void unpack2(unsigned int *p, unsigned int *w) {
  int i;
  for (i = 0; i < 128; i += 32, p += 32, w += 2) {
    p[0] = (w[0] >> 30);
    p[1] = (w[0] >> 28) & 3;
    p[2] = (w[0] >> 26) & 3;
    p[3] = (w[0] >> 24) & 3;
    p[4] = (w[0] >> 22) & 3;
    p[5] = (w[0] >> 20) & 3;
    p[6] = (w[0] >> 18) & 3;
    p[7] = (w[0] >> 16) & 3;
    p[8] = (w[0] >> 14) & 3;
    p[9] = (w[0] >> 12) & 3;
    p[10] = (w[0] >> 10) & 3;
    p[11] = (w[0] >> 8) & 3;
    p[12] = (w[0] >> 6) & 3;
    p[13] = (w[0] >> 4) & 3;
    p[14] = (w[0] >> 2) & 3;
    p[15] = (w[0]) & 3;
    p[16] = (w[1] >> 30);
    p[17] = (w[1] >> 28) & 3;
    p[18] = (w[1] >> 26) & 3;
    p[19] = (w[1] >> 24) & 3;
    p[20] = (w[1] >> 22) & 3;
    p[21] = (w[1] >> 20) & 3;
    p[22] = (w[1] >> 18) & 3;
    p[23] = (w[1] >> 16) & 3;
    p[24] = (w[1] >> 14) & 3;
    p[25] = (w[1] >> 12) & 3;
    p[26] = (w[1] >> 10) & 3;
    p[27] = (w[1] >> 8) & 3;
    p[28] = (w[1] >> 6) & 3;
    p[29] = (w[1] >> 4) & 3;
    p[30] = (w[1] >> 2) & 3;
    p[31] = (w[1]) & 3;
  }
}


x86 assembly (clang, -O0):
<unpack2>:
push   %rbp
mov    %rsp,%rbp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
cmpl   $0x80,-0x14(%rbp)
jge    13ab <unpack2+0x2ab>
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0x1e,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0x1c,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x4(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0x1a,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x8(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0x18,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0xc(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0x16,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x10(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0x14,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x14(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0x12,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x18(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0x10,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x1c(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0xe,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x20(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0xc,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x24(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0xa,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x28(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0x8,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x2c(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0x6,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x30(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0x4,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x34(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0x2,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x38(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x3c(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0x1e,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