regbankselect-illegal-copy.mir
535 Bytes
# RUN: not --crash llc -march=amdgcn -run-pass=regbankselect -regbankselect-fast %s -o /dev/null 2>&1 | FileCheck %s
# RUN: not --crash llc -march=amdgcn -run-pass=regbankselect -regbankselect-greedy %s -o /dev/null 2>&1 | FileCheck %s
# Check behavior for illegal copies.
# CHECK: LLVM ERROR: unable to map instruction: $sgpr0 = COPY %0:vgpr(s32) (in function: illegal_copy_s32_v_to_s)
---
name: illegal_copy_s32_v_to_s
legalized: true
body: |
bb.0:
liveins: $vgpr0
%0:_(s32) = COPY $vgpr0
$sgpr0 = COPY %0
...