llvm-6502/test/CodeGen/ARM64/extend-int-to-fp.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

20 lines
513 B
LLVM

; RUN: llc < %s -march=arm64 -arm64-neon-syntax=apple | FileCheck %s
define <4 x float> @foo(<4 x i16> %a) nounwind {
; CHECK-LABEL: foo:
; CHECK: ushll.4s v0, v0, #0
; CHECK-NEXT: ucvtf.4s v0, v0
; CHECK-NEXT: ret
%vcvt.i = uitofp <4 x i16> %a to <4 x float>
ret <4 x float> %vcvt.i
}
define <4 x float> @bar(<4 x i16> %a) nounwind {
; CHECK-LABEL: bar:
; CHECK: sshll.4s v0, v0, #0
; CHECK-NEXT: scvtf.4s v0, v0
; CHECK-NEXT: ret
%vcvt.i = sitofp <4 x i16> %a to <4 x float>
ret <4 x float> %vcvt.i
}