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3 Commits

Author SHA1 Message Date
Hal Finkel
2d37f7b979 Enable unaligned memory access on PPC for scalar types 
Unaligned access is supported on PPC for non-vector types, and is generally
more efficient than manually expanding the loads and stores.

A few of the existing test cases were using expanded unaligned loads and stores
to test other features (like load/store with update), and for these test cases,
unaligned access remains disabled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177160 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-15 15:27:13 +00:00
Nadav Rotem
3e883734fa During the CodeGenPrepare we often lower intrinsics (such as objsize) 
and allow some optimizations to turn conditional branches into unconditional.
This commit adds a simple control-flow optimization which merges two consecutive
basic blocks which are connected by a single edge. This allows the codegen to
operate on larger basic blocks.

rdar://11973998



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161852 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-14 05:19:07 +00:00
Hal Finkel
0fcdd8b2cc Add support for generating reg+reg (indexed) pre-inc loads on PPC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158823 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-20 15:43:03 +00:00