simplify code.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68825 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index f1c69d9..b23311a 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -25,14 +25,12 @@
/// setMacroInfo - Specify a macro for this identifier.
///
void Preprocessor::setMacroInfo(IdentifierInfo *II, MacroInfo *MI) {
- if (MI == 0) {
- if (II->hasMacroDefinition()) {
- Macros.erase(II);
- II->setHasMacroDefinition(false);
- }
- } else {
+ if (MI) {
Macros[II] = MI;
II->setHasMacroDefinition(true);
+ } else if (II->hasMacroDefinition()) {
+ Macros.erase(II);
+ II->setHasMacroDefinition(false);
}
}