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1891 Commits

Author SHA1 Message Date
Evan Cheng
cd04708f59 Re-apply 55467 with fix. If copy is being replaced by remat'ed def, transfer the implicit defs onto the remat'ed instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55564 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 09:09:33 +00:00
Evan Cheng
eb9f89287e Transform (x << (y&31)) -> (x << y). This takes advantage of the fact x86 shift instructions 2nd operand (shift count) is limited to 0 to 31 (or 63 in the x86-64 case). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55558 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 02:03:58 +00:00
Dale Johannesen
c4db7276e0 Testcases for ppc atomics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55556 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 00:54:31 +00:00
Evan Cheng
456704476f Swap fp comparison operands and change predicate to allow load folding (safely this time). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55553 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 23:22:12 +00:00
Evan Cheng
50ead9099d xfail this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55550 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 22:59:13 +00:00
Chris Lattner
33e4e610b5 allow this to pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55540 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 17:18:26 +00:00
Evan Cheng
4d46d0af58 Swap fp comparison operands and change predicate to allow load folding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55521 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 23:48:31 +00:00
Mon P Wang
5ad0bf658a In lowering SELECT_CC, removed cases where we can't flip the true and false when the compare value has a NaN 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55499 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 21:04:05 +00:00
Dan Gohman
a3f8b7a4ce Optimize DAGCombiner's worklist processing. Previously it started 
its work by putting all nodes in the worklist, requiring a big
dynamic allocation. Now, DAGCombiner just iterates over the AllNodes
list and maintains a worklist for nodes that are newly created or
need to be revisited. This allows the worklist to stay small in most
cases, so it can be a SmallVector.

This has the side effect of making DAGCombine not miss a folding
opportunity in alloca-align-rounding.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55498 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 21:01:56 +00:00
Dan Gohman
f641395435 Revert r55467; it causes regressions in UnitTests/Vector/divides, 
Benchmarks/sim/sim, and others on x86-64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55475 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 17:22:54 +00:00
Evan Cheng
9242cb8b82 If a copy isn't coalesced, but its src is defined by trivial computation. Re-materialize the src to replace the copy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55467 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 07:53:51 +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
Chris Lattner
6ba50a9252 If an xmm register is referenced explicitly in an inline asm, make sure to 
assign it to a version of the xmm register with the regclass that matches its
type.  This fixes PR2715, a bug handling some crazy xpcom case in mozilla.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55358 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-26 06:19:02 +00:00
Evan Cheng
ab6c3bb44d Try approach to moving call address load inside of callseq_start. Now it's done during the preprocess of x86 isel. callseq_start's chain is changed to load's chain node; while load's chain is the last of callseq_start or the loads or copytoreg nodes inserted to move arguments to the right spot. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55338 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-25 21:27:18 +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
Dale Johannesen
8bb2ef4760 Adjust grep's for new code sequence. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55320 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-25 18:53:58 +00:00
Evan Cheng
e7321441ac Fix asm printing of MOVSDto64mr and MOV64toSDrm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55300 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-25 04:11:42 +00:00
Bill Wendling
3574c2d849 Fix this test. Don't null out the file, just XFAIL it until patch can be fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55296 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-24 21:48:46 +00:00
Bill Wendling
59b63e4a18 Temporarily reverting r55292. It's causing a bootstraping failure: 
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/xgcc ... src/libiberty/make-temp-file.c -o make-temp-file.o
Assertion failed: (Node2Index[SU->NodeNum] > Node2Index[I->Dep->NodeNum] && "Wrong topological sorting"), function InitDAGTopologicalSorting, file /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp, line 508.
../../../../llvm-gcc.src/libiberty/hashtab.c:955: internal compiler error: Abort trap
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter> for instructions.
make[4]: *** [hashtab.o] Error 1
make[4]: *** Waiting for unfinished jobs....
make[3]: *** [multi-do] Error 1
make[2]: *** [all] Error 2
make[1]: *** [all-target-libiberty] Error 2
make: *** [all] Error 2



