| Dale Johannesen | 5db1eea | 2010-10-01 04:17:55 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -O0 -regalloc=linearscan -march=x86-64 -mattr=+mmx,+sse2 | FileCheck %s |
| Dan Gohman | c3c9c48 | 2009-08-05 05:33:42 +0000 | [diff] [blame] | 2 | ; PR4684 |
| 3 | |
| 4 | target datalayout = |
| 5 | "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" |
| 6 | target triple = "x86_64-apple-darwin9.8" |
| 7 | |
| Dale Johannesen | 0488fb6 | 2010-09-30 23:57:10 +0000 | [diff] [blame] | 8 | declare void @func2(x86_mmx) |
| Dan Gohman | c3c9c48 | 2009-08-05 05:33:42 +0000 | [diff] [blame] | 9 | |
| 10 | define void @func1() nounwind { |
| 11 | |
| 12 | ; This isn't spectacular, but it's MMX code at -O0... |
| Dale Johannesen | 0488fb6 | 2010-09-30 23:57:10 +0000 | [diff] [blame] | 13 | ; CHECK: movq2dq %mm0, %xmm0 |
| 14 | ; For now, handling of x86_mmx parameters in fast Isel is unimplemented, |
| 15 | ; so we get pretty poor code. The below is preferable. |
| 16 | ; CHEK: movl $2, %eax |
| 17 | ; CHEK: movd %rax, %mm0 |
| 18 | ; CHEK: movd %mm0, %rdi |
| Dan Gohman | c3c9c48 | 2009-08-05 05:33:42 +0000 | [diff] [blame] | 19 | |
| Dale Johannesen | 0488fb6 | 2010-09-30 23:57:10 +0000 | [diff] [blame] | 20 | %tmp0 = bitcast <2 x i32><i32 0, i32 2> to x86_mmx |
| 21 | call void @func2(x86_mmx %tmp0) |
| Dan Gohman | c3c9c48 | 2009-08-05 05:33:42 +0000 | [diff] [blame] | 22 | ret void |
| 23 | } |