llvm-project/llvm/test/CodeGen/X86/2009-08-02-mmx-scalar-to-ve...

13 lines
367 B
LLVM

; RUN: llc < %s -march=x86-64
; PR4669
declare x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx, i32)
define <1 x i64> @test(i64 %t) {
entry:
%t1 = insertelement <1 x i64> undef, i64 %t, i32 0
%t0 = bitcast <1 x i64> %t1 to x86_mmx
%t2 = tail call x86_mmx @llvm.x86.mmx.pslli.q(x86_mmx %t0, i32 48)
%t3 = bitcast x86_mmx %t2 to <1 x i64>
ret <1 x i64> %t3
}