# RUN: llc -verify-machineinstrs -O1 -mtriple=s390x-ibm-linux -o - %s -run-pass=branch-folder | FileCheck %s --- | target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-a:8:16-n32:64" target triple = "s390x-ibm-linux" @b = external global i16, align 1 @d = external global i16, align 1 define void @f1() { ret void } ... --- name: f1 tracksRegLiveness: true body: | bb.0: successors: %bb.2(0x7fffffff), %bb.1(0x00000001) liveins: renamable $r1d = LGRL @b :: (load 4 from got, align 8) renamable $r1l = LH killed renamable $r1d, 0, $noreg, implicit-def $r1d :: (dereferenceable load 1 from @b) renamable $r2l = LHI 0 renamable $r3d = LGRL @d :: (load 4 from got, align 8) renamable $r4d = LLILL 0, implicit-def $r4q CHI killed renamable $r2l, 0, implicit-def $cc BRC 14, 6, %bb.2, implicit killed $cc J %bb.1 bb.1: successors: liveins: $r1l, $r3d, $r4q renamable $r4d = COPY killed renamable $r4d, implicit killed $r4q STH renamable $r1l, killed renamable $r3d, 0, $noreg, implicit killed $r4d :: (store 1 into @d) bb.2: liveins: $r1l, $r3d, $r4q renamable $r4d = COPY killed renamable $r4d, implicit killed $r4q STH renamable $r1l, killed renamable $r3d, 0, $noreg, implicit killed $r4d :: (store 1 into @d) Return ... # CHECK: renamable $r4d = COPY killed renamable $r4d, implicit killed $r4q # CHECK-NEXT: CHI killed renamable $r2l, 0, implicit-def $cc # CHECK-NEXT: BRC 14, 6, %bb.2, implicit killed $cc # CHECK-NEXT: {{^ $}} # CHECK-NEXT: bb.1: # CHECK-NEXT: successors: # CHECK-NEXT: liveins: $r1l, $r3d, $r4d # CHECK: bb.2: # CHECK-NEXT: liveins: $r1l, $r3d, $r4d