[llvm] [NFC][DirectX] Infrastructure to collect shader flags for each function (PR #112967)

[Damyan Pepper via llvm-commits]

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@@ -20,29 +20,37 @@
 using namespace llvm;
 using namespace llvm::dxil;
 
-static void updateFlags(ComputedShaderFlags &Flags, const Instruction &I) {
+static void updateFlags(DXILModuleShaderFlagsInfo &MSFI, const Instruction &I) {
+  ComputedShaderFlags &FSF = MSFI.FuncShaderFlagsMap[I.getFunction()];
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damyanp wrote:

FSF -> CSF?

https://github.com/llvm/llvm-project/pull/112967