AMDGPU: Move mir tests into mir test directory

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288262 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/AMDGPU/coalescer-subreg-join.mir b/test/CodeGen/MIR/AMDGPU/coalescer-subreg-join.mir
similarity index 100%
rename from test/CodeGen/AMDGPU/coalescer-subreg-join.mir
rename to test/CodeGen/MIR/AMDGPU/coalescer-subreg-join.mir

diff --git a/test/CodeGen/AMDGPU/detect-dead-lanes.mir b/test/CodeGen/MIR/AMDGPU/detect-dead-lanes.mir
similarity index 100%
rename from test/CodeGen/AMDGPU/detect-dead-lanes.mir
rename to test/CodeGen/MIR/AMDGPU/detect-dead-lanes.mir

diff --git a/test/CodeGen/AMDGPU/liveness.mir b/test/CodeGen/MIR/AMDGPU/liveness.mir
similarity index 100%
rename from test/CodeGen/AMDGPU/liveness.mir
rename to test/CodeGen/MIR/AMDGPU/liveness.mir

diff --git a/test/CodeGen/AMDGPU/rename-independent-subregs.mir b/test/CodeGen/MIR/AMDGPU/rename-independent-subregs.mir
similarity index 100%
rename from test/CodeGen/AMDGPU/rename-independent-subregs.mir
rename to test/CodeGen/MIR/AMDGPU/rename-independent-subregs.mir

diff --git a/test/CodeGen/AMDGPU/subreg-intervals.mir b/test/CodeGen/MIR/AMDGPU/subreg-intervals.mir
similarity index 100%
rename from test/CodeGen/AMDGPU/subreg-intervals.mir
rename to test/CodeGen/MIR/AMDGPU/subreg-intervals.mir