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398 Commits

Author SHA1 Message Date
Jush Lu
efc967e044 Cleanup whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158443 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-14 06:08:19 +00:00
Chad Rosier
49d6fc02ef [arm-fast-isel] Add support for -arm-long-calls. 
Patch by Jush Lu <jush.msn@gmail.com>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158368 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-12 19:25:13 +00:00
Bill Wendling
ad5c880892 Re-enable the CMN instruction. 
We turned off the CMN instruction because it had semantics which we weren't
getting correct. If we are comparing with an immediate, then it's okay to use
the CMN instruction.
<rdar://problem/7569620>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158302 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-11 08:07:26 +00:00
Chad Rosier
bbff4ee92d [arm-fast-isel] Fix handling of the frameaddress intrinsic. If depth is 0 
then DestReg is undefined.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157840 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-01 21:12:31 +00:00
Chad Rosier
ada759d5fa [arm-fast-isel] Add support for the llvm.frameaddress() intrinsic. 
Patch by Jush Lu <jush.msn@gmail.com>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157696 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-30 17:23:22 +00:00
Chad Rosier
1c8fccbc12 [arm-fast-isel] Add support for non-global callee. 
Patch by Jush Lu <jush.msn@gmail.com>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157336 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 18:38:57 +00:00
Chad Rosier
226ddf5278 [fast-isel] Add support for selecting @llvm.trap(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156646 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-11 21:33:49 +00:00
Chad Rosier
2b3b335f2d [fast-isel] Remove -disable-arm-fast-isel option. -fast-isel=0 suffices. Minor cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156632 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-11 19:40:25 +00:00
Chad Rosier
2a2e9d54e9 [fast-isel] Cleaner fix for when we're unable to handle a non-double multi-reg 
retval.  Hoists check before emitting the call to avoid unnecessary work.
rdar://11430407
PR12796


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156628 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-11 18:51:55 +00:00
Chad Rosier
2f6ae41f14 [fast-isel] Rather then assert (or segfault in a non-asserts build), fall back 
to selection DAG isel if we're unable to handle a non-double multi-reg retval.
rdar://11430407
PR12796


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156622 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-11 17:41:06 +00:00
Chad Rosier
f4bd21c256 The return type is an unsigned, not a bool. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156621 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-11 16:41:38 +00:00
Craig Topper
420761a0f1 Convert more uses of XXXRegisterClass to &XXXRegClass. No functional change since they are equivalent. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155188 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-20 07:30:17 +00:00
Jim Grosbach
d4f020a3af Tidy up. 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154226 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-06 23:43:50 +00:00
Jakob Stoklund Olesen
f16936e592 Deduplicate ARM call-related instructions. 
We had special instructions for iOS because r9 is call-clobbered, but
that is represented dynamically by the register mask operands now, so
there is no need for the pseudo-instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154144 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-06 00:04:58 +00:00
Craig Topper
c89c744b69 Remove unnecessary llvm:: qualifications 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153500 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-27 07:21:54 +00:00
Craig Topper
0e5233a9e5 Prune includes and replace uses of ARMRegisterInfo.h with ARMBaeRegisterInfo.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153422 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-26 00:45:15 +00:00
Bill Wendling
5aeff3171c Check if we can handle the arguments of a call (and therefore the call) in 
fast-isel before emitting code. If the program bails after code was emitted,
then it could lead to the stack being adjusted more than once (two
CALLSEQ_BEGINs emitted) but being adjuste back only once after the call. This
leads to general badness and gnashing of teeth.
<rdar://problem/11050630>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152959 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-16 23:11:07 +00:00
Chad Rosier
0ac754f6f4 [fast-isel] Address Eli's comments for r152847. Specifically, add a test case 
and still allow immediate encoding, just not with cmn.
rdar://11038907


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152869 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-15 22:54:20 +00:00
Chad Rosier
530b19b702 [fast-isel] Don't try to encode LONG_MIN using cmn instructions. 
rdar://11038907


