llvm-6502/test/CodeGen/ARM64/complex-copy-noneon.ll
Kevin Qin 81ea345894 [ARM64] Enable feature predicates for NEON / FP / CRYPTO.
AArch64 has feature predicates for NEON, FP and CRYPTO instructions.
This allows the compiler to generate code without using FP, NEON
or CRYPTO instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206949 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-23 06:22:48 +00:00

22 lines
864 B
LLVM

; RUN: llc -mtriple=arm64-none-linux-gnu -mattr=-neon < %s
; The DAG combiner decided to use a vector load/store for this struct copy
; previously. This probably shouldn't happen without NEON, but the most
; important thing is that it compiles.
define void @store_combine() nounwind {
%src = alloca { double, double }, align 8
%dst = alloca { double, double }, align 8
%src.realp = getelementptr inbounds { double, double }* %src, i32 0, i32 0
%src.real = load double* %src.realp
%src.imagp = getelementptr inbounds { double, double }* %src, i32 0, i32 1
%src.imag = load double* %src.imagp
%dst.realp = getelementptr inbounds { double, double }* %dst, i32 0, i32 0
%dst.imagp = getelementptr inbounds { double, double }* %dst, i32 0, i32 1
store double %src.real, double* %dst.realp
store double %src.imag, double* %dst.imagp
ret void
}