| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py | |
| ; RUN: opt -S -instcombine < %s | FileCheck %s | |
| ; TODO: The entire thing should be folded to and i16 %0, 255. | |
| define i16 @foo(i16 %x) { | |
| ; CHECK-LABEL: @foo( | |
| ; CHECK-NEXT: [[T1:%.*]] = and i16 [[X:%.*]], 255 | |
| ; CHECK-NEXT: ret i16 [[T1]] | |
| ; | |
| %t1 = and i16 %x, 255 | |
| %t2 = zext i16 %t1 to i32 | |
| %t3 = icmp ult i32 %t2, 255 | |
| %t4 = select i1 %t3, i32 %t2, i32 255 | |
| %t5 = trunc i32 %t4 to i16 | |
| %t6 = and i16 %t5, 255 | |
| ret i16 %t6 | |
| } | |