48 lines
1.8 KiB
LLVM
48 lines
1.8 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
||
|
|
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=avx512f | FileCheck %s
|
||
|
|
|
||
|
|
; The alignment of 16 causes type legalization to split this as 3 loads,
|
||
|
|
; v16f32, v4f32, and v4f32. This loads 24 elements, but the load is aligned
|
||
|
|
; to 16 bytes so this i safe. There was an issue with type legalization building
|
||
|
|
; the proper concat_vectors for this because the two v4f32s don't add up to
|
||
|
|
; v16f32 and require padding.
|
||
|
|
|
||
|
|
define <23 x float> @load23(<23 x float>* %p) {
|
||
|
|
; CHECK-LABEL: load23:
|
||
|
|
; CHECK: # %bb.0:
|
||
|
|
; CHECK-NEXT: movq %rdi, %rax
|
||
|
|
; CHECK-NEXT: vmovups 64(%rsi), %ymm0
|
||
|
|
; CHECK-NEXT: vmovups (%rsi), %zmm1
|
||
|
|
; CHECK-NEXT: vmovaps 64(%rsi), %xmm2
|
||
|
|
; CHECK-NEXT: vmovss {{.*#+}} xmm3 = mem[0],zero,zero,zero
|
||
|
|
; CHECK-NEXT: vmovss %xmm3, 88(%rdi)
|
||
|
|
; CHECK-NEXT: vmovaps %xmm2, 64(%rdi)
|
||
|
|
; CHECK-NEXT: vmovaps %zmm1, (%rdi)
|
||
|
|
; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm0
|
||
|
|
; CHECK-NEXT: vmovlps %xmm0, 80(%rdi)
|
||
|
|
; CHECK-NEXT: vzeroupper
|
||
|
|
; CHECK-NEXT: retq
|
||
|
|
%t0 = load <23 x float>, <23 x float>* %p, align 16
|
||
|
|
ret <23 x float> %t0
|
||
|
|
}
|
||
|
|
|
||
|
|
; Same test as above with minimal alignment just to demonstrate the different
|
||
|
|
; codegen.
|
||
|
|
define <23 x float> @load23_align_1(<23 x float>* %p) {
|
||
|
|
; CHECK-LABEL: load23_align_1:
|
||
|
|
; CHECK: # %bb.0:
|
||
|
|
; CHECK-NEXT: movq %rdi, %rax
|
||
|
|
; CHECK-NEXT: vmovups (%rsi), %zmm0
|
||
|
|
; CHECK-NEXT: vmovups 64(%rsi), %xmm1
|
||
|
|
; CHECK-NEXT: movq 80(%rsi), %rcx
|
||
|
|
; CHECK-NEXT: vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
|
||
|
|
; CHECK-NEXT: vmovss %xmm2, 88(%rdi)
|
||
|
|
; CHECK-NEXT: movq %rcx, 80(%rdi)
|
||
|
|
; CHECK-NEXT: vmovaps %xmm1, 64(%rdi)
|
||
|
|
; CHECK-NEXT: vmovaps %zmm0, (%rdi)
|
||
|
|
; CHECK-NEXT: vzeroupper
|
||
|
|
; CHECK-NEXT: retq
|
||
|
|
%t0 = load <23 x float>, <23 x float>* %p, align 1
|
||
|
|
ret <23 x float> %t0
|
||
|
|
}
|