llvm-project/llvm/test/CodeGen/X86/bitcast-i256.ll

23 lines
771 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx,-slow-unaligned-mem-32 | FileCheck %s --check-prefix=FAST
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx,+slow-unaligned-mem-32 | FileCheck %s --check-prefix=SLOW
define i256 @foo(<8 x i32> %a) {
; FAST-LABEL: foo:
; FAST: # %bb.0:
; FAST-NEXT: vmovups %ymm0, (%rdi)
; FAST-NEXT: movq %rdi, %rax
; FAST-NEXT: vzeroupper
; FAST-NEXT: retq
;
; SLOW-LABEL: foo:
; SLOW: # %bb.0:
; SLOW-NEXT: vextractf128 $1, %ymm0, 16(%rdi)
; SLOW-NEXT: vmovups %xmm0, (%rdi)
; SLOW-NEXT: movq %rdi, %rax
; SLOW-NEXT: vzeroupper
; SLOW-NEXT: retq
%r = bitcast <8 x i32> %a to i256
ret i256 %r
}