1# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z10 -run-pass=finalize-isel -o - %s \
2# RUN:   | FileCheck %s
3#
4# Test that an instruction (ZEXT128) that uses custom insertion gets treated
5# correctly also when it lies between two Select instructions that could
6# potentially be handled together.
7#
8# CHECK-LABEL: bb.0.entry:
9# CHECK-NOT: ZEXT128
10
11--- |
12  declare void @bar(i32)
13  define i32 @fun() { entry: ret i32 0 }
14---
15name:            fun
16tracksRegLiveness: true
17body:             |
18  bb.0.entry:
19    %1:addr64bit = IMPLICIT_DEF
20    %0:gr32bit = LLC %1, 0, $noreg :: (load (s8) from `i8* undef`)
21    CHI killed %0, 0, implicit-def $cc
22    %2:gr32bit = LHI 2
23    %3:gr32bit = LHI 8
24    %4:gr32bit = Select32 killed %3, killed %2, 14, 8, implicit $cc
25    %5:gr32bit = LHI 128
26    %7:gr64bit = IMPLICIT_DEF
27    %6:gr64bit = INSERT_SUBREG %7, killed %5, %subreg.subreg_l32
28    %8:gr128bit = ZEXT128 killed %6
29    %10:addr64bit = IMPLICIT_DEF
30    %9:gr128bit = DL %8, %10, 0, $noreg :: (load (s32) from `i64* undef` + 4)
31    %11:gr32bit = COPY %9.subreg_l32
32    %12:gr64bit = LGHI 2
33    %13:gr64bit = LGHI 8
34    %14:gr64bit = Select64 killed %13, killed %12, 14, 8, implicit $cc
35    CR %4, %11, implicit-def $cc
36    %15:gr32bit = Select32 %11, %4, 14, 4, implicit $cc
37    ADJCALLSTACKDOWN 0, 0
38    $r2d = COPY %14
39    CallBRASL @bar, $r2d, csr_systemz_elf, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc
40    ADJCALLSTACKUP 0, 0
41    $r2l = COPY %15
42    Return implicit $r2l
43
44...
45