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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
# RUN: llc -mtriple=x86_64-- -run-pass=greedy -verify-regalloc -stress-regalloc=2 -o - %s | FileCheck %s
# Test verifier error which happened after 8476a5d480304 during
# rematerialization.
---
name: remat_regclass_verifier_error
tracksRegLiveness: true
body: |
bb.0:
liveins: $rax, $rbx, $rcx, $rdi
; CHECK-LABEL: name: remat_regclass_verifier_error
; CHECK: liveins: $rax, $rbx, $rcx, $rdi
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: dead [[COPY:%[0-9]+]]:gr64 = COPY $rax
; CHECK-NEXT: dead [[COPY1:%[0-9]+]]:gr64 = COPY $rbx
; CHECK-NEXT: [[COPY2:%[0-9]+]]:gr64 = COPY $rcx
; CHECK-NEXT: MOV64mr %stack.0, 1, $noreg, 0, $noreg, [[COPY2]] :: (store (s64) into %stack.0)
; CHECK-NEXT: [[COPY3:%[0-9]+]]:gr64 = COPY $rdi
; CHECK-NEXT: undef [[MOV32r0_:%[0-9]+]].sub_32bit:gr64_with_sub_8bit = MOV32r0 implicit-def dead $eflags
; CHECK-NEXT: dead [[COPY3:%[0-9]+]]:gr64 = CMOV64rr [[COPY3]], [[MOV32r0_]], 10, implicit undef $eflags
; CHECK-NEXT: undef [[MOV32r0_1:%[0-9]+]].sub_32bit:gr64_with_sub_8bit = MOV32r0 implicit-def dead $eflags
; CHECK-NEXT: [[MOV64rm:%[0-9]+]]:gr64 = MOV64rm %stack.0, 1, $noreg, 0, $noreg :: (load (s64) from %stack.0)
; CHECK-NEXT: [[MOV64rm:%[0-9]+]]:gr64 = CMOV64rr [[MOV64rm]], [[MOV32r0_1]], 10, implicit undef $eflags
; CHECK-NEXT: dead [[COPY4:%[0-9]+]]:gr64 = COPY $rdi
; CHECK-NEXT: undef [[MOV32r0_2:%[0-9]+]].sub_32bit:gr64_with_sub_8bit = MOV32r0 implicit-def dead $eflags
; CHECK-NEXT: [[CMOV64rr:%[0-9]+]]:gr64 = CMOV64rr [[MOV64rm]], [[MOV32r0_2]], 10, implicit undef $eflags
; CHECK-NEXT: $rax = COPY [[CMOV64rr]]
; CHECK-NEXT: RET 0, $rax
%0:gr64 = COPY $rax
%1:gr64 = COPY $rbx
undef %2.sub_32bit:gr64_with_sub_8bit = MOV32r0 implicit-def dead $eflags
%0:gr64 = COPY $rcx
%1:gr64 = COPY %0
%0:gr64 = COPY $rdi
%0:gr64 = CMOV64rr %0, %2, 10, implicit undef $eflags
%1:gr64 = CMOV64rr %1, %2, 10, implicit undef $eflags
%3:gr64 = COPY $rdi
%3:gr64 = CMOV64rr %1, %2, 10, implicit undef $eflags
$rax = COPY %3
RET 0, killed $rax
...
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