From d3bd97a97d8aa1eea6153b6bf39bc5a10ee0a981 Mon Sep 17 00:00:00 2001
From: Rui Ueyama <ruiu@google.com>
Date: Tue, 9 Feb 2016 23:11:21 +0000
Subject: [PATCH] Rangefy, and replace a switch with `if`s. NFC.

llvm-svn: 260320
---
 lld/ELF/OutputSections.cpp | 23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/lld/ELF/OutputSections.cpp b/lld/ELF/OutputSections.cpp
index 936c00e90af5e..92e6c9ba1f572 100644
--- a/lld/ELF/OutputSections.cpp
+++ b/lld/ELF/OutputSections.cpp
@@ -943,21 +943,20 @@ uint8_t EHOutputSection<ELFT>::getFdeEncoding(ArrayRef<uint8_t> D) {
   // We only care about an 'R' value, but other records may precede an 'R'
   // record. Records are not in TLV (type-length-value) format, so we need
   // to teach the linker how to skip records for each type.
-  for (; !Aug.empty(); Aug = Aug.substr(1)) {
-    switch (Aug[0]) {
-    case 'z':
-      skipLeb128(D);
-      break;
-    case 'R':
+  for (char C : Aug) {
+    if (C == 'R')
       return readByte(D);
-    case 'P':
+    if (C == 'z') {
+      skipLeb128(D);
+      continue;
+    }
+    if (C == 'P') {
       skipAugP<ELFT>(D);
-      break;
-    case 'L':
-      break;
-    default:
-      fatal("unknown .eh_frame augmentation string: " + Aug);
+      continue;
     }
+    if (C == 'L')
+      continue;
+    fatal("unknown .eh_frame augmentation string: " + Aug);
   }
   return DW_EH_PE_absptr;
 }