| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 |
| ; RUN: opt -S -passes=instcombine -instcombine-verify-known-bits < %s | FileCheck %s |
| |
| define i16 @pr110631(i32 range(i32 0, 256) %arg, i64 %arg1) { |
| ; CHECK-LABEL: define i16 @pr110631( |
| ; CHECK-SAME: i32 range(i32 0, 256) [[ARG:%.*]], i64 [[ARG1:%.*]]) { |
| ; CHECK-NEXT: [[BB:.*:]] |
| ; CHECK-NEXT: [[I:%.*]] = xor i32 [[ARG]], 48991 |
| ; CHECK-NEXT: [[TMP0:%.*]] = trunc i64 [[ARG1]] to i32 |
| ; CHECK-NEXT: [[I4:%.*]] = and i32 [[I]], [[TMP0]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = trunc nuw i32 [[I4]] to i16 |
| ; CHECK-NEXT: [[I8:%.*]] = xor i16 [[TMP1]], 1 |
| ; CHECK-NEXT: ret i16 [[I8]] |
| ; |
| bb: |
| %i = xor i32 %arg, 48991 |
| %i2 = zext i32 %i to i64 |
| %i3 = and i64 %arg1, %i2 |
| %i4 = trunc i64 %i3 to i32 |
| %i5 = trunc i32 %i4 to i16 |
| %i6 = sext i16 %i5 to i32 |
| %i7 = xor i32 %i6, 1 |
| %i8 = trunc i32 %i7 to i16 |
| ret i16 %i8 |
| } |