llvm-6502/test/CodeGen/X86/2009-08-02-mmx-scalar-to-vector.ll
Rafael Espindola def390a30a Use movq to move 64 bits in and out of mmx registers.
Fixes PR4669



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77940 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-03 02:45:34 +00:00

11 lines
291 B
LLVM

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