| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 |
| ; RUN: llc < %s -mtriple=aarch64 | FileCheck %s |
| |
| declare void @use(i32) |
| |
| define i32 @f(i32 %x) nounwind { |
| ; CHECK-LABEL: f: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: stp x30, x19, [sp, #-16]! // 16-byte Folded Spill |
| ; CHECK-NEXT: mov w19, w0 |
| ; CHECK-NEXT: neg w0, w0 |
| ; CHECK-NEXT: bl use |
| ; CHECK-NEXT: mov w8, #4 // =0x4 |
| ; CHECK-NEXT: sub w0, w8, w19 |
| ; CHECK-NEXT: ldp x30, x19, [sp], #16 // 16-byte Folded Reload |
| ; CHECK-NEXT: ret |
| %sub1 = sub nuw i32 0, %x |
| call void @use(i32 %sub1) |
| %sub2 = sub i32 1, %x |
| %sub3 = sub i32 3, %x |
| %mul = mul i32 %x, 1 |
| %add1 = add i32 %sub2, %mul |
| %add2 = add i32 %add1, %sub3 |
| ret i32 %add2 |
| } |
