Home | History | Annotate | Download | only in X86
      1 ; RUN: llc < %s -march=x86 -mcpu=nehalem -mattr=+sse4.2 | FileCheck %s
      2 ; CHECK: pextrd
      3 ; CHECK: pextrd
      4 ; CHECK: movd
      5 ; CHECK: movdqa
      6 
      7 
      8 ; bitcast v14i16 to v7i32
      9 
     10 define void @convert(<7 x i32>* %dst, <14 x i16>* %src) nounwind {
     11 entry:
     12 	%dst.addr = alloca <7 x i32>*		; <<7 x i32>**> [#uses=2]
     13 	%src.addr = alloca <14 x i16>*		; <<14 x i16>**> [#uses=2]
     14 	%i = alloca i32, align 4		; <i32*> [#uses=6]
     15 	store <7 x i32>* %dst, <7 x i32>** %dst.addr
     16 	store <14 x i16>* %src, <14 x i16>** %src.addr
     17 	store i32 0, i32* %i
     18 	br label %forcond
     19 
     20 forcond:		; preds = %forinc, %entry
     21 	%tmp = load i32, i32* %i		; <i32> [#uses=1]
     22 	%cmp = icmp slt i32 %tmp, 4		; <i1> [#uses=1]
     23 	br i1 %cmp, label %forbody, label %afterfor
     24 
     25 forbody:		; preds = %forcond
     26 	%tmp1 = load i32, i32* %i		; <i32> [#uses=1]
     27 	%tmp2 = load <7 x i32>*, <7 x i32>** %dst.addr		; <<2 x i32>*> [#uses=1]
     28 	%arrayidx = getelementptr <7 x i32>, <7 x i32>* %tmp2, i32 %tmp1		; <<7 x i32>*> [#uses=1]
     29 	%tmp3 = load i32, i32* %i		; <i32> [#uses=1]
     30 	%tmp4 = load <14 x i16>*, <14 x i16>** %src.addr		; <<4 x i16>*> [#uses=1]
     31 	%arrayidx5 = getelementptr <14 x i16>, <14 x i16>* %tmp4, i32 %tmp3		; <<4 x i16>*> [#uses=1]
     32 	%tmp6 = load <14 x i16>, <14 x i16>* %arrayidx5		; <<4 x i16>> [#uses=1]
     33 	%add = add <14 x i16> %tmp6, < i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1, i16 1 >		; <<4 x i16>> [#uses=1]
     34 	%conv = bitcast <14 x i16> %add to <7 x i32>		; <<7 x i32>> [#uses=1]
     35 	store <7 x i32> %conv, <7 x i32>* %arrayidx
     36 	br label %forinc
     37 
     38 forinc:		; preds = %forbody
     39 	%tmp7 = load i32, i32* %i		; <i32> [#uses=1]
     40 	%inc = add i32 %tmp7, 1		; <i32> [#uses=1]
     41 	store i32 %inc, i32* %i
     42 	br label %forcond
     43 
     44 afterfor:		; preds = %forcond
     45 	ret void
     46 }
     47