[WebAssembly] Initial WebAssembly backend

This WebAssembly backend is just a skeleton at this time and is not yet
functional.

llvm-svn: 241022

1 files changed, 30 insertions, 0 deletions

diff --git a/llvm/unittests/ADT/TripleTest.cpp b/llvm/unittests/ADT/TripleTest.cpp
index 23a9128a8f2..dfeebacfdaa 100644
--- a/llvm/unittests/ADT/TripleTest.cpp
+++ b/llvm/unittests/ADT/TripleTest.cpp
@@ -182,6 +182,18 @@ TEST(TripleTest, ParsedIDs) {
   EXPECT_EQ(Triple::CloudABI, T.getOS());
   EXPECT_EQ(Triple::UnknownEnvironment, T.getEnvironment());
 
+  T = Triple("wasm32-unknown-wasm");
+  EXPECT_EQ(Triple::wasm32, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::WebAssembly, T.getOS());
+  EXPECT_EQ(Triple::UnknownEnvironment, T.getEnvironment());
+
+  T = Triple("wasm64-unknown-wasm");
+  EXPECT_EQ(Triple::wasm64, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::WebAssembly, T.getOS());
+  EXPECT_EQ(Triple::UnknownEnvironment, T.getEnvironment());
+
   T = Triple("huh");
   EXPECT_EQ(Triple::UnknownArch, T.getArch());
 }
@@ -439,6 +451,16 @@ TEST(TripleTest, BitWidthPredicates) {
   EXPECT_FALSE(T.isArch16Bit());
   EXPECT_FALSE(T.isArch32Bit());
   EXPECT_TRUE(T.isArch64Bit());
+
+  T.setArch(Triple::wasm32);
+  EXPECT_FALSE(T.isArch16Bit());
+  EXPECT_TRUE(T.isArch32Bit());
+  EXPECT_FALSE(T.isArch64Bit());
+
+  T.setArch(Triple::wasm64);
+  EXPECT_FALSE(T.isArch16Bit());
+  EXPECT_FALSE(T.isArch32Bit());
+  EXPECT_TRUE(T.isArch64Bit());
 }
 
 TEST(TripleTest, BitWidthArchVariants) {
@@ -521,6 +543,14 @@ TEST(TripleTest, BitWidthArchVariants) {
   T.setArch(Triple::spir64);
   EXPECT_EQ(Triple::spir, T.get32BitArchVariant().getArch());
   EXPECT_EQ(Triple::spir64, T.get64BitArchVariant().getArch());
+
+  T.setArch(Triple::wasm32);
+  EXPECT_EQ(Triple::wasm32, T.get32BitArchVariant().getArch());
+  EXPECT_EQ(Triple::wasm64, T.get64BitArchVariant().getArch());
+
+  T.setArch(Triple::wasm64);
+  EXPECT_EQ(Triple::wasm32, T.get32BitArchVariant().getArch());
+  EXPECT_EQ(Triple::wasm64, T.get64BitArchVariant().getArch());
 }
 
 TEST(TripleTest, getOSVersion) {