[llvm] Use Module level target-abi to assign target features for codegenerated functions. (PR #100833)

[Paul Kirth via llvm-commits]

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@@ -387,6 +388,26 @@ Function *Function::Create(FunctionType *Ty, LinkageTypes Linkage,
   return Create(Ty, Linkage, M.getDataLayout().getProgramAddressSpace(), N, &M);
 }
 
+StringRef Function::getDefaultTargetFeatures(const StringRef TargetABI) {
+  Triple T(getParent()->getTargetTriple());
+  StringRef Attr = "";
+  if (T.isRISCV64()) {
+    if (TargetABI.equals_insensitive("lp64d"))
+      Attr = "+d";
+    else if (TargetABI.equals_insensitive("lp64f"))
+      Attr = "+f";
+  } else if (T.isRISCV32()) {
+    if (TargetABI.equals_insensitive("ilp32d"))
+      Attr = "+d";
+    else if (TargetABI.equals_insensitive("ilp32f"))
+      Attr = "+f";
+  } else if (T.isARM() || T.isThumb()) {
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ilovepi wrote:

Can we also get a test for the ARM cases?

https://github.com/llvm/llvm-project/pull/100833