diff options
| author | Meador Inge <meadori@codesourcery.com> | 2012-11-26 03:10:07 +0000 |
|---|---|---|
| committer | Meador Inge <meadori@codesourcery.com> | 2012-11-26 03:10:07 +0000 |
| commit | 017bb750ab99b2ca54771fc86a6b2fed4ad90eec (patch) | |
| tree | 9d2d0e7563f4df87ed93464587b56f09313c9726 /lib/Transforms/Scalar/SimplifyLibCalls.cpp | |
| parent | a0798ec3774de21f3ae3a7eba237e274e4c05ac3 (diff) | |
instcombine: Migrate isascii optimizations
This patch migrates the isascii optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168579 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/SimplifyLibCalls.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/SimplifyLibCalls.cpp | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/lib/Transforms/Scalar/SimplifyLibCalls.cpp index 8ae00d8b3a..64384debf6 100644 --- a/lib/Transforms/Scalar/SimplifyLibCalls.cpp +++ b/lib/Transforms/Scalar/SimplifyLibCalls.cpp @@ -100,24 +100,6 @@ namespace { //===----------------------------------------------------------------------===// //===---------------------------------------===// -// 'isascii' Optimizations - -struct IsAsciiOpt : public LibCallOptimization { - virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) { - FunctionType *FT = Callee->getFunctionType(); - // We require integer(i32) - if (FT->getNumParams() != 1 || !FT->getReturnType()->isIntegerTy() || - !FT->getParamType(0)->isIntegerTy(32)) - return 0; - - // isascii(c) -> c <u 128 - Value *Op = CI->getArgOperand(0); - Op = B.CreateICmpULT(Op, B.getInt32(128), "isascii"); - return B.CreateZExt(Op, CI->getType()); - } -}; - -//===---------------------------------------===// // 'toascii' Optimizations struct ToAsciiOpt : public LibCallOptimization { @@ -502,7 +484,6 @@ namespace { StringMap<LibCallOptimization*> Optimizations; // Integer Optimizations - IsAsciiOpt IsAscii; ToAsciiOpt ToAscii; // Formatting and IO Optimizations SPrintFOpt SPrintF; PrintFOpt PrintF; @@ -563,7 +544,6 @@ void SimplifyLibCalls::AddOpt(LibFunc::Func F1, LibFunc::Func F2, /// we know. void SimplifyLibCalls::InitOptimizations() { // Integer Optimizations - Optimizations["isascii"] = &IsAscii; Optimizations["toascii"] = &ToAscii; // Formatting and IO Optimizations |