| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -instcombine < %s | FileCheck %s |
| |
| ; OSS Fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15217 |
| define i64 @fuzz15217(i1 %cond, i8* %Ptr, i64 %Val) { |
| ; CHECK-LABEL: @fuzz15217( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br i1 [[COND:%.*]], label [[END:%.*]], label [[TWO:%.*]] |
| ; CHECK: two: |
| ; CHECK-NEXT: br label [[END]] |
| ; CHECK: end: |
| ; CHECK-NEXT: ret i64 poison |
| ; |
| entry: |
| br i1 %cond, label %end, label %two |
| |
| two: |
| br label %end |
| |
| end: |
| %tmp869.0 = phi i128 [ 0, %entry ], [ 18446744073709551616, %two ] |
| %tmp29 = lshr i128 %tmp869.0, 64 |
| %B1 = lshr i128 %tmp29, 170141183460469231731687303715884105727 |
| %tmp30 = trunc i128 %B1 to i64 |
| ret i64 %tmp30 |
| } |