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152847 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-15 21:40:23 +00:00
Chad Rosier
44c98b7114 [fast-isel] ARMEmitCmp generates FMSTAT, which transfers the floating-point 
condition flags to CPSR.  This allows us to simplify SelectCmp.
Patch by Zonr Chang <zonr.xchg@gmail.com>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152243 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-07 20:59:26 +00:00
Lang Hames
4f92b5e616 Split fpscr into two registers: FPSCR and FPSCR_NZCV. 
The fpscr register contains both flags (set by FP operations/comparisons) and
control bits. The control bits (FPSCR) should be reserved, since they're always
available and needn't be defined before use. The flag bits (FPSCR_NZCV) should
like to be unreserved so they can be hoisted by MachineCSE. This fixes PR12165.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152076 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-06 00:19:55 +00:00
Jim Grosbach
e751c0069a ARM use the right opcode for FP<->Integer move in fast-isel. 
rdar://10965031

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151850 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-01 22:47:09 +00:00
Jakob Stoklund Olesen
c54f634886 Switch ARM target to register masks. 
I'll let the buildbots determine the compile time improvements from this
change, but 464.h264ref has 5% faster codegen at -O2.

This patch does cause some assembly changes.  Branch folding can make
different decisions about calls with dead return values.
CriticalAntiDepBreaker may choose different registers because its
liveness tracking is affected.  MachineCopyPropagation may sometimes
leave a dead copy behind.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151331 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-24 01:19:29 +00:00
Craig Topper
44d23825d6 Make all pointers to TargetRegisterClass const since they are all pointers to static data that should not be modified. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151134 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-22 05:59:10 +00:00
Chad Rosier
b8703fe265 [fast-isel] Add support for returning non-legal types with no sign- or zero- 
entend flag.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150774 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-17 01:21:28 +00:00
Chad Rosier
a69feb0f33 Remove unnecessary assignment to temporary, ResultReg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150737 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-16 22:45:33 +00:00
Chad Rosier
40d552e0be Add braces to if clause to make symmetric with associate else clause. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150591 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-15 17:36:21 +00:00
Chad Rosier
92fd017364 Use a temporary variable, rather then a series of redundant calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150536 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-15 00:23:55 +00:00
Chad Rosier
5793a6586d Remove unnecessary assignment to temporary, ResultReg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150520 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-14 22:29:48 +00:00
Chad Rosier
743e19983e [fast-isel] Add support for SUBs with non-legal types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150047 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 02:45:44 +00:00
Chad Rosier
6fde875621 [fast-isel] Add support for ORs with non-legal types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150045 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 02:29:21 +00:00
Chad Rosier
60c8fa6bb9 [fast-isel] Add support for indirect branches. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150014 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-07 23:56:08 +00:00
Craig Topper
bc2198133a Convert assert(0) to llvm_unreachable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149961 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-07 02:50:20 +00:00
Chad Rosier
3901c3e750 [fast-isel] Add support for ADDs with non-legal types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149934 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 23:50:07 +00:00
Duncan Sands
5b8a1db7ea Persuade GCC that there is nothing worth warning about here (there isn't). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149834 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 14:20:11 +00:00
Chad Rosier
769422f0fc [fast-isel] Add support for URem. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149716 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-03 21:23:45 +00:00
Chad Rosier
ae46a3362d [fast-isel] Rename isZExt to isSigned. No functional change intended. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149714 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-03 21:14:11 +00:00
Chad Rosier
7ccb30b596 [fast-isel] Add support for UDIV. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149712 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-03 21:07:27 +00:00
Chad Rosier
ee8901c08f [fast-isel] Add support for FPToUI. Also add test cases for FPToSI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149706 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-03 20:27:51 +00:00
Chad Rosier
36b7beb429 [fast-isel] Add support for selecting UIToFP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149704 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-03 19:42:52 +00:00
David Blaikie
4d6ccb5f68 More dead code removal (using -Wunreachable-code) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148578 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-20 21:51:11 +00:00
Eric Christopher
fae699a580 Fix assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147966 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-11 20:55:27 +00:00
Jakob Stoklund Olesen
8f37a2422e Match SelectionDAG logic for enabling movt. 
Darwin doesn't do static, and ELF targets only support static.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147740 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-07 20:49:15 +00:00
Jakob Stoklund Olesen
4964ba01f9 Use getRegForValue() to materialize the address of ARM globals. 
This enables basic local CSE, giving us 20% smaller code for
consumer-typeset in -O0 builds.

