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14e545d18e
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7565 Commits

Author SHA1 Message Date
Dale Johannesen
14e545d18e Fix PR 4626, a crash in branch folding after OptimizeBlock 
produced a CFG it wasn't prepared for.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78351 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 22:56:40 +00:00
Bob Wilson
b36ec86c01 Implement Neon VST[234] operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78330 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 18:47:44 +00:00
Bob Wilson
004f7c7049 Fix incorrect intrinsic declarations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78329 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 18:46:26 +00:00
Dale Johannesen
27698ebdf8 Testcase for llvm-gcc 78324 (although in normal 
testing mode it won't test much).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78325 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 17:28:23 +00:00
Dan Gohman
8e1593ec36 Tidy up this testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78322 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 17:11:55 +00:00
Chris Lattner
fc60eb4033 reduce testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78315 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 16:14:33 +00:00
Dan Gohman
e483feded9 Remove an over-aggressive assert. Functions with empty struct return 
types don't have any return values, from CodeGen's perspective.
This fixes PR4688.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78311 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 15:07:58 +00:00
Anton Korobeynikov
04d1f2e79c Add tests for X86-64 code model handling. Small and kernel for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78300 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 12:25:20 +00:00
Dan Gohman
aae317ac32 Fix a bug in x86's PreprocessForRMW logic that was exposed 
by aggressive chain operand optimization. UpdateNodeOperands
does not modify the node in place if it would result in
a node identical to an existing node.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78297 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 09:22:57 +00:00
Dan Gohman
5cbd37e505 Fix a few places in DAGCombiner that were creating all-ones-bits 
and high-bits values in ways that weren't correct for integer
types wider than 64 bits. This fixes a miscompile in
PPMacroExpansion.cpp in clang on x86-64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78295 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 09:18:59 +00:00
Chris Lattner
a03a60b717 add a testcase for my llvm-gcc hack. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78289 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 06:18:52 +00:00
Chris Lattner
067fd3275e this passes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78281 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 03:55:49 +00:00
Sanjiv Gupta
e90acceb50 XFAIL it while it is being worked on. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78275 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 02:19:20 +00:00
Bob Wilson
9b600c60af Add tests for new NEON vld instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78264 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-06 00:38:31 +00:00
Bob Wilson
3765d0f1a7 Convert more Neon tests to FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78261 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 23:51:20 +00:00
Dale Johannesen
44af10943c Adjust test for llvm-gcc checkin 78249. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78251 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 22:18:47 +00:00
Dale Johannesen
f49a23d7a7 Test for llvm-gcc checkin 78223. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78229 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 19:10:41 +00:00
Anton Korobeynikov
567d14f07c Missed pieces for ARM HardFP ABI. 
Patch by Sandeep Patel!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78225 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 19:04:42 +00:00
Dan Gohman
74f6f9a931 Enable the new no-SP register classes by default. This is to address 
PR4572. A few tests have some minor code regressions due to different
coalescing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78217 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 17:40:24 +00:00
Anton Korobeynikov
f4ef8c9045 Add testcases for reg-mem arithemtics added recently 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78214 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 17:04:32 +00:00
Anton Korobeynikov
9e155d61da Convert bswap test to filecheck, add more test entries & convert stuff to filecheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78212 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 16:50:53 +00:00
Dan Gohman
22f7d57dde Fix a bug in the PIC16 backend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78211 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 16:46:43 +00:00
Dan Gohman
c61954b57c Change these tests to use function attributes rather than special llc 
command-line options.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78204 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 16:37:27 +00:00
Chris Lattner
299a8141e3 checking in broken testcases is not such a good idea. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78201 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 16:04:18 +00:00
Sanjiv Gupta
96a0a02119 Quite a few tests crashed in llc after 78142. This is just one of them. I hope to add a few more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78198 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 15:52:14 +00:00
Evan Cheng
6248fa4529 Disable stack coloring with register for now. It's not able to set kill markers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78179 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 07:26:17 +00:00
Evan Cheng
9cd1632814 Another nasty coalescer bug (is there another kind): 
After coalescing reg1027's def and kill are both at the same point:
 %reg1027,0.000000e+00 = [56,814:0)  0@70-(814)

bb5:
60   %reg1027<def> = t2MOVr %reg1027, 14, %reg0, %reg0
68   %reg1027<def> = t2LDRi12 %reg1027<kill>, 8, 14, %reg0
76   t2CMPzri %reg1038<kill,undef>, 0, 14, %reg0, %CPSR<imp-def>
84   %reg1027<def> = t2MOVr %reg1027, 14, %reg0, %reg0
96   t2Bcc mbb<bb5,0x2030910>, 1, %CPSR<kill>

Do not remove the kill marker on t2LDRi12.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78178 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 07:05:41 +00:00
Dan Gohman
40a0b2c305 Revert changes accidentally committed along with r78163. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78165 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 05:38:13 +00:00
Dan Gohman
c3c9c486e4 Teach X86FastISel how to handle CCValAssign::BCvt, which is used for 
MMX arguments. This fixes PR4684.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78163 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 05:33:42 +00:00
Andreas Bolka
831f6f6d2a ZIV tester for LDA. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78157 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 04:26:05 +00:00
Andreas Bolka
7cf85030f4 Fix LDA testcases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78153 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 04:03:29 +00:00
Evan Cheng
6ade93bbdc Turn some insert_subreg, extract_subreg, subreg_to_reg into implicit_defs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78151 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 03:53:14 +00:00
Evan Cheng
b018a1e5a7 One more. Transfer kill of the larger register when lowering an EXTRACT_SUBREG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78145 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 02:25:11 +00:00
Evan Cheng
a72dfb522d One more place where subreg lowering forgot to transfer undefness. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78144 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 01:57:22 +00:00
Dan Gohman
98ca4f2a32 Major calling convention code refactoring. 
Instead of awkwardly encoding calling-convention information with ISD::CALL,
ISD::FORMAL_ARGUMENTS, ISD::RET, and ISD::ARG_FLAGS nodes, TargetLowering
provides three virtual functions for targets to override:
LowerFormalArguments, LowerCall, and LowerRet, which replace the custom
lowering done on the special nodes. They provide the same information, but
in a more immediately usable format.

