1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -instcombine < %s | FileCheck %s 3 4; OSS Fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15217 5define i64 @fuzz15217(i1 %cond, i8* %Ptr, i64 %Val) { 6; CHECK-LABEL: @fuzz15217( 7; CHECK-NEXT: entry: 8; CHECK-NEXT: br i1 [[COND:%.*]], label [[END:%.*]], label [[TWO:%.*]] 9; CHECK: two: 10; CHECK-NEXT: br label [[END]] 11; CHECK: end: 12; CHECK-NEXT: ret i64 undef 13; 14entry: 15 br i1 %cond, label %end, label %two 16 17two: 18 br label %end 19 20end: 21 %tmp869.0 = phi i128 [ 0, %entry ], [ 18446744073709551616, %two ] 22 %tmp29 = lshr i128 %tmp869.0, 64 23 %B1 = lshr i128 %tmp29, 170141183460469231731687303715884105727 24 %tmp30 = trunc i128 %B1 to i64 25 ret i64 %tmp30 26} 27