<rdar://problem/10658692>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147720 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-07 04:07:22 +00:00
Jakob Stoklund Olesen
45ca7c6336 Use movw+movt in ARMFastISel::ARMMaterializeGV. 
This eliminates a lot of constant pool entries for -O0 builds of code
with many global variable accesses.

This speeds up -O0 codegen of consumer-typeset by 2x because the
constant island pass no longer has to look at thousands of constant pool
entries.

<rdar://problem/10629774>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147712 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-07 01:47:05 +00:00
Evan Cheng
afff941211 ARM target code clean up. Check for iOS, not Darwin where it makes sense. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146981 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-20 18:26:50 +00:00
Chad Rosier
6762f8f302 VFP2 is required for FP loads. Noticed by inspection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146569 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-14 17:55:03 +00:00
Chad Rosier
64ac91b4b6 Tidy up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146568 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-14 17:32:02 +00:00
Chad Rosier
404ed3c223 Fix 80-column violation and extraneous brackets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146566 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-14 17:26:05 +00:00
Evan Cheng
ddfd1377d2 - Add MachineInstrBundle.h and MachineInstrBundle.cpp. This includes a function 
to finalize MI bundles (i.e. add BUNDLE instruction and computing register def
  and use lists of the BUNDLE instruction) and a pass to unpack bundles.
- Teach more of MachineBasic and MachineInstr methods to be bundle aware.
- Switch Thumb2 IT block to MI bundles and delete the hazard recognizer hack to
  prevent IT blocks from being broken apart.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146542 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-14 02:11:42 +00:00
Chad Rosier
8a9bce978f [fast-isel] Unaligned loads of floats are not supported. Therefore, convert to a regular 
load and then move the result from a GPR to a FPR.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146502 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-13 19:22:14 +00:00
Evan Cheng
5a96b3dad2 Add bundle aware API for querying instruction properties and switch the code 
generator to it. For non-bundle instructions, these behave exactly the same
as the MC layer API.

For properties like mayLoad / mayStore, look into the bundle and if any of the
bundled instructions has the property it would return true.
For properties like isPredicable, only return true if *all* of the bundled
instructions have the property.
For properties like canFoldAsLoad, isCompare, conservatively return false for
bundles.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146026 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-07 07:15:52 +00:00
Chad Rosier
ed42c5f778 [arm-fast-isel] Doublewords only require word-alignment. 
rdar://10528060

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145891 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-06 01:44:17 +00:00
Bob Wilson
6ce2deacef Fix 80-column issues. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145783 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-04 00:52:23 +00:00
Chad Rosier
9eff1e33f6 [arm-fast-isel] Unaligned stores of floats require special care. 
rdar://10510150

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145742 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-03 02:21:57 +00:00
Nick Lewycky
8a8d479214 Move global variables in TargetMachine into new TargetOptions class. As an API 
change, now you need a TargetOptions object to create a TargetMachine. Clang
patch to follow.

One small functionality change in PTX. PTX had commented out the machine
verifier parts in their copy of printAndVerify. That now calls the version in
LLVMTargetMachine. Users of PTX who need verification disabled should rely on
not passing the command-line flag to enable it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145714 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-02 22:16:29 +00:00
Chad Rosier
b74c865841 [arm-fast-isel] After promoting a function parameter be sure to update the 
argument value type.  Otherwise, the sign/zero-extend has no effect on arguments
passed via the stack (i.e., undefined high-order bits).
rdar://10515467

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145701 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-02 20:25:18 +00:00
Duncan Sands
4c0c5451c7 Silence wrong warnings from GCC about variables possibly being used 
uninitialized: GCC doesn't understand that the variables are only used
if !UseImm, in which case they have been initialized.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145239 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-28 10:31:27 +00:00
Chad Rosier
424fe0e422 Guard call to getRegForValue with isTypeLegal check to avoid unnecessary work/dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144959 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-18 01:17:34 +00:00
Chad Rosier
944d82ba06 Add TODO comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144920 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-17 21:46:13 +00:00
Chad Rosier
2fb82ce75d Dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144888 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-17 07:24:49 +00:00
Chad Rosier
3bdb3c9b51 Don't unconditionally set the kill flag. 
rdar://10456186


