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Commit Graph

4 Commits

Author SHA1 Message Date
Jingyue Wu
e77f591f30 [NVPTX] Make the alignment an explicit argument to ldu/ldg
Summary:
Instead of specifying the alignment as metadata which may be destroyed by
transformation passes, make the alignment the second argument to ldu/ldg
intrinsic calls.

Test Plan:
ldu-ldg.ll
ldu-i8.ll
ldu-reg-plus-offset.ll

Reviewers: eliben, meheff, jholewinski

Reviewed By: meheff, jholewinski

Subscribers: jholewinski, llvm-commits

Differential Revision: http://reviews.llvm.org/D5093

llvm-svn: 216731
2014-08-29 15:30:20 +00:00
Justin Holewinski
0ed0e4b150 [NVPTX] Fix handling of ldg/ldu intrinsics.
The address space of the pointer must be global (1) for these intrinsics.  There must also be alignment metadata attached to the intrinsic calls, e.g.

%val = tail call i32 @llvm.nvvm.ldu.i.global.i32.p1i32(i32 addrspace(1)* %ptr), !align !0

!0 = metadata !{i32 4}

llvm-svn: 211939
2014-06-27 18:35:51 +00:00
Stephen Lin
3ae734a60c Convert CodeGen/*/*.ll tests to use the new CHECK-LABEL for easier debugging. No functionality change and all tests pass after conversion.
This was done with the following sed invocation to catch label lines demarking function boundaries:
    sed -i '' "s/^;\( *\)\([A-Z0-9_]*\):\( *\)test\([A-Za-z0-9_-]*\):\( *\)$/;\1\2-LABEL:\3test\4:\5/g" test/CodeGen/*/*.ll
which was written conservatively to avoid false positives rather than false negatives. I scanned through all the changes and everything looks correct.

llvm-svn: 186258
2013-07-13 20:38:47 +00:00
Justin Holewinski
46d3cad4d8 [NVPTX] Add isel patterns for [reg+offset] form of ldg/ldu.
llvm-svn: 185329
2013-07-01 12:58:52 +00:00