summaryrefslogtreecommitdiffstats
path: root/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp')
-rw-r--r--llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp11
1 files changed, 5 insertions, 6 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
index 46294ad732a..22e02969d6a 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -3312,10 +3312,10 @@ foldShiftIntoShiftInAnotherHandOfAndInICmp(ICmpInst &I, const SimplifyQuery SQ,
// Look for an 'and' of two (opposite) logical shifts.
// Pick the single-use shift as XShift.
- Value *XShift, *YShift;
+ Instruction *XShift, *YShift;
if (!match(I.getOperand(0),
- m_c_And(m_CombineAnd(m_AnyLogicalShift, m_Value(XShift)),
- m_CombineAnd(m_AnyLogicalShift, m_Value(YShift)))))
+ m_c_And(m_CombineAnd(m_AnyLogicalShift, m_Instruction(XShift)),
+ m_CombineAnd(m_AnyLogicalShift, m_Instruction(YShift)))))
return nullptr;
// If YShift is a 'lshr', swap the shifts around.
@@ -3323,9 +3323,8 @@ foldShiftIntoShiftInAnotherHandOfAndInICmp(ICmpInst &I, const SimplifyQuery SQ,
std::swap(XShift, YShift);
// The shifts must be in opposite directions.
- Instruction::BinaryOps XShiftOpcode =
- cast<BinaryOperator>(XShift)->getOpcode();
- if (XShiftOpcode == cast<BinaryOperator>(YShift)->getOpcode())
+ auto XShiftOpcode = XShift->getOpcode();
+ if (XShiftOpcode == YShift->getOpcode())
return nullptr; // Do not care about same-direction shifts here.
Value *X, *XShAmt, *Y, *YShAmt;
OpenPOWER on IntegriCloud