[WebAssembly] Add multivalue and tail-call target features
Summary:
These features will both be implemented soon, so I thought I would
save time by adding the boilerplate for both of them at the same time.
Reviewers: aheejin
Subscribers: dschuff, sbc100, jgravelle-google, hiraditya, sunfish, cfe-commits, llvm-commits
Tags: #clang, #llvm
Differential Revision: https://reviews.llvm.org/D62047
llvm-svn: 361516
diff --git a/clang/lib/Basic/Targets/WebAssembly.cpp b/clang/lib/Basic/Targets/WebAssembly.cpp
index 2fceed2..b16442b 100644
--- a/clang/lib/Basic/Targets/WebAssembly.cpp
+++ b/clang/lib/Basic/Targets/WebAssembly.cpp
@@ -43,6 +43,8 @@
.Case("bulk-memory", HasBulkMemory)
.Case("atomics", HasAtomics)
.Case("mutable-globals", HasMutableGlobals)
+ .Case("multivalue", HasMultivalue)
+ .Case("tail-call", HasTailCall)
.Default(false);
}
@@ -74,6 +76,10 @@
Builder.defineMacro("__wasm_atomics__");
if (HasMutableGlobals)
Builder.defineMacro("__wasm_mutable_globals__");
+ if (HasMultivalue)
+ Builder.defineMacro("__wasm_multivalue__");
+ if (HasTailCall)
+ Builder.defineMacro("__wasm_tail_call__");
}
void WebAssemblyTargetInfo::setSIMDLevel(llvm::StringMap<bool> &Features,
@@ -116,6 +122,10 @@
Features["atomics"] = true;
if (HasMutableGlobals)
Features["mutable-globals"] = true;
+ if (HasMultivalue)
+ Features["multivalue"] = true;
+ if (HasTailCall)
+ Features["tail-call"] = true;
return TargetInfo::initFeatureMap(Features, Diags, CPU, FeaturesVec);
}
@@ -187,6 +197,22 @@
HasMutableGlobals = false;
continue;
}
+ if (Feature == "+multivalue") {
+ HasMultivalue = true;
+ continue;
+ }
+ if (Feature == "-multivalue") {
+ HasMultivalue = false;
+ continue;
+ }
+ if (Feature == "+tail-call") {
+ HasTailCall = true;
+ continue;
+ }
+ if (Feature == "-tail-call") {
+ HasTailCall = false;
+ continue;
+ }
Diags.Report(diag::err_opt_not_valid_with_opt)
<< Feature << "-target-feature";