pull the predMap densemap out of the inner loop of performPRE, so
authorChris Lattner <sabre@nondot.org>
Mon, 1 Dec 2008 07:29:03 +0000 (07:29 +0000)
committerChris Lattner <sabre@nondot.org>
Mon, 1 Dec 2008 07:29:03 +0000 (07:29 +0000)
commit09713794c17061ae36cc696cfc928c5a0c2bdc75
treebb8390c016953d245612b998042d04f44fa3275f
parenta3522000ab9c821f48856d0c25ada8297c1c2914
pull the predMap densemap out of the inner loop of performPRE, so
that it isn't reallocated all the time.  This is a tiny speedup for
GVN: 3.90->3.88s

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60338 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/GVN.cpp