# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z10 -run-pass=finalize-isel -o - %s \ # RUN: | FileCheck %s # # Test that an instruction (ZEXT128) that uses custom insertion gets treated # correctly also when it lies between two Select instructions that could # potentially be handled together. # # CHECK-LABEL: bb.0.entry: # CHECK-NOT: ZEXT128 --- | declare void @bar(i32) define i32 @fun() { entry: ret i32 0 } --- name: fun tracksRegLiveness: true body: | bb.0.entry: %1:addr64bit = IMPLICIT_DEF %0:gr32bit = LLC %1, 0, $noreg :: (load 1 from `i8* undef`) CHI killed %0, 0, implicit-def $cc %2:gr32bit = LHI 2 %3:gr32bit = LHI 8 %4:gr32bit = Select32 killed %3, killed %2, 14, 8, implicit $cc %5:gr32bit = LHI 128 %7:gr64bit = IMPLICIT_DEF %6:gr64bit = INSERT_SUBREG %7, killed %5, %subreg.subreg_l32 %8:gr128bit = ZEXT128 killed %6 %10:addr64bit = IMPLICIT_DEF %9:gr128bit = DL %8, %10, 0, $noreg :: (load 4 from `i64* undef` + 4) %11:gr32bit = COPY %9.subreg_l32 %12:gr64bit = LGHI 2 %13:gr64bit = LGHI 8 %14:gr64bit = Select64 killed %13, killed %12, 14, 8, implicit $cc CR %4, %11, implicit-def $cc %15:gr32bit = Select32 %11, %4, 14, 4, implicit $cc ADJCALLSTACKDOWN 0, 0 $r2d = COPY %14 CallBRASL @bar, $r2d, csr_systemz, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc ADJCALLSTACKUP 0, 0 $r2l = COPY %15 Return implicit $r2l ...