| ; 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 | |
| } |