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144872 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-17 01:16:53 +00:00
Chad Rosier
508a1f4db1 Check to make sure we can select the instruction before trying to put the 
operands into a register.  Otherwise, we may materialize dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144805 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-16 18:39:44 +00:00
Chad Rosier
f56c60b571 Add FIXME comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144743 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-16 00:32:20 +00:00
Jay Foad
d9190c0f14 Remove some unnecessary includes of PseudoSourceValue.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144631 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-15 07:24:32 +00:00
Chad Rosier
2c42b8c912 Supporting inline memmove isn't going to be worthwhile. The only way to avoid 
violating a dependency is to emit all loads prior to stores.  This would likely
cause a great deal of spillage offsetting any potential gains.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144585 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-14 23:04:09 +00:00
Chad Rosier
909cb4f2f2 Add support for inlining small memcpys. 
rdar://10412592


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144578 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-14 22:46:17 +00:00
Chad Rosier
e489af8dce Fix a performance regression from r144565. Positive offsets were being lowered 
into registers, rather then encoded directly in the load/store.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144576 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-14 22:34:48 +00:00
Chad Rosier
57b2997966 Add support for Thumb load/stores with negative offsets. 
rdar://10412592



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144565 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-14 20:22:27 +00:00
Chad Rosier
dc9205d9c2 Add support for ARM halfword load/stores and signed byte loads with negative 
offsets.
rdar://10412592



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144518 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-14 04:09:28 +00:00
Chad Rosier
9eb674880b The order in which the predicate is added differs between Thumb and ARM mode. Fix predicate when in ARM mode and restore SelectIntrinsicCall. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144494 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-13 09:44:21 +00:00
Chad Rosier
a517ab155b Temporarily disable SelectIntrinsicCall when in ARM mode. This is causing failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144492 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-13 05:14:43 +00:00
Chad Rosier
5be833de76 Fix comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144490 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-13 04:25:02 +00:00
Chad Rosier
b29b950bf2 Add support for emitting both signed- and zero-extend loads. Fix 
SimplifyAddress to handle either a 12-bit unsigned offset or the ARM +/-imm8
offsets (addressing mode 3).  This enables a load followed by an integer 
extend to be folded into a single load.

For example:
ldrb r1, [r0]       ldrb r1, [r0]
uxtb r2, r1     =>
mov  r3, r2         mov  r3, r1


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144488 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-13 02:23:59 +00:00
Chad Rosier
11add26ec2 Add support in fast-isel for selecting memset/memcpy/memmove intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144426 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-11 23:31:03 +00:00
Chad Rosier
1c47de87c7 Rename variables to avoid confusion. No functionallity change intended. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144377 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-11 06:27:41 +00:00
Chad Rosier
a07d3fc693 Add support for using immediates with select instructions. 
rdar://10412592


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144376 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-11 06:20:39 +00:00
Chad Rosier
646abbfa30 When loading a value, treat an i1 as an i8. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144356 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-11 02:38:59 +00:00
Chad Rosier
4e89d97e3a Add support for using MVN to materialize negative constants. 
rdar://10412592

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144348 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-11 00:36:21 +00:00
Chad Rosier
16455ce1a4 When in ARM mode, LDRH/STRH require special handling of negative offsets. 
For correctness, disable this for now.
rdar://10418009

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144316 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-10 21:09:49 +00:00
Chad Rosier
6cba97c555 For immediate encodings of icmp, zero or sign extend first. Then 
determine if the value is negative and flip the sign accordingly.
rdar://10422026

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144258 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-10 01:30:39 +00:00
Chad Rosier
7346347674 The ARM LDRH/STRH instructions use a +/-imm8 encoding, not an imm12. 
rdar://10418009

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144213 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-09 21:30:12 +00:00
Chad Rosier
2f2fe417f9 Add support for encoding immediates in icmp and fcmp. Hopefully, this will 
remove a fair number of unnecessary materialized constants.
rdar://10412592


