llvm-6502/test/CodeGen/ARM64/sli-sri-opt.ll
Tim Northover 7b837d8c75 ARM64: initial backend import
This adds a second implementation of the AArch64 architecture to LLVM,
accessible in parallel via the "arm64" triple. The plan over the
coming weeks & months is to merge the two into a single backend,
during which time thorough code review should naturally occur.

Everything will be easier with the target in-tree though, hence this
commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205090 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-29 10:18:08 +00:00

42 lines
2.2 KiB
LLVM

; RUN: llc -arm64-shift-insert-generation=true -march=arm64 -arm64-neon-syntax=apple < %s | FileCheck %s
define void @testLeftGood(<16 x i8> %src1, <16 x i8> %src2, <16 x i8>* %dest) nounwind {
; CHECK-LABEL: testLeftGood:
; CHECK: sli.16b v0, v1, #3
%and.i = and <16 x i8> %src1, <i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252>
%vshl_n = shl <16 x i8> %src2, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
%result = or <16 x i8> %and.i, %vshl_n
store <16 x i8> %result, <16 x i8>* %dest, align 16
ret void
}
define void @testLeftBad(<16 x i8> %src1, <16 x i8> %src2, <16 x i8>* %dest) nounwind {
; CHECK-LABEL: testLeftBad:
; CHECK-NOT: sli
%and.i = and <16 x i8> %src1, <i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165>
%vshl_n = shl <16 x i8> %src2, <i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1>
%result = or <16 x i8> %and.i, %vshl_n
store <16 x i8> %result, <16 x i8>* %dest, align 16
ret void
}
define void @testRightGood(<16 x i8> %src1, <16 x i8> %src2, <16 x i8>* %dest) nounwind {
; CHECK-LABEL: testRightGood:
; CHECK: sri.16b v0, v1, #3
%and.i = and <16 x i8> %src1, <i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252, i8 252>
%vshl_n = lshr <16 x i8> %src2, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
%result = or <16 x i8> %and.i, %vshl_n
store <16 x i8> %result, <16 x i8>* %dest, align 16
ret void
}
define void @testRightBad(<16 x i8> %src1, <16 x i8> %src2, <16 x i8>* %dest) nounwind {
; CHECK-LABEL: testRightBad:
; CHECK-NOT: sri
%and.i = and <16 x i8> %src1, <i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165, i8 165>
%vshl_n = lshr <16 x i8> %src2, <i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1>
%result = or <16 x i8> %and.i, %vshl_n
store <16 x i8> %result, <16 x i8>* %dest, align 16
ret void
}