diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2017-06-26 20:32:52 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-06-26 20:32:52 +0000 |
| commit | 08bbd35a80bf7765fe0d3043f9eb5a2f2786b649 (patch) | |
| tree | 80108f0f128657f8623f8f66ad9735b4d88e7b47 /lib/Transforms/InstCombine/InstCombineShifts.cpp | |
| parent | 7c7aba6e5fef47a01a136be655b0a92cfd7090f6 (diff) | |
Notes
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineShifts.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineShifts.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineShifts.cpp b/lib/Transforms/InstCombine/InstCombineShifts.cpp index 8cec865c6422..1bb1a85367d1 100644 --- a/lib/Transforms/InstCombine/InstCombineShifts.cpp +++ b/lib/Transforms/InstCombine/InstCombineShifts.cpp @@ -556,8 +556,7 @@ Instruction *InstCombiner::visitShl(BinaryOperator &I) { // The inexact versions are deferred to DAGCombine, so we don't hide shl // behind a bit mask. const APInt *ShOp1; - if (match(Op0, m_CombineOr(m_Exact(m_LShr(m_Value(X), m_APInt(ShOp1))), - m_Exact(m_AShr(m_Value(X), m_APInt(ShOp1)))))) { + if (match(Op0, m_Exact(m_Shr(m_Value(X), m_APInt(ShOp1))))) { unsigned ShrAmt = ShOp1->getZExtValue(); if (ShrAmt < ShAmt) { // If C1 < C2: (X >>?,exact C1) << C2 --> X << (C2 - C1) |