27 lines
		
	
	
		
			774 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			774 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; 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
 | |
| }
 |