It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcTargetMachine.cpp b/lib/Target/Sparc/SparcTargetMachine.cpp
new file mode 100644
index 0000000..e0206d8
--- /dev/null
+++ b/lib/Target/Sparc/SparcTargetMachine.cpp
@@ -0,0 +1,83 @@
+//===-- SparcTargetMachine.cpp - Define TargetMachine for Sparc -----------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//
+//===----------------------------------------------------------------------===//
+
+#include "SparcTargetAsmInfo.h"
+#include "SparcTargetMachine.h"
+#include "Sparc.h"
+#include "llvm/Module.h"
+#include "llvm/PassManager.h"
+#include "llvm/Target/TargetMachineRegistry.h"
+using namespace llvm;
+
+namespace {
+ // Register the target.
+ RegisterTarget<SparcTargetMachine> X("sparc", " SPARC");
+}
+
+const TargetAsmInfo *SparcTargetMachine::createTargetAsmInfo() const {
+ return new SparcTargetAsmInfo(*this);
+}
+
+/// SparcTargetMachine ctor - Create an ILP32 architecture model
+///
+SparcTargetMachine::SparcTargetMachine(const Module &M, const std::string &FS)
+ : DataLayout("E-p:32:32"),
+ Subtarget(M, FS), InstrInfo(Subtarget),
+ FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0) {
+}
+
+unsigned SparcTargetMachine::getModuleMatchQuality(const Module &M) {
+ std::string TT = M.getTargetTriple();
+ if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) == "sparc-")
+ return 20;
+
+ // If the target triple is something non-sparc, we don't match.
+ if (!TT.empty()) return 0;
+
+ if (M.getEndianness() == Module::BigEndian &&
+ M.getPointerSize() == Module::Pointer32)
+#ifdef __sparc__
+ return 20; // BE/32 ==> Prefer sparc on sparc
+#else
+ return 5; // BE/32 ==> Prefer ppc elsewhere
+#endif
+ else if (M.getEndianness() != Module::AnyEndianness ||
+ M.getPointerSize() != Module::AnyPointerSize)
+ return 0; // Match for some other target
+
+#if defined(__sparc__)
+ return 10;
+#else
+ return 0;
+#endif
+}
+
+bool SparcTargetMachine::addInstSelector(FunctionPassManager &PM, bool Fast) {
+ PM.add(createSparcISelDag(*this));
+ return false;
+}
+
+/// addPreEmitPass - This pass may be implemented by targets that want to run
+/// passes immediately before machine code is emitted. This should return
+/// true if -print-machineinstrs should print out the code after the passes.
+bool SparcTargetMachine::addPreEmitPass(FunctionPassManager &PM, bool Fast) {
+ PM.add(createSparcFPMoverPass(*this));
+ PM.add(createSparcDelaySlotFillerPass(*this));
+ return true;
+}
+
+bool SparcTargetMachine::addAssemblyEmitter(FunctionPassManager &PM, bool Fast,
+ std::ostream &Out) {
+ // Output assembly language.
+ PM.add(createSparcCodePrinterPass(Out, *this));
+ return false;
+}