MCSymbolicELF: simplify. (Flags & (x << s)) >> s is equivalent to Flags >> s & x

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358067 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/MC/MCSymbolELF.cpp b/lib/MC/MCSymbolELF.cpp
index 3931f1e572178628bfec7115ba1ddc55c06cc2db..a07c56c64f8416dd5308513797b1f0472446baa6 100644 (file)
--- a/lib/MC/MCSymbolELF.cpp
+++ b/lib/MC/MCSymbolELF.cpp
@@ -65,7 +65,7 @@ void MCSymbolELF::setBinding(unsigned Binding) const {
 
 unsigned MCSymbolELF::getBinding() const {
   if (isBindingSet()) {
-    uint32_t Val = (getFlags() & (0x3 << ELF_STB_Shift)) >> ELF_STB_Shift;
+    uint32_t Val = (Flags >> ELF_STB_Shift) & 3;
     switch (Val) {
     default:
       llvm_unreachable("Invalid value");
@@ -125,7 +125,7 @@ void MCSymbolELF::setType(unsigned Type) const {
 }
 
 unsigned MCSymbolELF::getType() const {
-  uint32_t Val = (getFlags() & (0x7 << ELF_STT_Shift)) >> ELF_STT_Shift;
+  uint32_t Val = (Flags >> ELF_STT_Shift) & 7;
   switch (Val) {
   default:
     llvm_unreachable("Invalid value");
@@ -155,9 +155,7 @@ void MCSymbolELF::setVisibility(unsigned Visibility) {
 }
 
 unsigned MCSymbolELF::getVisibility() const {
-  unsigned Visibility = (getFlags() & (0x3 << ELF_STV_Shift)) >> ELF_STV_Shift;
-  assert(Visibility == ELF::STV_DEFAULT || Visibility == ELF::STV_INTERNAL ||
-         Visibility == ELF::STV_HIDDEN || Visibility == ELF::STV_PROTECTED);
+  unsigned Visibility = (Flags >> ELF_STV_Shift) & 3;
   return Visibility;
 }
 
@@ -170,7 +168,7 @@ void MCSymbolELF::setOther(unsigned Other) {
 }
 
 unsigned MCSymbolELF::getOther() const {
-  unsigned Other = (getFlags() & (0x7 << ELF_STO_Shift)) >> ELF_STO_Shift;
+  unsigned Other = (Flags >> ELF_STO_Shift) & 7;
   return Other << 5;
 }