x40(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0x1c,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x44(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0x1a,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x48(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0x18,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x4c(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0x16,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x50(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0x14,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x54(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0x12,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x58(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0x10,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x5c(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0xe,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x60(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0xc,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x64(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0xa,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x68(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0x8,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x6c(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0x6,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x70(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0x4,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x74(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0x2,%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x78(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
and    $0x3,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x7c(%rax)
mov    -0x14(%rbp),%eax
add    $0x20,%eax
mov    %eax,-0x14(%rbp)
mov    -0x8(%rbp),%rax
add    $0x80,%rax
mov    %rax,-0x8(%rbp)
mov    -0x10(%rbp),%rax
add    $0x8,%rax
mov    %rax,-0x10(%rbp)
jmp    1113 <unpack2+0x13>
pop    %rbp
ret

x86 assembly (clang, -O2):
<unpack2>:
mov    $0xffffffe0,%eax
cs nopw 0x0(%rax,%rax,1)
nop
mov    (%rsi),%ecx
shr    $0x1e,%ecx
mov    %ecx,(%rdi)
mov    (%rsi),%ecx
shr    $0x1c,%ecx
and    $0x3,%ecx
mov    %ecx,0x4(%rdi)
mov    (%rsi),%ecx
shr    $0x1a,%ecx
and    $0x3,%ecx
mov    %ecx,0x8(%rdi)
movzbl 0x3(%rsi),%ecx
and    $0x3,%ecx
mov    %ecx,0xc(%rdi)
mov    (%rsi),%ecx
shr    $0x16,%ecx
and    $0x3,%ecx
mov    %ecx,0x10(%rdi)
mov    (%rsi),%ecx
shr    $0x14,%ecx
and    $0x3,%ecx
mov    %ecx,0x14(%rdi)
mov    (%rsi),%ecx
shr    $0x12,%ecx
and    $0x3,%ecx
mov    %ecx,0x18(%rdi)
movzwl 0x2(%rsi),%ecx
and    $0x3,%ecx
mov    %ecx,0x1c(%rdi)
mov    (%rsi),%ecx
shr    $0xe,%ecx
and    $0x3,%ecx
mov    %ecx,0x20(%rdi)
mov    (%rsi),%ecx
shr    $0xc,%ecx
and    $0x3,%ecx
mov    %ecx,0x24(%rdi)
mov    (%rsi),%ecx
shr    $0xa,%ecx
and    $0x3,%ecx
mov    %ecx,0x28(%rdi)
mov    (%rsi),%ecx
shr    $0x8,%ecx
and    $0x3,%ecx
mov    %ecx,0x2c(%rdi)
mov    (%rsi),%ecx
shr    $0x6,%ecx
and    $0x3,%ecx
mov    %ecx,0x30(%rdi)
mov    (%rsi),%ecx
