From 4bc5e389600f8c6f03e7b37e105d8ea9a02cb583 Mon Sep 17 00:00:00 2001 From: Jakob Stoklund Olesen Date: Thu, 13 Jan 2011 21:28:52 +0000 Subject: Teach frame lowering to ignore debug values after the terminators. llvm-svn: 123399 --- llvm/lib/CodeGen/MachineBasicBlock.cpp | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'llvm/lib/CodeGen/MachineBasicBlock.cpp') diff --git a/llvm/lib/CodeGen/MachineBasicBlock.cpp b/llvm/lib/CodeGen/MachineBasicBlock.cpp index 813fad2..ad1ab28 100644 --- a/llvm/lib/CodeGen/MachineBasicBlock.cpp +++ b/llvm/lib/CodeGen/MachineBasicBlock.cpp @@ -162,6 +162,18 @@ MachineBasicBlock::iterator MachineBasicBlock::getFirstTerminator() { return I; } +MachineBasicBlock::iterator MachineBasicBlock::getLastNonDebugInstr() { + iterator B = begin(), I = end(); + while (I != B) { + --I; + if (I->isDebugValue()) + continue; + return I; + } + // The block is all debug values. + return end(); +} + void MachineBasicBlock::dump() const { print(dbgs()); } -- cgit v1.1