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3 Commits

Author SHA1 Message Date
Michael Liao c9ae780b5b Rewrite X86 codegen regression test with FileCheck 
llvm-svn: 180776
 2013-04-30 07:51:08 +00:00
Dan Gohman 40503396da Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81290
 2009-09-08 23:54:48 +00:00
Evan Cheng 83bdb38965 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

llvm-svn: 60139
 2008-11-27 00:49:46 +00:00