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authorEli Bendersky <eliben@chromium.org>2013-07-15 16:09:15 -0700
committerEli Bendersky <eliben@chromium.org>2013-07-15 16:09:15 -0700
commitc6cf05cb5108f356dde97c01ee4188b0671d4542 (patch)
tree436fdc2a55296d3c202e7ef11f31be3be53efb5f /lib/Target/SystemZ/SystemZConstantPoolValue.cpp
parentc75199c649c739aade160289d93f257edc798cde (diff)
parent7dfcb84fc16b3bf6b2379713b53090757f0a45f9 (diff)
Merge commit '7dfcb84fc16b3bf6b2379713b53090757f0a45f9'
Conflicts: docs/LangRef.rst include/llvm/CodeGen/CallingConvLower.h include/llvm/IRReader/IRReader.h include/llvm/Target/TargetMachine.h lib/CodeGen/CallingConvLower.cpp lib/IRReader/IRReader.cpp lib/IRReader/LLVMBuild.txt lib/IRReader/Makefile lib/LLVMBuild.txt lib/Makefile lib/Support/MemoryBuffer.cpp lib/Support/Unix/PathV2.inc lib/Target/ARM/ARMBaseInstrInfo.cpp lib/Target/ARM/ARMISelLowering.cpp lib/Target/ARM/ARMInstrInfo.td lib/Target/ARM/ARMSubtarget.cpp lib/Target/ARM/ARMTargetMachine.cpp lib/Target/Mips/CMakeLists.txt lib/Target/Mips/MipsDelaySlotFiller.cpp lib/Target/Mips/MipsISelLowering.cpp lib/Target/Mips/MipsInstrInfo.td lib/Target/Mips/MipsSubtarget.cpp lib/Target/Mips/MipsSubtarget.h lib/Target/X86/X86FastISel.cpp lib/Target/X86/X86ISelDAGToDAG.cpp lib/Target/X86/X86ISelLowering.cpp lib/Target/X86/X86InstrControl.td lib/Target/X86/X86InstrFormats.td lib/Transforms/IPO/ExtractGV.cpp lib/Transforms/InstCombine/InstCombineCompares.cpp lib/Transforms/Utils/SimplifyLibCalls.cpp test/CodeGen/X86/fast-isel-divrem.ll test/MC/ARM/data-in-code.ll tools/Makefile tools/llvm-extract/llvm-extract.cpp tools/llvm-link/CMakeLists.txt tools/opt/CMakeLists.txt tools/opt/LLVMBuild.txt tools/opt/Makefile tools/opt/opt.cpp
Diffstat (limited to 'lib/Target/SystemZ/SystemZConstantPoolValue.cpp')
-rw-r--r--lib/Target/SystemZ/SystemZConstantPoolValue.cpp62
1 files changed, 62 insertions, 0 deletions
diff --git a/lib/Target/SystemZ/SystemZConstantPoolValue.cpp b/lib/Target/SystemZ/SystemZConstantPoolValue.cpp
new file mode 100644
index 0000000000..e9c4f6df52
--- /dev/null
+++ b/lib/Target/SystemZ/SystemZConstantPoolValue.cpp
@@ -0,0 +1,62 @@
+//===-- SystemZConstantPoolValue.cpp - SystemZ constant-pool value --------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "SystemZConstantPoolValue.h"
+#include "llvm/ADT/FoldingSet.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/GlobalValue.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace llvm;
+
+SystemZConstantPoolValue::
+SystemZConstantPoolValue(const GlobalValue *gv,
+ SystemZCP::SystemZCPModifier modifier)
+ : MachineConstantPoolValue(gv->getType()), GV(gv), Modifier(modifier) {}
+
+SystemZConstantPoolValue *
+SystemZConstantPoolValue::Create(const GlobalValue *GV,
+ SystemZCP::SystemZCPModifier Modifier) {
+ return new SystemZConstantPoolValue(GV, Modifier);
+}
+
+unsigned SystemZConstantPoolValue::getRelocationInfo() const {
+ switch (Modifier) {
+ case SystemZCP::NTPOFF:
+ // May require a relocation, but the relocations are always resolved
+ // by the static linker.
+ return 1;
+ }
+ llvm_unreachable("Unknown modifier");
+}
+
+int SystemZConstantPoolValue::
+getExistingMachineCPValue(MachineConstantPool *CP, unsigned Alignment) {
+ unsigned AlignMask = Alignment - 1;
+ 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 =
+ static_cast<SystemZConstantPoolValue *>(Constants[I].Val.MachineCPVal);
+ if (ZCPV->GV == GV && ZCPV->Modifier == Modifier)
+ return I;
+ }
+ }
+ return -1;
+}
+
+void SystemZConstantPoolValue::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
+ ID.AddPointer(GV);
+ ID.AddInteger(Modifier);
+}
+
+void SystemZConstantPoolValue::print(raw_ostream &O) const {
+ O << GV << "@" << int(Modifier);
+}