[WebAssembly] Minor clang-format and selected clang-tidy cleanups. NFC.

[oota-llvm.git] / lib / Target / WebAssembly / WebAssemblyRegisterInfo.cpp

diff --git a/lib/Target/WebAssembly/WebAssemblyRegisterInfo.cpp b/lib/Target/WebAssembly/WebAssemblyRegisterInfo.cpp
index ad24c90af6a27c61d54738b20ec6c01b50713d8b..6c74098aff1092b8aace2eb6a0edc5f7b45b308e 100644 (file)
--- a/lib/Target/WebAssembly/WebAssemblyRegisterInfo.cpp
+++ b/lib/Target/WebAssembly/WebAssemblyRegisterInfo.cpp
@@ -30,4 +30,40 @@ using namespace llvm;
 
 #define DEBUG_TYPE "wasm-reg-info"
 
-WebAssemblyRegisterInfo::WebAssemblyRegisterInfo(const Triple &TT) : TT(TT) {}
+#define GET_REGINFO_TARGET_DESC
+#include "WebAssemblyGenRegisterInfo.inc"
+
+WebAssemblyRegisterInfo::WebAssemblyRegisterInfo(const Triple &TT)
+    : WebAssemblyGenRegisterInfo(0), TT(TT) {}
+
+const MCPhysReg *
+WebAssemblyRegisterInfo::getCalleeSavedRegs(const MachineFunction *) const {
+  static const MCPhysReg CalleeSavedRegs[] = {0};
+  return CalleeSavedRegs;
+}
+
+BitVector
+WebAssemblyRegisterInfo::getReservedRegs(const MachineFunction & /*MF*/) const {
+  BitVector Reserved(getNumRegs());
+  for (auto Reg : {WebAssembly::SP32, WebAssembly::SP64, WebAssembly::FP32,
+                   WebAssembly::FP64})
+    Reserved.set(Reg);
+  return Reserved;
+}
+
+void WebAssemblyRegisterInfo::eliminateFrameIndex(
+    MachineBasicBlock::iterator /*II*/, int /*SPAdj*/,
+    unsigned /*FIOperandNum*/, RegScavenger * /*RS*/) const {
+  llvm_unreachable(
+      "TODO: implement WebAssemblyRegisterInfo::eliminateFrameIndex");
+}
+
+unsigned
+WebAssemblyRegisterInfo::getFrameRegister(const MachineFunction &MF) const {
+  static const unsigned Regs[2][2] = {
+      /*            !isArch64Bit       isArch64Bit      */
+      /* !hasFP */ {WebAssembly::SP32, WebAssembly::SP64},
+      /*  hasFP */ {WebAssembly::FP32, WebAssembly::FP64}};
+  const WebAssemblyFrameLowering *TFI = getFrameLowering(MF);
+  return Regs[TFI->hasFP(MF)][TT.isArch64Bit()];
+}