1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp
index 59798b3..b3535eac 100644
--- a/llvm/lib/CodeGen/TargetLoweringBase.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp
@@ -11,6 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/ADT/BitVector.h"
+#include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringExtras.h"
@@ -90,6 +91,11 @@ static cl::opt<unsigned> OptsizeJumpTableDensity(
     cl::desc("Minimum density for building a jump table in "
              "an optsize function"));
 
+static cl::opt<unsigned> MinimumBitTestCmpsOverride(
+    "min-bit-test-cmps", cl::init(2), cl::Hidden,
+    cl::desc("Set minimum of largest number of comparisons "
+             "to use bit test for switch."));
+
 // FIXME: This option is only to test if the strict fp operation processed
 // correctly by preventing mutating strict fp operation to normal fp operation
 // during development. When the backend supports strict float operation, this
@@ -428,6 +434,11 @@ RTLIB::Libcall RTLIB::getSINCOSPI(EVT RetVT) {
                       SINCOSPI_F128, SINCOSPI_PPCF128);
 }
 
+RTLIB::Libcall RTLIB::getSINCOS_STRET(EVT RetVT) {
+  return getFPLibCall(RetVT, SINCOS_STRET_F32, SINCOS_STRET_F64,
+                      UNKNOWN_LIBCALL, UNKNOWN_LIBCALL, UNKNOWN_LIBCALL);
+}
+
 RTLIB::Libcall RTLIB::getMODF(EVT RetVT) {
   return getFPLibCall(RetVT, MODF_F32, MODF_F64, MODF_F80, MODF_F128,
                       MODF_PPCF128);
@@ -719,6 +730,8 @@ TargetLoweringBase::TargetLoweringBase(const TargetMachine &tm)
 
   MinCmpXchgSizeInBits = 0;
   SupportsUnalignedAtomics = false;
+
+  MinimumBitTestCmps = MinimumBitTestCmpsOverride;
 }
 
 // Define the virtual destructor out-of-line to act as a key method to anchor
@@ -2129,6 +2142,14 @@ bool TargetLoweringBase::isJumpTableRelative() const {
   return getTargetMachine().isPositionIndependent();
 }
 
+unsigned TargetLoweringBase::getMinimumBitTestCmps() const {
+  return MinimumBitTestCmps;
+}
+
+void TargetLoweringBase::setMinimumBitTestCmps(unsigned Val) {
+  MinimumBitTestCmps = Val;
+}
+
 Align TargetLoweringBase::getPrefLoopAlignment(MachineLoop *ML) const {
   if (TM.Options.LoopAlignment)
     return Align(TM.Options.LoopAlignment);