1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=licm -mtriple aarch64-linux-gnu -S < %s | FileCheck %s 3 4define i1 @func(ptr %0, i64 %1) { 5; CHECK-LABEL: @func( 6; CHECK-NEXT: br label [[TMP3:%.*]] 7; CHECK: 3: 8; CHECK-NEXT: [[TMP4:%.*]] = phi i64 [ 0, [[TMP2:%.*]] ], [ [[TMP12:%.*]], [[TMP11:%.*]] ] 9; CHECK-NEXT: [[TMP5:%.*]] = icmp ult i64 [[TMP4]], [[TMP1:%.*]] 10; CHECK-NEXT: br i1 [[TMP5]], label [[TMP6:%.*]], label [[DOTSPLIT_LOOP_EXIT2:%.*]] 11; CHECK: 6: 12; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds <1 x i64>, ptr [[TMP0:%.*]], i64 [[TMP4]] 13; CHECK-NEXT: [[TMP8:%.*]] = load <1 x i64>, ptr [[TMP7]], align 8 14; CHECK-NEXT: [[TMP9:%.*]] = extractelement <1 x i64> [[TMP8]], i64 0 15; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[TMP9]], -1 16; CHECK-NEXT: br i1 [[TMP10]], label [[TMP11]], label [[DOTSPLIT_LOOP_EXIT:%.*]] 17; CHECK: 11: 18; CHECK-NEXT: [[TMP12]] = add i64 [[TMP4]], 1 19; CHECK-NEXT: br label [[TMP3]] 20; CHECK: .split.loop.exit: 21; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i64 [ [[TMP9]], [[TMP6]] ] 22; CHECK-NEXT: [[DOTLCSSA6:%.*]] = phi i64 [ [[TMP4]], [[TMP6]] ] 23; CHECK-NEXT: [[DOTPH:%.*]] = phi i1 [ [[TMP5]], [[TMP6]] ] 24; CHECK-NEXT: [[TMP13:%.*]] = xor i64 [[DOTLCSSA]], -1 25; CHECK-NEXT: [[TMP14:%.*]] = add i64 [[TMP13]], [[DOTLCSSA6]] 26; CHECK-NEXT: [[TMP15:%.*]] = icmp uge i64 [[TMP14]], [[TMP1]] 27; CHECK-NEXT: br label [[TMP16:%.*]] 28; CHECK: .split.loop.exit2: 29; CHECK-NEXT: [[DOTPH3:%.*]] = phi i1 [ [[TMP5]], [[TMP3]] ] 30; CHECK-NEXT: [[DOTPH4:%.*]] = phi i1 [ undef, [[TMP3]] ] 31; CHECK-NEXT: br label [[TMP16]] 32; CHECK: 16: 33; CHECK-NEXT: [[TMP17:%.*]] = phi i1 [ [[DOTPH]], [[DOTSPLIT_LOOP_EXIT]] ], [ [[DOTPH3]], [[DOTSPLIT_LOOP_EXIT2]] ] 34; CHECK-NEXT: [[TMP18:%.*]] = phi i1 [ [[TMP15]], [[DOTSPLIT_LOOP_EXIT]] ], [ [[DOTPH4]], [[DOTSPLIT_LOOP_EXIT2]] ] 35; CHECK-NEXT: [[TMP19:%.*]] = xor i1 [[TMP17]], true 36; CHECK-NEXT: [[TMP20:%.*]] = select i1 [[TMP19]], i1 true, i1 [[TMP18]] 37; CHECK-NEXT: ret i1 [[TMP20]] 38; 39 br label %3 40 413: ; preds = %14, %2 42 %4 = phi i64 [ 0, %2 ], [ %15, %14 ] 43 %5 = icmp ult i64 %4, %1 44 br i1 %5, label %6, label %16 45 466: ; preds = %3 47 %7 = getelementptr inbounds <1 x i64>, ptr %0, i64 %4 48 %8 = load <1 x i64>, ptr %7, align 8 49 %9 = extractelement <1 x i64> %8, i64 0 50 %10 = icmp eq i64 %9, -1 51 %11 = xor i64 %9, -1 52 %12 = add i64 %11, %4 53 %13 = icmp uge i64 %12, %1 54 br i1 %10, label %14, label %16 55 5614: ; preds = %6 57 %15 = add i64 %4, 1 58 br label %3 59 6016: ; preds = %3, %6 61 %17 = phi i1 [ %5, %3 ], [ %5, %6 ] 62 %18 = phi i1 [ %13, %6 ], [ undef, %3 ] 63 %19 = xor i1 %17, true 64 %20 = select i1 %19, i1 true, i1 %18 65 ret i1 %20 66} 67