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144163 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-09 03:22:02 +00:00
Chad Rosier
66dc8ca04b ARMFastISel doesn't support thumb1. Rename isThumb to isThumb2 to reflect this. 
No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144122 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-08 21:12:00 +00:00
Chad Rosier
0eff39f2e2 Enable support for returning i1, i8, and i16. Nothing special todo as it's the 
callee's responsibility to sign or zero-extend the return value.  The additional
test case just checks to make sure the calls are selected (i.e., -fast-isel-abort
doesn't assert).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144047 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-08 00:03:32 +00:00
Chad Rosier
42536af5ce Add support for passing i1, i8, and i16 call parameters. Also, be sure to 
zero-extend the constant integer encoding.  Test case provides testing for
both call parameters and materialization of i1, i8, and i16 types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143821 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-05 20:16:15 +00:00
Chad Rosier
451afbc6a2 Cannot create a result register for non-legal types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143749 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-04 23:45:39 +00:00
Chad Rosier
a4e07270bc When materializing an i32, SExt vs ZExt doesn't matter when we're trying to fit 
in a 16-bit immediate.  However, for the shorter non-legal types (i.e., i1, i8,
i16) we should not sign-extend.  This prevents us from materializing things
such as 'true' (i.e., i1 1).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143743 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-04 23:09:49 +00:00
Chad Rosier
44e895761f Enable support for materializing i1, i8, and i16 integers via move immediate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143739 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-04 22:29:00 +00:00
Chad Rosier
8e4a2e4f73 Indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143670 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-04 00:58:10 +00:00
Chad Rosier
f470cbbad2 Add fast-isel support for returning i1, i8, and i16. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143669 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-04 00:50:21 +00:00
Chad Rosier
463fe24f1d Add support for sign-extending non-legal types in SelectSIToFP(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143603 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-03 02:04:59 +00:00
Chad Rosier
e07cd5e40a Add support for comparing integer non-legal types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143559 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-02 18:08:25 +00:00
Chad Rosier
87633026d6 Factor out an EmitIntExt function. No functionality change intended. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143547 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-02 17:20:24 +00:00
Chad Rosier
0d7b231c9b Factor out a SelectTrunc function. No functionality change intended. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143523 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-02 00:18:48 +00:00
Chad Rosier
6d64b3adab A branch predicated on a constant can just FastEmit an unconditional branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143086 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-27 00:21:16 +00:00
Chad Rosier
8ff2664f2f Add a TODO comment. FastISel works by parsing each basic block from the bottom 
up.  Thus, improving the support for compares is goodness because it increases
the number of terminator instructions we can handle.  This creates many more 
opportunities for target specific fast-isel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143079 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 23:34:37 +00:00
Chad Rosier
ade620065d Factor a little more code into EmitCmp, which should have been done in the first 
place.  No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143078 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 23:25:44 +00:00
Chad Rosier
75698f346f Use EmitCmp in SelectBranch. No functional change intended. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143076 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 23:17:28 +00:00
Chad Rosier
530f7cefd3 Factor out an EmitCmp function that can be used by both SelectCmp and 
SelectBranch.  No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143072 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-26 22:47:55 +00:00
Chad Rosier
3a7572ff61 Add a few FIXME comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142299 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 22:54:23 +00:00
Bill Wendling
5bb779976a Switch over to using ARMConstantPoolConstant for global variables, functions, 
and block addresses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140936 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-01 08:00:54 +00:00
Jim Grosbach
4ebbf7b8a8 ARM fix encoding of VMOV.f32 and VMOV.f64 immediates. 
Encode the immediate into its 8-bit form as part of isel rather than later,
which simplifies things for mapping the encoding bits, allows the removal
of the custom disassembler decoding hook, makes the operand printer trivial,
and prepares things more cleanly for handling these in the asm parser.