shr    $0x4,%ecx
and    $0x3,%ecx
mov    %ecx,0x34(%rdi)
mov    (%rsi),%ecx
shr    $0x2,%ecx
and    $0x3,%ecx
mov    %ecx,0x38(%rdi)
mov    (%rsi),%ecx
and    $0x3,%ecx
mov    %ecx,0x3c(%rdi)
mov    0x4(%rsi),%ecx
shr    $0x1e,%ecx
mov    %ecx,0x40(%rdi)
mov    0x4(%rsi),%ecx
shr    $0x1c,%ecx
and    $0x3,%ecx
mov    %ecx,0x44(%rdi)
mov    0x4(%rsi),%ecx
shr    $0x1a,%ecx
and    $0x3,%ecx
mov    %ecx,0x48(%rdi)
movzbl 0x7(%rsi),%ecx
and    $0x3,%ecx
mov    %ecx,0x4c(%rdi)
mov    0x4(%rsi),%ecx
shr    $0x16,%ecx
and    $0x3,%ecx
mov    %ecx,0x50(%rdi)
mov    0x4(%rsi),%ecx
shr    $0x14,%ecx
and    $0x3,%ecx
mov    %ecx,0x54(%rdi)
mov    0x4(%rsi),%ecx
shr    $0x12,%ecx
and    $0x3,%ecx
mov    %ecx,0x58(%rdi)
movzwl 0x6(%rsi),%ecx
and    $0x3,%ecx
mov    %ecx,0x5c(%rdi)
mov    0x4(%rsi),%ecx
shr    $0xe,%ecx
and    $0x3,%ecx
mov    %ecx,0x60(%rdi)
mov    0x4(%rsi),%ecx
shr    $0xc,%ecx
and    $0x3,%ecx
mov    %ecx,0x64(%rdi)
mov    0x4(%rsi),%ecx
shr    $0xa,%ecx
and    $0x3,%ecx
mov    %ecx,0x68(%rdi)
mov    0x4(%rsi),%ecx
shr    $0x8,%ecx
and    $0x3,%ecx
mov    %ecx,0x6c(%rdi)
mov    0x4(%rsi),%ecx
shr    $0x6,%ecx
and    $0x3,%ecx
mov    %ecx,0x70(%rdi)
mov    0x4(%rsi),%ecx
shr    $0x4,%ecx
and    $0x3,%ecx
mov    %ecx,0x74(%rdi)
mov    0x4(%rsi),%ecx
shr    $0x2,%ecx
and    $0x3,%ecx
mov    %ecx,0x78(%rdi)
mov    0x4(%rsi),%ecx
and    $0x3,%ecx
mov    %ecx,0x7c(%rdi)
add    $0x20,%eax
add    $0x8,%rsi
sub    $0xffffffffffffff80,%rdi
cmp    $0x60,%eax
jb     1110 <unpack2+0x10>
ret

LLVM IR (-O0):
define void @unpack2(i32* %0, i32* %1) {
%3 = alloca i32*
%4 = alloca i32*
%5 = alloca i32
store i32* %0, i32** %3
store i32* %1, i32** %4
store i32 0, i32* %5
br label %6
6: ; preds = %230, %2
%7 = load i32, i32* %5
%8 = icmp slt i32 %7, 128
br i1 %8, label %9, label %237
9: ; preds = %6
%10 = load i32*, i32** %4
%11 = getelementptr inbounds i32, i32* %10, i64 0
%12 = load i32, i32* %11
%13 = lshr i32 %12, 30
%14 = load i32*, i32** %3
%15 = getelementptr inbounds i32, i32* %14, i64 0
store i32 %13, i32* %15
%16 = load i32*, i32** %4
%17 = getelementptr inbounds i32, i32* %16, i64 0
%18 = load i32, i32* %17
%19 = lshr i32 %18, 28
%20 = and i32 %19, 3
%21 = load i32*, i32** %3
%22 = getelementptr inbounds i32, i32* %21, i64 1
store i32 %20, i32* %22
%23 = load i32*, i32** %4
%24 = getelementptr inbounds i32, i32* %23, i64 0
%25 = load i32, i32* %24
%26 = lshr i32 %25, 26
%27 = and i32 %26, 3
%28 = load i32*, i32** %3
%29 = getelementptr inbounds i32, i32* %28, i64 2
store i32 %27, i32* %29
%30 = load i32*, i32** %4
%31 = getelementptr inbounds i32, i32* %30, i64 0
%32 = load i32, i32* %31
%33 = lshr i32 %32, 24
%34 = and i32 %33, 3
%35 = load i32*, i32** %3
%36 = getelementptr inbounds i32, i32* %35, i64 3
store i32 %34, i32* %36
%37 = load i32*, i32** %4
%38 = getelementptr inbounds i32, i32* %37, i64 0
%39 = load i32, i32* %38
%40 = lshr i32 %39, 22
%41 = and i32 %40, 3
%42 = load i32*, i32** %3
%43 = getelementptr inbounds i32, i32* %42, i64 4
store i32 %41, i32* %43
