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

lambdageek · web-flow · commit 277e15609ad1 · 2024-06-22T16:23:35.000Z
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
@@ -647,6 +647,13 @@ 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
`@@ -647,6 +647,13 @@ bool AArch64RegisterInfo::isArgumentRegister(const MachineFunction &MF,`
`647`	`647`	`if (STI.isTargetWindows())`
`648`	`648`	`return HasReg(CC_AArch64_Win64PCS_ArgRegs, Reg);`
`649`	`649`	`return HasReg(CC_AArch64_AAPCS_ArgRegs, Reg);`
	`650`	`+ case CallingConv::Mono:`
	`651`	`+ if (STI.isTargetDarwin())`
	`652`	`+ return HasReg(CC_AArch64_Mono_DarwinPCS_ArgRegs, Reg);`
	`653`	`+ else if (STI.isTargetWindows())`
	`654`	`+ report_fatal_error("Unsupported calling convention.");`
	`655`	`+ else`
	`656`	`+ return HasReg(CC_AArch64_Mono_AAPCS_ArgRegs, Reg);`
`650`	`657`	`}`
`651`	`658`	`}`
`652`	`659`