[mips] Fix `__mips_isa_rev` macros value for Octeon CPU
diff --git a/clang/lib/Basic/Targets/Mips.cpp b/clang/lib/Basic/Targets/Mips.cpp
index 2cafbe87..4ca7f08 100644
--- a/clang/lib/Basic/Targets/Mips.cpp
+++ b/clang/lib/Basic/Targets/Mips.cpp
@@ -61,7 +61,7 @@
unsigned MipsTargetInfo::getISARev() const {
return llvm::StringSwitch<unsigned>(getCPU())
.Cases("mips32", "mips64", 1)
- .Cases("mips32r2", "mips64r2", 2)
+ .Cases("mips32r2", "mips64r2", "octeon", 2)
.Cases("mips32r3", "mips64r3", 3)
.Cases("mips32r5", "mips64r5", 5)
.Cases("mips32r6", "mips64r6", 6)