%44 = load i32*, i32** %4
%45 = getelementptr inbounds i32, i32* %44, i64 0
%46 = load i32, i32* %45
%47 = lshr i32 %46, 20
%48 = and i32 %47, 3
%49 = load i32*, i32** %3
%50 = getelementptr inbounds i32, i32* %49, i64 5
store i32 %48, i32* %50
%51 = load i32*, i32** %4
%52 = getelementptr inbounds i32, i32* %51, i64 0
%53 = load i32, i32* %52
%54 = lshr i32 %53, 18
%55 = and i32 %54, 3
%56 = load i32*, i32** %3
%57 = getelementptr inbounds i32, i32* %56, i64 6
store i32 %55, i32* %57
%58 = load i32*, i32** %4
%59 = getelementptr inbounds i32, i32* %58, i64 0
%60 = load i32, i32* %59
%61 = lshr i32 %60, 16
%62 = and i32 %61, 3
%63 = load i32*, i32** %3
%64 = getelementptr inbounds i32, i32* %63, i64 7
store i32 %62, i32* %64
%65 = load i32*, i32** %4
%66 = getelementptr inbounds i32, i32* %65, i64 0
%67 = load i32, i32* %66
%68 = lshr i32 %67, 14
%69 = and i32 %68, 3
%70 = load i32*, i32** %3
%71 = getelementptr inbounds i32, i32* %70, i64 8
store i32 %69, i32* %71
%72 = load i32*, i32** %4
%73 = getelementptr inbounds i32, i32* %72, i64 0
%74 = load i32, i32* %73
%75 = lshr i32 %74, 12
%76 = and i32 %75, 3
%77 = load i32*, i32** %3
%78 = getelementptr inbounds i32, i32* %77, i64 9
store i32 %76, i32* %78
%79 = load i32*, i32** %4
%80 = getelementptr inbounds i32, i32* %79, i64 0
%81 = load i32, i32* %80
%82 = lshr i32 %81, 10
%83 = and i32 %82, 3
%84 = load i32*, i32** %3
%85 = getelementptr inbounds i32, i32* %84, i64 10
store i32 %83, i32* %85
%86 = load i32*, i32** %4
%87 = getelementptr inbounds i32, i32* %86, i64 0
%88 = load i32, i32* %87
%89 = lshr i32 %88, 8
%90 = and i32 %89, 3
%91 = load i32*, i32** %3
%92 = getelementptr inbounds i32, i32* %91, i64 11
store i32 %90, i32* %92
%93 = load i32*, i32** %4
%94 = getelementptr inbounds i32, i32* %93, i64 0
%95 = load i32, i32* %94
%96 = lshr i32 %95, 6
%97 = and i32 %96, 3
%98 = load i32*, i32** %3
%99 = getelementptr inbounds i32, i32* %98, i64 12
store i32 %97, i32* %99
%100 = load i32*, i32** %4
%101 = getelementptr inbounds i32, i32* %100, i64 0
%102 = load i32, i32* %101
%103 = lshr i32 %102, 4
%104 = and i32 %103, 3
%105 = load i32*, i32** %3
%106 = getelementptr inbounds i32, i32* %105, i64 13
store i32 %104, i32* %106
%107 = load i32*, i32** %4
%108 = getelementptr inbounds i32, i32* %107, i64 0
%109 = load i32, i32* %108
%110 = lshr i32 %109, 2
%111 = and i32 %110, 3
%112 = load i32*, i32** %3
%113 = getelementptr inbounds i32, i32* %112, i64 14
store i32 %111, i32* %113
%114 = load i32*, i32** %4
%115 = getelementptr inbounds i32, i32* %114, i64 0
%116 = load i32, i32* %115
%117 = and i32 %116, 3
%118 = load i32*, i32** %3
%119 = getelementptr inbounds i32, i32* %118, i64 15
store i32 %117, i32* %119
%120 = load i32*, i32** %4
%121 = getelementptr inbounds i32, i32* %120, i64 1
%122 = load i32, i32* %121
%123 = lshr i32 %122, 30
%124 = load i32*, i32** %3
%125 = getelementptr inbounds i32, i32* %124, i64 16
store i32 %123, i32* %125
%126 = load i32*, i32** %4
%127 = getelementptr inbounds i32, i32* %126, i64 1
