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51ddfce77e
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3635 Commits

Author SHA1 Message Date
Bill Wendling
51ddfce77e Reverting r55898 as well. This wasn't reverted in the original revert... 
llvm-svn: 55938
 2008-09-08 19:42:32 +00:00
Bill Wendling
4cc4caab72 Reverting r55898 to r55909. One of these patches was causing an ICE during the full bootstrap on Darwin: 
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/xgcc
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/bin/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/lib/
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/include
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/sys-include
-O2  -O2 -g -O2  -DIN_GCC    -W -Wall -Wwrite-strings
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-isystem ./include  -fPIC -pipe -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2
-D__GCC_FLOAT_NOT_NEEDED  -I. -I. -I../../llvm-gcc.src/gcc
-I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include
-I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include
-I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber
-I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include
-I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include
-DSHARED -m64 -DL_negdi2 -c ../../llvm-gcc.src/gcc/libgcc2.c -o
libgcc/x86_64/_negdi2_s.o
Assertion failed: (TargetRegisterInfo::isVirtualRegister(regA) &&
TargetRegisterInfo::isVirtualRegister(regB) && "cannot update physical
register live information"), function runOnMachineFunction, file
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/lib/CodeGen/TwoAddressInstructionPass.cpp,
line 311.
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/xgcc
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/bin/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/lib/
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/include
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/sys-include
-O2  -O2 -g -O2  -DIN_GCC    -W -Wall -Wwrite-strings
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-isystem ./include  -fPIC -pipe -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2
-D__GCC_FLOAT_NOT_NEEDED  -I. -I. -I../../llvm-gcc.src/gcc
-I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include
-I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include
-I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber
-I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include
-I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include
-DSHARED -m64 -DL_lshrdi3 -c ../../llvm-gcc.src/gcc/libgcc2.c -o
libgcc/x86_64/_lshrdi3_s.o
../../llvm-gcc.src/gcc/unwind-dw2.c:1527: 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.
{standard input}:unknown:Undefined local symbol LBB21_11
{standard input}:unknown:Undefined local symbol LBB21_12
{standard input}:unknown:Undefined local symbol LBB21_13
{standard input}:unknown:Undefined local symbol LBB21_8

llvm-svn: 55928
 2008-09-08 17:59:12 +00:00
Evan Cheng
fc78ac5bbe Handle calls which produce i1 results: promote to i8 but and it with 1 to get the low bit. 
llvm-svn: 55925
 2008-09-08 17:15:42 +00:00
Dan Gohman
2498f902ff i128 and f80 are implemented for x86-64 now. 
llvm-svn: 55920
 2008-09-08 16:42:56 +00:00
Dan Gohman
331ed48bc7 Fix copy+pastos in comments. 
llvm-svn: 55918
 2008-09-08 16:31:35 +00:00
Anton Korobeynikov
cd3e839337 Drop unused variable 
llvm-svn: 55901
 2008-09-08 14:22:38 +00:00
Anton Korobeynikov
abd2198853 We do support EH on x86-64! 
llvm-svn: 55900
 2008-09-08 14:22:16 +00:00
Anton Korobeynikov
8528e4dc99 First draft of EH support on x86/64-linux 
llvm-svn: 55899
 2008-09-08 14:21:53 +00:00
Anton Korobeynikov
38cc49e19d Implement FRAME_TO_ARGS_OFFSET for x86-64 
llvm-svn: 55898
 2008-09-08 14:21:10 +00:00
Evan Cheng
66ef6517ad Add support to extend call operands when needed. Enable x86 fastisel call support. 
llvm-svn: 55891
 2008-09-08 06:35:17 +00:00
Evan Cheng
f016785579 Initial fastisel call support for C, Fast, and X86_FastCall calling conventions. It's meant to handle "simple" calls, i.e. no byval, structret, etc. It doesn't support multi-result returns either. 
Not yet turned on, it needs to support sext / zext of arguments and result.

