[LV] Use StringRef::consume_front. NFC

[topperc]

No description provided.

[llvmbot]

@llvm/pr-subscribers-vectorizers

@llvm/pr-subscribers-llvm-transforms

Author: Craig Topper (topperc)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/161454.diff

1 Files Affected:

• (modified) llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp (+1-2)

diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
index ff35db14f7094..7d376c370bb1c 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
@@ -293,9 +293,8 @@ void LoopVectorizeHints::getHintsFromMetadata() {
 }
 
 void LoopVectorizeHints::setHint(StringRef Name, Metadata *Arg) {
-  if (!Name.starts_with(Prefix()))
+  if (!Name.consume_front(Prefix()))
     return;
-  Name = Name.substr(Prefix().size(), StringRef::npos);
 
   const ConstantInt *C = mdconst::dyn_extract<ConstantInt>(Arg);
   if (!C)

[RKSimon]

LGTM

[fhahn]

LGTM, thanks