From 33bb3c8be355d179ece8e751f6e0f0978d0dd038 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Wed, 13 Sep 2006 19:23:57 +0000 Subject: [PATCH] Implement the first half of Transforms/Inline/inline_cleanup.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30303 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Utils/InlineFunction.cpp | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/lib/Transforms/Utils/InlineFunction.cpp b/lib/Transforms/Utils/InlineFunction.cpp index 7b97646c190..b61a85be9d9 100644 --- a/lib/Transforms/Utils/InlineFunction.cpp +++ b/lib/Transforms/Utils/InlineFunction.cpp @@ -245,7 +245,14 @@ bool llvm::InlineFunction(CallSite CS, CallGraph *CG) { BasicBlock::iterator InsertPoint = Caller->begin()->begin(); for (BasicBlock::iterator I = FirstNewBlock->begin(), E = FirstNewBlock->end(); I != E; ) - if (AllocaInst *AI = dyn_cast(I++)) + if (AllocaInst *AI = dyn_cast(I++)) { + // If the alloca is now dead, remove it. This often occurs due to code + // specialization. + if (AI->use_empty()) { + AI->eraseFromParent(); + continue; + } + if (isa(AI->getArraySize())) { // Scan for the block of allocas that we can move over, and move them // all at once. @@ -260,6 +267,7 @@ bool llvm::InlineFunction(CallSite CS, CallGraph *CG) { FirstNewBlock->getInstList(), AI, I); } + } } // If the inlined code contained dynamic alloca instructions, wrap the inlined