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| # 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
|