1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -mtriple=i386-unknown-linux-musl -verify-machineinstrs -run-pass=regallocfast -o -  %s | FileCheck %s
3
4# Make sure this case doesn't assert or try to assign $ecx to %1 on
5# SHRD32rrCL
6
7---
8name:            foo
9tracksRegLiveness: true
10body:             |
11  bb.0:
12    ; CHECK-LABEL: name: foo
13    ; CHECK: renamable $eax = IMPLICIT_DEF
14    ; CHECK: renamable $edx = MOVZX32rm8 renamable $eax, 1, $noreg, 0, $noreg :: (load 1 from `i168* undef` + 20, align 16)
15    ; CHECK: dead renamable $ecx = MOV32rm renamable $eax, 1, $noreg, 0, $noreg :: (load 4 from `i168* undef` + 12, align 16)
16    ; CHECK: renamable $al = MOV8rm killed renamable $eax, 1, $noreg, 0, $noreg :: (load 1 from `i32* undef`, align 4)
17    ; CHECK: dead renamable $ecx = COPY renamable $edx
18    ; CHECK: dead renamable $ecx = COPY renamable $edx
19    ; CHECK: dead renamable $ecx = COPY renamable $edx
20    ; CHECK: renamable $esi = IMPLICIT_DEF
21    ; CHECK: renamable $ecx = IMPLICIT_DEF
22    ; CHECK: renamable $ecx = CMOV32rr renamable $ecx, killed renamable $esi, 2, implicit undef $eflags
23    ; CHECK: renamable $cl = MOV8ri -128
24    ; CHECK: $cl = IMPLICIT_DEF
25    ; CHECK: renamable $eax = COPY renamable $edx
26    ; CHECK: dead renamable $eax = SHRD32rrCL renamable $eax, killed renamable $edx, implicit-def dead $eflags, implicit killed $cl
27    ; CHECK: RETL
28    %0:gr32 = IMPLICIT_DEF
29    %1:gr32 = MOVZX32rm8 %0, 1, $noreg, 0, $noreg :: (load 1 from `i168* undef` + 20, align 16)
30    %2:gr32 = MOV32rm %0, 1, $noreg, 0, $noreg :: (load 4 from `i168* undef` + 12, align 16)
31    %3:gr8 = MOV8rm %0, 1, $noreg, 0, $noreg :: (load 1 from `i32* undef`, align 4)
32    %4:gr32 = COPY %1
33    %5:gr32 = COPY %1
34    %6:gr32 = COPY %1
35    %7:gr32 = IMPLICIT_DEF
36    %8:gr32 = IMPLICIT_DEF
37    %8:gr32 = CMOV32rr %8, killed %7, 2, implicit undef $eflags
38    %9:gr8 = MOV8ri -128
39    %9:gr8 = COPY %3
40    $cl = IMPLICIT_DEF
41    %8:gr32 = COPY %1
42    %8:gr32 = SHRD32rrCL %8, %1, implicit-def dead $eflags, implicit $cl
43    RETL
44
45...
46