From fea0b8b66604439aebf7e2b0f850ef5b7b0a6ed9 Mon Sep 17 00:00:00 2001 From: Duncan Sands Date: Fri, 31 Dec 2010 16:17:54 +0000 Subject: Zap dead instructions harder. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122645 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Utils/SimplifyInstructions.cpp | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) (limited to 'lib/Transforms/Utils/SimplifyInstructions.cpp') diff --git a/lib/Transforms/Utils/SimplifyInstructions.cpp b/lib/Transforms/Utils/SimplifyInstructions.cpp index 4e0078425b..4205622037 100644 --- a/lib/Transforms/Utils/SimplifyInstructions.cpp +++ b/lib/Transforms/Utils/SimplifyInstructions.cpp @@ -83,13 +83,8 @@ namespace { // Finally, run over the function zapping any dead instructions. for (Function::iterator BB = F.begin(), E = F.end(); BB != E; ++BB) - for (BasicBlock::iterator BI = BB->begin(), BE = BB->end(); BI != BE;) { - Instruction *I = BI++; - if (isInstructionTriviallyDead(I)) { - I->eraseFromParent(); - Changed = true; - } - } + for (BasicBlock::iterator BI = BB->begin(), BE = BB->end(); BI != BE;) + Changed |= RecursivelyDeleteTriviallyDeadInstructions(BI++); return Changed; } -- cgit v1.2.3