rdar://10211428



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140834 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 00:50:06 +00:00
Jim Grosbach
b04546ff5b Tidy up a few 80 column violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139636 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 20:30:37 +00:00
Eli Friedman
4136d23c48 Don't fast-isel for atomic load/store; some cases require extra handling missing from fast-isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139044 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 22:33:24 +00:00
Chad Rosier
dd1e7517b5 Fixup for functions that return a bool. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138918 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 23:49:05 +00:00
Jim Grosbach
d04f6a581c [SU]XT[BH] are only available on ARMv6 and up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138373 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-23 20:53:08 +00:00
Jim Grosbach
c5a8c861c9 ARM extend instructions simplification. 
Refactor the SXTB, SXTH, SXTB16, UXTB, UXTH, and UXTB16 instructions to not
have an 'r' and an 'r_rot' version, but just a single version with a rotate
that can be zero. Use plain Pat<>'s for the ISel of the non-rotated version.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136225 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-27 16:47:19 +00:00
Evan Cheng
ee04a6d3a4 Sink ARMMCExpr and ARMAddressingModes into MC layer. First step to separate ARM MC code from target. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135636 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-20 23:34:39 +00:00
Chris Lattner
db125cfaf5 land David Blaikie's patch to de-constify Type, with a few tweaks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135375 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-18 04:54:35 +00:00
Evan Cheng
d5b03f252c Move CallFrameSetupOpcode and CallFrameDestroyOpcode to TargetInstrInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134030 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-28 21:14:33 +00:00
Evan Cheng
e837dead3c - Rename TargetInstrDesc, TargetOperandInfo to MCInstrDesc and MCOperandInfo and 
sink them into MC layer.
- Added MCInstrInfo, which captures the tablegen generated static data. Chang
TargetInstrInfo so it's based off MCInstrInfo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134021 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-28 19:10:37 +00:00
Eric Christopher
471e422480 Add a parameter to CCState so that it can access the MachineFunction. 
No functional change.

Part of PR6965


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132763 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-08 23:55:35 +00:00
Eli Friedman
d6412c940e Add ARM fast-isel support for materializing the address of a global in cases where the global uses an indirect symbol. 
rdar://9431157



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132522 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-03 01:13:19 +00:00
Cameron Zwarich
c152aa6c86 Fix ARM fast isel to correctly flag memory operands to stores. This fixes 
-verify-machineinstrs failures on several tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132268 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-28 20:34:49 +00:00
Eli Friedman
a4d487fc1e Fix a silly mistake (which trips over an assertion) in r132099. rdar://9515076 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132194 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-27 18:02:04 +00:00
Eli Friedman
76927d7303 Rewrite fast-isel integer cast handling to handle more cases, and to be simpler and more consistent. 
The practical effects here are that x86-64 fast-isel can now handle trunc from i8 to i1, and ARM fast-isel can handle many more constructs involving integers narrower than 32 bits (including loads, stores, and many integer casts).

rdar://9437928 .



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132099 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 23:49:02 +00:00
Eli Friedman
783c66414a Prepare ARMFastISel::SelectSIToFP for getRegForValue returning registers for i8 and i16 values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132073 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-25 19:09:45 +00:00
Jim Grosbach
0c72076190 Kill some dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131431 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-16 22:24:07 +00:00
Eric Christopher
52f6c03a45 Apparently the check for direct calls is unnecessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130716 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-02 20:16:33 +00:00
Eli Friedman
c573e2c7ea Switch to ImmLeaf (which can be used by FastISel) for a few more common ARM/Thumb2 patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130552 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 22:48:03 +00:00
Eric Christopher
d94bc549fc Add FastEmitInst_ii for the arm fast isel generator. It doesn't use it, but 
if it ever did it needs the def machinery.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130549 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 22:07:50 +00:00
Eric Christopher
632ae892e6 Some cleanup and optimize fallthrough more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130546 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 21:56:31 +00:00
Eli Friedman
9ebf57ae13 Re-committing r130454, which does not in fact break anything. 
Fix a rather obscure crash caused by ARM fast-isel generating code which redefines a register.
rdar://problem/9338332 .



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130539 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 21:22:56 +00:00
Eric Christopher
bcf26aee86 Add trunc->branch support, this won't help with clang's i8->i1 truncations 
for bools, but is a start.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130534 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 20:02:39 +00:00
Eric Christopher
6344a5f146 Update comments and checks to match reality. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130464 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 00:07:20 +00:00
Eric Christopher
299bbb23a4 Whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130463 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 00:03:10 +00:00
Eli Friedman
6e6014cfb3 Revert r130454; apparently this doesn't actually work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130462 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 23:55:14 +00:00
Eli Friedman
2f7fcd7198 Fix a rather obscure crash caused by ARM fast-isel generating code which redefines a register. 
rdar://problem/9338332 .



