Hexagon: Fix Small Data support to handle -G 0 correctly.

llvm-svn: 181344

1 files changed, 12 insertions, 0 deletions

diff --git a/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp b/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp
index caa1ba49649..dc44b34cff6 100644
--- a/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp
@@ -15,6 +15,7 @@
 #include "Hexagon.h"
 #include "HexagonISelLowering.h"
 #include "HexagonMachineScheduler.h"
+#include "HexagonTargetObjectFile.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/IR/Module.h"
 #include "llvm/PassManager.h"
@@ -156,6 +157,17 @@ bool HexagonPassConfig::addPostRegAlloc() {
 }
 
 bool HexagonPassConfig::addPreSched2() {
+  const HexagonTargetMachine &TM = getHexagonTargetMachine();
+  HexagonTargetObjectFile &TLOF =
+    (HexagonTargetObjectFile&)(getTargetLowering()->getObjFileLowering());
+
+  if (getOptLevel() != CodeGenOpt::None)
+    addPass(&IfConverterID);
+  if (!TLOF.IsSmallDataEnabled()) {
+    addPass(createHexagonSplitConst32AndConst64(TM));
+    printAndVerify("After hexagon split const32/64 pass");
+  }
+  return true;
   if (getOptLevel() != CodeGenOpt::None)
     addPass(&IfConverterID);
   return false;