| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5 |
| # RUN: llc -mtriple=x86_64-- -mattr=+avx2 -run-pass=peephole-opt -o - %s | FileCheck %s |
| |
| # When trying to coalesce the operand of VMOVSDto64rr, a query would |
| # be made with the same register class but the source has a |
| # subregister and the result does not. |
| --- |
| name: uncoalescable_copy_queries_same_regclass_with_only_one_subreg |
| tracksRegLiveness: true |
| isSSA: true |
| body: | |
| bb.0: |
| liveins: $rax |
| |
| ; CHECK-LABEL: name: uncoalescable_copy_queries_same_regclass_with_only_one_subreg |
| ; CHECK: liveins: $rax |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: [[COPY:%[0-9]+]]:gr64 = COPY $rax |
| ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vr128 = COPY [[COPY]].sub_32bit |
| ; CHECK-NEXT: [[VMOVSDto64rr:%[0-9]+]]:gr64 = VMOVSDto64rr [[COPY1]] |
| ; CHECK-NEXT: RET 0, implicit [[VMOVSDto64rr]] |
| %0:gr64 = COPY $rax |
| %1:vr128 = COPY %0.sub_32bit |
| %2:gr64 = VMOVSDto64rr %1 |
| RET 0, implicit %2 |
| |
| ... |
