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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=riscv64 -mattr=+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
...
|
