| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3 |
| ; RUN: llc < %s -mtriple=riscv64 | FileCheck %s |
| |
| define i16 @narrow_load(ptr %p1, ptr %p2) { |
| ; CHECK-LABEL: narrow_load: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: lhu a2, 0(a0) |
| ; CHECK-NEXT: lui a3, 2 |
| ; CHECK-NEXT: addiw a3, a3, -1 |
| ; CHECK-NEXT: xor a2, a2, a3 |
| ; CHECK-NEXT: lui a4, 16 |
| ; CHECK-NEXT: addi a4, a4, -1 |
| ; CHECK-NEXT: xor a4, a3, a4 |
| ; CHECK-NEXT: or a2, a2, a4 |
| ; CHECK-NEXT: sw a2, 0(a1) |
| ; CHECK-NEXT: lhu a0, 0(a0) |
| ; CHECK-NEXT: and a0, a0, a3 |
| ; CHECK-NEXT: ret |
| entry: |
| %bf.load = load i16, ptr %p1, align 2 |
| %bf.clear = and i16 %bf.load, 8191 |
| %not = xor i16 %bf.clear, -1 |
| %conv1 = zext i16 %not to i32 |
| store i32 %conv1, ptr %p2, align 4 |
| %bf.load2 = load i16, ptr %p1, align 2 |
| %bf.clear3 = and i16 %bf.load2, 8191 |
| ret i16 %bf.clear3 |
| } |