Cache MBB->begin. It's possible the scheduler / bundler may change MBB->begin().
authorEvan Cheng <evan.cheng@apple.com>
Fri, 9 Mar 2012 00:24:29 +0000 (00:24 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Fri, 9 Mar 2012 00:24:29 +0000 (00:24 +0000)
commit9ad62b3c09e03368246753c1052674eaf9b0d161
tree4a7042e6c6858758f066ac290dae8bb8337ba014
parentcdaedf9f4acc60f8a7a1042af4be04291465e213
Cache MBB->begin. It's possible the scheduler / bundler may change MBB->begin().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152356 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/MachineScheduler.cpp