From 8bb9a4f28f62502b7d7a9a1b4e553406fcbac87d Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Wed, 9 Apr 2008 17:17:35 +0000 Subject: [PATCH] use the new ConstantFP::get method to make this work with long double and simplify the code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49435 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/IPO/SimplifyLibCalls.cpp | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-) diff --git a/lib/Transforms/IPO/SimplifyLibCalls.cpp b/lib/Transforms/IPO/SimplifyLibCalls.cpp index 24c56abde97..ce536a8a530 100644 --- a/lib/Transforms/IPO/SimplifyLibCalls.cpp +++ b/lib/Transforms/IPO/SimplifyLibCalls.cpp @@ -1149,10 +1149,6 @@ public: /// @brief Perform the pow optimization. virtual bool OptimizeCall(CallInst *CI, SimplifyLibCalls &SLC) { - const Type *Ty = CI->getType(); - if (Ty != Type::FloatTy && Ty != Type::DoubleTy) - return false; // FIXME long double not yet supported - Value *Op1 = CI->getOperand(1); Value *Op2 = CI->getOperand(2); if (ConstantFP *Op1C = dyn_cast(Op1)) { @@ -1165,8 +1161,7 @@ public: if (Op2C->getValueAPF().isZero()) { // pow(x, 0.0) -> 1.0 - return ReplaceCallWith(CI, ConstantFP::get(Ty, - Ty==Type::FloatTy ? APFloat(1.0f) : APFloat(1.0))); + return ReplaceCallWith(CI, ConstantFP::get(CI->getType(), 1.0)); } else if (Op2C->isExactlyValue(0.5)) { // pow(x, 0.5) -> sqrt(x) Value *Sqrt = CallInst::Create(SLC.get_sqrt(), Op1, "sqrt", CI); @@ -1180,11 +1175,9 @@ public: return ReplaceCallWith(CI, Sq); } else if (Op2C->isExactlyValue(-1.0)) { // pow(x, -1.0) -> 1.0/x - Value *div_inst = - BinaryOperator::createFDiv(ConstantFP::get(Ty, - Ty==Type::FloatTy ? APFloat(1.0f) : APFloat(1.0)), - Op1, CI->getName()+".pow", CI); - return ReplaceCallWith(CI, div_inst); + Value *R = BinaryOperator::createFDiv(ConstantFP::get(CI->getType(), 1.0), + Op1, CI->getName()+".pow", CI); + return ReplaceCallWith(CI, R); } return false; // opt failed } -- 2.34.1