blob: 7c6a2102720c01bb3e845c7f5ff2c3214fd0d8f7 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
;
; Test that DAGCombiner properly clears the NUW/NSW flags on the memoized add
; node.
define void @fun(ptr %Src, ptr %Dst) {
; CHECK-LABEL: fun:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: iilf %r0, 1303940520
; CHECK-NEXT: n %r0, 4(%r2)
; CHECK-NEXT: lr %r1, %r0
; CHECK-NEXT: afi %r1, 1628135358
; CHECK-NEXT: locrnhe %r1, %r0
; CHECK-NEXT: st %r1, 0(%r3)
; CHECK-NEXT: br %r14
entry:
%0 = load i64, ptr %Src, align 8
%1 = trunc i64 %0 to i32
%conv = and i32 %1, 1303940520
%xor11.i = or i32 %conv, -2147483648
%xor2.i = add i32 %xor11.i, -519348290
%cmp.i = icmp slt i32 %xor2.i, 0
%sub3.i = add nuw nsw i32 %conv, 1628135358
%cond.i = select i1 %cmp.i, i32 %conv, i32 %sub3.i
store i32 %cond.i, ptr %Dst
ret void
}