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Commit Graph

7 Commits

Author SHA1 Message Date
Tom Stellard
9943755afb AMDGPU/SI: Detect uniform branches and emit s_cbranch instructions
Reviewers: arsenm

Subscribers: mareko, MatzeB, qcolombet, arsenm, llvm-commits

Differential Revision: http://reviews.llvm.org/D16603

llvm-svn: 260765
2016-02-12 23:45:29 +00:00
Matt Arsenault
37f2de7107 AMDGPU: Set flat_scratch from flat_scratch_init reg
This was hardcoded to the static private size, but this
would be missing the offset and additional size for someday
when we have dynamic sizing.

Also stops always initializing flat_scratch even when unused.

In the future we should stop emitting this unless flat instructions
are used to access private memory. For example this will initialize
it almost always on VI because flat is used for global access.

llvm-svn: 260658
2016-02-12 06:31:30 +00:00
Matt Arsenault
e676b40286 AMDGPU: Remove some old intrinsic uses from tests
llvm-svn: 260493
2016-02-11 06:02:01 +00:00
Tom Stellard
687b1fc846 AMDGPU/SI: Fold operands through REG_SEQUENCE instructions
Summary:
This helps mostly when we use add instructions for address calculations
that contain immediates.

Reviewers: arsenm

Subscribers: arsenm, llvm-commits

Differential Revision: http://reviews.llvm.org/D12256

llvm-svn: 247157
2015-09-09 15:43:26 +00:00
Matt Arsenault
b7690a5199 AMDGPU: Assume SMRD access for constant address space
Since r243294 these are selected to SMRD and
moved later if required.

llvm-svn: 244354
2015-08-07 20:18:34 +00:00
Tom Stellard
836373703a AMDGPU/SI: Add VI patterns to select FLAT instructions for global memory ops
Summary:
The MUBUF addr64 bit has been removed on VI, so we must use FLAT
instructions when the pointer is stored in VGPRs.

Reviewers: arsenm

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D11067

llvm-svn: 242673
2015-07-20 14:28:41 +00:00
Tom Stellard
3f1708598e R600 -> AMDGPU rename
llvm-svn: 239657
2015-06-13 03:28:10 +00:00