File: sve-fixed-length-frame-offests.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (31 lines) | stat: -rw-r--r-- 1,392 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -debug-only=isel < %s 2>&1 | FileCheck %s

; REQUIRES: asserts

target triple = "aarch64-unknown-linux-gnu"

; Ensure that only no offset frame indexes are folded into SVE load/stores when
; accessing fixed width objects.
define void @foo(<8 x i64>* %a) #0 {
; CHECK-LABEL: foo:
; CHECK:       SelectionDAG has 14 nodes:
; CHECK-NEXT:    t0: ch = EntryToken
; CHECK-NEXT:    t12: nxv2i1 = PTRUE_D TargetConstant:i32<31>
; CHECK-NEXT:    t2: i64,ch = CopyFromReg t0, Register:i64 %0
; CHECK-NEXT:    t18: nxv2i64,ch = LD1D_IMM<Mem:(volatile load (s512) from %ir.a)> t12, t2, TargetConstant:i64<0>, t0
; CHECK-NEXT:    t8: i64 = ADDXri TargetFrameIndex:i64<1>, TargetConstant:i32<0>, TargetConstant:i32<0>
; CHECK-NEXT:    t17: ch = ST1D_IMM<Mem:(volatile store (s512) into %ir.r0)> t18, t12, TargetFrameIndex:i64<0>, TargetConstant:i64<0>, t18:1
; CHECK-NEXT:    t16: ch = ST1D_IMM<Mem:(volatile store (s512) into %ir.r1)> t18, t12, t8, TargetConstant:i64<0>, t17
; CHECK-NEXT:    t10: ch = RET_ReallyLR t16
; CHECK-EMPTY:
entry:
  %r0 = alloca <8 x i64>
  %r1 = alloca <8 x i64>
  %r = load volatile <8 x i64>, <8 x i64>* %a
  store volatile <8 x i64> %r, <8 x i64>* %r0
  store volatile <8 x i64> %r, <8 x i64>* %r1
  ret void
}

attributes #0 = { nounwind "target-features"="+sve" vscale_range(4,4) }