| Mon P Wang | 1d04548 | 2008-12-18 20:05:58 +0000 | [diff] [blame^] | 1 | ; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse42 -disable-mmx -o %t -f |
| 2 | ; RUN: grep paddb %t | count 1 |
| 3 | ; RUN: grep pextrb %t | count 1 |
| 4 | ; RUN: grep pextrw %t | count 1 |
| 5 | |
| 6 | ; Widen a v3i8 to v16i8 to use a vector add |
| 7 | |
| 8 | target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" |
| 9 | |
| 10 | define void @update(<3 x i8>* %dst, <3 x i8>* %src, i32 %n) nounwind { |
| 11 | entry: |
| 12 | %dst.addr = alloca <3 x i8>* ; <<3 x i8>**> [#uses=2] |
| 13 | %src.addr = alloca <3 x i8>* ; <<3 x i8>**> [#uses=2] |
| 14 | %n.addr = alloca i32 ; <i32*> [#uses=2] |
| 15 | %i = alloca i32, align 4 ; <i32*> [#uses=6] |
| 16 | store <3 x i8>* %dst, <3 x i8>** %dst.addr |
| 17 | store <3 x i8>* %src, <3 x i8>** %src.addr |
| 18 | store i32 %n, i32* %n.addr |
| 19 | store i32 0, i32* %i |
| 20 | br label %forcond |
| 21 | |
| 22 | forcond: ; preds = %forinc, %entry |
| 23 | %tmp = load i32* %i ; <i32> [#uses=1] |
| 24 | %tmp1 = load i32* %n.addr ; <i32> [#uses=1] |
| 25 | %cmp = icmp slt i32 %tmp, %tmp1 ; <i1> [#uses=1] |
| 26 | br i1 %cmp, label %forbody, label %afterfor |
| 27 | |
| 28 | forbody: ; preds = %forcond |
| 29 | %tmp2 = load i32* %i ; <i32> [#uses=1] |
| 30 | %tmp3 = load <3 x i8>** %dst.addr ; <<3 x i8>*> [#uses=1] |
| 31 | %arrayidx = getelementptr <3 x i8>* %tmp3, i32 %tmp2 ; <<3 x i8>*> [#uses=1] |
| 32 | %tmp4 = load i32* %i ; <i32> [#uses=1] |
| 33 | %tmp5 = load <3 x i8>** %src.addr ; <<3 x i8>*> [#uses=1] |
| 34 | %arrayidx6 = getelementptr <3 x i8>* %tmp5, i32 %tmp4 ; <<3 x i8>*> [#uses=1] |
| 35 | %tmp7 = load <3 x i8>* %arrayidx6 ; <<3 x i8>> [#uses=1] |
| 36 | %add = add <3 x i8> %tmp7, < i8 1, i8 1, i8 1 > ; <<3 x i8>> [#uses=1] |
| 37 | store <3 x i8> %add, <3 x i8>* %arrayidx |
| 38 | br label %forinc |
| 39 | |
| 40 | forinc: ; preds = %forbody |
| 41 | %tmp8 = load i32* %i ; <i32> [#uses=1] |
| 42 | %inc = add i32 %tmp8, 1 ; <i32> [#uses=1] |
| 43 | store i32 %inc, i32* %i |
| 44 | br label %forcond |
| 45 | |
| 46 | afterfor: ; preds = %forcond |
| 47 | ret void |
| 48 | } |