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3 Commits

Author SHA1 Message Date
Michael Liao
8838410a75 Rewrite X86 codegen regression test with FileCheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180776 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-30 07:51:08 +00:00
Dan Gohman
36a0947820 Eliminate more uses of llvm-as and llvm-dis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81290 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-08 23:54:48 +00:00
Evan Cheng
884c70c912 On x86 favors folding short immediate into some arithmetic operations (e.g. add, and, xor, etc.) because materializing an immediate in a register is expensive in turns of code size. 
e.g.
movl 4(%esp), %eax
addl $4, %eax

is 2 bytes shorter than

movl $4, %eax
addl 4(%esp), %eax


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60139 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-27 00:49:46 +00:00