| Jakob Stoklund Olesen | d1303d2 | 2010-06-29 19:15:30 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -O0 -mcpu=cortex-a8 | FileCheck %s |
| 2 | target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32" |
| 3 | target triple = "thumbv7-apple-darwin10" |
| 4 | |
| 5 | ; This tests the fast register allocator's handling of partial redefines: |
| 6 | ; |
| Bob Wilson | f1d93ca | 2010-07-09 00:38:12 +0000 | [diff] [blame] | 7 | ; %reg1028:dsub_0<def>, %reg1028:dsub_1<def> = VLD1q64 %reg1025... |
| 8 | ; %reg1030:dsub_1<def> = COPY %reg1028:dsub_0<kill> |
| Jakob Stoklund Olesen | d1303d2 | 2010-06-29 19:15:30 +0000 | [diff] [blame] | 9 | ; |
| Bob Wilson | f1d93ca | 2010-07-09 00:38:12 +0000 | [diff] [blame] | 10 | ; %reg1028 gets allocated %Q0, and if %reg1030 is reloaded for the partial |
| 11 | ; redef, it cannot also get %Q0. |
| Jakob Stoklund Olesen | d1303d2 | 2010-06-29 19:15:30 +0000 | [diff] [blame] | 12 | |
| Bob Wilson | 7d24705 | 2010-10-08 06:15:13 +0000 | [diff] [blame] | 13 | ; CHECK: vld1.64 {d16, d17}, [r{{.}}] |
| 14 | ; CHECK-NOT: vld1.64 {d16, d17} |
| 15 | ; CHECK: vmov.f64 d19, d16 |
| Jakob Stoklund Olesen | d1303d2 | 2010-06-29 19:15:30 +0000 | [diff] [blame] | 16 | |
| Bob Wilson | f1d93ca | 2010-07-09 00:38:12 +0000 | [diff] [blame] | 17 | define i32 @test(i8* %arg) nounwind { |
| Jakob Stoklund Olesen | d1303d2 | 2010-06-29 19:15:30 +0000 | [diff] [blame] | 18 | entry: |
| Bob Wilson | 7a9ef44 | 2010-08-27 17:13:24 +0000 | [diff] [blame] | 19 | %0 = call <2 x i64> @llvm.arm.neon.vld1.v2i64(i8* %arg, i32 1) |
| Bob Wilson | f1d93ca | 2010-07-09 00:38:12 +0000 | [diff] [blame] | 20 | %1 = shufflevector <2 x i64> undef, <2 x i64> %0, <2 x i32> <i32 1, i32 2> |
| 21 | store <2 x i64> %1, <2 x i64>* undef, align 16 |
| Jakob Stoklund Olesen | d1303d2 | 2010-06-29 19:15:30 +0000 | [diff] [blame] | 22 | ret i32 undef |
| 23 | } |
| Bob Wilson | f1d93ca | 2010-07-09 00:38:12 +0000 | [diff] [blame] | 24 | |
| Bob Wilson | 7a9ef44 | 2010-08-27 17:13:24 +0000 | [diff] [blame] | 25 | declare <2 x i64> @llvm.arm.neon.vld1.v2i64(i8*, i32) nounwind readonly |