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; Check that modelling of CC/CCRegs does not stop MachineCSE from
; removing a compare. MachineCSE will not extend a live range of an
; allocatable or reserved phys reg.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
declare void @bar(i8)
; Check the low end of the CH range.
define void @f1(i32 %lhs) {
; CHECK-LABEL: BB#1:
; CHECK-NOT: cijlh %r0, 1, .LBB0_3
entry:
%and188 = and i32 %lhs, 255
%cmp189 = icmp ult i32 %and188, 2
br i1 %cmp189, label %if.then.191, label %if.else.201
if.then.191:
%cmp194 = icmp eq i32 %and188, 1
br i1 %cmp194, label %if.then.196, label %if.else.198
if.then.196:
call void @bar(i8 1);
br label %if.else.201
if.else.198:
call void @bar(i8 0);
br label %if.else.201
if.else.201:
ret void
}
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