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130454 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 23:03:25 +00:00
Eric Christopher
7a20a37bac Be more layout aware here and swap the successor and branch condition 
if it means we get a fallthrough.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130404 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 16:52:09 +00:00
Stuart Hastings
c5eecbc4ec Correct result when a branch condition is live across a block 
boundary.  <rdar://problem/8933028>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129634 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-16 03:31:26 +00:00
Jay Foad
562b84b3ae Don't include Operator.h from InstrTypes.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129271 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-11 09:35:34 +00:00
Eric Christopher
0435661582 Just use BL all the time. It's safer that way. 
Fixes rdar://9184526


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128869 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-05 00:39:26 +00:00
Cameron Zwarich
c0e6d780cd Add a ARM-specific SD node for VBSL so that forms with a constant first operand 
can be recognized. This fixes <rdar://problem/9183078>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128584 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-30 23:01:21 +00:00
Eric Christopher
7244d7cbce Migrate the fix in r128041 to ARM's fastisel support as well. 
Fixes rdar://9169640 

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128100 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-22 19:39:17 +00:00
Eric Christopher
af3dce5149 Sometimes isPredicable lies to us and tells us we don't need the operands. 
Go ahead and add them on when we might want to use them and let
later passes remove them.

Fixes rdar://9118569


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127518 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-12 01:09:29 +00:00
Eric Christopher
872f4a2247 Only use blx for external function calls on thumb, these could be fixed 
up by the dynamic linker, but it's better to use the correct instruction
to begin with.

Fixes rdar://9011034


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126176 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 01:37:10 +00:00
Eric Christopher
4a2b316762 Use the incoming VT not the VT of where we're trying to store to determine 
if we can store a value. Also, the exclusion is or, not and.

Fixes rdar://8920247.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124357 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-27 05:44:56 +00:00
Jeffrey Yasskin
955ed73d12 Remove unused variables found by gcc-4.6's -Wunused-but-set-variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123707 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 00:51:23 +00:00
Evan Cheng
5de5d4b6d0 Materialize GA addresses with movw + movt pairs for Darwin in PIC mode. e.g. 
movw    r0, :lower16:(L_foo$non_lazy_ptr-(LPC0_0+4))
        movt    r0, :upper16:(L_foo$non_lazy_ptr-(LPC0_0+4))
LPC0_0:
        add     r0, pc, r0

It's not yet enabled by default as some tests are failing. I suspect bugs in
down stream tools.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123619 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 08:03:18 +00:00
Chris Lattner
54c6d6f42d fix some -Wself-assign warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122893 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-05 18:41:05 +00:00
Eric Christopher
c19aadb8b0 Arm and thumb call instructions are also in different orders. 
Fixes rdar://8782223


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122313 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-21 03:50:43 +00:00
Eric Christopher
836c6245ad Don't handle -arm-long-calls in fast isel for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121919 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 23:47:29 +00:00
Eric Christopher
564857f776 Refactor load/store handling again. Simplify and make some room for 
reg+reg handling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120526 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-01 01:40:24 +00:00
Eric Christopher
06a86da323 Noticed this on inspection, fix and update some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120447 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-30 19:14:07 +00:00
Eric Christopher
7bb5996e47 Update fastisel for the changes in r120272. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120324 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-29 21:56:23 +00:00
Wesley Peck
bf17cfa3f9 Renaming ISD::BIT_CONVERT to ISD::BITCAST to better reflect the LLVM IR concept. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119990 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 03:31:01 +00:00
Eric Christopher
827656dab4 Rewrite address handling to use a structure with all the possible address 
mode variables. Handle frame indexes in load/store and allocas again.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119912 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 22:38:27 +00:00
Eric Christopher
13df1a0bac STRH only needs the additional operand, not t2STRH. Also invert conditional 
to match the one from the load emitter above.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119911 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 22:01:38 +00:00
Eric Christopher
b371658083 Don't need to save piecemeal now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119862 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-19 22:39:56 +00:00