4 Commits

Author SHA1 Message Date
Matt Arsenault d706d030af AMDGPU: Mark all unspecified CC functions in tests as amdgpu_kernel
Currently the default C calling convention functions are treated
the same as compute kernels. Make this explicit so the default
calling convention can be changed to a non-kernel.

Converted with perl -pi -e 's/define void/define amdgpu_kernel void/'
on the relevant test directories (and undoing in one place that actually
wanted a non-kernel).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298444 91177308-0d34-0410-b5e6-96231b3b80d8
2017-03-21 21:39:51 +00:00
Matt Arsenault 210095c5c9 LoadStoreVectorizer: Split even sized illegal chains properly
Implement isLegalToVectorizeLoadChain for AMDGPU to avoid
producing private address spaces accesses that will need to be
split up later. This was doing the wrong thing in the case
where the queried chain was an even number of elements.

A possible <4 x i32> store was being split into
store <2 x i32>
store i32
store i32

rather than
store <2 x i32>
store <2 x i32>

when legal.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@295933 91177308-0d34-0410-b5e6-96231b3b80d8
2017-02-23 03:58:53 +00:00
Tom Stellard a9c6165732 AMDGPU/SI: Don't allow unaligned scratch access
Summary: The hardware doesn't support this.

Reviewers: arsenm

Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, llvm-commits, tony-tye

Differential Revision: https://reviews.llvm.org/D25523

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@284257 91177308-0d34-0410-b5e6-96231b3b80d8
2016-10-14 18:10:39 +00:00
Matt Arsenault 7474f828e2 LSV: Fix incorrectly increasing alignment
If the unaligned access has a dynamic offset, it may be odd which
would make the adjusted alignment incorrect to use.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281110 91177308-0d34-0410-b5e6-96231b3b80d8
2016-09-09 22:20:14 +00:00