Set ABI if it hasn't been set on the command line.
Check if architecture & ABI combination is valid.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140230 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsSubtarget.cpp b/lib/Target/Mips/MipsSubtarget.cpp
index 3bb5011..5c8823e 100644
--- a/lib/Target/Mips/MipsSubtarget.cpp
+++ b/lib/Target/Mips/MipsSubtarget.cpp
@@ -39,6 +39,15 @@
// Initialize scheduling itinerary for the specified CPU.
InstrItins = getInstrItineraryForCPU(CPUName);
+ // Set MipsABI if it hasn't been set yet.
+ if (MipsABI == UnknownABI)
+ MipsABI = hasMips64() ? N64 : O32;
+
+ // Check if Architecture and ABI are compatible.
+ assert(((!hasMips64() && (isABI_O32() || isABI_EABI())) ||
+ (hasMips64() && (isABI_N32() || isABI_N64()))) &&
+ "Invalid Arch & ABI pair.");
+
// Is the target system Linux ?
if (TT.find("linux") == std::string::npos)
IsLinux = false;
diff --git a/lib/Target/Mips/MipsSubtarget.h b/lib/Target/Mips/MipsSubtarget.h
index c6b43a7..d9dddad 100644
--- a/lib/Target/Mips/MipsSubtarget.h
+++ b/lib/Target/Mips/MipsSubtarget.h
@@ -29,7 +29,7 @@
public:
// NOTE: O64 will not be supported.
enum MipsABIEnum {
- O32, N32, N64, EABI
+ UnknownABI, O32, N32, N64, EABI
};
protected:
