diff options
author | John McCall <rjmccall@apple.com> | 2012-03-28 23:30:44 +0000 |
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committer | John McCall <rjmccall@apple.com> | 2012-03-28 23:30:44 +0000 |
commit | 57cd1b89cd91433ce1991a5bff36fe776a263796 (patch) | |
tree | 9d65d25e15649b8487c5a4e9fda2910c1a7dce74 /lib/CodeGen/CGCall.cpp | |
parent | b684a42154a555206a33ac47a52ad2a306cfa2b4 (diff) |
When we can't prove that the target of an aggregate copy is
a complete object, the memcpy needs to use the data size of
the structure instead of its sizeof() value. Fixes PR12204.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153613 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGCall.cpp')
-rw-r--r-- | lib/CodeGen/CGCall.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp index 4455f1a086..f5d7944b37 100644 --- a/lib/CodeGen/CGCall.cpp +++ b/lib/CodeGen/CGCall.cpp @@ -1875,7 +1875,8 @@ RValue CodeGenFunction::EmitCall(const CGFunctionInfo &CallInfo, if (Align > AI->getAlignment()) AI->setAlignment(Align); Args.push_back(AI); - EmitAggregateCopy(AI, Addr, I->Ty, RV.isVolatileQualified()); + EmitAggregateCopy(AI, Addr, I->Ty, RV.isVolatileQualified(), + /*destIsCompleteObject*/ true); // Validate argument match. checkArgMatches(AI, IRArgNo, IRFuncTy); |