Commit Graph

86 Commits

Author SHA1 Message Date
Matt Arsenault c996175b57 R600/SI: Custom lower f64 -> i64 conversions
llvm-svn: 219038
2014-10-03 23:54:56 +00:00
Matt Arsenault f7c95e3eda R600: Custom lower [s|u]int_to_fp for i64 -> f64
llvm-svn: 219037
2014-10-03 23:54:41 +00:00
Matt Arsenault 16e313343d R600: Custom lower frem
llvm-svn: 217553
2014-09-10 21:44:27 +00:00
Benjamin Kramer 8c90fd71f7 Add override to overriden virtual methods, remove virtual keywords.
No functionality change. Changes made by clang-tidy + some manual cleanup.

llvm-svn: 217028
2014-09-03 11:41:21 +00:00
Matt Arsenault 8675db15da R600/SI: Use mad for fsub + fmul
We can use a negate source modifier to match
this for fsub.

llvm-svn: 216735
2014-08-29 16:01:14 +00:00
Matt Arsenault 2e7cc48baa R600/SI: Add intrinsic for ldexp
llvm-svn: 215734
2014-08-15 17:30:25 +00:00
Benjamin Kramer a7c40ef022 Canonicalize header guards into a common format.
Add header guards to files that were missing guards. Remove #endif comments
as they don't seem common in LLVM (we can easily add them back if we decide
they're useful)

Changes made by clang-tidy with minor tweaks.

llvm-svn: 215558
2014-08-13 16:26:38 +00:00
Jan Vesely e5ca27d716 R600: Use optimized 24bit path in udivrem
v2: drop enum keyword
    use correct extension mode
    don't bother computing the sign in unsinged case

Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
llvm-svn: 215462
2014-08-12 17:31:20 +00:00
Jan Vesely e377a6b59a R600: Remove unused code.
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
llvm-svn: 215461
2014-08-12 17:31:19 +00:00
Jan Vesely 4a33bc6206 R600: Use i24 optimized path for SREM
v2: add tests
    rename LowerSDIV24 to LowerSDIVREM24
    handle the rem part in this function

Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
llvm-svn: 215460
2014-08-12 17:31:17 +00:00
Matt Arsenault 83e60581c3 R600: Add new functions for splitting vector loads and stores.
These will be used in future patches and shouldn't change anything yet.

llvm-svn: 213877
2014-07-24 17:10:35 +00:00
Tom Stellard b02094e115 R600/SI: Use scratch memory for large private arrays
llvm-svn: 213551
2014-07-21 15:45:01 +00:00
Tom Stellard 067c81567b R600/SI: Store constant initializer data in constant memory
This implements a solution for constant initializers suggested
by Vadim Girlin, where we store the data after the shader code
and then use the S_GETPC instruction to compute its address.

This saves use the trouble of creating a new buffer for constant data
and then having to pass the pointer to the kernel via user SGPRs or the
input buffer.

llvm-svn: 213530
2014-07-21 14:01:14 +00:00
Matt Arsenault ca3976f7ae R600: Add dag combine for copy of an illegal type.
This helps avoid redundant instructions to unpack, and repack
the vectors. Ideally we could recognize that pattern and eliminate
it. Currently v4i8 and other small element type vectors are scalarized,
so this has the added bonus of avoiding that.

llvm-svn: 213031
2014-07-15 02:06:31 +00:00
Matt Arsenault d0e0f0aea0 R600: Move mul combine to separate function
llvm-svn: 212052
2014-06-30 17:55:48 +00:00
Aaron Ballman 3c81e46b57 Silencing a warning about isZExtFree hiding an inherited virtual function. No functional change intended.
llvm-svn: 211783
2014-06-26 13:45:47 +00:00
Matt Arsenault 257d48d22c R600: Fix inconsistency in rsq instructions.
R600 was using a clamped version of rsq, but SI was not. Add a
new rsq_clamped intrinsic and use them consistently.