This also reworks much of the target-independent tail call logic. The
decision of whether or not to perform a tail call is now cleanly split
between target-independent portions, and the target dependent portion
in IsEligibleForTailCallOptimization.

This also synchronizes all in-tree targets, to help enable future
refactoring and feature work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78142 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 01:29:28 +00:00
Evan Cheng
518ad1a880 If the insert_subreg source is <undef>, insert an implicit_def instead of a copy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78141 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 01:29:24 +00:00
Evan Cheng
35d6c41fde Fix part 1 of pr4682. PICADD is a 16-bit instruction even in thumb2 mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78126 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 23:47:55 +00:00
Evan Cheng
57035994f7 Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78113 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 22:22:58 +00:00
Bob Wilson
42cdcb9a86 Convert more Neon tests to use FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78111 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 22:01:41 +00:00
Bob Wilson
ad5312ad70 Convert a few Neon tests to use FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78108 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 21:33:22 +00:00
Jakob Stoklund Olesen
323e7d32ab Clean up the handling of two-address operands in RegScavenger. 
This fixes PR4528.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78107 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 21:30:30 +00:00
Evan Cheng
9e7a312391 Enable load / store multiple pass for Thumb2. It's not using ldrd / strd yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78104 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 21:12:13 +00:00
David Goodwin
53e4471adc Add NEON single-precision FP support for fabs and fneg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78101 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 20:39:05 +00:00
Jakob Stoklund Olesen
ded2e3b0d0 LowerSubregsInstructionPass::LowerExtract should not extend the live range of registers. 
When LowerExtract eliminates an EXTRACT_SUBREG with a kill flag, it moves the
kill flag to the place where the sub-register is killed. This can accidentally
overlap with the use of a sibling sub-register, and we have trouble.

In the test case we have this code:

Live Ins: %R0 %R1 %R2
	%R2L<def> = EXTRACT_SUBREG %R2<kill>, 1
	%R2H<def> = LOAD16fi <fi#-1>, 0, Mem:LD(2,4) [FixedStack-1 + 0]
	%R1L<def> = EXTRACT_SUBREG %R1<kill>, 1
	%R0L<def> = EXTRACT_SUBREG %R0<kill>, 1
	%R0H<def> = ADD16 %R2H<kill>, %R2L<kill>, %AZ<imp-def>, %AN<imp-def>, %AC0<imp-def>, %V<imp-def>, %VS<imp-def>

subreg: CONVERTING: %R2L<def> = EXTRACT_SUBREG %R2<kill>, 1
subreg: eliminated!
subreg: killed here: %R0H<def> = ADD16 %R2H, %R2L, %R2<imp-use,kill>, %AZ<imp-def>, %AN<imp-def>, %AC0<imp-def>, %V<imp-def>, %VS<imp-def>

The kill flag on %R2 is moved to the last instruction, and the live range overlaps with the definition of %R2H:

*** Bad machine code: Redefining a live physical register ***
- function:    f
- basic block:  0x18358c0 (#0)
- instruction: %R2H<def> = LOAD16fi <fi#-1>, 0, Mem:LD(2,4) [FixedStack-1 + 0]
Register R2H was defined but already live.

The fix is to replace EXTRACT_SUBREG with IMPLICIT_DEF instead of eliminating
it completely:

subreg: CONVERTING: %R2L<def> = EXTRACT_SUBREG %R2<kill>, 1
subreg: replace by: %R2L<def> = IMPLICIT_DEF %R2<kill>

Note that these IMPLICIT_DEF instructions survive to the asm output. It is
necessary to fix the stack-color-with-reg test case because of that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78093 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 20:01:11 +00:00
Evan Cheng
3425df44b5 In thumb mode, r7 is used as frame register. This fixes pr4681. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78086 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 18:46:17 +00:00
David Goodwin
b84f3d427c Match common pattern for FNMAC. Add NEON SP support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78085 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 18:44:29 +00:00
David Goodwin
831b500ec1 Improve tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78083 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 18:11:59 +00:00
David Goodwin
42a83f2d15 Initial support for single-precision FP using NEON. Added "neonfp" attribute to enable. Added patterns for some binary FP operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78081 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 17:53:06 +00:00
Evan Cheng
7d35249e89 Fix PR4528. This scavenger assertion is too strict. The two-address value is 
killed by another operand.

There is probably a better fix. Either 1) scavenger can look at other operands, or
2) livevariables can be smarter about kill markers. Patches welcome.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78072 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 16:52:44 +00:00
Chris Lattner
ec409759e9 enhance codegen to put 16-bit character strings into the 
__TEXT,__ustring section on darwin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78068 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 16:27:13 +00:00