[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 385c40bf66932adf47c87d6e19a6b502f67d6548..6c74098aff1092b8aace2eb6a0edc5f7b45b308e 100644 (file)
--- a/lib/Target/WebAssembly/WebAssemblyRegisterInfo.cpp
+++ b/lib/Target/WebAssembly/WebAssemblyRegisterInfo.cpp
@@ -43,7 +43,7 @@ WebAssemblyRegisterInfo::getCalleeSavedRegs(const MachineFunction *) const {
 }
 
 BitVector
-WebAssemblyRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
+WebAssemblyRegisterInfo::getReservedRegs(const MachineFunction & /*MF*/) const {
   BitVector Reserved(getNumRegs());
   for (auto Reg : {WebAssembly::SP32, WebAssembly::SP64, WebAssembly::FP32,
                    WebAssembly::FP64})
@@ -52,9 +52,10 @@ WebAssemblyRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
 }
 
 void WebAssemblyRegisterInfo::eliminateFrameIndex(
-    MachineBasicBlock::iterator II, int SPAdj, unsigned FIOperandNum,
-    RegScavenger *RS) const {
-  llvm_unreachable("WebAssemblyRegisterInfo::eliminateFrameIndex"); // FIXME
+    MachineBasicBlock::iterator /*II*/, int /*SPAdj*/,
+    unsigned /*FIOperandNum*/, RegScavenger * /*RS*/) const {
+  llvm_unreachable(
+      "TODO: implement WebAssemblyRegisterInfo::eliminateFrameIndex");
 }
 
 unsigned
@@ -66,22 +67,3 @@ WebAssemblyRegisterInfo::getFrameRegister(const MachineFunction &MF) const {
   const WebAssemblyFrameLowering *TFI = getFrameLowering(MF);
   return Regs[TFI->hasFP(MF)][TT.isArch64Bit()];
 }
-
-bool WebAssemblyRegisterInfo::canRealignStack(const MachineFunction &MF) const {
-  return !MF.getFunction()->hasFnAttribute("no-realign-stack");
-}
-
-// FIXME: share this with other backends with identical implementation?
-bool WebAssemblyRegisterInfo::needsStackRealignment(
-    const MachineFunction &MF) const {
-  const MachineFrameInfo *MFI = MF.getFrameInfo();
-  const WebAssemblyFrameLowering *TFI = getFrameLowering(MF);
-  const Function *F = MF.getFunction();
-  unsigned StackAlign = TFI->getStackAlignment();
-  bool requiresRealignment =
-      ((MFI->getMaxAlignment() > StackAlign) ||
-       F->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
-                                       Attribute::StackAlignment));
-
-  return requiresRealignment && canRealignStack(MF);
-}