fix CreateTempAlloca to not set a name on the alloca for temporaries
in release-assert builds. For automatic variables, explicitly set
a name with setName that does not make a temporary std::string.
This speeds up -emit-llvm-only -disable-free on PR3810 by 4.6%
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67459 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index d34b0f5..45cd6a7 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -29,7 +29,8 @@
/// block.
llvm::AllocaInst *CodeGenFunction::CreateTempAlloca(const llvm::Type *Ty,
const char *Name) {
- // FIXME: Should not pass name if names are disabled in IRBuilder.
+ if (!Builder.isNamePreserving())
+ Name = "";
return new llvm::AllocaInst(Ty, 0, Name, AllocaInsertPt);
}