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26 Commits

Author SHA1 Message Date
Dan Gohman
bf87e24917 Re-apply bottom-up fast-isel, with fixes. Be very careful to avoid emitting 
a DBG_VALUE after a terminator, or emitting any instructions before an EH_LABEL.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107943 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-09 00:39:23 +00:00
Dan Gohman
f595141525 Revert 107840 107839 107813 107804 107800 107797 107791. 
Debug info intrinsics win for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107850 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-08 01:00:56 +00:00
Dan Gohman
4df83ed159 Implement bottom-up fast-isel. This has the advantage of not requiring 
a separate DCE pass over MachineInstrs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107804 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-07 19:20:32 +00:00
Dan Gohman
5ce1bf9531 Merge a few fast-isel tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100860 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-09 15:03:55 +00:00
Duncan Sands
796248fdb1 Revert commit 93204, since it causes the assembler to barf 
on x86-64 linux with messages like this:
Error: Incorrect register `%r14' used with `l' suffix


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93242 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-12 17:46:16 +00:00
Evan Cheng
b85071c736 Add manual ISD::OR fastisel selection routines. TableGen is no longer autogen them after 93152 and 93191. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93204 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-11 22:59:27 +00:00
Evan Cheng
199c4240fe Extend r93152 to work on OR r, r. If the source set bits are known not to overlap, then select as an ADD instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93191 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-11 22:03:29 +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
Dan Gohman
7e7f06e70a X86FastISel support for loading and storing values of type i1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80186 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-27 00:31:47 +00:00
Dan Gohman
ae3a0be92e 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72897 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-04 22:49:04 +00:00
Dan Gohman
d00d2feab2 Add a few more ptrtoint/inttoptr cast tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66989 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-13 23:54:51 +00:00
Dan Gohman
474d3b3f40 Improve FastISel's handling of truncates to i1, and implement 
ptrtoint and inttoptr in X86FastISel. These casts aren't always
handled in the generic FastISel code because X86 sometimes needs
custom code to do truncation and zero-extension.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66988 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-13 23:53:06 +00:00
Evan Cheng
373d50af1d Load from GV stub should be locally CSE'd. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55763 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 06:18:33 +00:00
Evan Cheng
8b19e56051 Add X86 target hook to implement load (even from GlobalAddress). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55693 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 06:44:39 +00:00
Dale Johannesen
f2c785edf0 This test crashes on non-x86 host; make SSE explicit. 
Feel free to fix a better way!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55456 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 01:51:09 +00:00
Dan Gohman
10df0fa73e Basic FastISel support for floating-point constants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55401 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-27 01:09:54 +00:00
Owen Anderson
6d0c25ec3a Add support for fast isel of (integer) immediate materialization pattens, and use them to support 
bitcast of constants in fast isel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55325 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-25 20:20:32 +00:00
Dan Gohman
22bb31103d Factor out the predicate check code from DAGISelEmitter.cpp 
and use it in FastISelEmitter.cpp, and make FastISel
subtarget aware. Among other things, this lets it work
properly on x86 targets that don't have SSE, where it
successfully selects x87 instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55156 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-22 00:20:26 +00:00
Dan Gohman
c67670b1ae Add -mattr=sse2 so this test doesn't fail on non-x86 hosts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55145 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 22:34:25 +00:00
Dan Gohman
5cc101ec89 getelementptr doesn't work on x86-64 yet, because it 
has MOV64ri32 and no plain MOV64ri.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55126 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 17:28:42 +00:00
Dan Gohman
7a0e6593d0 MVT::getMVT uses iPTR for pointer types, while we need the actual 
intptr_t type in this case. FastISel can now select simple
getelementptr instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55125 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 17:25:26 +00:00
Dan Gohman
d5fe57d2f9 Basic fast-isel support for instructions with constant int operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55099 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 01:41:07 +00:00
Dan Gohman
5c6aea9714 Add a -march line for this test, and run it on x86-64 too for fun. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55030 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-20 00:56:07 +00:00
Dan Gohman
8014e86580 Add FastISel support for floating-point operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55021 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-20 00:23:20 +00:00
Dan Gohman
bdedd44773 Add FastISel support for several more binary operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55020 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-20 00:11:48 +00:00
Dan Gohman
d3aedf445c Fast-isel is now *minimally* functional. Add a testcase to 
demonstrate the extent of its capabilities. Note that it
only attempts to operate on one of the blocks in this
testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55016 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-19 22:37:59 +00:00