%128 = load i32, i32* %127
%129 = lshr i32 %128, 28
%130 = and i32 %129, 3
%131 = load i32*, i32** %3
%132 = getelementptr inbounds i32, i32* %131, i64 17
store i32 %130, i32* %132
%133 = load i32*, i32** %4
%134 = getelementptr inbounds i32, i32* %133, i64 1
%135 = load i32, i32* %134
%136 = lshr i32 %135, 26
%137 = and i32 %136, 3
%138 = load i32*, i32** %3
%139 = getelementptr inbounds i32, i32* %138, i64 18
store i32 %137, i32* %139
%140 = load i32*, i32** %4
%141 = getelementptr inbounds i32, i32* %140, i64 1
%142 = load i32, i32* %141
%143 = lshr i32 %142, 24
%144 = and i32 %143, 3
%145 = load i32*, i32** %3
%146 = getelementptr inbounds i32, i32* %145, i64 19
store i32 %144, i32* %146
%147 = load i32*, i32** %4
%148 = getelementptr inbounds i32, i32* %147, i64 1
%149 = load i32, i32* %148
%150 = lshr i32 %149, 22
%151 = and i32 %150, 3
%152 = load i32*, i32** %3
%153 = getelementptr inbounds i32, i32* %152, i64 20
store i32 %151, i32* %153
%154 = load i32*, i32** %4
%155 = getelementptr inbounds i32, i32* %154, i64 1
%156 = load i32, i32* %155
%157 = lshr i32 %156, 20
%158 = and i32 %157, 3
%159 = load i32*, i32** %3
%160 = getelementptr inbounds i32, i32* %159, i64 21
store i32 %158, i32* %160
%161 = load i32*, i32** %4
%162 = getelementptr inbounds i32, i32* %161, i64 1
%163 = load i32, i32* %162
%164 = lshr i32 %163, 18
%165 = and i32 %164, 3
%166 = load i32*, i32** %3
%167 = getelementptr inbounds i32, i32* %166, i64 22
store i32 %165, i32* %167
%168 = load i32*, i32** %4
%169 = getelementptr inbounds i32, i32* %168, i64 1
%170 = load i32, i32* %169
%171 = lshr i32 %170, 16
%172 = and i32 %171, 3
%173 = load i32*, i32** %3
%174 = getelementptr inbounds i32, i32* %173, i64 23
store i32 %172, i32* %174
%175 = load i32*, i32** %4
%176 = getelementptr inbounds i32, i32* %175, i64 1
%177 = load i32, i32* %176
%178 = lshr i32 %177, 14
%179 = and i32 %178, 3
%180 = load i32*, i32** %3
%181 = getelementptr inbounds i32, i32* %180, i64 24
store i32 %179, i32* %181
%182 = load i32*, i32** %4
%183 = getelementptr inbounds i32, i32* %182, i64 1
%184 = load i32, i32* %183
%185 = lshr i32 %184, 12
%186 = and i32 %185, 3
%187 = load i32*, i32** %3
%188 = getelementptr inbounds i32, i32* %187, i64 25
store i32 %186, i32* %188
%189 = load i32*, i32** %4
%190 = getelementptr inbounds i32, i32* %189, i64 1
%191 = load i32, i32* %190
%192 = lshr i32 %191, 10
%193 = and i32 %192, 3
%194 = load i32*, i32** %3
%195 = getelementptr inbounds i32, i32* %194, i64 26
store i32 %193, i32* %195
%196 = load i32*, i32** %4
%197 = getelementptr inbounds i32, i32* %196, i64 1
%198 = load i32, i32* %197
%199 = lshr i32 %198, 8
%200 = and i32 %199, 3
%201 = load i32*, i32** %3
%202 = getelementptr inbounds i32, i32* %201, i64 27
store i32 %200, i32* %202
%203 = load i32*, i32** %4
%204 = getelementptr inbounds i32, i32* %203, i64 1
%205 = load i32, i32* %204
%206 = lshr i32 %205, 6
%207 = and i32 %206, 3
%208 = load i32*, i32** %3
%209 = getelementptr inbounds i32, i32* %208, i64 28
store i32 %207, i32* %209
