Home | History | Annotate | Download | only in X86
      1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
      2 ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse4.2 | FileCheck %s
      3 ; bitcast v14i16 to v7i32
      4 
      5 define void @convert(<7 x i32>* %dst, <14 x i16>* %src) nounwind {
      6 ; CHECK-LABEL: convert:
      7 ; CHECK:       # %bb.0: # %entry
      8 ; CHECK-NEXT:    pushl %eax
      9 ; CHECK-NEXT:    movl $0, (%esp)
     10 ; CHECK-NEXT:    pcmpeqd %xmm0, %xmm0
     11 ; CHECK-NEXT:    cmpl $3, (%esp)
     12 ; CHECK-NEXT:    jg .LBB0_3
     13 ; CHECK-NEXT:    .p2align 4, 0x90
     14 ; CHECK-NEXT:  .LBB0_2: # %forbody
     15 ; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
     16 ; CHECK-NEXT:    movl (%esp), %eax
     17 ; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %ecx
     18 ; CHECK-NEXT:    shll $5, %eax
     19 ; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %edx
     20 ; CHECK-NEXT:    movdqa (%edx,%eax), %xmm1
     21 ; CHECK-NEXT:    movdqa 16(%edx,%eax), %xmm2
     22 ; CHECK-NEXT:    psubw %xmm0, %xmm1
     23 ; CHECK-NEXT:    psubw %xmm0, %xmm2
     24 ; CHECK-NEXT:    pextrd $2, %xmm2, 24(%ecx,%eax)
     25 ; CHECK-NEXT:    pextrd $1, %xmm2, 20(%ecx,%eax)
     26 ; CHECK-NEXT:    movd %xmm2, 16(%ecx,%eax)
     27 ; CHECK-NEXT:    movdqa %xmm1, (%ecx,%eax)
     28 ; CHECK-NEXT:    incl (%esp)
     29 ; CHECK-NEXT:    cmpl $3, (%esp)
     30 ; CHECK-NEXT:    jle .LBB0_2
     31 ; CHECK-NEXT:  .LBB0_3: # %afterfor
     32 ; CHECK-NEXT:    popl %eax
     33 ; CHECK-NEXT:    retl
     34 entry:
     35 	%dst.addr = alloca <7 x i32>*
     36 	%src.addr = alloca <14 x i16>*
     37 	%i = alloca i32, align 4
     38 	store <7 x i32>* %dst, <7 x i32>** %dst.addr
     39 	store <14 x i16>* %src, <14 x i16>** %src.addr
     40 	store i32 0, i32* %i
     41 	br label %forcond
     42 
     43 forcond:
     44 	%tmp = load i32, i32* %i
     45 	%cmp = icmp slt i32 %tmp, 4
     46 	br i1 %cmp, label %forbody, label %afterfor
     47 
     48 forbody:
     49 	%tmp1 = load i32, i32* %i
     50 	%tmp2 = load <7 x i32>*, <7 x i32>** %dst.addr
     51 	%arrayidx = getelementptr <7 x i32>, <7 x i32>* %tmp2, i32 %tmp1
     52 	%tmp3 = load i32, i32* %i
     53 	%tmp4 = load <14 x i16>*, <14 x i16>** %src.addr
     54 	%arrayidx5 = getelementptr <14 x i16>, <14 x i16>* %tmp4, i32 %tmp3
     55 	%tmp6 = load <14 x i16>, <14 x i16>* %arrayidx5
     56 	%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 >
     57 	%conv = bitcast <14 x i16> %add to <7 x i32>
     58 	store <7 x i32> %conv, <7 x i32>* %arrayidx
     59 	br label %forinc
     60 
     61 forinc:
     62 	%tmp7 = load i32, i32* %i
     63 	%inc = add i32 %tmp7, 1
     64 	store i32 %inc, i32* %i
     65 	br label %forcond
     66 
     67 afterfor:
     68 	ret void
     69 }
     70