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| author | Chris Lattner <sabre@nondot.org> | 2006-12-16 21:21:53 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-12-16 21:21:53 +0000 |
| commit | 95ca3a453ad0a86c77ba44ba48f019f1c5d8e960 (patch) | |
| tree | 740ad7bd39e40fda3de5d81a035a351975598909 /lib/Transforms | |
| parent | 36d439666c9f9f781d57dc2fd6d3cc80602fe095 (diff) | |
| download | external_llvm-95ca3a453ad0a86c77ba44ba48f019f1c5d8e960.tar.gz external_llvm-95ca3a453ad0a86c77ba44ba48f019f1c5d8e960.tar.bz2 external_llvm-95ca3a453ad0a86c77ba44ba48f019f1c5d8e960.zip | |
when inserting a dummy argument to work-around the CBE not supporting
zero arg vararg functions, pass undef instead of 'int 0', which is cheaper.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32634 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/IPO/DeadArgumentElimination.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/Transforms/IPO/DeadArgumentElimination.cpp b/lib/Transforms/IPO/DeadArgumentElimination.cpp index d3326ac71f..dbcc501890 100644 --- a/lib/Transforms/IPO/DeadArgumentElimination.cpp +++ b/lib/Transforms/IPO/DeadArgumentElimination.cpp @@ -499,8 +499,6 @@ void DAE::RemoveDeadArgumentsFromFunction(Function *F) { // Work around LLVM bug PR56: the CWriter cannot emit varargs functions which // have zero fixed arguments. // - // FIXME: once this bug is fixed in the CWriter, this hack should be removed. - // bool ExtraArgHack = false; if (Params.empty() && FTy->isVarArg()) { ExtraArgHack = true; @@ -530,7 +528,7 @@ void DAE::RemoveDeadArgumentsFromFunction(Function *F) { Args.push_back(*AI); if (ExtraArgHack) - Args.push_back(Constant::getNullValue(Type::IntTy)); + Args.push_back(UndefValue::get(Type::IntTy)); // Push any varargs arguments on the list for (; AI != CS.arg_end(); ++AI) |