| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 |
| ; RUN: llc --mtriple=loongarch64 --mattr=+lsx < %s | FileCheck %s |
| |
| define void @register_vr1() nounwind { |
| ; CHECK-LABEL: register_vr1: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: #APP |
| ; CHECK-NEXT: vldi $vr1, 1 |
| ; CHECK-NEXT: #NO_APP |
| ; CHECK-NEXT: ret |
| entry: |
| %0 = tail call <2 x i64> asm sideeffect "vldi ${0:w}, 1", "={$vr1}"() |
| ret void |
| } |
| |
| define void @register_vr7() nounwind { |
| ; CHECK-LABEL: register_vr7: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: #APP |
| ; CHECK-NEXT: vldi $vr7, 1 |
| ; CHECK-NEXT: #NO_APP |
| ; CHECK-NEXT: ret |
| entry: |
| %0 = tail call <2 x i64> asm sideeffect "vldi ${0:w}, 1", "={$vr7}"() |
| ret void |
| } |
| |
| define void @register_vr23() nounwind { |
| ; CHECK-LABEL: register_vr23: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: #APP |
| ; CHECK-NEXT: vldi $vr23, 1 |
| ; CHECK-NEXT: #NO_APP |
| ; CHECK-NEXT: ret |
| entry: |
| %0 = tail call <2 x i64> asm sideeffect "vldi ${0:w}, 1", "={$vr23}"() |
| ret void |
| } |
| |
| ;; The lower half of the vector register '$vr31' is overlapped with |
| ;; the floating-point register '$f31'. And '$f31' is a callee-saved |
| ;; register which is preserved across calls. That's why the |
| ;; fst.d and fld.d instructions are emitted. |
| define void @register_vr31() nounwind { |
| ; CHECK-LABEL: register_vr31: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: addi.d $sp, $sp, -16 |
| ; CHECK-NEXT: fst.d $fs7, $sp, 8 # 8-byte Folded Spill |
| ; CHECK-NEXT: #APP |
| ; CHECK-NEXT: vldi $vr31, 1 |
| ; CHECK-NEXT: #NO_APP |
| ; CHECK-NEXT: fld.d $fs7, $sp, 8 # 8-byte Folded Reload |
| ; CHECK-NEXT: addi.d $sp, $sp, 16 |
| ; CHECK-NEXT: ret |
| entry: |
| %0 = tail call <2 x i64> asm sideeffect "vldi ${0:w}, 1", "={$vr31}"() |
| ret void |
| } |