From b42a9ffbe9f5dc7dc0e54c6425dff10e926e1f3d Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 30 Apr 2005 04:07:50 +0000 Subject: [PATCH] Lower llvm.sqrt -> fsqrt/sqrt git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21629 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/IntrinsicLowering.cpp | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/lib/CodeGen/IntrinsicLowering.cpp b/lib/CodeGen/IntrinsicLowering.cpp index db3c10e7ead..712ec0482c4 100644 --- a/lib/CodeGen/IntrinsicLowering.cpp +++ b/lib/CodeGen/IntrinsicLowering.cpp @@ -110,8 +110,13 @@ void DefaultIntrinsicLowering::AddPrototypes(Module &M) { case Intrinsic::isunordered: EnsureFunctionExists(M, "isunordered", I->arg_begin(), I->arg_end(), Type::BoolTy); break; + case Intrinsic::sqrt: + if(I->abegin()->getType() == Type::FloatTy) + EnsureFunctionExists(M, "sqrtf", I->arg_begin(), I->arg_end(), Type::FloatTy); + else + EnsureFunctionExists(M, "sqrt", I->arg_begin(), I->arg_end(), Type::DoubleTy); + break; } - } void DefaultIntrinsicLowering::LowerIntrinsicCall(CallInst *CI) { @@ -219,6 +224,17 @@ void DefaultIntrinsicLowering::LowerIntrinsicCall(CallInst *CI) { "isunordered", CI)); break; } + case Intrinsic::sqrt: { + static Function *sqrtFCache = 0; + static Function *sqrtfFCache = 0; + if(CI->getType() == Type::FloatTy) + ReplaceCallWith("sqrtf", CI, CI->op_begin()+1, CI->op_end(), + Type::FloatTy, sqrtfFCache); + else + ReplaceCallWith("sqrt", CI, CI->op_begin()+1, CI->op_end(), + Type::DoubleTy, sqrtFCache); + break; + } } assert(CI->use_empty() &&