Unified logic for computing target ABI in backend and front end by moving this common code to Support/TargetParser.
Modeled Triple::GNU after front end code (aapcs abi) and updated tests that expect apcs abi.
Based heavily on a patch by Ana Pazos!
llvm-svn: 306768
diff --git a/llvm/lib/Support/TargetParser.cpp b/llvm/lib/Support/TargetParser.cpp
index b163519..13bb6f2 100644
--- a/llvm/lib/Support/TargetParser.cpp
+++ b/llvm/lib/Support/TargetParser.cpp
@@ -784,6 +784,42 @@
return 0;
}
+StringRef llvm::ARM::computeDefaultTargetABI(const Triple &TT, StringRef CPU) {
+ StringRef ArchName =
+ CPU.empty() ? TT.getArchName() : ARM::getArchName(ARM::parseCPUArch(CPU));
+
+ if (TT.isOSBinFormatMachO()) {
+ if (TT.getEnvironment() == Triple::EABI ||
+ TT.getOS() == Triple::UnknownOS ||
+ llvm::ARM::parseArchProfile(ArchName) == ARM::PK_M)
+ return "aapcs";
+ if (TT.isWatchABI())
+ return "aapcs16";
+ return "apcs-gnu";
+ } else if (TT.isOSWindows())
+ // FIXME: this is invalid for WindowsCE.
+ return "aapcs";
+
+ // Select the default based on the platform.
+ switch (TT.getEnvironment()) {
+ case Triple::Android:
+ case Triple::GNUEABI:
+ case Triple::GNUEABIHF:
+ case Triple::MuslEABI:
+ case Triple::MuslEABIHF:
+ return "aapcs-linux";
+ case Triple::EABIHF:
+ case Triple::EABI:
+ return "aapcs";
+ default:
+ if (TT.isOSNetBSD())
+ return "apcs-gnu";
+ if (TT.isOSOpenBSD())
+ return "aapcs-linux";
+ return "aapcs";
+ }
+}
+
StringRef llvm::AArch64::getCanonicalArchName(StringRef Arch) {
return ARM::getCanonicalArchName(Arch);
}