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