1 # RUN: llc -mtriple=s390x-linux-gnu -mcpu=z10 -run-pass=finalize-isel -o - %s \
3 # RUN: llc -mtriple=s390x-linux-gnu -mcpu=z10 -passes=finalize-isel -o - %s \
6 # Test that an instruction (ZEXT128) that uses custom insertion gets treated
7 # correctly also when it lies between two Select instructions that could
8 # potentially be handled together.
10 # CHECK-LABEL: bb.0.entry:
14 declare void @bar(i32)
15 define i32 @fun() { entry: ret i32 0 }
18 tracksRegLiveness: true
21 %1:addr64bit = IMPLICIT_DEF
22 %0:gr32bit = LLC %1, 0, $noreg :: (load (s8) from `ptr undef`)
23 CHI killed %0, 0, implicit-def $cc
26 %4:gr32bit = Select32 killed %3, killed %2, 14, 8, implicit $cc
28 %7:gr64bit = IMPLICIT_DEF
29 %6:gr64bit = INSERT_SUBREG %7, killed %5, %subreg.subreg_l32
30 %8:gr128bit = ZEXT128 killed %6
31 %10:addr64bit = IMPLICIT_DEF
32 %9:gr128bit = DL %8, %10, 0, $noreg :: (load (s32) from `ptr undef` + 4)
33 %11:gr32bit = COPY %9.subreg_l32
36 %14:gr64bit = Select64 killed %13, killed %12, 14, 8, implicit $cc
37 CR %4, %11, implicit-def $cc
38 %15:gr32bit = Select32 %11, %4, 14, 4, implicit $cc
41 CallBRASL @bar, $r2d, csr_systemz_elf, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc