| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -march=riscv64 -mattr=+experimental-v -run-pass=simple-register-coalescing %s -o - 2>&1 | FileCheck %s |
| |
| # This test used to crash in the register coalescer when the target would |
| # return the out-of-bounds CommuteAnyOperandIndex for one of its commutable |
| # operand indices. |
| |
| --- | |
| target triple = "riscv64" |
| target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128" |
| |
| define void @commuted_op_indices() { |
| unreachable |
| } |
| ... |
| --- |
| name: commuted_op_indices |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: vr, preferred-register: '' } |
| - { id: 1, class: vrnov0, preferred-register: '' } |
| - { id: 2, class: vrnov0, preferred-register: '' } |
| - { id: 3, class: vr, preferred-register: '' } |
| body: | |
| bb.0: |
| liveins: $v0, $v1, $v2 |
| ; CHECK-LABEL: name: commuted_op_indices |
| ; CHECK: liveins: $v0, $v1, $v2 |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: [[COPY:%[0-9]+]]:vr = COPY $v0 |
| ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vrnov0 = COPY $v1 |
| ; CHECK-NEXT: [[COPY2:%[0-9]+]]:vrnov0 = COPY $v2 |
| ; CHECK-NEXT: [[PseudoVNMSUB_VV_M1_:%[0-9]+]]:vr = PseudoVNMSUB_VV_M1 [[PseudoVNMSUB_VV_M1_]], [[COPY1]], [[COPY2]], -1, 6, 1, implicit $vl, implicit $vtype |
| ; CHECK-NEXT: [[COPY2:%[0-9]+]]:vr = COPY [[PseudoVNMSUB_VV_M1_]] |
| ; CHECK-NEXT: dead [[COPY2]]:vr = PseudoVSLL_VI_M1 [[COPY2]], 11, $noreg, 6, implicit $vl, implicit $vtype |
| ; CHECK-NEXT: $v0 = COPY [[PseudoVNMSUB_VV_M1_]] |
| ; CHECK-NEXT: PseudoRET implicit $v0 |
| %0:vr = COPY $v0 |
| %1:vrnov0 = COPY $v1 |
| %2:vrnov0 = COPY $v2 |
| %0:vr = PseudoVNMSUB_VV_M1 %0, %1, killed %2, -1, 6, 1, implicit $vl, implicit $vtype |
| %3:vr = COPY %0 |
| %3:vr = PseudoVSLL_VI_M1 %3, 11, $noreg, 6, implicit $vl, implicit $vtype |
| $v0 = COPY %0 |
| PseudoRET implicit $v0 |
| ... |