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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; Test shortening of NILL to NILF when the result is used as a rotate amount.3;4; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s5 6; Test 32-bit rotate.7define i32 @f1(i32 %val, i32 %amt) {8; CHECK-LABEL: f1:9; CHECK: # %bb.0:10; CHECK-NEXT: nill %r3, 1511; CHECK-NEXT: rll %r2, %r2, 0(%r3)12; CHECK-NEXT: br %r1413 %mod = urem i32 %amt, 1614 15 %inv = sub i32 32, %mod16 %parta = shl i32 %val, %mod17 %partb = lshr i32 %val, %inv18 19 %rotl = or i32 %parta, %partb20 21 ret i32 %rotl22}23 24; Test 64-bit rotate.25define i64 @f2(i64 %val, i64 %amt) {26; CHECK-LABEL: f2:27; CHECK: # %bb.0:28; CHECK-NEXT: nill %r3, 3129; CHECK-NEXT: rllg %r2, %r2, 0(%r3)30; CHECK-NEXT: br %r1431 %mod = urem i64 %amt, 3232 33 %inv = sub i64 64, %mod34 %parta = shl i64 %val, %mod35 %partb = lshr i64 %val, %inv36 37 %rotl = or i64 %parta, %partb38 39 ret i64 %rotl40}41