diff options
Diffstat (limited to 'llvm/lib/Analysis/InstructionSimplify.cpp')
-rw-r--r-- | llvm/lib/Analysis/InstructionSimplify.cpp | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/llvm/lib/Analysis/InstructionSimplify.cpp b/llvm/lib/Analysis/InstructionSimplify.cpp index 9d317b46b9e..a64409bea24 100644 --- a/llvm/lib/Analysis/InstructionSimplify.cpp +++ b/llvm/lib/Analysis/InstructionSimplify.cpp @@ -1694,7 +1694,8 @@ static Value *simplifyOrOfICmps(ICmpInst *Op0, ICmpInst *Op1) { return nullptr; } -static Value *simplifyAndOrOfFCmps(FCmpInst *LHS, FCmpInst *RHS, bool IsAnd) { +static Value *simplifyAndOrOfFCmps(const TargetLibraryInfo *TLI, + FCmpInst *LHS, FCmpInst *RHS, bool IsAnd) { Value *LHS0 = LHS->getOperand(0), *LHS1 = LHS->getOperand(1); Value *RHS0 = RHS->getOperand(0), *RHS1 = RHS->getOperand(1); if (LHS0->getType() != RHS0->getType()) @@ -1711,8 +1712,8 @@ static Value *simplifyAndOrOfFCmps(FCmpInst *LHS, FCmpInst *RHS, bool IsAnd) { // (fcmp uno NNAN, X) | (fcmp uno Y, X) --> fcmp uno Y, X // (fcmp uno X, NNAN) | (fcmp uno X, Y) --> fcmp uno X, Y // (fcmp uno X, NNAN) | (fcmp uno Y, X) --> fcmp uno Y, X - if ((isKnownNeverNaN(LHS0) && (LHS1 == RHS0 || LHS1 == RHS1)) || - (isKnownNeverNaN(LHS1) && (LHS0 == RHS0 || LHS0 == RHS1))) + if ((isKnownNeverNaN(LHS0, TLI) && (LHS1 == RHS0 || LHS1 == RHS1)) || + (isKnownNeverNaN(LHS1, TLI) && (LHS0 == RHS0 || LHS0 == RHS1))) return RHS; // (fcmp ord X, Y) & (fcmp ord NNAN, X) --> fcmp ord X, Y @@ -1723,15 +1724,16 @@ static Value *simplifyAndOrOfFCmps(FCmpInst *LHS, FCmpInst *RHS, bool IsAnd) { // (fcmp uno Y, X) | (fcmp uno NNAN, X) --> fcmp uno Y, X // (fcmp uno X, Y) | (fcmp uno X, NNAN) --> fcmp uno X, Y // (fcmp uno Y, X) | (fcmp uno X, NNAN) --> fcmp uno Y, X - if ((isKnownNeverNaN(RHS0) && (RHS1 == LHS0 || RHS1 == LHS1)) || - (isKnownNeverNaN(RHS1) && (RHS0 == LHS0 || RHS0 == LHS1))) + if ((isKnownNeverNaN(RHS0, TLI) && (RHS1 == LHS0 || RHS1 == LHS1)) || + (isKnownNeverNaN(RHS1, TLI) && (RHS0 == LHS0 || RHS0 == LHS1))) return LHS; } return nullptr; } -static Value *simplifyAndOrOfCmps(Value *Op0, Value *Op1, bool IsAnd) { +static Value *simplifyAndOrOfCmps(const TargetLibraryInfo *TLI, + Value *Op0, Value *Op1, bool IsAnd) { // Look through casts of the 'and' operands to find compares. auto *Cast0 = dyn_cast<CastInst>(Op0); auto *Cast1 = dyn_cast<CastInst>(Op1); @@ -1751,7 +1753,7 @@ static Value *simplifyAndOrOfCmps(Value *Op0, Value *Op1, bool IsAnd) { auto *FCmp0 = dyn_cast<FCmpInst>(Op0); auto *FCmp1 = dyn_cast<FCmpInst>(Op1); if (FCmp0 && FCmp1) - V = simplifyAndOrOfFCmps(FCmp0, FCmp1, IsAnd); + V = simplifyAndOrOfFCmps(TLI, FCmp0, FCmp1, IsAnd); if (!V) return nullptr; @@ -1831,7 +1833,7 @@ static Value *SimplifyAndInst(Value *Op0, Value *Op1, const SimplifyQuery &Q, return Op1; } - if (Value *V = simplifyAndOrOfCmps(Op0, Op1, true)) + if (Value *V = simplifyAndOrOfCmps(Q.TLI, Op0, Op1, true)) return V; // Try some generic simplifications for associative operations. @@ -1981,7 +1983,7 @@ static Value *SimplifyOrInst(Value *Op0, Value *Op1, const SimplifyQuery &Q, match(Op0, m_c_Xor(m_Not(m_Specific(A)), m_Specific(B))))) return Op0; - if (Value *V = simplifyAndOrOfCmps(Op0, Op1, false)) + if (Value *V = simplifyAndOrOfCmps(Q.TLI, Op0, Op1, false)) return V; // Try some generic simplifications for associative operations. |