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8 Commits

Author SHA1 Message Date
Dan Gohman
df2896d609 Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81290
 2009-09-08 23:54:48 +00:00
Evan Cheng
981276bb16 Changed my mind. We now allow remat of instructions whose defs have subreg indices. 
llvm-svn: 76100
 2009-07-16 20:15:00 +00:00
Evan Cheng
7a6b20df7f Let callers decide the sub-register index on the def operand of rematerialized instructions. 
Avoid remat'ing instructions whose def have sub-register indices for now. It's just really really hard to get all the cases right.

llvm-svn: 75900
 2009-07-16 09:20:10 +00:00
Dan Gohman
5f6f8101d5 Split the Add, Sub, and Mul instruction opcodes into separate 
integer and floating-point opcodes, introducing
FAdd, FSub, and FMul.

For now, the AsmParser, BitcodeReader, and IRBuilder all preserve
backwards compatability, and the Core LLVM APIs preserve backwards
compatibility for IR producers. Most front-ends won't need to change
immediately.

This implements the first step of the plan outlined here:
http://nondot.org/sabre/LLVMNotes/IntegerOverflow.txt

llvm-svn: 72897
 2009-06-04 22:49:04 +00:00
Evan Cheng
b40b710766 Re-apply 55467 with fix. If copy is being replaced by remat'ed def, transfer the implicit defs onto the remat'ed instruction. 
llvm-svn: 55564
 2008-08-30 09:09:33 +00:00
Dan Gohman
8f4d612996 Revert r55467; it causes regressions in UnitTests/Vector/divides, 
Benchmarks/sim/sim, and others on x86-64.

llvm-svn: 55475
 2008-08-28 17:22:54 +00:00
Evan Cheng
28b0b18082 If a copy isn't coalesced, but its src is defined by trivial computation. Re-materialize the src to replace the copy. 
llvm-svn: 55467
 2008-08-28 07:53:51 +00:00
Evan Cheng
2b9f879a99 Fix asm printing of MOVSDto64mr and MOV64toSDrm. 
llvm-svn: 55300
 2008-08-25 04:11:42 +00:00