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 1 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 4 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, 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