Import LLVM 8.0.0 release including clang, lld and lldb.

1 files changed, 13 insertions, 2 deletions

diff --git a/gnu/llvm/lib/Target/Hexagon/HexagonTargetObjectFile.cpp b/gnu/llvm/lib/Target/Hexagon/HexagonTargetObjectFile.cpp
index e771f383dff..2185bf8eebc 100644
--- a/gnu/llvm/lib/Target/Hexagon/HexagonTargetObjectFile.cpp
+++ b/gnu/llvm/lib/Target/Hexagon/HexagonTargetObjectFile.cpp
@@ -199,6 +199,10 @@ MCSection *HexagonTargetObjectFile::getExplicitSectionGlobal(
 /// section.
 bool HexagonTargetObjectFile::isGlobalInSmallSection(const GlobalObject *GO,
       const TargetMachine &TM) const {
+  bool HaveSData = isSmallDataEnabled(TM);
+  if (!HaveSData)
+    LLVM_DEBUG(dbgs() << "Small-data allocation is disabled, but symbols "
+                         "may have explicit section assignments...\n");
   // Only global variables, not functions.
   LLVM_DEBUG(dbgs() << "Checking if value is in small-data, -G"
                     << SmallDataThreshold << ": \"" << GO->getName() << "\": ");
@@ -218,6 +222,12 @@ bool HexagonTargetObjectFile::isGlobalInSmallSection(const GlobalObject *GO,
     return IsSmall;
   }
 
+  // If sdata is disabled, stop the checks here.
+  if (!HaveSData) {
+    LLVM_DEBUG(dbgs() << "no, small-data allocation is disabled\n");
+    return false;
+  }
+
   if (GVar->isConstant()) {
     LLVM_DEBUG(dbgs() << "no, is a constant\n");
     return false;
@@ -263,8 +273,9 @@ bool HexagonTargetObjectFile::isGlobalInSmallSection(const GlobalObject *GO,
   return true;
 }
 
-bool HexagonTargetObjectFile::isSmallDataEnabled() const {
-  return SmallDataThreshold > 0;
+bool HexagonTargetObjectFile::isSmallDataEnabled(const TargetMachine &TM)
+    const {
+  return SmallDataThreshold > 0 && !TM.isPositionIndependent();
 }
 
 unsigned HexagonTargetObjectFile::getSmallDataSize() const {