Fix assertion failure with fp128 to unsigned i64 conversion

[oota-llvm.git] / lib / Target / SystemZ / SystemZConstantPoolValue.cpp

diff --git a/lib/Target/SystemZ/SystemZConstantPoolValue.cpp b/lib/Target/SystemZ/SystemZConstantPoolValue.cpp
index e9c4f6df52c3baa4e41f78d83f7a8fe550defdf4..44ea1d25f08e3933bc002b9c050ccc0bec2c52bb 100644 (file)
--- a/lib/Target/SystemZ/SystemZConstantPoolValue.cpp
+++ b/lib/Target/SystemZ/SystemZConstantPoolValue.cpp
@@ -28,6 +28,11 @@ SystemZConstantPoolValue::Create(const GlobalValue *GV,
 
 unsigned SystemZConstantPoolValue::getRelocationInfo() const {
   switch (Modifier) {
+  case SystemZCP::TLSGD:
+  case SystemZCP::TLSLDM:
+  case SystemZCP::DTPOFF:
+    // May require a dynamic relocation.
+    return 2;
   case SystemZCP::NTPOFF:
     // May require a relocation, but the relocations are always resolved
     // by the static linker.
@@ -39,11 +44,11 @@ unsigned SystemZConstantPoolValue::getRelocationInfo() const {
 int SystemZConstantPoolValue::
 getExistingMachineCPValue(MachineConstantPool *CP, unsigned Alignment) {
   unsigned AlignMask = Alignment - 1;
-  const std::vector<MachineConstantPoolEntry> Constants = CP->getConstants();
+  const std::vector<MachineConstantPoolEntry> &Constants = CP->getConstants();
   for (unsigned I = 0, E = Constants.size(); I != E; ++I) {
     if (Constants[I].isMachineConstantPoolEntry() &&
         (Constants[I].getAlignment() & AlignMask) == 0) {
-      SystemZConstantPoolValue *ZCPV =
+      auto *ZCPV =
         static_cast<SystemZConstantPoolValue *>(Constants[I].Val.MachineCPVal);
       if (ZCPV->GV == GV && ZCPV->Modifier == Modifier)
         return I;