It's unclear to me from the documentation what behavior
the R600 instructions have, so I assume they have the legacy behavior
described by the SI documents. For R600, use RECIPSQRT_IEEE
for both llvm.AMDGPU.rsq.legacy and llvm.AMDGPU.rsq. R600 also
has RECIPSQRT_FF, which I'm not sure how it fits in here.

llvm-svn: 211637
2014-06-24 22:13:39 +00:00
Matt Arsenault d40b970616 R600: Remove DIV_INF
This corresponded to an amdil instruction which there is
a 2 instruction equivalent for.

llvm-svn: 211616
2014-06-24 17:42:16 +00:00
Matt Arsenault 1d555c4e91 R600: Remove AMDILISelLowering
llvm-svn: 211519
2014-06-23 18:00:55 +00:00
Jan Vesely 343cd6f056 R600: Use LowerSDIVREM for i64 node replace
v2: move div/rem node replacement to R600ISelLowering
    make lowerSDIVREM protected

Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
llvm-svn: 211478
2014-06-22 21:43:01 +00:00
Jan Vesely 109efdff6a R600: Implement custom SDIVREM.
Instead of separate SDIV/SREM. SDIV used UDIV which in turn used UDIVREM anyway.
SREM used SDIV(UDIV->UDIVREM)+MUL+SUB, using UDIVREM directly is more efficient.

v2: Don't use all caps names

Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
llvm-svn: 211477
2014-06-22 21:43:00 +00:00
Matt Arsenault a0050b0961 R600/SI: Add intrinsics for various math instructions.
These will be used for custom lowering and for library
implementations of various math functions, so it's useful
to expose these as builtins.

llvm-svn: 211247
2014-06-19 01:19:19 +00:00
Matt Arsenault 692bd5ec2f R600: Handle fnearbyint
The difference from rint isn't really relevant here,
so treat them as equivalent. OpenCL doesn't have nearbyint,
so this is sort of pointless other than for completeness.

llvm-svn: 211229
2014-06-18 22:03:45 +00:00
Matt Arsenault 43160e7af2 R600/SI: Add intrinsics for brev instructions
llvm-svn: 211187
2014-06-18 17:13:57 +00:00
Matt Arsenault 4601093267 R600: Implement f64 ftrunc, ffloor and fceil.
CI has instructions for these, so this fixes them for older hardware.

llvm-svn: 211183
2014-06-18 17:05:30 +00:00
Matt Arsenault e8208ec95b R600: Custom lower f64 frint for pre-CI
llvm-svn: 211182
2014-06-18 17:05:26 +00:00
Tom Stellard 880a80ad07 R600: Use LDS and vectors for private memory
llvm-svn: 211110
2014-06-17 16:53:14 +00:00
Matt Arsenault 14d4645e46 R600: Move / cleanup more leftover AMDIL stuff.
llvm-svn: 210998
2014-06-15 20:23:38 +00:00
Matt Arsenault 1578aa78d4 R600: Move division custom lowering out of AMDILISelLowering
llvm-svn: 210997
2014-06-15 20:08:02 +00:00
Matt Arsenault 66ee0816da R600: Remove dead code
llvm-svn: 210994
2014-06-15 19:48:13 +00:00
Matt Arsenault 5d47d4ac7e R600: Mostly remove remaining AMDIL intrinsics.
Delete all unused ones, and add new AMDGPU named intrinsics for
the ones that are. Handle the old AMDIL names for comptability (although
remove their GCCBuiltin names) and add tests since there weren't any
for these before.

llvm-svn: 210827
2014-06-12 21:15:44 +00:00
Matt Arsenault 364a6747aa R600/SI: Use v_cvt_f32_ubyte* instructions
This eliminates extra extract instructions when loading an i8 vector to
a float vector.

llvm-svn: 210666
2014-06-11 17:50:44 +00:00
Matt Arsenault c9df794042 R600: Add helper functions.
Extract these from some of my other patches, since this
is the only thing really making them dependent on each other.

