diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Analysis/InstructionSimplify.cpp')
-rw-r--r-- | contrib/llvm-project/llvm/lib/Analysis/InstructionSimplify.cpp | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/contrib/llvm-project/llvm/lib/Analysis/InstructionSimplify.cpp b/contrib/llvm-project/llvm/lib/Analysis/InstructionSimplify.cpp index 4691aebbdfe1..21fe448218bc 100644 --- a/contrib/llvm-project/llvm/lib/Analysis/InstructionSimplify.cpp +++ b/contrib/llvm-project/llvm/lib/Analysis/InstructionSimplify.cpp @@ -1591,12 +1591,6 @@ static Value *simplifyAndOfICmpsWithSameOperands(ICmpInst *Op0, ICmpInst *Op1) { !match(Op1, m_ICmp(Pred1, m_Specific(A), m_Specific(B)))) return nullptr; - // We have (icmp Pred0, A, B) & (icmp Pred1, A, B). - // If Op1 is always implied true by Op0, then Op0 is a subset of Op1, and we - // can eliminate Op1 from this 'and'. - if (ICmpInst::isImpliedTrueByMatchingCmp(Pred0, Pred1)) - return Op0; - // Check for any combination of predicates that are guaranteed to be disjoint. if ((Pred0 == ICmpInst::getInversePredicate(Pred1)) || (Pred0 == ICmpInst::ICMP_EQ && ICmpInst::isFalseWhenEqual(Pred1)) || @@ -1616,12 +1610,6 @@ static Value *simplifyOrOfICmpsWithSameOperands(ICmpInst *Op0, ICmpInst *Op1) { !match(Op1, m_ICmp(Pred1, m_Specific(A), m_Specific(B)))) return nullptr; - // We have (icmp Pred0, A, B) | (icmp Pred1, A, B). - // If Op1 is always implied true by Op0, then Op0 is a subset of Op1, and we - // can eliminate Op0 from this 'or'. - if (ICmpInst::isImpliedTrueByMatchingCmp(Pred0, Pred1)) - return Op1; - // Check for any combination of predicates that cover the entire range of // possibilities. if ((Pred0 == ICmpInst::getInversePredicate(Pred1)) || |