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(parent: 23baa1b) | patch
Handle constant addresses more efficiently, folding the low bits into the
authorChris Lattner <sabre@nondot.org>
Mon, 20 Mar 2006 22:38:22 +0000 (22:38 +0000)
committerChris Lattner <sabre@nondot.org>
Mon, 20 Mar 2006 22:38:22 +0000 (22:38 +0000)
commitd97964457e972cc0c0ae0e293f975112c3d65c46
tree1d7b0dab1721bd198bd93c7d3234eb081fa8868btree | snapshot
parent23baa1b3106993bc9e8a5807d8b1f9e486bdf845commit | diff
Handle constant addresses more efficiently, folding the low bits into the
disp field of the load/store if possible.  This compiles
CodeGen/PowerPC/load-constant-addr.ll to:

_test:
        lis r2, 2838
        lfs f1, 26848(r2)
        blr

instead of:

_test:
        lis r2, 2838
        ori r2, r2, 26848
        lfs f1, 0(r2)
        blr

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26908 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/PowerPC/PPCISelDAGToDAG.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors