[llvm] [clang] [AMDGPU] Enable OpenCL hostcall printf (WIP) (PR #72556)

[Sameer Sahasrabuddhe via cfe-commits]

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@@ -198,6 +229,10 @@ static void locateCStrings(SparseBitVector<8> &BV, StringRef Str) {
     if (SpecEnd == StringRef::npos)
       return;
     auto Spec = Str.slice(SpecPos, SpecEnd + 1);
+
+    if ((Spec.find_first_of("v")) != StringRef::npos)
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ssahasra wrote:

Just ".find()" should be sufficient?

https://github.com/llvm/llvm-project/pull/72556