diff options
| author | Anders Carlsson <andersca@mac.com> | 2008-11-04 05:30:00 +0000 |
|---|---|---|
| committer | Anders Carlsson <andersca@mac.com> | 2008-11-04 05:30:00 +0000 |
| commit | ddf7cac45d85b73127adbbd91a2b28fc7291c57e (patch) | |
| tree | a4e61dee55c101168d9afd23227c00bc9aa45a44 /lib/CodeGen/CGExprAgg.cpp | |
| parent | d9641f8dad2eb11ad5f035a41f88c4259b80cd90 (diff) | |
Implement lowering of va_arg in clang directly. (This is 32-bit X86 only for now).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58681 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGExprAgg.cpp')
| -rw-r--r-- | lib/CodeGen/CGExprAgg.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/CodeGen/CGExprAgg.cpp b/lib/CodeGen/CGExprAgg.cpp index 28fb9a338d..e8ab1bbb7f 100644 --- a/lib/CodeGen/CGExprAgg.cpp +++ b/lib/CodeGen/CGExprAgg.cpp @@ -256,10 +256,14 @@ void AggExprEmitter::VisitConditionalOperator(const ConditionalOperator *E) { void AggExprEmitter::VisitVAArgExpr(VAArgExpr *VE) { llvm::Value *ArgValue = CGF.EmitLValue(VE->getSubExpr()).getAddress(); - llvm::Value *V = Builder.CreateVAArg(ArgValue, CGF.ConvertType(VE->getType())); + llvm::Value *ArgPtr = CGF.EmitVAArg(ArgValue, VE->getType()); + + if (!ArgPtr) + CGF.ErrorUnsupported(VE, "aggregate va_arg expression"); + if (DestPtr) // FIXME: volatility - Builder.CreateStore(V, DestPtr); + CGF.EmitAggregateCopy(DestPtr, ArgPtr, VE->getType()); } void AggExprEmitter::EmitNonConstInit(InitListExpr *E) { |