[llvm-uc] [PATCH] uc32: Add get register class
- From: Jia Liu <proljc@xxxxxxxxx>
- To: llvm-uc@xxxxxxxxxxxxx
- Date: Thu, 6 Dec 2012 12:46:46 +0800
Signed-off-by: Jia Liu <proljc@xxxxxxxxx>
---
lib/Target/UniCore/UniCoreISelLowering.cpp | 13 +++++++++++--
lib/Target/UniCore/UniCoreISelLowering.h | 5 +++++
2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/lib/Target/UniCore/UniCoreISelLowering.cpp
b/lib/Target/UniCore/UniCoreISelLowering.cpp
index 140eecc..8cf8a18 100644
--- a/lib/Target/UniCore/UniCoreISelLowering.cpp
+++ b/lib/Target/UniCore/UniCoreISelLowering.cpp
@@ -38,8 +38,17 @@ using namespace llvm;
UniCoreTargetLowering::UniCoreTargetLowering(UniCoreTargetMachine &TM)
: TargetLowering(TM, new TargetLoweringObjectFileELF()),
- TM(TM)
-{
+ Subtarget(*TM.getSubtargetImpl()), TM(TM) {
+
+ DL = getDataLayout();
+ // Set up the register classes.
+ addRegisterClass(MVT::i32, &UniCore::GPRRegsRegClass);
+
+ // Compute derived properties from the register classes
+ computeRegisterProperties();
+
+ setMinFunctionAlignment(4);
+ setPrefFunctionAlignment(4);
}
SDValue
diff --git a/lib/Target/UniCore/UniCoreISelLowering.h
b/lib/Target/UniCore/UniCoreISelLowering.h
index 611e284..99f6629 100644
--- a/lib/Target/UniCore/UniCoreISelLowering.h
+++ b/lib/Target/UniCore/UniCoreISelLowering.h
@@ -36,6 +36,9 @@ namespace llvm {
// TargetLowering Implementation
//===--------------------------------------------------------------------===//
+ class UniCoreSubtarget;
+ class UniCoreTargetMachine;
+
class UniCoreTargetLowering : public TargetLowering {
public:
explicit UniCoreTargetLowering(UniCoreTargetMachine &TM);
@@ -48,7 +51,9 @@ namespace llvm {
virtual const char *getTargetNodeName(unsigned Opcode) const;
private:
+ const UniCoreSubtarget &Subtarget;
const UniCoreTargetMachine &TM;
+ const DataLayout *DL;
SDValue LowerCCCArguments(SDValue Chain,
CallingConv::ID CallConv,
--
1.7.10.2 (Apple Git-33)
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