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| author | Douglas Gregor <dgregor@apple.com> | 2011-01-12 22:11:34 +0000 |
|---|---|---|
| committer | Douglas Gregor <dgregor@apple.com> | 2011-01-12 22:11:34 +0000 |
| commit | 9370c8f4af43a98a6f16e65f5d88d58db846e374 (patch) | |
| tree | a0d157cc29c5314243f6e0a1ea3e4ebf40de01d5 | |
| parent | ac6c09917eaf32a35d2c7c95856864d877ef1963 (diff) | |
Add IR generation support for SizeOfPackExpr.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123332 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/CGExprScalar.cpp | 5 | ||||
| -rw-r--r-- | test/CodeGenCXX/variadic-templates.cpp | 12 |
2 files changed, 17 insertions, 0 deletions
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp index 6b22fc48d4..f80304d6de 100644 --- a/lib/CodeGen/CGExprScalar.cpp +++ b/lib/CodeGen/CGExprScalar.cpp @@ -195,6 +195,11 @@ public: return Builder.CreateBitCast(V, ConvertType(E->getType())); } + Value *VisitSizeOfPackExpr(SizeOfPackExpr *E) { + return llvm::ConstantInt::get(ConvertType(E->getType()), + E->getPackLength()); + } + // l-values. Value *VisitDeclRefExpr(DeclRefExpr *E) { Expr::EvalResult Result; diff --git a/test/CodeGenCXX/variadic-templates.cpp b/test/CodeGenCXX/variadic-templates.cpp new file mode 100644 index 0000000000..5faeba4057 --- /dev/null +++ b/test/CodeGenCXX/variadic-templates.cpp @@ -0,0 +1,12 @@ +// RUN: %clang_cc1 -std=c++0x -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s + +template<typename ...Types> +int get_num_types(Types...) { + return sizeof...(Types); +} + +// CHECK: define weak_odr i32 @_Z13get_num_typesIJifdEEispT_ +// CHECK: ret i32 3 +template int get_num_types(int, float, double); + + |