[ARM] Move ARM::parseBranchProtection into ARMTargetParserCommon

This should live with the Arm targets, given they have target-specific
target parsers.

Differential Revision: https://reviews.llvm.org/D137835

2 files changed, 49 insertions, 48 deletions

diff --git a/llvm/lib/Support/ARMTargetParserCommon.cpp b/llvm/lib/Support/ARMTargetParserCommon.cpp
index 1cbf6e1..8650261 100644
--- a/llvm/lib/Support/ARMTargetParserCommon.cpp
+++ b/llvm/lib/Support/ARMTargetParserCommon.cpp
@@ -11,6 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/ARMTargetParserCommon.h"
+#include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringSwitch.h"
 
 using namespace llvm;
@@ -130,3 +131,51 @@ ARM::EndianKind ARM::parseArchEndian(StringRef Arch) {
 
   return EndianKind::INVALID;
 }
+
+// Parse a branch protection specification, which has the form
+//   standard | none | [bti,pac-ret[+b-key,+leaf]*]
+// Returns true on success, with individual elements of the specification
+// returned in `PBP`. Returns false in error, with `Err` containing
+// an erroneous part of the spec.
+bool ARM::parseBranchProtection(StringRef Spec, ParsedBranchProtection &PBP,
+                                StringRef &Err) {
+  PBP = {"none", "a_key", false};
+  if (Spec == "none")
+    return true; // defaults are ok
+
+  if (Spec == "standard") {
+    PBP.Scope = "non-leaf";
+    PBP.BranchTargetEnforcement = true;
+    return true;
+  }
+
+  SmallVector<StringRef, 4> Opts;
+  Spec.split(Opts, "+");
+  for (int I = 0, E = Opts.size(); I != E; ++I) {
+    StringRef Opt = Opts[I].trim();
+    if (Opt == "bti") {
+      PBP.BranchTargetEnforcement = true;
+      continue;
+    }
+    if (Opt == "pac-ret") {
+      PBP.Scope = "non-leaf";
+      for (; I + 1 != E; ++I) {
+        StringRef PACOpt = Opts[I + 1].trim();
+        if (PACOpt == "leaf")
+          PBP.Scope = "all";
+        else if (PACOpt == "b-key")
+          PBP.Key = "b_key";
+        else
+          break;
+      }
+      continue;
+    }
+    if (Opt == "")
+      Err = "<empty>";
+    else
+      Err = Opt;
+    return false;
+  }
+
+  return true;
+}
diff --git a/llvm/lib/Support/TargetParser.cpp b/llvm/lib/Support/TargetParser.cpp
index a7eccb6..1f45f11 100644
--- a/llvm/lib/Support/TargetParser.cpp
+++ b/llvm/lib/Support/TargetParser.cpp
@@ -337,51 +337,3 @@ bool getCPUFeaturesExceptStdExt(CPUKind Kind,
 
 } // namespace RISCV
 } // namespace llvm
-
-// Parse a branch protection specification, which has the form
-//   standard | none | [bti,pac-ret[+b-key,+leaf]*]
-// Returns true on success, with individual elements of the specification
-// returned in `PBP`. Returns false in error, with `Err` containing
-// an erroneous part of the spec.
-bool ARM::parseBranchProtection(StringRef Spec, ParsedBranchProtection &PBP,
-                                StringRef &Err) {
-  PBP = {"none", "a_key", false};
-  if (Spec == "none")
-    return true; // defaults are ok
-
-  if (Spec == "standard") {
-    PBP.Scope = "non-leaf";
-    PBP.BranchTargetEnforcement = true;
-    return true;
-  }
-
-  SmallVector<StringRef, 4> Opts;
-  Spec.split(Opts, "+");
-  for (int I = 0, E = Opts.size(); I != E; ++I) {
-    StringRef Opt = Opts[I].trim();
-    if (Opt == "bti") {
-      PBP.BranchTargetEnforcement = true;
-      continue;
-    }
-    if (Opt == "pac-ret") {
-      PBP.Scope = "non-leaf";
-      for (; I + 1 != E; ++I) {
-        StringRef PACOpt = Opts[I + 1].trim();
-        if (PACOpt == "leaf")
-          PBP.Scope = "all";
-        else if (PACOpt == "b-key")
-          PBP.Key = "b_key";
-        else
-          break;
-      }
-      continue;
-    }
-    if (Opt == "")
-      Err = "<empty>";
-    else
-      Err = Opt;
-    return false;
-  }
-
-  return true;
-}