 0))>;
+
 // The "interrupt" attribute is used to generate code that is acceptable in
 // exception-handlers of various kinds. It makes us use a different return
 // instruction (handled elsewhere) and affects which registers we must return to