%210 = load i32*, i32** %4
%211 = getelementptr inbounds i32, i32* %210, i64 1
%212 = load i32, i32* %211
%213 = lshr i32 %212, 4
%214 = and i32 %213, 3
%215 = load i32*, i32** %3
%216 = getelementptr inbounds i32, i32* %215, i64 29
store i32 %214, i32* %216
%217 = load i32*, i32** %4
%218 = getelementptr inbounds i32, i32* %217, i64 1
%219 = load i32, i32* %218
%220 = lshr i32 %219, 2
%221 = and i32 %220, 3
%222 = load i32*, i32** %3
%223 = getelementptr inbounds i32, i32* %222, i64 30
store i32 %221, i32* %223
%224 = load i32*, i32** %4
%225 = getelementptr inbounds i32, i32* %224, i64 1
%226 = load i32, i32* %225
%227 = and i32 %226, 3
%228 = load i32*, i32** %3
%229 = getelementptr inbounds i32, i32* %228, i64 31
store i32 %227, i32* %229
br label %230
230: ; preds = %9
%231 = load i32, i32* %5
%232 = add nsw i32 %231, 32
store i32 %232, i32* %5
%233 = load i32*, i32** %3
%234 = getelementptr inbounds i32, i32* %233, i64 32
store i32* %234, i32** %3
%235 = load i32*, i32** %4
%236 = getelementptr inbounds i32, i32* %235, i64 2
store i32* %236, i32** %4
br label %6
237: ; preds = %6
ret void
}

LLVM IR (-O2):
define void @unpack2(i32* writeonly %0, i32* nocapture %1) {
br label %3
3: ; preds = %2, %3
%4 = phi i32 [ 0, %2 ], [ %131, %3 ]
%5 = phi i32* [ %1, %2 ], [ %133, %3 ]
%6 = phi i32* [ %0, %2 ], [ %132, %3 ]
%7 = load i32, i32* %5
%8 = lshr i32 %7, 30
store i32 %8, i32* %6
%9 = load i32, i32* %5
%10 = lshr i32 %9, 28
%11 = and i32 %10, 3
%12 = getelementptr inbounds i32, i32* %6, i64 1
store i32 %11, i32* %12
%13 = load i32, i32* %5
%14 = lshr i32 %13, 26
%15 = and i32 %14, 3
%16 = getelementptr inbounds i32, i32* %6, i64 2
store i32 %15, i32* %16
%17 = load i32, i32* %5
%18 = lshr i32 %17, 24
%19 = and i32 %18, 3
%20 = getelementptr inbounds i32, i32* %6, i64 3
store i32 %19, i32* %20
%21 = load i32, i32* %5
%22 = lshr i32 %21, 22
%23 = and i32 %22, 3
%24 = getelementptr inbounds i32, i32* %6, i64 4
store i32 %23, i32* %24
%25 = load i32, i32* %5
%26 = lshr i32 %25, 20
%27 = and i32 %26, 3
%28 = getelementptr inbounds i32, i32* %6, i64 5
store i32 %27, i32* %28
%29 = load i32, i32* %5
%30 = lshr i32 %29, 18
%31 = and i32 %30, 3
%32 = getelementptr inbounds i32, i32* %6, i64 6
store i32 %31, i32* %32
%33 = load i32, i32* %5
%34 = lshr i32 %33, 16
%35 = and i32 %34, 3
%36 = getelementptr inbounds i32, i32* %6, i64 7
store i32 %35, i32* %36
%37 = load i32, i32* %5
%38 = lshr i32 %37, 14
%39 = and i32 %38, 3
%40 = getelementptr inbounds i32, i32* %6, i64 8
store i32 %39, i32* %40
%41 = load i32, i32* %5
%42 = lshr i32 %41, 12
%43 = and i32 %42, 3
%44 = getelementptr inbounds i32, i32* %6, i64 9
store i32 %43, i32* %44
%45 = load i32, i32* %5
%46 = lshr i32 %45, 10
%47 = and i32 %46, 3
%48 = getelementptr inbounds i32, i32* %6, i64 10
store i32 %47, i32* %48
%49 = load i32, i32* %5
%50 = lshr i32 %49, 8
%51 = and i32 %50, 3
%52 = getelementptr inbounds i32, i32* %6, i64 11
store i32 %51, i32* %52
%53 = load i32, i32* %5
%54 = lshr i32 %53, 6
%55 = and i32 %54, 3