llvm-svn: 210627
2014-06-11 03:29:54 +00:00
Matt Arsenault bf8694d36d R600: Implement ComputeNumSignBitsForTargetNode for BFE
llvm-svn: 209460
2014-05-22 18:09:03 +00:00
Matt Arsenault eb260206c3 R600: Add intrinsics for mad24
llvm-svn: 209456
2014-05-22 18:00:15 +00:00
Matt Arsenault 0a3b8f5507 Remove unused method declaration
llvm-svn: 209174
2014-05-19 22:55:35 +00:00
Jay Foad a0653a3e6c Rename ComputeMaskedBits to computeKnownBits. "Masked" has been
inappropriate since it lost its Mask parameter in r154011.

llvm-svn: 208811
2014-05-14 21:14:37 +00:00
Tom Stellard afa8b532b1 R600: Move MIN/MAX matching from LowerOperation() to PerformDAGCombine()
llvm-svn: 208429
2014-05-09 16:42:16 +00:00
Craig Topper 5656db4a8b [C++11] Add 'override' keywords and remove 'virtual'. Additionally add 'final' and leave 'virtual' on some methods that are marked virtual without overriding anything and have no obvious overrides themselves. R600 edition
llvm-svn: 207503
2014-04-29 07:57:24 +00:00
Matt Arsenault 16353871c3 R600: Emit error instead of unreachable on function call
llvm-svn: 206904
2014-04-22 16:42:00 +00:00
Matt Arsenault 209a7b92b5 R600: Minor cleanups.
Fix indentation, better line wrapping, unused includes.

llvm-svn: 206562
2014-04-18 07:40:20 +00:00
Matt Arsenault 9ec3cf2c8a Move ExtractVectorElements to SelectionDAG.
This seems generally useful, and makes sense to
go along with SplitVector.

llvm-svn: 206041
2014-04-11 17:47:30 +00:00
Tom Stellard 50122a5890 R600: Match 24-bit arithmetic patterns in a Target DAGCombine
Moving these patterns from TableGen files to PerformDAGCombine()
should allow us to generate better code by eliminating unnecessary
shifts and extensions earlier.

This also fixes a bug where the MAD pattern was calling
SimplifyDemandedBits with a 24-bit mask on the first operand
even when the full pattern wasn't being matched.  This occasionally
resulted in some instructions being incorrectly deleted from the
program.

v2:
  - Fix bug with 64-bit mul

llvm-svn: 205731
2014-04-07 19:45:41 +00:00
Matt Arsenault b34583661b R600: Add target nodes for BFM and BFI
llvm-svn: 205235
2014-03-31 18:21:13 +00:00
Matt Arsenault b517c8128e R600: Implement isZExtFree.
This allows 64-bit operations that are truncated to be reduced
to 32-bit ones.

llvm-svn: 204946
2014-03-27 17:23:31 +00:00
Matt Arsenault d125d74a73 R600/SI: Fix unreachable with a sext_in_reg to an illegal type.
llvm-svn: 204945
2014-03-27 17:23:24 +00:00
Matt Arsenault 0c274feedf R600: Move computeMaskedBitsForTargetNode out of AMDILISelLowering.cpp
Remove handling of select_cc, since it makes no sense to be there. This
now does nothing, but I'll be adding some handling of other target nodes
soon.

llvm-svn: 204743
2014-03-25 18:18:27 +00:00
Matt Arsenault a7f1e0c44f R600: Implement isNarrowingProfitable.
llvm-svn: 204658
2014-03-24 19:43:31 +00:00
Matt Arsenault fae02989b7 R600: Match sign_extend_inreg to BFE instructions
llvm-svn: 204072
2014-03-17 18:58:11 +00:00
Craig Topper 73156025e0 Switch all uses of LLVM_OVERRIDE to just use 'override' directly.
llvm-svn: 202621
2014-03-02 09:09:27 +00:00