[lldb] [libc] [llvm] [clang-tools-extra] [libcxxabi] [flang] [lld] [compiler-rt] [clang] [libcxx] [libclc] [VPlan] Add new VPUniformPerUFRecipe, use for step truncation. (PR #78113)

[via cfe-commits]

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@@ -1469,6 +1461,52 @@ void VPReplicateRecipe::print(raw_ostream &O, const Twine &Indent,
 }
 #endif
 
+static bool isUniformAcrossVFsAndUFs(VPScalarCastRecipe *C) {
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ayalz wrote:

Worth documenting, potentially leaving behind a note that uniformity should essentially be associated with VPValues.

https://github.com/llvm/llvm-project/pull/78113