From 05cd52199d6638a3d754a9be11b685e46eead7c6 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Thu, 2 May 2002 17:38:55 +0000 Subject: [PATCH] ExprTypeConvert will already do this transformation, no need to specialize it here. llvm-svn: 2431 --- llvm/lib/Transforms/LevelRaise.cpp | 21 --------------------- 1 file changed, 21 deletions(-) diff --git a/llvm/lib/Transforms/LevelRaise.cpp b/llvm/lib/Transforms/LevelRaise.cpp index 2a6c6da20d56..cc684b5f150f 100644 --- a/llvm/lib/Transforms/LevelRaise.cpp +++ b/llvm/lib/Transforms/LevelRaise.cpp @@ -47,7 +47,6 @@ static inline bool isReinterpretingCast(const CastInst *CI) { } - // Peephole optimize the following instructions: // %t1 = cast ? to x * // %t2 = add x * %SP, %t1 ;; Constant must be 2nd operand @@ -191,26 +190,6 @@ static bool PeepholeOptimize(BasicBlock *BB, BasicBlock::iterator &BI) { return true; } - // Peephole optimize the following instructions: - // %tmp = cast %V to - // %V = cast %tmp to ; Where ty & ty2 are same size - // - // Into: cast %V to - // - if (SrcI) - if (CastInst *CSrc = dyn_cast(SrcI)) - if (isReinterpretingCast(CI) + isReinterpretingCast(CSrc) < 2) { - // We can only do c-c elimination if, at most, one cast does a - // reinterpretation of the input data. - // - // If legal, make this cast refer the the original casts argument! - // - PRINT_PEEPHOLE2("cast-cast:in ", CI, CSrc); - CI->setOperand(0, CSrc->getOperand(0)); - PRINT_PEEPHOLE1("cast-cast:out", CI); - return true; - } - // Check to see if it's a cast of an instruction that does not depend on the // specific type of the operands to do it's job. if (!isReinterpretingCast(CI)) {