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llvm-mirror/test/CodeGen/X86/2009-08-02-mmx-scalar-to-vector.ll
Rafael Espindola daefe7aa54 Use movq to move 64 bits in and out of mmx registers.
Fixes PR4669

llvm-svn: 77940
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
}