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11 Commits

Author SHA1 Message Date
Matt Arsenault 4c7795dd31 AMDGPU: Fold rcp/rsq of undef to undef 
llvm-svn: 298725
 2017-03-24 19:04:57 +00:00
Matt Arsenault d81f557fe2 AMDGPU: Fold icmp/fcmp into icmp intrinsic 
The typical use is a library vote function which
compares to 0. Fold the user condition into the intrinsic.

llvm-svn: 297650
 2017-03-13 18:14:02 +00:00
Matt Arsenault cdb468c0f9 AMDGPU: Basic folds for fmed3 intrinsic 
Constant fold, canonicalize constants to RHS,
reduce to minnum/maxnum when inputs are nan/undef.

llvm-svn: 296409
 2017-02-27 23:08:49 +00:00
Matt Arsenault d4bca1e9ef AMDGPU: Replace disabled exp inputs with undef 
llvm-svn: 295914
 2017-02-23 00:44:03 +00:00
Matt Arsenault f5262256a1 AMDGPU: Add replacement bfe intrinsics 
llvm-svn: 295899
 2017-02-22 23:04:58 +00:00
Matt Arsenault 1f17c66890 AMDGPU: Add cvt.pkrtz intrinsic 
Convert llvm.SI.packf16 test uses

llvm-svn: 295797
 2017-02-22 00:27:34 +00:00
Matt Arsenault 3bdd75d01e InstCombine: Fold cos(-x) -> cos(x) 
Also cos(fabs(x)) -> cos(x)

llvm-svn: 291022
 2017-01-04 22:49:03 +00:00
Matt Arsenault 46a0382ab2 AMDGPU: Do basic folding of class intrinsic 
This allows more of the OCML builtin library to be
constant folded.

llvm-svn: 280586
 2016-09-03 07:06:58 +00:00
Matt Arsenault 2fe4fbc184 AMDGPU: Add frexp_exp intrinsic 
llvm-svn: 264944
 2016-03-30 22:28:52 +00:00
Matt Arsenault 5cd4f8f89f AMDGPU: Constant folding for frexp_mant 
llvm-svn: 264943
 2016-03-30 22:28:26 +00:00
Matt Arsenault bef34e21c7 AMDGPU: Rename intrinsics to use amdgcn prefix 
The intrinsic target prefix should match the target name
as it appears in the triple.

This is not yet complete, but gets most of the important ones.
llvm.AMDGPU.* intrinsics used by mesa and libclc are still handled
for compatability for now.

llvm-svn: 258557
 2016-01-22 21:30:34 +00:00