Commit Graph

55444 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen
f8ad5bcdb5 Add test case for the phi reuse patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91642 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-18 00:11:44 +00:00
Dan Gohman
6bec5bb344 Reapply LoopStrengthReduce and IVUsers cleanups, excluding the part
of 91296 that caused trouble -- the Processed list needs to be
preserved for the livetime of the pass, as AddUsersIfInteresting
is called from other passes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91641 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-18 00:06:20 +00:00
Dan Gohman
79a8f3c3c7 Add an svn:ignore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91639 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-18 00:03:58 +00:00
Sean Callanan
108934c65d Instruction fixes, added instructions, and AsmString changes in the
X86 instruction tables.

Also (while I was at it) cleaned up the X86 tables, removing tabs and
80-line violations.

This patch was reviewed by Chris Lattner, but please let me know if
there are any problems.

* X86*.td
	Removed tabs and fixed 80-line violations

* X86Instr64bit.td
	(IRET, POPCNT, BT_, LSL, SWPGS, PUSH_S, POP_S, L_S, SMSW)
		Added
	(CALL, CMOV) Added qualifiers
	(JMP) Added PC-relative jump instruction
	(POPFQ/PUSHFQ) Added qualifiers; renamed PUSHFQ to indicate
		that it is 64-bit only (ambiguous since it has no
		REX prefix)
	(MOV) Added rr form going the other way, which is encoded
		differently
	(MOV) Changed immediates to offsets, which is more correct;
		also fixed MOV64o64a to have to a 64-bit offset
	(MOV) Fixed qualifiers
	(MOV) Added debug-register and condition-register moves
	(MOVZX) Added more forms
	(ADC, SUB, SBB, AND, OR, XOR) Added reverse forms, which
		(as with MOV) are encoded differently
	(ROL) Made REX.W required
	(BT) Uncommented mr form for disassembly only
	(CVT__2__) Added several missing non-intrinsic forms
	(LXADD, XCHG) Reordered operands to make more sense for
		MRMSrcMem
	(XCHG) Added register-to-register forms
	(XADD, CMPXCHG, XCHG) Added non-locked forms
* X86InstrSSE.td
	(CVTSS2SI, COMISS, CVTTPS2DQ, CVTPS2PD, CVTPD2PS, MOVQ)
		Added
* X86InstrFPStack.td
	(COM_FST0, COMP_FST0, COM_FI, COM_FIP, FFREE, FNCLEX, FNOP,
	 FXAM, FLDL2T, FLDL2E, FLDPI, FLDLG2, FLDLN2, F2XM1, FYL2X,
	 FPTAN, FPATAN, FXTRACT, FPREM1, FDECSTP, FINCSTP, FPREM,
	 FYL2XP1, FSINCOS, FRNDINT, FSCALE, FCOMPP, FXSAVE,
	 FXRSTOR)
		Added
	(FCOM, FCOMP) Added qualifiers
	(FSTENV, FSAVE, FSTSW) Fixed opcode names
	(FNSTSW) Added implicit register operand
* X86InstrInfo.td
	(opaque512mem) Added for FXSAVE/FXRSTOR
	(offset8, offset16, offset32, offset64) Added for MOV
	(NOOPW, IRET, POPCNT, IN, BTC, BTR, BTS, LSL, INVLPG, STR,
	 LTR, PUSHFS, PUSHGS, POPFS, POPGS, LDS, LSS, LES, LFS,
	 LGS, VERR, VERW, SGDT, SIDT, SLDT, LGDT, LIDT, LLDT,
	 LODSD, OUTSB, OUTSW, OUTSD, HLT, RSM, FNINIT, CLC, STC,
	 CLI, STI, CLD, STD, CMC, CLTS, XLAT, WRMSR, RDMSR, RDPMC,
	 SMSW, LMSW, CPUID, INVD, WBINVD, INVEPT, INVVPID, VMCALL,
	 VMCLEAR, VMLAUNCH, VMRESUME, VMPTRLD, VMPTRST, VMREAD,
	 VMWRITE, VMXOFF, VMXON) Added
	(NOOPL, POPF, POPFD, PUSHF, PUSHFD) Added qualifier
	(JO, JNO, JB, JAE, JE, JNE, JBE, JA, JS, JNS, JP, JNP, JL,
	 JGE, JLE, JG, JCXZ) Added 32-bit forms
	(MOV) Changed some immediate forms to offset forms
	(MOV) Added reversed reg-reg forms, which are encoded
		differently
	(MOV) Added debug-register and condition-register moves
	(CMOV) Added qualifiers
	(AND, OR, XOR, ADC, SUB, SBB) Added reverse forms, like MOV
	(BT) Uncommented memory-register forms for disassembler
	(MOVSX, MOVZX) Added forms
	(XCHG, LXADD) Made operand order make sense for MRMSrcMem
	(XCHG) Added register-register forms
	(XADD, CMPXCHG) Added unlocked forms
* X86InstrMMX.td
	(MMX_MOVD, MMV_MOVQ) Added forms
* X86InstrInfo.cpp: Changed PUSHFQ to PUSHFQ64 to reflect table
	change

