1 # RUN: llc -o - %s -mtriple=amdgcn--amdhsa -verify-machineinstrs -run-pass=greedy,virtregrewriter | FileCheck %s 2 --- | 3 4 define amdgpu_kernel void @func0() { 5 ret void 6 } 7 8 ... 9 10 --- 11 # We should not detect any interference between v0/v1 here and only allocate 12 # sgpr0-sgpr3. 13 # 14 # CHECK-LABEL: func0 15 # CHECK: S_NOP 0, implicit-def renamable $sgpr0 16 # CHECK: S_NOP 0, implicit-def renamable $sgpr3 17 # CHECK: S_NOP 0, implicit-def renamable $sgpr1 18 # CHECK: S_NOP 0, implicit-def renamable $sgpr2 19 # CHECK: S_NOP 0, implicit renamable $sgpr0, implicit renamable $sgpr3 20 # CHECK: S_NOP 0, implicit renamable $sgpr1, implicit renamable $sgpr2 21 name: func0 22 body: | 23 bb.0: 24 S_NOP 0, implicit-def undef %0.sub0 : sreg_128 25 S_NOP 0, implicit-def %0.sub3 26 S_NOP 0, implicit-def undef %1.sub1 : sreg_128 27 S_NOP 0, implicit-def %1.sub2 28 29 30 S_NOP 0, implicit %0.sub0, implicit %0.sub3 31 S_NOP 0, implicit %1.sub1, implicit %1.sub2 32 ... 33
