From 9a542a4d5f89919b2bc1aea8f76f50f65c6b77a7 Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Sat, 12 Jul 2008 00:10:52 +0000 Subject: Add a utility function to MachineInstr for testing whether an instruction has exactly one MachineMemOperand, and change some X86 lowering code to make use of it. llvm-svn: 53498 --- llvm/lib/Target/X86/X86InstrInfo.cpp | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) (limited to 'llvm/lib') diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp index 7822ed7cb38..2f191ffa4b1 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.cpp +++ b/llvm/lib/Target/X86/X86InstrInfo.cpp @@ -2030,14 +2030,10 @@ MachineInstr* X86InstrInfo::foldMemoryOperand(MachineFunction &MF, // Check switch flag if (NoFusing) return NULL; + // Determine the alignment of the load. unsigned Alignment = 0; - for (alist::iterator i = LoadMI->memoperands_begin(), - e = LoadMI->memoperands_end(); i != e; ++i) { - const MachineMemOperand &MRO = *i; - unsigned Align = MRO.getAlignment(); - if (Align > Alignment) - Alignment = Align; - } + if (LoadMI->hasOneMemOperand()) + Alignment = LoadMI->memoperands_begin()->getAlignment(); // FIXME: Move alignment requirement into tables? if (Alignment < 16) { -- cgit v1.2.3