; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=newgvn -S | FileCheck %s define void @sort(i64 %.16) { ; CHECK-LABEL: @sort( ; CHECK-NEXT: Entry: ; CHECK-NEXT: [[TMP0:%.*]] = extractvalue { i64, i1 } undef, 0 ; CHECK-NEXT: [[TMP1:%.*]] = lshr i64 [[TMP0]], 2 ; CHECK-NEXT: br i1 undef, label [[DIVZEROFAIL2_I:%.*]], label [[WHILEBODY_LR_PH:%.*]] ; CHECK: DivZeroFail2.i: ; CHECK-NEXT: unreachable ; CHECK: WhileBody.lr.ph: ; CHECK-NEXT: [[TMP2:%.*]] = udiv i64 [[DOT16:%.*]], [[TMP1]] ; CHECK-NEXT: br label [[WHILEBODY:%.*]] ; CHECK: WhileBody: ; CHECK-NEXT: [[ITERATOR:%.*]] = phi i64 [ 0, [[WHILEBODY_LR_PH]] ], [ [[TMP6:%.*]], [[BOUNDSCHECKOK276:%.*]] ] ; CHECK-NEXT: [[TMP3:%.*]] = tail call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 [[ITERATOR]], i64 [[TMP2]]) ; CHECK-NEXT: [[TMP4:%.*]] = extractvalue { i64, i1 } [[TMP3]], 0 ; CHECK-NEXT: [[TMP5:%.*]] = tail call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 [[TMP4]], i64 1) ; CHECK-NEXT: [[TMP6]] = extractvalue { i64, i1 } [[TMP5]], 0 ; CHECK-NEXT: br i1 false, label [[BOUNDSCHECKFAIL275:%.*]], label [[BOUNDSCHECKOK276]] ; CHECK: WhileEnd: ; CHECK-NEXT: ret void ; CHECK: BoundsCheckFail275: ; CHECK-NEXT: unreachable ; CHECK: BoundsCheckOk276: ; CHECK-NEXT: [[TMP7:%.*]] = icmp ult i64 [[TMP6]], [[DOT16]] ; CHECK-NEXT: br i1 [[TMP7]], label [[WHILEBODY]], label [[WHILEEND:%.*]] ; Entry: %0 = extractvalue { i64, i1 } undef, 0 %1 = lshr i64 %0, 2 br i1 undef, label %DivZeroFail2.i, label %WhileBody.lr.ph DivZeroFail2.i: ; preds = %Entry unreachable WhileBody.lr.ph: ; preds = %Entry %2 = udiv i64 %.16, %1 br label %WhileBody WhileBody: ; preds = %BoundsCheckOk276, %WhileBody.lr.ph %iterator = phi i64 [ 0, %WhileBody.lr.ph ], [ %6, %BoundsCheckOk276 ] %3 = tail call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %iterator, i64 %2) %4 = extractvalue { i64, i1 } %3, 0 %5 = tail call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %4, i64 1) %6 = extractvalue { i64, i1 } %5, 0 %7 = icmp ugt i64 %iterator, %.16 br i1 %7, label %BoundsCheckFail275, label %BoundsCheckOk276 WhileEnd: ; preds = %BoundsCheckOk276 ret void BoundsCheckFail275: ; preds = %WhileBody unreachable BoundsCheckOk276: ; preds = %WhileBody %8 = icmp ult i64 %6, %.16 br i1 %8, label %WhileBody, label %WhileEnd } declare { i64, i1 } @llvm.uadd.with.overflow.i64(i64, i64)