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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'.

llvm-svn: 250492
This commit is contained in:
Dylan McKay 2015-10-16 03:10:30 +00:00
parent 58fae7cf6b
commit b1d469c657
3 changed files with 28 additions and 0 deletions
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1
llvm/include/llvm/ADT/Triple.h
View File

@ -50,6 +50,7 @@ public:
armeb, // ARM (big endian): armeb armeb, // ARM (big endian): armeb
aarch64, // AArch64 (little endian): aarch64 aarch64, // AArch64 (little endian): aarch64
aarch64_be, // AArch64 (big endian): aarch64_be aarch64_be, // AArch64 (big endian): aarch64_be
avr, // AVR: Atmel AVR microcontroller
bpfel, // eBPF or extended BPF or 64-bit BPF (little endian) bpfel, // eBPF or extended BPF or 64-bit BPF (little endian)
bpfeb, // eBPF or extended BPF or 64-bit BPF (big endian) bpfeb, // eBPF or extended BPF or 64-bit BPF (big endian)
hexagon, // Hexagon: hexagon hexagon, // Hexagon: hexagon

10
llvm/lib/Support/Triple.cpp
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@ -25,6 +25,7 @@ const char *Triple::getArchTypeName(ArchType Kind) {
case aarch64_be: return "aarch64_be"; case aarch64_be: return "aarch64_be";
case arm: return "arm"; case arm: return "arm";
case armeb: return "armeb"; case armeb: return "armeb";
case avr: return "avr";
case bpfel: return "bpfel"; case bpfel: return "bpfel";
case bpfeb: return "bpfeb"; case bpfeb: return "bpfeb";
case hexagon: return "hexagon"; case hexagon: return "hexagon";
@ -80,6 +81,8 @@ const char *Triple::getArchTypePrefix(ArchType Kind) {
case thumb: case thumb:
case thumbeb: return "arm"; case thumbeb: return "arm";
case avr: return "avr";
case ppc64: case ppc64:
case ppc64le: case ppc64le:
case ppc: return "ppc"; case ppc: return "ppc";
@ -227,6 +230,7 @@ Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) {
.Case("arm64", aarch64) // "arm64" is an alias for "aarch64" .Case("arm64", aarch64) // "arm64" is an alias for "aarch64"
.Case("arm", arm) .Case("arm", arm)
.Case("armeb", armeb) .Case("armeb", armeb)
.Case("avr", avr)
.StartsWith("bpf", BPFArch) .StartsWith("bpf", BPFArch)
.Case("mips", mips) .Case("mips", mips)
.Case("mipsel", mipsel) .Case("mipsel", mipsel)
@ -343,6 +347,7 @@ static Triple::ArchType parseArch(StringRef ArchName) {
.Case("armeb", Triple::armeb) .Case("armeb", Triple::armeb)
.Case("thumb", Triple::thumb) .Case("thumb", Triple::thumb)
.Case("thumbeb", Triple::thumbeb) .Case("thumbeb", Triple::thumbeb)
.Case("avr", Triple::avr)
.Case("msp430", Triple::msp430) .Case("msp430", Triple::msp430)
.Cases("mips", "mipseb", "mipsallegrex", Triple::mips) .Cases("mips", "mipseb", "mipsallegrex", Triple::mips)
.Cases("mipsel", "mipsallegrexel", Triple::mipsel) .Cases("mipsel", "mipsallegrexel", Triple::mipsel)
@ -1029,6 +1034,7 @@ static unsigned getArchPointerBitWidth(llvm::Triple::ArchType Arch) {
case llvm::Triple::UnknownArch: case llvm::Triple::UnknownArch:
return 0; return 0;
case llvm::Triple::avr:
case llvm::Triple::msp430: case llvm::Triple::msp430:
return 16; return 16;
@ -1098,6 +1104,7 @@ Triple Triple::get32BitArchVariant() const {
case Triple::aarch64: case Triple::aarch64:
case Triple::aarch64_be: case Triple::aarch64_be:
case Triple::amdgcn: case Triple::amdgcn:
case Triple::avr:
case Triple::bpfel: case Triple::bpfel:
case Triple::bpfeb: case Triple::bpfeb:
case Triple::msp430: case Triple::msp430:
@ -1152,6 +1159,7 @@ Triple Triple::get64BitArchVariant() const {
case Triple::UnknownArch: case Triple::UnknownArch:
case Triple::arm: case Triple::arm:
case Triple::armeb: case Triple::armeb:
case Triple::avr:
case Triple::hexagon: case Triple::hexagon:
case Triple::kalimba: case Triple::kalimba:
case Triple::msp430: case Triple::msp430:
@ -1208,6 +1216,7 @@ Triple Triple::getBigEndianArchVariant() const {
case Triple::amdgcn: case Triple::amdgcn:
case Triple::amdil64: case Triple::amdil64:
case Triple::amdil: case Triple::amdil:
case Triple::avr:
case Triple::hexagon: case Triple::hexagon:
case Triple::hsail64: case Triple::hsail64:
case Triple::hsail: case Triple::hsail:
@ -1280,6 +1289,7 @@ Triple Triple::getLittleEndianArchVariant() const {
case Triple::amdil64: case Triple::amdil64:
case Triple::amdil: case Triple::amdil:
case Triple::arm: case Triple::arm:
case Triple::avr:
case Triple::bpfel: case Triple::bpfel:
case Triple::hexagon: case Triple::hexagon:
case Triple::hsail64: case Triple::hsail64:

17
llvm/unittests/ADT/TripleTest.cpp
View File

@ -194,6 +194,18 @@ TEST(TripleTest, ParsedIDs) {
EXPECT_EQ(Triple::UnknownOS, T.getOS()); EXPECT_EQ(Triple::UnknownOS, T.getOS());
EXPECT_EQ(Triple::UnknownEnvironment, T.getEnvironment()); 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"); T = Triple("huh");
EXPECT_EQ(Triple::UnknownArch, T.getArch()); EXPECT_EQ(Triple::UnknownArch, T.getArch());
} }
@ -463,6 +475,11 @@ TEST(TripleTest, BitWidthPredicates) {
EXPECT_FALSE(T.isArch16Bit()); EXPECT_FALSE(T.isArch16Bit());
EXPECT_FALSE(T.isArch32Bit()); EXPECT_FALSE(T.isArch32Bit());
EXPECT_TRUE(T.isArch64Bit()); EXPECT_TRUE(T.isArch64Bit());
T.setArch(Triple::avr);
EXPECT_TRUE(T.isArch16Bit());
EXPECT_FALSE(T.isArch32Bit());
EXPECT_FALSE(T.isArch64Bit());
} }
TEST(TripleTest, BitWidthArchVariants) { TEST(TripleTest, BitWidthArchVariants) {