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| author | Dimitry Andric <dim@FreeBSD.org> | 2017-04-16 16:01:22 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-04-16 16:01:22 +0000 |
| commit | 71d5a2540a98c81f5bcaeb48805e0e2881f530ef (patch) | |
| tree | 5343938942df402b49ec7300a1c25a2d4ccd5821 /test/CodeGen/AMDGPU/subreg_interference.mir | |
| parent | 31bbf64f3a4974a2d6c8b3b27ad2f519caf74057 (diff) | |
Notes
Diffstat (limited to 'test/CodeGen/AMDGPU/subreg_interference.mir')
| -rw-r--r-- | test/CodeGen/AMDGPU/subreg_interference.mir | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/subreg_interference.mir b/test/CodeGen/AMDGPU/subreg_interference.mir new file mode 100644 index 000000000000..24d06a576c2a --- /dev/null +++ b/test/CodeGen/AMDGPU/subreg_interference.mir @@ -0,0 +1,24 @@ +# RUN: llc -o - %s -mtriple=amdgcn--amdhsa -verify-machineinstrs -run-pass=greedy,virtregrewriter | FileCheck %s +--- +# We should not detect any interference between v0/v1 here and only allocate +# sgpr0-sgpr3. +# +# CHECK-LABEL: func0 +# CHECK: S_NOP 0, implicit-def %sgpr0 +# CHECK: S_NOP 0, implicit-def %sgpr3 +# CHECK: S_NOP 0, implicit-def %sgpr1 +# CHECK: S_NOP 0, implicit-def %sgpr2 +# CHECK: S_NOP 0, implicit %sgpr0, implicit %sgpr3 +# CHECK: S_NOP 0, implicit %sgpr1, implicit %sgpr2 +name: func0 +body: | + bb.0: + S_NOP 0, implicit-def undef %0.sub0 : sreg_128 + S_NOP 0, implicit-def %0.sub3 + S_NOP 0, implicit-def undef %1.sub1 : sreg_128 + S_NOP 0, implicit-def %1.sub2 + + + S_NOP 0, implicit %0.sub0, implicit %0.sub3 + S_NOP 0, implicit %1.sub1, implicit %1.sub2 +... |