From: Aaron Ballman <aaron@aaronballman.com>
Date: Mon, 20 Jun 2016 15:37:15 +0000 (+0000)
Subject: Removing an unused switch statement that has only a default label. This happens to... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=30081011a509d77445aef3a1e4b64f4bb8038b93;p=llvm

Removing an unused switch statement that has only a default label. This happens to also eliminate an instance of switchception. NFC intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273161 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMMCInstLower.cpp b/lib/Target/ARM/ARMMCInstLower.cpp
index 557a9aa8620..e12c3305c4e 100644
--- a/lib/Target/ARM/ARMMCInstLower.cpp
+++ b/lib/Target/ARM/ARMMCInstLower.cpp
@@ -26,29 +26,23 @@ using namespace llvm;
 
 MCOperand ARMAsmPrinter::GetSymbolRef(const MachineOperand &MO,
                                       const MCSymbol *Symbol) {
-  const MCExpr *Expr;
-  unsigned Option = MO.getTargetFlags() & ARMII::MO_OPTION_MASK;
-  switch (Option) {
-  default: {
-    Expr = MCSymbolRefExpr::create(Symbol, MCSymbolRefExpr::VK_None,
-                                   OutContext);
-    switch (Option) {
-    default: llvm_unreachable("Unknown target flag on symbol operand");
-    case ARMII::MO_NO_FLAG:
-      break;
-    case ARMII::MO_LO16:
-      Expr = MCSymbolRefExpr::create(Symbol, MCSymbolRefExpr::VK_None,
-                                     OutContext);
-      Expr = ARMMCExpr::createLower16(Expr, OutContext);
-      break;
-    case ARMII::MO_HI16:
-      Expr = MCSymbolRefExpr::create(Symbol, MCSymbolRefExpr::VK_None,
-                                     OutContext);
-      Expr = ARMMCExpr::createUpper16(Expr, OutContext);
-      break;
-    }
+  const MCExpr *Expr =
+      MCSymbolRefExpr::create(Symbol, MCSymbolRefExpr::VK_None, OutContext);
+  switch (MO.getTargetFlags() & ARMII::MO_OPTION_MASK) {
+  default:
+    llvm_unreachable("Unknown target flag on symbol operand");
+  case ARMII::MO_NO_FLAG:
+    break;
+  case ARMII::MO_LO16:
+    Expr =
+        MCSymbolRefExpr::create(Symbol, MCSymbolRefExpr::VK_None, OutContext);
+    Expr = ARMMCExpr::createLower16(Expr, OutContext);
+    break;
+  case ARMII::MO_HI16:
+    Expr =
+        MCSymbolRefExpr::create(Symbol, MCSymbolRefExpr::VK_None, OutContext);
+    Expr = ARMMCExpr::createUpper16(Expr, OutContext);
     break;
-  }
   }
 
   if (!MO.isJTI() && MO.getOffset())