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55295 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-24 21:45:30 +00:00
Evan Cheng
32c727cd95 Move callseq_start above the call address load to allow load to be folded into the call node. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55292 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-24 19:19:55 +00:00
Anton Korobeynikov
8ff7ce3dd2 Testcase for 64bit maskmovq 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55239 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-23 15:53:47 +00:00
Dale Johannesen
169b5ed46e Test all currently supported atomic builtins on x86-{32,64}. 
These just test that they go through the BE.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55208 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-22 22:39:21 +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
Bill Wendling
403483c200 Testcase for PR2585. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55151 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 23:04:49 +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
Dale Johannesen
e2122a5e2e Make x86 and sse2 explicit for non-x86 hosts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55141 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 21:26:06 +00:00
Evan Cheng
1887c1c2f9 Fix a number of byval / memcpy / memset related codegen issues. 
1. x86-64 byval alignment should be max of 8 and alignment of type. Previously the code was not doing what the commit message was saying.
2. Do not use byte repeat move and store operations. These are slow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55139 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-21 21:00:15 +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
Bill Wendling
108ecf3975 Add support for the __sync_sub_and_fetch atomics and friends for X86. The code 
was already present, but not hooked up to anything.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55018 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-19 23:09:18 +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
Dale Johannesen
140be2dfb7 Add support for 8 and 16 bit forms of __sync 
builtins on X86.

Change "lock" instructions to be on a separate line.
This is needed to work around a bug in the Darwin
assembler.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54999 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-19 18:47:28 +00:00
Evan Cheng
0ac3fc2a61 Fix a (u)comiss intrinsic lowering bug. It was using anyext which can return junk in higher bits. Patch by Nate Begeman. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54903 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-17 19:22:34 +00:00
Dan Gohman
7f8613e5b8 Improve support for vector casts in LLVM IR and CodeGen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54784 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-14 20:04:46 +00:00
Dan Gohman
6ab6422f25 Allow SelectionDAG to create EXTRACT_VECTOR_ELT nodes with 
non-constant indices. Only a few of the peephole checks require
a constant index.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54764 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-13 21:51:37 +00:00
Dan Gohman
00f19b6542 Improve the grep commands for this test to be tolerant of ABI 
differences, and to be more specific.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54648 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-11 20:10:41 +00:00
Dan Gohman
8cea8ff34c Take the FrameOffset into account when computing the alignment 
of stack objects. This fixes PR2656.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54646 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-11 18:27:03 +00:00
Dan Gohman
d9ced09299 Add an EXTRACTPSmr pattern to match the pattern that 
X86ISelLowering creates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54544 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 18:30:21 +00:00
Evan Cheng
711b6dce24 It's not legal to output a GV in a coalesced section if it's used in an ARM PIC relative constantpool. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54519 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 06:56:16 +00:00
Nick Lewycky
d6227385fc Don't crash printing the asm for a ConstantExpr PtrToInt just because the int 
is narrower than the pointer. This testcase emits:

  .byte (((17) - 16) & 255)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54517 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 06:34:07 +00:00
Bruno Cardoso Lopes
65ad452536 Support added for ctlz intrinsic, test case added. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54516 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 06:16:31 +00:00
Bruno Cardoso Lopes
ab243df91f [Last] Batch 7 of Mips CodeGen tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54512 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 04:12:42 +00:00
Bruno Cardoso Lopes
4230586091 Batch 6 of Mips CodeGen tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54511 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 04:11:30 +00:00
Bruno Cardoso Lopes
0b4e136c74 Batch 5 of Mips CodeGen tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54510 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 04:09:57 +00:00
Bruno Cardoso Lopes
29b4ff7c73 Batch 4 of Mips CodeGen tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54509 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 04:08:30 +00:00