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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s3 4;; fold (sext (not x)) -> (add (zext x) -1)5define i32 @sext_of_not(i1 %x) {6; CHECK-LABEL: sext_of_not:7; CHECK: # %bb.0:8; CHECK-NEXT: nilf %r2, 19; CHECK-NEXT: ahi %r2, -110; CHECK-NEXT: br %r1411 %xor = xor i1 %x, 112 %sext = sext i1 %xor to i3213 ret i32 %sext14}15 16;; fold (sext (not (setcc a, b, cc))) -> (sext (setcc a, b, !cc))17define i32 @sext_of_not_cmp(i32 %x) {18; CHECK-LABEL: sext_of_not_cmp:19; CHECK: # %bb.0:20; CHECK-NEXT: chi %r2, 721; CHECK-NEXT: ipm %r222; CHECK-NEXT: afi %r2, 187904819223; CHECK-NEXT: sra %r2, 3124; CHECK-NEXT: br %r1425 %cmp = icmp eq i32 %x, 726 %xor = xor i1 %cmp, 127 %sext = sext i1 %xor to i3228 ret i32 %sext29}30 31;; fold (sext (not (setcc a, b, cc))) -> (sext (setcc a, b, !cc))32;; make sure we don't crash if the not gets replaced in-visit33define i32 @sext_of_not_fsetccs(double %x) strictfp {34; CHECK-LABEL: sext_of_not_fsetccs:35; CHECK: # %bb.0:36; CHECK-NEXT: ltdbr %f0, %f037; CHECK-NEXT: ipm %r038; CHECK-NEXT: afi %r0, 187904819239; CHECK-NEXT: srl %r0, 3140; CHECK-NEXT: lcr %r2, %r041; CHECK-NEXT: br %r1442 %cmp = call i1 @llvm.experimental.constrained.fcmp.f64(double %x, double 0.000000e+00, metadata !"oeq", metadata !"fpexcept.ignore")43 %xor = xor i1 %cmp, 144 %sext = sext i1 %xor to i3245 ret i32 %sext46}47 48declare i1 @llvm.experimental.constrained.fcmp.f64(double, double, metadata, metadata)49 50;; TODO: fold (add (zext (setcc a, b, cc)), -1) -> (sext (setcc a, b, !cc))51define i32 @dec_of_zexted_cmp(i32 %x) {52; CHECK-LABEL: dec_of_zexted_cmp:53; CHECK: # %bb.0:54; CHECK-NEXT: chi %r2, 755; CHECK-NEXT: ipm %r256; CHECK-NEXT: afi %r2, -26843545657; CHECK-NEXT: srl %r2, 3158; CHECK-NEXT: ahi %r2, -159; CHECK-NEXT: br %r1460 %cmp = icmp eq i32 %x, 761 %zext = zext i1 %cmp to i3262 %dec = sub i32 %zext, 163 ret i32 %dec64}65