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110 Commits

Author SHA1 Message Date
Dan Gohman 3e2225dfd6 Factor the code for determining the target-specific instruction 
namespace out of the isel emitters and into common code.

llvm-svn: 55079
 2008-08-20 21:45:57 +00:00
Dan Gohman 02c84b8910 Simplify FastISel's constructor argument list, make the FastISel 
class hold a MachineRegisterInfo member, and make the
MachineBasicBlock be passed in to SelectInstructions rather
than the FastISel constructor.

llvm-svn: 55076
 2008-08-20 21:05:57 +00:00
Dan Gohman 2dbebd7db5 For now, restrict FastISel to instructions that only involve one 
register class.

llvm-svn: 55008
 2008-08-19 20:58:14 +00:00
Dan Gohman 98e6f1c48a Factor out the code to scan an instruction's operands into a 
helper function.

llvm-svn: 55007
 2008-08-19 20:56:30 +00:00
Dan Gohman aa13b6f71b Add more comments. 
llvm-svn: 55004
 2008-08-19 20:36:33 +00:00
Dan Gohman 49520b99a3 Fix indentation in FastISel tablegen-emitted code. 
llvm-svn: 55003
 2008-08-19 20:31:38 +00:00
Dan Gohman a6c14d0ddb Add more checking to filter out more kinds of things that 
FastISel doesn't support yet.

llvm-svn: 55002
 2008-08-19 20:30:54 +00:00
Dan Gohman 6a36fe912c 80 columns. 
llvm-svn: 54998
 2008-08-19 18:07:49 +00:00
Dan Gohman dbd5328238 Add a few doxygen comments. 
llvm-svn: 54997
 2008-08-19 18:06:12 +00:00
Dan Gohman b2226e21c3 Initial checkin of the new "fast" instruction selection support. See 
the comments in FastISelEmitter.cpp for details on what this is.
This is currently experimental and unusable.

llvm-svn: 54751
 2008-08-13 20:19:35 +00:00