From c6c91bc019ff7fa09f6570025ba011aad4c0d004 Mon Sep 17 00:00:00 2001 From: Anders Carlsson Date: Wed, 1 Apr 2009 00:15:23 +0000 Subject: [PATCH] Fix a mangling bug where functions with no arguments weren't getting the 'v' parameter specifier. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68162 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/Mangle.cpp | 5 +++++ test/CodeGenCXX/mangle.cpp | 2 ++ 2 files changed, 7 insertions(+) diff --git a/lib/CodeGen/Mangle.cpp b/lib/CodeGen/Mangle.cpp index 7a7a480bdb..427cc76646 100644 --- a/lib/CodeGen/Mangle.cpp +++ b/lib/CodeGen/Mangle.cpp @@ -477,6 +477,11 @@ void CXXNameMangler::mangleBareFunctionType(const FunctionType *T, const FunctionProtoType *Proto = dyn_cast(T); assert(Proto && "Can't mangle K&R function prototypes"); + if (Proto->getNumArgs() == 0) { + Out << 'v'; + return; + } + for (FunctionProtoType::arg_type_iterator Arg = Proto->arg_type_begin(), ArgEnd = Proto->arg_type_end(); Arg != ArgEnd; ++Arg) diff --git a/test/CodeGenCXX/mangle.cpp b/test/CodeGenCXX/mangle.cpp index 855a2ae0a4..7acb31cc69 100644 --- a/test/CodeGenCXX/mangle.cpp +++ b/test/CodeGenCXX/mangle.cpp @@ -24,3 +24,5 @@ void f(u) { } typedef struct { int a; } x,y; void f(y) { } +// RUN: grep _Z1fv %t | count 1 +void f() { } -- 2.40.0