Commit Graph

22570 Commits

Author SHA1 Message Date
Akira Hatanaka
45d8dbc92d In MipsDAGToDAGISel::SelectAddr, fold add node into address operand, if its
second operand is MipsISD::GPRel.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162584 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24 20:21:49 +00:00
Roman Divacky
9fb8b49380 Lower constant pools and jump tables via TOC on PPC64/SVR4.
In collaboration with Adhemerval Zanella.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162562 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24 16:26:02 +00:00
Jakob Stoklund Olesen
4d320db5d1 Fix load/store SDNode flags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162558 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24 14:43:30 +00:00
Jakob Stoklund Olesen
ea47628cba Add missing SDNPSideEffect flags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162557 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24 14:43:27 +00:00
Jakob Stoklund Olesen
3d2a2d1217 Remove more mayLoad workarounds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162556 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24 14:43:22 +00:00
Craig Topper
0e292376d0 Custom lower FMA intrinsics to target specific nodes and remove the patterns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162534 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24 04:03:22 +00:00
Richard Smith
aaf217953b Fix undefined behavior (negation of INT_MIN) in ARM backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162520 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24 00:35:46 +00:00
Jakob Stoklund Olesen
6211386799 Remove some spurious mayLoad = 0 flags.
They were inserted to silence TableGen's warning about
redundant properties. That warning is now gone.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162517 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24 00:31:20 +00:00
Jakob Stoklund Olesen
02c63803e5 Add missing SDNP properties on the flushw node.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162515 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24 00:31:13 +00:00
Jakob Stoklund Olesen
cfe8a9695b X86MemBarrier has unmodeled side effects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162514 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24 00:31:10 +00:00
Jakob Stoklund Olesen
91f3a6cfd9 Preserve operand flags in convertToThreeAddress() by copying operands.
No test case, this is a generalization of r160260.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162485 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23 22:36:31 +00:00
Craig Topper
9b54141cae Favor FMA3 over FMA4 if both are enabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162454 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23 18:14:30 +00:00
Craig Topper
8a5bc5ad90 Use a switch statement instead of a bunch of if-else checks and pull out the common function call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162428 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23 04:57:36 +00:00
Craig Topper
71eab96bfd Remove unused private field to silence build warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162426 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23 04:45:31 +00:00
Akira Hatanaka
fc4eafa0f4 Make function loadImmediate a member of MipsSEInstrInfo and change it to return
the temporary register that was used to load the immediate. Currently, it always
returns register $at, but this will change if, in the future, we decide to use 
another register.

No changes in functionality.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162417 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23 00:21:05 +00:00
Akira Hatanaka
91a35f03da Add a member of type Mips16InstrInfo/MipsSEInstrInfo to class
Mips16RegisterInfo/MipsSERegisterInfo. 

No changes in functionality.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162413 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22 23:58:53 +00:00
Chad Rosier
674101e6bb [ms-inline asm] Avoid a false positive assertion
Assertion failed: (Start.isValid() == End.isValid() && "Start and end should 
either both be valid or both be invalid!")

when parsing inline asm.  SMLoc assumes that the first char * in the source is
invalid.  However, when parsing an inline asm the mnemonic is at this location.
I don't want to change SMLoc, so use a trivial workaround.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162381 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22 19:14:29 +00:00
Benjamin Kramer
05d96f98cb Reduce duplicated hash map lookups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162362 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22 15:37:57 +00:00
Craig Topper
96601ca332 Add a getName function to MachineFunction. Use it in places that previously did getFunction()->getName(). Remove includes of Function.h that are no longer needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162347 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22 06:07:19 +00:00
Craig Topper
df8de92083 Don't cache the MBB in the class. Its only used by one function. Change a for loop over operands to use unsigned instead of int.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162344 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22 05:59:59 +00:00
Craig Topper
f7c4d26f77 Mark a function as static since it doesn't use anything in the class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162342 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22 05:36:44 +00:00
Akira Hatanaka
e7338cd550 Add register Mips::GP to the list of reserved registers if target is bare-metal
to prevent it from being clobbered. mips uses $gp to access small data section.

This bug was originally reported by Carl Norum.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162340 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22 03:18:13 +00:00
Akira Hatanaka
6522a9e04b Add option disable-mips-delay-filler. Turn on mips' delay slot filler by
default.

Patch by Carl Norum.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162339 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22 02:51:28 +00:00
Jack Carter
101771ba4d For mips64 switch statements in subroutines could generate
within the codegen EK_GPRel64BlockAddress. This was not 
supported for direct object output and resulted in an assertion.

This change adds support for EK_GPRel64BlockAddress for 
direct object.

One fallout from this is to turn on rela relocations 
for mips64 to match gas.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162334 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22 00:49:30 +00:00
Chad Rosier
6871d1eceb Add a few functions to TargetLibraryInfo as part of PR13574.
Patch by Weiming Zhao <weimingz@codeaurora.org>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162329 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21 23:28:56 +00:00
Richard Smith
fca01b5e2b Fix unaligned memory accesses when performing relocations in X86 JIT. There's
no cost to using memcpy here: the fixed code is optimized by LLVM to perfect
machine code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162311 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21 20:48:36 +00:00
Chad Rosier
b4fdadef51 [ms-inline asm] Do not report a Parser error when matching inline assembly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162306 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21 19:36:59 +00:00
Chad Rosier
64bfcbbc58 [ms-inline asm] Expose the ErrorInfo from the MatchInstructionImpl. In general,
this is the index of the operand that failed to match.

