try to match alpha pattern
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19972 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Alpha/AlphaTargetMachine.cpp b/lib/Target/Alpha/AlphaTargetMachine.cpp
index 70197fa..b077f07 100644
--- a/lib/Target/Alpha/AlphaTargetMachine.cpp
+++ b/lib/Target/Alpha/AlphaTargetMachine.cpp
@@ -12,11 +12,13 @@
#include "Alpha.h"
#include "AlphaTargetMachine.h"
+#include "llvm/Module.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Target/TargetMachineRegistry.h"
#include "llvm/Transforms/Scalar.h"
#include <iostream>
+
using namespace llvm;
namespace {
@@ -24,6 +26,23 @@
RegisterTarget<AlphaTargetMachine> X("alpha", " Alpha (incomplete)");
}
+unsigned AlphaTargetMachine::getModuleMatchQuality(const Module &M) {
+ // We strongly match "alpha*".
+ std::string TT = M.getTargetTriple();
+ if (TT.size() >= 5 && TT[0] == 'a' && TT[1] == 'l' && TT[2] == 'p' &&
+ TT[3] == 'h' && TT[4] == 'a')
+ return 20;
+
+ if (M.getEndianness() == Module::LittleEndian &&
+ M.getPointerSize() == Module::Pointer64)
+ return 10; // Weak match
+ else if (M.getEndianness() != Module::AnyEndianness ||
+ M.getPointerSize() != Module::AnyPointerSize)
+ return 0; // Match for some other target
+
+ return 0;
+}
+
AlphaTargetMachine::AlphaTargetMachine( const Module &M, IntrinsicLowering *IL)
: TargetMachine("alpha", IL, true),
FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0) //TODO: check these
diff --git a/lib/Target/Alpha/AlphaTargetMachine.h b/lib/Target/Alpha/AlphaTargetMachine.h
index 75d1353..d67dd3f 100644
--- a/lib/Target/Alpha/AlphaTargetMachine.h
+++ b/lib/Target/Alpha/AlphaTargetMachine.h
@@ -38,7 +38,8 @@
}
virtual bool addPassesToEmitAssembly(PassManager &PM, std::ostream &Out);
-
+
+ static unsigned getModuleMatchQuality(const Module &M);
};
} // end namespace llvm