bug47278.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=i386-unknown-linux-musl -verify-machineinstrs -run-pass=regallocfast -o - %s | FileCheck %s
# Make sure this case doesn't assert or try to assign $ecx to %1 on
# SHRD32rrCL
---
name: foo
tracksRegLiveness: true
body: |
bb.0:
; CHECK-LABEL: name: foo
; CHECK: renamable $eax = IMPLICIT_DEF
; CHECK: renamable $edx = MOVZX32rm8 renamable $eax, 1, $noreg, 0, $noreg :: (load 1 from `i168* undef` + 20, align 16)
; CHECK: dead renamable $ecx = MOV32rm renamable $eax, 1, $noreg, 0, $noreg :: (load 4 from `i168* undef` + 12, align 16)
; CHECK: renamable $al = MOV8rm killed renamable $eax, 1, $noreg, 0, $noreg :: (load 1 from `i32* undef`, align 4)
; CHECK: dead renamable $ecx = COPY renamable $edx
; CHECK: dead renamable $ecx = COPY renamable $edx
; CHECK: dead renamable $ecx = COPY renamable $edx
; CHECK: renamable $esi = IMPLICIT_DEF
; CHECK: renamable $ecx = IMPLICIT_DEF
; CHECK: renamable $ecx = CMOV32rr renamable $ecx, killed renamable $esi, 2, implicit undef $eflags
; CHECK: renamable $cl = MOV8ri -128
; CHECK: $cl = IMPLICIT_DEF
; CHECK: renamable $eax = COPY renamable $edx
; CHECK: dead renamable $eax = SHRD32rrCL renamable $eax, killed renamable $edx, implicit-def dead $eflags, implicit killed $cl
; CHECK: RETL
%0:gr32 = IMPLICIT_DEF
%1:gr32 = MOVZX32rm8 %0, 1, $noreg, 0, $noreg :: (load 1 from `i168* undef` + 20, align 16)
%2:gr32 = MOV32rm %0, 1, $noreg, 0, $noreg :: (load 4 from `i168* undef` + 12, align 16)
%3:gr8 = MOV8rm %0, 1, $noreg, 0, $noreg :: (load 1 from `i32* undef`, align 4)
%4:gr32 = COPY %1
%5:gr32 = COPY %1
%6:gr32 = COPY %1
%7:gr32 = IMPLICIT_DEF
%8:gr32 = IMPLICIT_DEF
%8:gr32 = CMOV32rr %8, killed %7, 2, implicit undef $eflags
%9:gr8 = MOV8ri -128
%9:gr8 = COPY %3
$cl = IMPLICIT_DEF
%8:gr32 = COPY %1
%8:gr32 = SHRD32rrCL %8, %1, implicit-def dead $eflags, implicit $cl
RETL
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