| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -O2 -mtriple=aarch64-linux-gnu -mattr=+sve < %s | FileCheck %s |
| |
| ; #include <arm_sve.h> |
| ; #include <stdint.h> |
| ; |
| ; void redundant_store(uint32_t *p, svint32_t v) { |
| ; *p = 1; |
| ; *(svint32_t *)p = v; |
| ; } |
| |
| ; Update me: Until dead store elimination is improved in DAGCombine, this will contain a redundant store. |
| ; |
| define void @redundant_store(i32* nocapture %p, <vscale x 4 x i32> %v) { |
| ; CHECK-LABEL: redundant_store: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: mov w8, #1 |
| ; CHECK-NEXT: ptrue p0.s |
| ; CHECK-NEXT: str w8, [x0] |
| ; CHECK-NEXT: st1w { z0.s }, p0, [x0] |
| ; CHECK-NEXT: ret |
| store i32 1, i32* %p, align 4 |
| %1 = bitcast i32* %p to <vscale x 4 x i32>* |
| store <vscale x 4 x i32> %v, <vscale x 4 x i32>* %1, align 16 |
| ret void |
| } |