1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2# RUN: llc -mtriple=riscv64 -mattr=+v -run-pass=register-coalescer %s -o - 2>&1 | FileCheck %s 3 4# This test used to crash in the register coalescer when the target would 5# return the out-of-bounds CommuteAnyOperandIndex for one of its commutable 6# operand indices. 7 8--- | 9 target triple = "riscv64" 10 target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128" 11 12 define void @commuted_op_indices() { 13 unreachable 14 } 15... 16--- 17name: commuted_op_indices 18tracksRegLiveness: true 19registers: 20 - { id: 0, class: vr, preferred-register: '' } 21 - { id: 1, class: vrnov0, preferred-register: '' } 22 - { id: 2, class: vrnov0, preferred-register: '' } 23 - { id: 3, class: vr, preferred-register: '' } 24body: | 25 bb.0: 26 liveins: $v0, $v1, $v2 27 ; CHECK-LABEL: name: commuted_op_indices 28 ; CHECK: liveins: $v0, $v1, $v2 29 ; CHECK-NEXT: {{ $}} 30 ; CHECK-NEXT: [[COPY:%[0-9]+]]:vr = COPY $v0 31 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vrnov0 = COPY $v1 32 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:vrnov0 = COPY $v2 33 ; CHECK-NEXT: [[PseudoVNMSUB_VV_M1_:%[0-9]+]]:vr = PseudoVNMSUB_VV_M1 [[PseudoVNMSUB_VV_M1_]], [[COPY1]], [[COPY2]], -1, 6 /* e64 */, 1 /* ta, mu */, implicit $vl, implicit $vtype 34 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:vr = COPY [[PseudoVNMSUB_VV_M1_]] 35 ; CHECK-NEXT: dead [[PseudoVSLL_VI_M1_:%[0-9]+]]:vr = PseudoVSLL_VI_M1 undef [[PseudoVSLL_VI_M1_]], [[PseudoVSLL_VI_M1_]], 11, $noreg, 6 /* e64 */, 0 /* tu, mu */, implicit $vl, implicit $vtype 36 ; CHECK-NEXT: $v0 = COPY [[PseudoVNMSUB_VV_M1_]] 37 ; CHECK-NEXT: PseudoRET implicit $v0 38 %0:vr = COPY $v0 39 %1:vrnov0 = COPY $v1 40 %2:vrnov0 = COPY $v2 41 %0:vr = PseudoVNMSUB_VV_M1 %0, %1, killed %2, -1, 6, 1, implicit $vl, implicit $vtype 42 %3:vr = COPY %0 43 %3:vr = PseudoVSLL_VI_M1 undef %3, %3, 11, $noreg, 6, 0, implicit $vl, implicit $vtype 44 $v0 = COPY %0 45 PseudoRET implicit $v0 46... 47