llvm-svn: 55882
 2008-09-07 09:09:33 +00:00
Evan Cheng
ad262ec3a7 Some code clean up. 
llvm-svn: 55881
 2008-09-07 09:07:23 +00:00
Evan Cheng
6690ccd573 Handle x86 truncate to i8 with target hook for now. 
llvm-svn: 55877
 2008-09-07 08:47:42 +00:00
Owen Anderson
ef6d356c39 Fix constant pool loads, and remove broken versions of addConstantPoolReference. 
llvm-svn: 55868
 2008-09-06 01:11:01 +00:00
Owen Anderson
4d5723c58f Fix the X86 addConstantPoolReference, which had the operands in the wrong order. 
llvm-svn: 55867
 2008-09-06 00:50:00 +00:00
Eli Friedman
fecea4b498 Fix for PR2687: Add patterns to match sint_to_fp and fp_to_sint for <2 x 
i32>.  This is a little messy, but it works.

We should really get rid of the intrinsics, though, since they map
perfectly well to standard LLVM instructions.

llvm-svn: 55864
 2008-09-05 23:07:03 +00:00
Dan Gohman
930d0be24c Fix X86FastISel's shift and select code to reject illegal types. 
llvm-svn: 55857
 2008-09-05 21:27:34 +00:00
Dan Gohman
28e33e92e4 Fix the opcodes used by X86FastISel for shifts and conditional moves. 
llvm-svn: 55855
 2008-09-05 21:13:04 +00:00
Evan Cheng
5fd19547f4 Factor out code that emits load and store instructions. 
llvm-svn: 55854
 2008-09-05 21:00:03 +00:00
Owen Anderson
7866b1c4c3 Rename method. 
llvm-svn: 55853
 2008-09-05 20:49:33 +00:00
Dan Gohman
0be4bca4b6 X86FastISel support for shifts and conditional moves. 
llvm-svn: 55844
 2008-09-05 18:30:08 +00:00
Evan Cheng
10a350fa89 If SSE2 is available, x86 should pass first 3 f32/f64 arguments in XMM registers for fastcc calls. 
llvm-svn: 55840
 2008-09-05 17:24:07 +00:00
Dan Gohman
29cba19a2a Check a comparion's operand type for legality before 
expanding its operands.

llvm-svn: 55820
 2008-09-05 01:33:56 +00:00
Dan Gohman
121baa1723 Fix X86FastISel code for comparisons and conditional branches 
to check the result of getRegForValue before using it, and
to check for illegal operand types.

llvm-svn: 55819
 2008-09-05 01:15:35 +00:00
Dan Gohman
783f38e056 X86FastISel support for conditional branches. 
llvm-svn: 55816
 2008-09-05 01:06:14 +00:00
Owen Anderson
6d5b72d45a Add initial support for selecting constant materializations that require constant 
pool loads on X86 in fast isel.  This isn't actually used yet.

llvm-svn: 55814
 2008-09-05 00:06:23 +00:00
Dan Gohman
88c3de638e X86FastISel support for ICmpInst and FCmpInst. 
llvm-svn: 55811
 2008-09-04 23:26:51 +00:00
Evan Cheng
bd15e330d0 For whatever the reason, x86 CallingConv::Fast (i.e. fastcc) was not passing scalar arguments in registers. This patch defines a new fastcc CC which is slightly different from the FastCall CC. In addition to passing integer arguments in ECX and EDX, it also specify doubles are passed in 8-byte slots which are 8-byte aligned (instead of 4-byte aligned). This avoids a potential performance hazard where doubles span cacheline boundaries. 
llvm-svn: 55807
 2008-09-04 22:59:58 +00:00
Devang Patel
f3770334a9 If function notes say optimize for size, then adjust alignment. 
llvm-svn: 55794
 2008-09-04 21:03:41 +00:00
Dan Gohman
e1f9be27bc Tidy up several unbeseeming casts from pointer to intptr_t. 
llvm-svn: 55779
 2008-09-04 17:05:41 +00:00
Owen Anderson
cd3ee9198d Fix the ordering of operands to the store (inverted relative to LLVM IR), and fix the testcase. 
llvm-svn: 55777
 2008-09-04 16:48:33 +00:00
Owen Anderson
35485dbae3 Add a first attempt at implementing stores for X86 fast isel using target hooks. 
Dan or Evan, please review.

