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| author | Evan Cheng <evan.cheng@apple.com> | 2013-01-10 22:13:27 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2013-01-10 22:13:27 +0000 |
| commit | c8444b159a8f04bfc15c63cde676108340eba95a (patch) | |
| tree | e41282557f1613b7d5d4ea7196cb7505ecfec5ab /llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | |
| parent | a9286e931ce92eb413d1e610a20bbe56b768812e (diff) | |
| download | bcm5719-llvm-c8444b159a8f04bfc15c63cde676108340eba95a.tar.gz bcm5719-llvm-c8444b159a8f04bfc15c63cde676108340eba95a.zip | |
PR14896: Handle memcpy from constant string where the memcpy size is larger than the string size.
llvm-svn: 172124
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 6c29c67808e..344d1447a8d 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -3374,10 +3374,11 @@ static SDValue getMemsetStringVal(EVT VT, DebugLoc dl, SelectionDAG &DAG, } assert(!VT.isVector() && "Can't handle vector type here!"); - unsigned NumVTBytes = VT.getSizeInBits() / 8; + unsigned NumVTBits = VT.getSizeInBits(); + unsigned NumVTBytes = NumVTBits / 8; unsigned NumBytes = std::min(NumVTBytes, unsigned(Str.size())); - APInt Val(NumBytes*8, 0); + APInt Val(NumVTBits, 0); if (TLI.isLittleEndian()) { for (unsigned i = 0; i != NumBytes; ++i) Val |= (uint64_t)(unsigned char)Str[i] << i*8; |
