22 lines
683 B
LLVM
22 lines
683 B
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
||
|
|
; RUN: llc < %s -mtriple x86_64-unknown-unknown -mattr=mmx | FileCheck %s
|
||
|
|
|
||
|
|
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
||
|
|
|
||
|
|
; PR23246
|
||
|
|
; We're really only interested in doing something sane with the shuffle.
|
||
|
|
|
||
|
|
define <2 x i64> @test(x86_mmx %a) #0 {
|
||
|
|
; CHECK-LABEL: test:
|
||
|
|
; CHECK: # %bb.0: # %entry
|
||
|
|
; CHECK-NEXT: movq2dq %mm0, %xmm0
|
||
|
|
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,1,0,1]
|
||
|
|
; CHECK-NEXT: retq
|
||
|
|
entry:
|
||
|
|
%b = bitcast x86_mmx %a to <1 x i64>
|
||
|
|
%s = shufflevector <1 x i64> %b, <1 x i64> undef, <2 x i32> <i32 undef, i32 0>
|
||
|
|
ret <2 x i64> %s
|
||
|
|
}
|
||
|
|
|
||
|
|
attributes #0 = { nounwind }
|