llvm-svn: 55764
 2008-09-04 07:08:58 +00:00
Evan Cheng
9c728a557d Load from GV stub should be locally CSE'd. 
llvm-svn: 55763
 2008-09-04 06:18:33 +00:00
Evan Cheng
53ce5fa5ce Remove code that pad number of bytes to pop for X86_FastCall CC. The code doesn't do the "aligning" for Cygwin, Mingw, and Windows. But aligning it on Darwin and Linux breaks gcc compatibility. That ruled out all the platforms we support! 
llvm-svn: 55756
 2008-09-04 01:04:15 +00:00
Dale Johannesen
9e4d101fab Add intrinsics for log, log2, log10, exp, exp2. 
No functional change (and no FE change to generate them).

llvm-svn: 55753
 2008-09-04 00:47:13 +00:00
Dan Gohman
18cc2a26df Create HandlePHINodesInSuccessorBlocksFast, a version of 
HandlePHINodesInSuccessorBlocks that works FastISel-style. This
allows PHI nodes to be updated correctly while using FastISel.

This also involves some code reorganization; ValueMap and
MBBMap are now members of the FastISel class, so they needn't
be passed around explicitly anymore. Also, SelectInstructions
is changed to SelectInstruction, and only does one instruction
at a time.

llvm-svn: 55746
 2008-09-03 23:12:08 +00:00
Evan Cheng
942d55dd92 Add X86 target hook to implement load (even from GlobalAddress). 
llvm-svn: 55693
 2008-09-03 06:44:39 +00:00
Ted Kremenek
b7236d215b Fix capitalization in #include of FastISel.h. This unbreaks the build on case-sensitive filesystems. 
llvm-svn: 55687
 2008-09-03 02:54:11 +00:00
Evan Cheng
4cef3f6ce1 Unbreak fast isel. 
llvm-svn: 55685
 2008-09-03 01:04:47 +00:00
Evan Cheng
43c7084625 Let tblgen only generate fastisel routines, not the class definition. This makes it easier for targets to define its own fastisel class. 
llvm-svn: 55679
 2008-09-03 00:03:49 +00:00
Gabor Greif
7db742d8c2 fix a bunch of 80-col violations 
llvm-svn: 55588
 2008-08-31 15:37:04 +00:00
Evan Cheng
c3c439a624 For now, can't mark XOR64rr isAsCheapAsAMove. It's technically correct. But various passes cannot handle remating these. 
llvm-svn: 55562
 2008-08-30 08:54:22 +00:00
Evan Cheng
4bc8c9652e 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). 
llvm-svn: 55558
 2008-08-30 02:03:58 +00:00
Evan Cheng
c1c53221c5 Swap fp comparison operands and change predicate to allow load folding (safely this time). 
llvm-svn: 55553
 2008-08-29 23:22:12 +00:00
Evan Cheng
a884330e08 Use static_cast instead of C style cast. 
llvm-svn: 55552
 2008-08-29 23:21:31 +00:00
Evan Cheng
17382f9ffb Backing out 55521. Not safe. 
llvm-svn: 55548
 2008-08-29 22:13:21 +00:00
Owen Anderson
3aa3841da2 Add initial support for fast isel of instructions that have inputs pinned to physical registers. 
llvm-svn: 55545
 2008-08-29 17:45:56 +00:00
Evan Cheng
cdd06ba3f4 Swap fp comparison operands and change predicate to allow load folding. 
llvm-svn: 55521
 2008-08-28 23:48:31 +00:00
Dan Gohman
c7b8401b77 Add a target callback for FastISel. 
llvm-svn: 55512
 2008-08-28 23:21:34 +00:00
Gabor Greif
5ec5f19852 remove tabs, fix > 80 cols 
llvm-svn: 55511
 2008-08-28 23:19:51 +00:00