[clang] [Clang] Restrict AMDGCN image built-ins (PR #180949)

[Alexey Sachkov via cfe-commits]

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@@ -293,7 +323,12 @@ bool SemaAMDGPU::CheckAMDGCNBuiltinFunctionCall(unsigned BuiltinID,
     unsigned ArgCount = TheCall->getNumArgs() - 1;
     llvm::APSInt Result;
 
-    return (SemaRef.BuiltinConstantArg(TheCall, 1, Result)) ||
+    // Complain about dmask values which are too huge to fully fit into 4 bits
+    // (which is the actual size of the dmask in corresponding HW instructions).
+    constexpr unsigned DMaskArgNo = 1;
+    return (SemaRef.BuiltinConstantArgRange(TheCall, DMaskArgNo, /* Low = */ 0,
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AlexeySachkov wrote:

Dropped in 56b4b4bc32c9cd45b9b3e54736ba07bfaef4b5b8

https://github.com/llvm/llvm-project/pull/180949