diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2020-06-24 20:22:44 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2020-06-24 20:22:44 +0000 |
| commit | 483b61a50e7423b063fc26985325f594560b3f7e (patch) | |
| tree | 5bb205026b61f3dd88d63f43d0b790d518acefec /llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp | |
| parent | 8055b7e383f74dbc58c8085a0f0c45f4c61f8231 (diff) | |
Notes
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp index ec976a971e3c..23561c25c50a 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp @@ -1768,7 +1768,7 @@ Instruction *InstCombiner::visitSub(BinaryOperator &I) { Constant *C2; // C-(C2-X) --> X+(C-C2) - if (match(Op1, m_Sub(m_Constant(C2), m_Value(X)))) + if (match(Op1, m_Sub(m_Constant(C2), m_Value(X))) && !isa<ConstantExpr>(C2)) return BinaryOperator::CreateAdd(X, ConstantExpr::getSub(C, C2)); // C-(X+C2) --> (C-C2)-X |