1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes=newgvn -enable-phi-of-ops=true -S | FileCheck %s 3;; Make sure we don't incorrectly use predicateinfo to simplify phi of ops cases 4source_filename = "pr34135.ll" 5 6define void @snork(i32 noundef %arg) { 7; CHECK-LABEL: @snork( 8; CHECK-NEXT: bb: 9; CHECK-NEXT: [[TMP:%.*]] = sext i32 [[ARG:%.*]] to i64 10; CHECK-NEXT: br label [[BB1:%.*]] 11; CHECK: bb1: 12; CHECK-NEXT: [[TMP2:%.*]] = phi i64 [ 0, [[BB:%.*]] ], [ [[TMP3:%.*]], [[BB1]] ] 13; CHECK-NEXT: [[TMP3]] = add i64 [[TMP2]], 1 14; CHECK-NEXT: [[TMP4:%.*]] = icmp slt i64 [[TMP3]], [[TMP]] 15; CHECK-NEXT: br i1 [[TMP4]], label [[BB1]], label [[BB7:%.*]] 16; CHECK: bb5: 17; CHECK-NEXT: [[TMP6:%.*]] = icmp sgt i64 [[TMP]], 1 18; CHECK-NEXT: br i1 [[TMP6]], label [[BB7]], label [[BB9:%.*]] 19; CHECK: bb7: 20; CHECK-NEXT: br label [[BB5:%.*]] 21; CHECK: bb9: 22; CHECK-NEXT: unreachable 23; 24bb: 25 %tmp = sext i32 %arg to i64 26 br label %bb1 27 28bb1: ; preds = %bb1, %bb 29 %tmp2 = phi i64 [ 0, %bb ], [ %tmp3, %bb1 ] 30 %tmp3 = add i64 %tmp2, 1 31 %tmp4 = icmp slt i64 %tmp3, %tmp 32 br i1 %tmp4, label %bb1, label %bb7 33 34bb5: ; preds = %bb7 35 %tmp6 = icmp sgt i64 %tmp8, 1 36 br i1 %tmp6, label %bb7, label %bb9 37 38bb7: ; preds = %bb5, %bb1 39 %tmp8 = phi i64 [ undef, %bb5 ], [ %tmp, %bb1 ] 40 br label %bb5 41 42bb9: ; preds = %bb5 43 unreachable 44} 45