| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -instcombine -S | FileCheck %s |
| target datalayout = "n32" |
| |
| define i1 @oss_fuzz_32759(i1 %y) { |
| ; CHECK-LABEL: @oss_fuzz_32759( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br i1 undef, label [[COND_TRUE:%.*]], label [[END:%.*]] |
| ; CHECK: cond.true: |
| ; CHECK-NEXT: br label [[END]] |
| ; CHECK: end: |
| ; CHECK-NEXT: ret i1 false |
| ; |
| entry: |
| br i1 undef, label %cond.true, label %end |
| |
| cond.true: ; preds = %entry |
| %zy = zext i1 %y to i32 |
| %B6 = shl i32 %zy, 2147483647 |
| %B3 = ashr i32 %B6, 2147483647 |
| %B7 = srem i32 %B3, 123 |
| %cond = xor i32 %B7, %B3 |
| br label %end |
| |
| end: ; preds = %cond.true, %entry |
| %p = phi i32 [ %cond, %cond.true ], [ -1, %entry ] |
| %r = icmp eq i32 %p, 0 |
| ret i1 %r |
| } |
