| Chris Lattner | ff392ab | 2010-12-19 20:12:58 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=x86 -mattr=+sse42 -post-RA-scheduler=true | FileCheck %s |
| Mon P Wang | 1a015ac | 2009-10-16 22:09:05 +0000 | [diff] [blame] | 2 | ; CHECK: paddw |
| Mon P Wang | 1a015ac | 2009-10-16 22:09:05 +0000 | [diff] [blame] | 3 | ; CHECK: pextrw |
| Evan Cheng | c436631 | 2009-10-18 19:57:27 +0000 | [diff] [blame] | 4 | ; CHECK: movd |
| Mon P Wang | 6e5f4bc | 2008-12-18 20:05:58 +0000 | [diff] [blame] | 5 | |
| 6 | ; Widen a v3i16 to v8i16 to do a vector add |
| 7 | |
| Mon P Wang | 6e5f4bc | 2008-12-18 20:05:58 +0000 | [diff] [blame] | 8 | @.str = internal constant [4 x i8] c"%d \00" ; <[4 x i8]*> [#uses=1] |
| 9 | @.str1 = internal constant [2 x i8] c"\0A\00" ; <[2 x i8]*> [#uses=1] |
| 10 | |
| 11 | define void @update(<3 x i16>* %dst, <3 x i16>* %src, i32 %n) nounwind { |
| 12 | entry: |
| 13 | %dst.addr = alloca <3 x i16>* ; <<3 x i16>**> [#uses=2] |
| 14 | %src.addr = alloca <3 x i16>* ; <<3 x i16>**> [#uses=2] |
| 15 | %n.addr = alloca i32 ; <i32*> [#uses=2] |
| 16 | %v = alloca <3 x i16>, align 8 ; <<3 x i16>*> [#uses=1] |
| 17 | %i = alloca i32, align 4 ; <i32*> [#uses=6] |
| 18 | store <3 x i16>* %dst, <3 x i16>** %dst.addr |
| 19 | store <3 x i16>* %src, <3 x i16>** %src.addr |
| 20 | store i32 %n, i32* %n.addr |
| 21 | store <3 x i16> < i16 1, i16 1, i16 1 >, <3 x i16>* %v |
| 22 | store i32 0, i32* %i |
| 23 | br label %forcond |
| 24 | |
| 25 | forcond: ; preds = %forinc, %entry |
| 26 | %tmp = load i32* %i ; <i32> [#uses=1] |
| 27 | %tmp1 = load i32* %n.addr ; <i32> [#uses=1] |
| 28 | %cmp = icmp slt i32 %tmp, %tmp1 ; <i1> [#uses=1] |
| 29 | br i1 %cmp, label %forbody, label %afterfor |
| 30 | |
| 31 | forbody: ; preds = %forcond |
| 32 | %tmp2 = load i32* %i ; <i32> [#uses=1] |
| 33 | %tmp3 = load <3 x i16>** %dst.addr ; <<3 x i16>*> [#uses=1] |
| 34 | %arrayidx = getelementptr <3 x i16>* %tmp3, i32 %tmp2 ; <<3 x i16>*> [#uses=1] |
| 35 | %tmp4 = load i32* %i ; <i32> [#uses=1] |
| 36 | %tmp5 = load <3 x i16>** %src.addr ; <<3 x i16>*> [#uses=1] |
| 37 | %arrayidx6 = getelementptr <3 x i16>* %tmp5, i32 %tmp4 ; <<3 x i16>*> [#uses=1] |
| 38 | %tmp7 = load <3 x i16>* %arrayidx6 ; <<3 x i16>> [#uses=1] |
| 39 | %add = add <3 x i16> %tmp7, < i16 1, i16 1, i16 1 > ; <<3 x i16>> [#uses=1] |
| 40 | store <3 x i16> %add, <3 x i16>* %arrayidx |
| 41 | br label %forinc |
| 42 | |
| 43 | forinc: ; preds = %forbody |
| 44 | %tmp8 = load i32* %i ; <i32> [#uses=1] |
| 45 | %inc = add i32 %tmp8, 1 ; <i32> [#uses=1] |
| 46 | store i32 %inc, i32* %i |
| 47 | br label %forcond |
| 48 | |
| 49 | afterfor: ; preds = %forcond |
| 50 | ret void |
| 51 | } |
| 52 | |