| ; RUN: llc < %s -O0 -regalloc=linearscan -march=x86-64 -mattr=+mmx,+sse2 | FileCheck %s |
| ; PR4684 |
| |
| target datalayout = |
| "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" |
| target triple = "x86_64-apple-darwin9.8" |
| |
| declare void @func2(x86_mmx) |
| |
| define void @func1() nounwind { |
| |
| ; This isn't spectacular, but it's MMX code at -O0... |
| ; CHECK: movq2dq %mm0, %xmm0 |
| ; For now, handling of x86_mmx parameters in fast Isel is unimplemented, |
| ; so we get pretty poor code. The below is preferable. |
| ; CHEK: movl $2, %eax |
| ; CHEK: movd %rax, %mm0 |
| ; CHEK: movd %mm0, %rdi |
| |
| %tmp0 = bitcast <2 x i32><i32 0, i32 2> to x86_mmx |
| call void @func2(x86_mmx %tmp0) |
| ret void |
| } |