%56 = getelementptr inbounds i32, i32* %6, i64 12
store i32 %55, i32* %56
%57 = load i32, i32* %5
%58 = lshr i32 %57, 4
%59 = and i32 %58, 3
%60 = getelementptr inbounds i32, i32* %6, i64 13
store i32 %59, i32* %60
%61 = load i32, i32* %5
%62 = lshr i32 %61, 2
%63 = and i32 %62, 3
%64 = getelementptr inbounds i32, i32* %6, i64 14
store i32 %63, i32* %64
%65 = load i32, i32* %5
%66 = and i32 %65, 3
%67 = getelementptr inbounds i32, i32* %6, i64 15
store i32 %66, i32* %67
%68 = getelementptr inbounds i32, i32* %5, i64 1
%69 = load i32, i32* %68
%70 = lshr i32 %69, 30
%71 = getelementptr inbounds i32, i32* %6, i64 16
store i32 %70, i32* %71
%72 = load i32, i32* %68
%73 = lshr i32 %72, 28
%74 = and i32 %73, 3
%75 = getelementptr inbounds i32, i32* %6, i64 17
store i32 %74, i32* %75
%76 = load i32, i32* %68
%77 = lshr i32 %76, 26
%78 = and i32 %77, 3
%79 = getelementptr inbounds i32, i32* %6, i64 18
store i32 %78, i32* %79
%80 = load i32, i32* %68
%81 = lshr i32 %80, 24
%82 = and i32 %81, 3
%83 = getelementptr inbounds i32, i32* %6, i64 19
store i32 %82, i32* %83
%84 = load i32, i32* %68
%85 = lshr i32 %84, 22
%86 = and i32 %85, 3
%87 = getelementptr inbounds i32, i32* %6, i64 20
store i32 %86, i32* %87
%88 = load i32, i32* %68
%89 = lshr i32 %88, 20
%90 = and i32 %89, 3
%91 = getelementptr inbounds i32, i32* %6, i64 21
store i32 %90, i32* %91
%92 = load i32, i32* %68
%93 = lshr i32 %92, 18
%94 = and i32 %93, 3
%95 = getelementptr inbounds i32, i32* %6, i64 22
store i32 %94, i32* %95
%96 = load i32, i32* %68
%97 = lshr i32 %96, 16
%98 = and i32 %97, 3
%99 = getelementptr inbounds i32, i32* %6, i64 23
store i32 %98, i32* %99
%100 = load i32, i32* %68
%101 = lshr i32 %100, 14
%102 = and i32 %101, 3
%103 = getelementptr inbounds i32, i32* %6, i64 24
store i32 %102, i32* %103
%104 = load i32, i32* %68
%105 = lshr i32 %104, 12
%106 = and i32 %105, 3
%107 = getelementptr inbounds i32, i32* %6, i64 25
store i32 %106, i32* %107
%108 = load i32, i32* %68
%109 = lshr i32 %108, 10
%110 = and i32 %109, 3
%111 = getelementptr inbounds i32, i32* %6, i64 26
store i32 %110, i32* %111
%112 = load i32, i32* %68
%113 = lshr i32 %112, 8
%114 = and i32 %113, 3
%115 = getelementptr inbounds i32, i32* %6, i64 27
store i32 %114, i32* %115
%116 = load i32, i32* %68
%117 = lshr i32 %116, 6
%118 = and i32 %117, 3
%119 = getelementptr inbounds i32, i32* %6, i64 28
store i32 %118, i32* %119
%120 = load i32, i32* %68
%121 = lshr i32 %120, 4
%122 = and i32 %121, 3
%123 = getelementptr inbounds i32, i32* %6, i64 29
store i32 %122, i32* %123
%124 = load i32, i32* %68
%125 = lshr i32 %124, 2
%126 = and i32 %125, 3
%127 = getelementptr inbounds i32, i32* %6, i64 30
store i32 %126, i32* %127
%128 = load i32, i32* %68
%129 = and i32 %128, 3
%130 = getelementptr inbounds i32, i32* %6, i64 31
store i32 %129, i32* %130
%131 = add nuw nsw i32 %4, 32
%132 = getelementptr inbounds i32, i32* %6, i64 32
%133 = getelementptr inbounds i32, i32* %5, i64 2
%134 = icmp ult i32 %4, 96
br i1 %134, label %3, label %135
135: ; preds = %3
ret void
}