| ; RUN: llc < %s -mtriple aarch64-unknown-unknown -asm-verbose=false | FileCheck %s |
| |
| target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" |
| |
| ; Test the (concat_vectors (bitcast (trunc (scalar))), undef..) pattern. |
| |
| define <8 x i8> @test_concat_from_truncated_scalar(i32 %x) #0 { |
| entry: |
| ; CHECK-LABEL: test_concat_from_truncated_scalar: |
| ; CHECK-NEXT: fmov s0, w0 |
| ; CHECK-NEXT: ret |
| %t = trunc i32 %x to i16 |
| %0 = bitcast i16 %t to <2 x i8> |
| %1 = shufflevector <2 x i8> %0, <2 x i8> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2> |
| ret <8 x i8> %1 |
| } |
| |
| attributes #0 = { nounwind } |
