1# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z10 -run-pass=finalize-isel -o - %s \ 2# RUN: | FileCheck %s 3# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z10 -passes=finalize-isel -o - %s \ 4# RUN: | FileCheck %s 5# 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. 9# 10# CHECK-LABEL: bb.0.entry: 11# CHECK-NOT: ZEXT128 12 13--- | 14 declare void @bar(i32) 15 define i32 @fun() { entry: ret i32 0 } 16--- 17name: fun 18tracksRegLiveness: true 19body: | 20 bb.0.entry: 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 24 %2:gr32bit = LHI 2 25 %3:gr32bit = LHI 8 26 %4:gr32bit = Select32 killed %3, killed %2, 14, 8, implicit $cc 27 %5:gr32bit = LHI 128 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 34 %12:gr64bit = LGHI 2 35 %13:gr64bit = LGHI 8 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 39 ADJCALLSTACKDOWN 0, 0 40 $r2d = COPY %14 41 CallBRASL @bar, $r2d, csr_systemz_elf, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc 42 ADJCALLSTACKUP 0, 0 43 $r2l = COPY %15 44 Return implicit $r2l 45 46... 47