[llvm-branch-commits] [llvm] [AMDGPU] Add `.amdgpu.info` section for per-function metadata (PR #192384)

[Shilei Tian via llvm-branch-commits]

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@@ -6741,6 +6746,115 @@ bool AMDGPUAsmParser::ParseDirectiveAMDGPULDS() {
   return false;
 }
 
+bool AMDGPUAsmParser::ParseDirectiveAMDGPUInfo() {
+  if (getParser().checkForValidSection())
+    return true;
+
+  StringRef FuncName;
+  if (getParser().parseIdentifier(FuncName))
+    return TokError("expected symbol name after .amdgpu_info");
+
+  MCSymbol *FuncSym = getContext().getOrCreateSymbol(FuncName);
+  AMDGPU::FuncInfo FI;
+  FI.Sym = FuncSym;
+  bool HasScalarAttrs = false;
+
+  while (true) {
+    while (trySkipToken(AsmToken::EndOfStatement))
+      ;
+
+    StringRef ID;
+    SMLoc IDLoc = getLoc();
+    if (!parseId(ID, "expected directive or .end_amdgpu_info"))
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shiltian wrote:

Added negative test in `llvm/test/MC/AMDGPU/amdgpu-info-err.s`.

https://github.com/llvm/llvm-project/pull/192384