| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=m68k-linux | FileCheck %s |
| ; FIXME: When using SelectionDAGISel, the following cases use |
| ; `sub` rather than the expected `neg` |
| |
| define i32 @mul4294967295_32(i32 %A) { |
| ; CHECK-LABEL: mul4294967295_32: |
| ; CHECK: .cfi_startproc |
| ; CHECK-NEXT: ; %bb.0: |
| ; CHECK-NEXT: move.l #0, %d0 |
| ; CHECK-NEXT: sub.l (4,%sp), %d0 |
| ; CHECK-NEXT: rts |
| %mul = mul i32 %A, 4294967295 |
| ret i32 %mul |
| } |
| |
| ; NOTE: If returning a 64-bit integer, d0 will be the higher 32-bit! |
| define i64 @mul18446744073709551615_64(i64 %A) { |
| ; CHECK-LABEL: mul18446744073709551615_64: |
| ; CHECK: .cfi_startproc |
| ; CHECK-NEXT: ; %bb.0: |
| ; CHECK-NEXT: move.l (4,%sp), %d0 |
| ; CHECK-NEXT: move.l #0, %d1 |
| ; CHECK-NEXT: sub.l (8,%sp), %d1 |
| ; CHECK-NEXT: negx.l %d0 |
| ; CHECK-NEXT: rts |
| %mul = mul i64 %A, 18446744073709551615 |
| ret i64 %mul |
| } |