* X86RegisterInfo.td: Added debug and condition register sets
* x86-64-pic-3.ll: Fixed testcase to reflect call qualifier
* peep-test-3.ll: Fixed testcase to reflect test qualifier
* cmov.ll: Fixed testcase to reflect cmov qualifier
* loop-blocks.ll: Fixed testcase to reflect call qualifier
* x86-64-pic-11.ll: Fixed testcase to reflect call qualifier
* 2009-11-04-SubregCoalescingBug.ll: Fixed testcase to reflect call
  qualifier
* x86-64-pic-2.ll: Fixed testcase to reflect call qualifier
* live-out-reg-info.ll: Fixed testcase to reflect test qualifier
* tail-opts.ll: Fixed testcase to reflect call qualifiers
* x86-64-pic-10.ll: Fixed testcase to reflect call qualifier
* bss-pagealigned.ll: Fixed testcase to reflect call qualifier
* x86-64-pic-1.ll: Fixed testcase to reflect call qualifier
* widen_load-1.ll: Fixed testcase to reflect call qualifier


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91638 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-18 00:01:26 +00:00
John McCall
a692313103 Sundry dependent-name fixes flagged by clang++.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91636 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 23:49:16 +00:00
Bill Wendling
6532ff889c Revert accidental commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91635 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 23:45:18 +00:00
Bill Wendling
3de8249078 Turn off critical edge splitting for landing pads. The introduction of a
non-landing pad basic block as the successor to a block that ends in an
unconditional jump will cause block folding to remove the added block as a
successor. Thus eventually removing it AND the landing pad entirely. Critical
edge splitting is an optimization, so we can safely turn it off when dealing
with landing pads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91634 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 23:42:32 +00:00
Jeffrey Yasskin
08ce53996e Revert r91623 to unbreak the buildbots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91632 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 22:44:34 +00:00
Eli Friedman
b17cb06c35 Allow instcombine to combine "sext(a) >u const" to "a >u trunc(const)".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91631 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 22:42:29 +00:00
Jeffrey Yasskin
aad0d52c5b Don't codegen available_externally functions. Fixes http://llvm.org/PR5735.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91626 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 21:35:29 +00:00
Eli Friedman
8e4b197e0b Make the ptrtoint comparison simplification work if one side is a global.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91624 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 21:27:47 +00:00
Evan Cheng
73ebbd8aac Remove an unused option.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91623 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 21:23:58 +00:00
Chris Lattner
b63bb1615b tabs -> spaces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91622 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 21:23:46 +00:00
Eli Friedman
0c826d98b3 Slightly generalize transformation of memmove(a,a,n) so that it also applies
to memcpy. (Such a memcpy is technically illegal, but in practice is safe
and is generated by struct self-assignment in C code.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91621 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 21:07:31 +00:00
Jeffrey Yasskin
88cd3582b6 Make Path use StringRef instead of std::string where possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91620 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 21:02:39 +00:00
Bill Wendling
aeb79aea8f Temporarily revert 91337. It's causing testcase failures.
$ svn merge -c -91337 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91337 into '.':
U    lib/CodeGen/AsmPrinter/DwarfException.cpp



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91618 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 20:41:01 +00:00
Steve Naroff
b2273d50bc Fix Windows build breakage...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91617 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 20:39:34 +00:00
Ken Dyck
bceddbdc91 Introduce EVT::getHalfSizedIntegerVT() for use in ExpandUnalignedStore() in
LegalizeDAG.cpp. Unlike the code it replaces, which simply decrements the simple
type by one, getHalfSizedIntegerVT() searches for the smallest simple integer
type that is at least half the size of the type it is called on. This approach
has the advantage that it will continue working if a new value type (such as
i24) is added to MVT.

Also, in preparation for new value types, remove the assertions that
non-power-of-2 8-bit-mutiple types are Extended when legalizing extload and
truncstore operations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91614 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 20:09:43 +00:00
Chris Lattner
551dec592f finish cleaning up StructLayoutMap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91612 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 20:00:21 +00:00
Jeffrey Yasskin
ad715f86c9 This fixes a memory leak in OpaqueType found by Google's internal heapchecker.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91611 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 19:55:06 +00:00
Eric Christopher
af15ffb912 Fix unused variable warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91609 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 19:07:19 +00:00
Bob Wilson
39c88a641b Re-revert 91459. It's breaking the x86_64 darwin bootstrap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91607 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 18:34:24 +00:00
Evan Cheng
2013e2c6bd Remove debugging code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91604 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 18:03:12 +00:00
Jim Grosbach
18df1d4eb4 Add more detail for getting started on Windows.
Patch from jon.forums at gmail.com



