[mono] Add mono calling convention to AArch64RegisterInfo::isArgumentRegister (#579)

lambdageek · radekdoulik · commit 0a0f2df0eb68 · 2024-09-19T18:30:18.000+02:00
This is a new case switch added in upstream 6e00a34
diff --git a/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp b/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp
@@ -687,6 +687,13 @@ bool AArch64RegisterInfo::isArgumentRegister(const MachineFunction &MF,
     if (STI.isTargetWindows())
       return HasReg(CC_AArch64_Win64PCS_ArgRegs, Reg);
     return HasReg(CC_AArch64_AAPCS_ArgRegs, Reg);
+  case CallingConv::Mono:
+    if (STI.isTargetDarwin())
+      return HasReg(CC_AArch64_Mono_DarwinPCS_ArgRegs, Reg);
+    else if (STI.isTargetWindows())
+      report_fatal_error("Unsupported calling convention.");
+    else
+      return HasReg(CC_AArch64_Mono_AAPCS_ArgRegs, Reg);
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -687,6 +687,13 @@ bool AArch64RegisterInfo::isArgumentRegister(const MachineFunction &MF,`
`687`	`687`	`if (STI.isTargetWindows())`
`688`	`688`	`return HasReg(CC_AArch64_Win64PCS_ArgRegs, Reg);`
`689`	`689`	`return HasReg(CC_AArch64_AAPCS_ArgRegs, Reg);`
	`690`	`+ case CallingConv::Mono:`
	`691`	`+ if (STI.isTargetDarwin())`
	`692`	`+ return HasReg(CC_AArch64_Mono_DarwinPCS_ArgRegs, Reg);`
	`693`	`+ else if (STI.isTargetWindows())`
	`694`	`+ report_fatal_error("Unsupported calling convention.");`
	`695`	`+ else`
	`696`	`+ return HasReg(CC_AArch64_Mono_AAPCS_ArgRegs, Reg);`
`690`	`697`	`}`
`691`	`698`	`}`
`692`	`699`