| Jakob Stoklund Olesen | 0e5e821 | 2012-05-18 00:07:14 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mtriple=x86_64-linux -mcpu=nehalem | FileCheck %s |
| NAKAMURA Takumi | ddbfbcf | 2011-03-16 13:52:38 +0000 | [diff] [blame] | 2 | ; CHECK-NOT: mov |
| 3 | ; CHECK: paddw |
| 4 | ; CHECK-NOT: mov |
| 5 | ; CHECK: paddw |
| 6 | ; CHECK-NOT: paddw |
| 7 | ; CHECK-NOT: mov |
| Chris Lattner | 767486b | 2008-03-02 18:05:14 +0000 | [diff] [blame] | 8 | |
| 9 | ; The 2-addr pass should ensure that identical code is produced for these functions |
| 10 | ; no extra copy should be generated. |
| 11 | |
| 12 | define <2 x i64> @test1(<2 x i64> %x, <2 x i64> %y) nounwind { |
| 13 | entry: |
| 14 | %tmp6 = bitcast <2 x i64> %y to <8 x i16> ; <<8 x i16>> [#uses=1] |
| 15 | %tmp8 = bitcast <2 x i64> %x to <8 x i16> ; <<8 x i16>> [#uses=1] |
| 16 | %tmp9 = add <8 x i16> %tmp8, %tmp6 ; <<8 x i16>> [#uses=1] |
| 17 | %tmp10 = bitcast <8 x i16> %tmp9 to <2 x i64> ; <<2 x i64>> [#uses=1] |
| 18 | ret <2 x i64> %tmp10 |
| 19 | } |
| 20 | |
| 21 | define <2 x i64> @test2(<2 x i64> %x, <2 x i64> %y) nounwind { |
| 22 | entry: |
| 23 | %tmp6 = bitcast <2 x i64> %x to <8 x i16> ; <<8 x i16>> [#uses=1] |
| 24 | %tmp8 = bitcast <2 x i64> %y to <8 x i16> ; <<8 x i16>> [#uses=1] |
| 25 | %tmp9 = add <8 x i16> %tmp8, %tmp6 ; <<8 x i16>> [#uses=1] |
| 26 | %tmp10 = bitcast <8 x i16> %tmp9 to <2 x i64> ; <<2 x i64>> [#uses=1] |
| 27 | ret <2 x i64> %tmp10 |
| 28 | } |