diff options
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 +... |