Note: This may cause a buildbot failure due to an API mismatch in clang.  Should
recover with my next commit to clang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162295 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21 18:14:59 +00:00
Craig Topper
4dea906e1a Fix up indentation and remove a couple else's after returns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162270 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21 08:29:51 +00:00
Craig Topper
a182367e59 Use uint16_t for tables of opcodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162267 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21 08:23:21 +00:00
Craig Topper
630e33a857 Fix up indentation. No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162264 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21 08:17:07 +00:00
Craig Topper
195f1b8a26 Add a couple llvm_unreachables. Add a message to several others.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162263 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21 08:16:16 +00:00
Craig Topper
cba48d8c05 Replace a break with llvm_unreachable in the default case of a nested switch. Condense code a bit. No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162261 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21 07:32:16 +00:00
Craig Topper
5f67d94697 Cleanup the scalar FMA3 definitions. Add patterns to fold loads with scalar forms.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162260 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21 07:11:11 +00:00
Craig Topper
e4b6189658 Merge FMA3 instructions with and without patterns into single classes using null_frag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162257 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21 05:56:45 +00:00
Jakob Stoklund Olesen
5379904807 Add a missing def flag.
*** Bad machine code: Explicit definition marked as use ***
- function:    test_cos
- basic block: BB#0 L.entry (0x7ff2a2024fd0)
- instruction: VSETLNi32 %D11, %D11<undef>, %R0, 0, pred:14, pred:%noreg, %Q5<imp-use,kill>, %Q5<imp-def>
- operand 0:   %D11

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162247 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21 00:34:53 +00:00
Jakob Stoklund Olesen
a0708d1109 Use a SmallPtrSet to dedup successors in EmitSjLjDispatchBlock.
The test case ARM/2011-05-04-MultipleLandingPadSuccs.ll was creating
duplicate successor list entries.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162222 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20 20:52:03 +00:00
Sebastian Pop
b72a939d8d fix HexagonSubtarget parsing of -mv flag
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162217 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20 19:56:47 +00:00
Michael Liao
24438b8359 fix a case where all operands of BUILD_VECTOR are undefined
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162214 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20 17:59:18 +00:00
Akira Hatanaka
b862f094b7 Fix coding style violations in 162135 and 162136.
Patch by Petar Jovanovic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162213 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20 17:53:24 +00:00
Craig Topper
75d8ad461f Remove FMA3 intrinsic instructions in favor of patterns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162194 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20 06:21:25 +00:00
Craig Topper
f4eb22a01c Use correct intrinsic for 256-bit VFMSUBADDPS.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162193 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20 06:03:04 +00:00
Craig Topper
8f9c7417b4 Remove trailing white space and tab characters. No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162192 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-19 23:37:46 +00:00
Nadav Rotem
d60cb11afd When unsafe math is used, we can use commutative FMAX and FMIN. In some cases
this allows for better code generation.

Added a new DAGCombine transformation to convert FMAX and FMIN to FMANC and
FMINC, which are commutative.

For example:

  movaps  %xmm0, %xmm1
  movsd LC(%rip), %xmm0
  minsd %xmm1, %xmm0

becomes:

  minsd LC(%rip), %xmm0




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162187 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-19 13:06:16 +00:00
Benjamin Kramer
51bfb0fe50 Fabs folding is implemented.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162186 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-19 09:51:44 +00:00
Jakob Stoklund Olesen
0a8f898000 Remove the CAND/COR/CXOR custom ISD nodes and their select code.
These nodes are no longer needed because the peephole pass can fold
CMOV+AND into ANDCC etc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162179 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-18 21:49:50 +00:00
Craig Topper
35fc62bf70 Remove virtual from many methods. These methods replace methods in the base class, but the base class methods aren't virtual so it just increased call overhead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162178 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-18 21:38:45 +00:00
Jakob Stoklund Olesen
864c8702ba Also combine zext/sext into selects for ARM.
This turns common i1 patterns into predicated instructions:

  (add (zext cc), x) -> (select cc (add x, 1), x)
  (add (sext cc), x) -> (select cc (add x, -1), x)

For a function like:

  unsigned f(unsigned s, int x) {
    return s + (x>0);
  }

We now produce:

  cmp r1, #0
  it  gt
  addgt.w r0, r0, #1

Instead of:

  movs  r2, #0
  cmp r1, #0
  it  gt
  movgt r2, #1
  add r0, r2

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162177 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-18 21:25:22 +00:00
Jakob Stoklund Olesen
dcd2342d32 Also pass logical ops to combineSelectAndUse.
Add these transformations to the existing add/sub ones:

  (and (select cc, -1, c), x) -> (select cc, x, (and, x, c))
  (or  (select cc, 0, c), x)  -> (select cc, x, (or, x, c))
  (xor (select cc, 0, c), x)  -> (select cc, x, (xor, x, c))

The selects can then be transformed to a single predicated instruction
by peephole.

This transformation will make it possible to eliminate the ISD::CAND,
COR, and CXOR custom DAG nodes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162176 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-18 21:25:16 +00:00
Nadav Rotem
b9d6b8449d Reapply r162160 with a fix: Optimize Arith->Trunc->SETCC sequence to allow better compare/branch code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162172 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-18 17:53:03 +00:00