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91603 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 17:18:11 +00:00
Ken Dyck
70d0ef1459 In LowerEXTRACT_VECTOR_ELT, force an i32 value type for PEXTWR instead of
incrementing the simple value type of the 16-bit type, which would give the
wrong type if an intemediate MVT (such as i24) were introduced.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91602 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 15:31:52 +00:00
Evan Cheng
04149f7ffd Revert 91280-91283, 91286-91289, 91291, 91293, 91295-91296. It apparently introduced a non-deterministic behavior in the optimizer somewhere.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91598 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 09:39:49 +00:00
Mikhail Glushenkov
90b5d04772 Regenerate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91595 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 07:49:26 +00:00
Mikhail Glushenkov
994dbe0073 Add a 'set_option' action for use in OptionPreprocessor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91594 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 07:49:16 +00:00
Mikhail Glushenkov
24723288a2 Refactoring, no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91593 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 07:48:49 +00:00
Mikhail Glushenkov
2d366a21a1 s/TokenizeCmdline/TokenizeCmdLine/
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91592 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 07:48:34 +00:00
Chandler Carruth
b5d3daba91 Update CMake build to include HexDisassembler.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91589 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 06:35:17 +00:00
Eli Friedman
e8e17833be Aggressively flip compare constant expressions where appropriate; constant
folding in particular expects null to be on the RHS.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91587 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 06:07:04 +00:00
Bob Wilson
266d945fff Fix a comment grammaro.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91584 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 05:07:36 +00:00
Bob Wilson
b24890b520 BIT_CONVERT nodes are used for vector types, too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91582 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 05:05:36 +00:00
Sean Callanan
ba847da571 Test harness for the LLVM disassembler. When invoked
with -disassemble, llvm-mc now accepts lines of the
form
0x00 0x00
and passes the resulting bytes to the disassembler for
the chosen (or default) target, printing the result.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91579 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 01:49:59 +00:00
Evan Cheng
4c2b001f13 Revert this dag combine change:
Fold (zext (and x, cst)) -> (and (zext x), cst)

DAG combiner likes to optimize expression in the other way so this would end up cause an infinite looping.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91574 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17 00:40:05 +00:00
Johnny Chen
caedfbc6ae Renamed "tCMNZ" to "tCMNz" to be consistent with other similar namings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91571 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 23:36:52 +00:00
John McCall
6eeccd4aa4 Silence a clang warning about the deprecated (but perfectly reasonable in
context) increment-of-bool idiom.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91564 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 20:31:50 +00:00
Daniel Dunbar
819309efec Reapply r91392, it was only unmasking the bug, and since TOT is still broken having it reverted does no good.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91560 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 20:10:05 +00:00
Daniel Dunbar
2674089cef Reapply r91459, it was only unmasking the bug, and since TOT is still broken having it reverted does no good.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91559 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 20:09:53 +00:00
Jim Grosbach
587b072f23 Mark STREX* as earlyclobber for the success result register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91555 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 19:44:06 +00:00
Jim Grosbach
06801722a4 Add @earlyclobber TableGen constraint
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91554 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 19:43:02 +00:00
Bill Wendling
0a0124e4f6 Remove superfluous 'extern' variable that was causing a warning with clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91552 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 19:36:42 +00:00
Jakob Stoklund Olesen
74215fc29f Reuse lowered phi nodes.
Tail duplication produces lots of identical phi nodes in different basic
blocks. Teach PHIElimination to reuse the join registers when lowering a phi
node that is identical to an already lowered node. This saves virtual
registers, and more importantly it avoids creating copies the the coalescer
doesn't know how to eliminate.

Teach LiveIntervalAnalysis about the phi joins with multiple uses.

This patch significantly reduces code size produced by -pre-regalloc-taildup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91549 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 18:55:53 +00:00
Daniel Dunbar
4eeeb4767c Fix one more missing this-> to placate that picky clang++.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91536 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 11:38:03 +00:00
Daniel Dunbar
fca55c8ac7 Revert "Reapply 91184 with fixes and an addition to the testcase to cover the
problem", this broke llvm-gcc bootstrap for release builds on
x86_64-apple-darwin10.

This reverts commit db22309800b224a9f5f51baf76071d7a93ce59c9.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91534 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 10:56:17 +00:00
Daniel Dunbar
222518d0bb Revert "Initial work on disabling the scheduler. This is a work in progress, and
this", this broke llvm-gcc bootstrap for release builds on
x86_64-apple-darwin10.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91533 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 10:56:02 +00:00
Chris Lattner
24604110ef reapply my strstr optimization. I have reproduced the x86-64 bootstrap
miscompile (i386.o miscompares) but it happens both with and without
this patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91532 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 09:32:05 +00:00
Chris Lattner
acf8723b8e fix more missing this->'s to placate clang++
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91531 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 09:17:12 +00:00
Chris Lattner
2e376a87de Fix a missing this-> that clang++ notices.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91530 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-16 09:09:54 +00:00