[llvm] r250492 - Initial migration of AVR backend

[Dylan McKay via llvm-commits]

Author: dylanmckay
Date: Thu Oct 15 22:10:30 2015
New Revision: 250492

URL: http://llvm.org/viewvc/llvm-project?rev=250492&view=rev
Log:
Initial migration of AVR backend

This patch adds the underlying infrastructure for an AVR backend to be included into LLVM. It is the first of a series of patches aimed at moving the out-of-tree AVR backend into the tree.

It consists of adding a new`Triple` target 'avr'.

Modified:
    llvm/trunk/include/llvm/ADT/Triple.h
    llvm/trunk/lib/Support/Triple.cpp
    llvm/trunk/unittests/ADT/TripleTest.cpp

Modified: llvm/trunk/include/llvm/ADT/Triple.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ADT/Triple.h?rev=250492&r1=250491&r2=250492&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ADT/Triple.h (original)
+++ llvm/trunk/include/llvm/ADT/Triple.h Thu Oct 15 22:10:30 2015
@@ -50,6 +50,7 @@ public:
     armeb,      // ARM (big endian): armeb
     aarch64,    // AArch64 (little endian): aarch64
     aarch64_be, // AArch64 (big endian): aarch64_be
+    avr,        // AVR: Atmel AVR microcontroller
     bpfel,      // eBPF or extended BPF or 64-bit BPF (little endian)
     bpfeb,      // eBPF or extended BPF or 64-bit BPF (big endian)
     hexagon,    // Hexagon: hexagon

Modified: llvm/trunk/lib/Support/Triple.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Triple.cpp?rev=250492&r1=250491&r2=250492&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Triple.cpp (original)
+++ llvm/trunk/lib/Support/Triple.cpp Thu Oct 15 22:10:30 2015
@@ -25,6 +25,7 @@ const char *Triple::getArchTypeName(Arch
   case aarch64_be:  return "aarch64_be";
   case arm:         return "arm";
   case armeb:       return "armeb";
+  case avr:         return "avr";
   case bpfel:       return "bpfel";
   case bpfeb:       return "bpfeb";
   case hexagon:     return "hexagon";
@@ -80,6 +81,8 @@ const char *Triple::getArchTypePrefix(Ar
   case thumb:
   case thumbeb:     return "arm";
 
+  case avr:         return "avr";
+
   case ppc64:
   case ppc64le:
   case ppc:         return "ppc";
@@ -227,6 +230,7 @@ Triple::ArchType Triple::getArchTypeForL
     .Case("arm64", aarch64) // "arm64" is an alias for "aarch64"
     .Case("arm", arm)
     .Case("armeb", armeb)
+    .Case("avr", avr)
     .StartsWith("bpf", BPFArch)
     .Case("mips", mips)
     .Case("mipsel", mipsel)
@@ -343,6 +347,7 @@ static Triple::ArchType parseArch(String
     .Case("armeb", Triple::armeb)
     .Case("thumb", Triple::thumb)
     .Case("thumbeb", Triple::thumbeb)
+    .Case("avr", Triple::avr)
     .Case("msp430", Triple::msp430)
     .Cases("mips", "mipseb", "mipsallegrex", Triple::mips)
     .Cases("mipsel", "mipsallegrexel", Triple::mipsel)
@@ -1029,6 +1034,7 @@ static unsigned getArchPointerBitWidth(l
   case llvm::Triple::UnknownArch:
     return 0;
 
+  case llvm::Triple::avr:
   case llvm::Triple::msp430:
     return 16;
 
@@ -1098,6 +1104,7 @@ Triple Triple::get32BitArchVariant() con
   case Triple::aarch64:
   case Triple::aarch64_be:
   case Triple::amdgcn:
+  case Triple::avr:
   case Triple::bpfel:
   case Triple::bpfeb:
   case Triple::msp430:
@@ -1152,6 +1159,7 @@ Triple Triple::get64BitArchVariant() con
   case Triple::UnknownArch:
   case Triple::arm:
   case Triple::armeb:
+  case Triple::avr:
   case Triple::hexagon:
   case Triple::kalimba:
   case Triple::msp430:
@@ -1208,6 +1216,7 @@ Triple Triple::getBigEndianArchVariant()
   case Triple::amdgcn:
   case Triple::amdil64:
   case Triple::amdil:
+  case Triple::avr:
   case Triple::hexagon:
   case Triple::hsail64:
   case Triple::hsail:
@@ -1280,6 +1289,7 @@ Triple Triple::getLittleEndianArchVarian
   case Triple::amdil64:
   case Triple::amdil:
   case Triple::arm:
+  case Triple::avr:
   case Triple::bpfel:
   case Triple::hexagon:
   case Triple::hsail64:

Modified: llvm/trunk/unittests/ADT/TripleTest.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/ADT/TripleTest.cpp?rev=250492&r1=250491&r2=250492&view=diff
==============================================================================
--- llvm/trunk/unittests/ADT/TripleTest.cpp (original)
+++ llvm/trunk/unittests/ADT/TripleTest.cpp Thu Oct 15 22:10:30 2015
@@ -194,6 +194,18 @@ TEST(TripleTest, ParsedIDs) {
   EXPECT_EQ(Triple::UnknownOS, T.getOS());
   EXPECT_EQ(Triple::UnknownEnvironment, T.getEnvironment());
 
+  T = Triple("avr-unknown-unknown");
+  EXPECT_EQ(Triple::avr, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::UnknownOS, T.getOS());
+  EXPECT_EQ(Triple::UnknownEnvironment, T.getEnvironment());
+
+  T = Triple("avr");
+  EXPECT_EQ(Triple::avr, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::UnknownOS, T.getOS());
+  EXPECT_EQ(Triple::UnknownEnvironment, T.getEnvironment());
+
   T = Triple("huh");
   EXPECT_EQ(Triple::UnknownArch, T.getArch());
 }
@@ -463,6 +475,11 @@ TEST(TripleTest, BitWidthPredicates) {
   EXPECT_FALSE(T.isArch16Bit());
   EXPECT_FALSE(T.isArch32Bit());
   EXPECT_TRUE(T.isArch64Bit());
+
+  T.setArch(Triple::avr);
+  EXPECT_TRUE(T.isArch16Bit());
+  EXPECT_FALSE(T.isArch32Bit());
+  EXPECT_FALSE(T.isArch64Bit());
 }
 
 TEST(TripleTest, BitWidthArchVariants) {