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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=powerpc64le-unknown-unknown -verify-machineinstrs | FileCheck %s3 4; FIXME: We have implemented the following patterns in DAGCombiner.cpp,5; but we can't get results as expected.6 7; fold (or (and X, (xor Y, -1)), Y) to (or X, Y)8define i32 @pattern1(i32 %x, i32 %y){9; CHECK-LABEL: pattern1:10; CHECK: # %bb.0:11; CHECK-NEXT: xori 5, 4, 6553512; CHECK-NEXT: xoris 5, 5, 6553513; CHECK-NEXT: and 3, 3, 514; CHECK-NEXT: or 3, 3, 415; CHECK-NEXT: blr16 %a = xor i32 %y, -117 %b = and i32 %x, %a18 %c = or i32 %b, %y19 ret i32 %c20}21 22; fold (or (and (xor Y, -1), X), Y) to (or X, Y)23define i32 @pattern2(i32 %x, i32 %y){24; CHECK-LABEL: pattern2:25; CHECK: # %bb.0:26; CHECK-NEXT: xori 5, 4, 6553527; CHECK-NEXT: xoris 5, 5, 6553528; CHECK-NEXT: and 3, 5, 329; CHECK-NEXT: or 3, 3, 430; CHECK-NEXT: blr31 %a = xor i32 %y, -132 %b = and i32 %a, %x33 %c = or i32 %b, %y34 ret i32 %c35}36 37; fold (and (select Cond, 0, -1), X) to (select Cond, 0, X)38define i32 @pattern3(i1 %cond, i32 %x) {39; CHECK-LABEL: pattern3:40; CHECK: # %bb.0:41; CHECK-NEXT: andi. 3, 3, 142; CHECK-NEXT: li 3, -143; CHECK-NEXT: rldic 3, 3, 0, 3244; CHECK-NEXT: iselgt 3, 0, 345; CHECK-NEXT: and 3, 3, 446; CHECK-NEXT: blr47 %sel = select i1 %cond, i32 0, i32 -148 %res = and i32 %sel, %x49 ret i32 %res50}51 52; fold (or X, (select Cond, -1, 0)) to (select Cond, -1, X)53define i32 @pattern4(i1 %cond, i32 %x) {54; CHECK-LABEL: pattern4:55; CHECK: # %bb.0:56; CHECK-NEXT: andi. 3, 3, 157; CHECK-NEXT: li 3, -158; CHECK-NEXT: li 5, 059; CHECK-NEXT: rldic 3, 3, 0, 3260; CHECK-NEXT: iselgt 3, 3, 561; CHECK-NEXT: or 3, 4, 362; CHECK-NEXT: blr63 %sel = select i1 %cond, i32 -1, i32 064 %res = or i32 %x, %sel65 ret i32 %res66}67