30 lines
915 B
LLVM
30 lines
915 B
LLVM
|
; 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(i64* %Src, i32* %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, i64* %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, i32* %Dst
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|