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| author | Eli Friedman <eli.friedman@gmail.com> | 2009-12-04 02:43:40 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2009-12-04 02:43:40 +0000 |
| commit | b17daf9ab790ae71aacad2cc4aa11cd8d86c25d1 (patch) | |
| tree | e5fee8904313938c1fac19a0b49dcec8e09cee62 /lib/CodeGen/CGCall.cpp | |
| parent | adfa26773c0157cc1ce92213ed6e9c76fa570677 (diff) | |
Make functions returning a struct indirectly evaluate the returned struct
directly into the sret pointer. This is an optimization in C, but is required
for correctness in C++ for classes with a non-trivial copy constructor.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90526 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGCall.cpp')
| -rw-r--r-- | lib/CodeGen/CGCall.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp index decc73c6d4..62a5792d27 100644 --- a/lib/CodeGen/CGCall.cpp +++ b/lib/CodeGen/CGCall.cpp @@ -764,7 +764,7 @@ void CodeGenFunction::EmitFunctionEpilog(const CGFunctionInfo &FI, ComplexPairTy RT = LoadComplexFromAddr(ReturnValue, false); StoreComplexToAddr(RT, CurFn->arg_begin(), false); } else if (CodeGenFunction::hasAggregateLLVMType(RetTy)) { - EmitAggregateCopy(CurFn->arg_begin(), ReturnValue, RetTy); + // Do nothing; aggregrates get evaluated directly into the destination. } else { EmitStoreOfScalar(Builder.CreateLoad(ReturnValue), CurFn->arg_begin(), false, RetTy); |