CXX_FAST_TLS calling convention: performance improvement for ARM.

[oota-llvm.git] / lib / Target / ARM / ARMFastISel.cpp

diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp
index 9bdf823c85bdba985b8fa3a18df7759f63b72b10..ff2fcfa349dcd960794badfe044b06414a20b54b 100644 (file)
--- a/lib/Target/ARM/ARMFastISel.cpp
+++ b/lib/Target/ARM/ARMFastISel.cpp
@@ -578,7 +578,7 @@ unsigned ARMFastISel::ARMMaterializeInt(const Constant *C, MVT VT) {
 
 unsigned ARMFastISel::ARMMaterializeGV(const GlobalValue *GV, MVT VT) {
   // For now 32-bit only.
-  if (VT != MVT::i32) return 0;
+  if (VT != MVT::i32 || GV->isThreadLocal()) return 0;
 
   Reloc::Model RelocM = TM.getRelocationModel();
   bool IsIndirect = Subtarget->GVIsIndirectSymbol(GV, RelocM);
@@ -2083,6 +2083,9 @@ bool ARMFastISel::SelectRet(const Instruction *I) {
   if (!FuncInfo.CanLowerReturn)
     return false;
 
+  if (TLI.supportSplitCSR(FuncInfo.MF))
+    return false;
+
   // Build a list of return value registers.
   SmallVector<unsigned, 4> RetRegs;