void unpack6(unsigned int *p, unsigned int *w) {
  int i;
  for (i = 0; i < 128; i += 32, p += 32, w += 6) {
    p[0] = (w[0] >> 26);
    p[1] = (w[0] >> 20) & 63;
    p[2] = (w[0] >> 14) & 63;
    p[3] = (w[0] >> 8) & 63;
    p[4] = (w[0] >> 2) & 63;
    p[5] = (w[0] << 4) & 63;
    p[5] |= (w[1] >> 28);
    p[6] = (w[1] >> 22) & 63;
    p[7] = (w[1] >> 16) & 63;
    p[8] = (w[1] >> 10) & 63;
    p[9] = (w[1] >> 4) & 63;
    p[10] = (w[1] << 2) & 63;
    p[10] |= (w[2] >> 30);
    p[11] = (w[2] >> 24) & 63;
    p[12] = (w[2] >> 18) & 63;
    p[13] = (w[2] >> 12) & 63;
    p[14] = (w[2] >> 6) & 63;
    p[15] = (w[2]) & 63;
    p[16] = (w[3] >> 26);
    p[17] = (w[3] >> 20) & 63;
    p[18] = (w[3] >> 14) & 63;
    p[19] = (w[3] >> 8) & 63;
    p[20] = (w[3] >> 2) & 63;
    p[21] = (w[3] << 4) & 63;
    p[21] |= (w[4] >> 28);
    p[22] = (w[4] >> 22) & 63;
    p[23] = (w[4] >> 16) & 63;
    p[24] = (w[4] >> 10) & 63;
    p[25] = (w[4] >> 4) & 63;
    p[26] = (w[4] << 2) & 63;
    p[26] |= (w[5] >> 30);
    p[27] = (w[5] >> 24) & 63;
    p[28] = (w[5] >> 18) & 63;
    p[29] = (w[5] >> 12) & 63;
    p[30] = (w[5] >> 6) & 63;
    p[31] = (w[5]) & 63;
  }
}


x86 assembly (clang, -O0):
<unpack6>:
push   %rbp
mov    %rsp,%rbp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
cmpl   $0x80,-0x14(%rbp)
jge    1405 <unpack6+0x305>
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0x1a,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0x14,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x4(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0xe,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x8(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0x8,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0xc(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shr    $0x2,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x10(%rax)
mov    -0x10(%rbp),%rax
mov    (%rax),%ecx
shl    $0x4,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x14(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0x1c,%ecx
mov    -0x8(%rbp),%rax
or     0x14(%rax),%ecx
mov    %ecx,0x14(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0x16,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x18(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0x10,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x1c(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0xa,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x20(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shr    $0x4,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x24(%rax)
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%ecx
shl    $0x2,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x28(%rax)
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%ecx
shr    $0x1e,%ecx
mov    -0x8(%rbp),%rax
or     0x28(%rax),%ecx
mov    %ecx,0x28(%rax)
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%ecx
shr    $0x18,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x2c(%rax)
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%ecx
shr    $0x12,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x30(%rax)
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%ecx
shr    $0xc,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x34(%rax)
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%ecx
shr    $0x6,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x38(%rax)
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x3c(%rax)
mov    -0x10(%rbp),%rax
mov    0xc(%rax),%ecx
shr    $0x1a,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x40(%rax)
mov    -0x10(%rbp),%rax
mov    0xc(%rax),%ecx
shr    $0x14,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x44(%rax)
mov    -0x10(%rbp),%rax
mov    0xc(%rax),%ecx
shr    $0xe,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x48(%rax)
mov    -0x10(%rbp),%rax
mov    0xc(%rax),%ecx
shr    $0x8,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x4c(%rax)
mov    -0x10(%rbp),%rax
mov    0xc(%rax),%ecx
shr    $0x2,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x50(%rax)
mov    -0x10(%rbp),%rax
mov    0xc(%rax),%ecx
shl    $0x4,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x54(%rax)
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%ecx
shr    $0x1c,%ecx
mov    -0x8(%rbp),%rax
or     0x54(%rax),%ecx
mov    %ecx,0x54(%rax)
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%ecx
shr    $0x16,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x58(%rax)
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%ecx
shr    $0x10,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x5c(%rax)
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%ecx
shr    $0xa,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x60(%rax)
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%ecx
shr    $0x4,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x64(%rax)
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%ecx
shl    $0x2,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x68(%rax)
mov    -0x10(%rbp),%rax
mov    0x14(%rax),%ecx
shr    $0x1e,%ecx
mov    -0x8(%rbp),%rax
or     0x68(%rax),%ecx
mov    %ecx,0x68(%rax)
mov    -0x10(%rbp),%rax
mov    0x14(%rax),%ecx
shr    $0x18,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x6c(%rax)
mov    -0x10(%rbp),%rax
mov    0x14(%rax),%ecx
shr    $0x12,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x70(%rax)
mov    -0x10(%rbp),%rax
mov    0x14(%rax),%ecx
shr    $0xc,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x74(%rax)
mov    -0x10(%rbp),%rax
mov    0x14(%rax),%ecx
shr    $0x6,%ecx
and    $0x3f,%ecx
mov    -0x8(%rbp),%rax
mov    %ecx,0x78(%rax)
mov    -0x10(%rbp),%rax
mov    0x14(%rax),%ecx
and    $0x3f,%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    $0x18,%rax
mov    %rax,-0x10(%rbp)
jmp    1113 <unpack6+0x13>
pop    %rbp
ret

x86 assembly (clang, -O2):
<unpack6>:
mov    $0xffffffe0,%eax
cs nopw 0x0(%rax,%rax,1)
nop
mov    (%rsi),%ecx
shr    $0x1a,%ecx
mov    %ecx,(%rdi)
mov    (%rsi),%ecx
shr    $0x14,%ecx
and    $0x3f,%ecx
mov    %ecx,0x4(%rdi)
mov    (%rsi),%ecx
shr    $0xe,%ecx
and    $0x3f,%ecx
mov    %ecx,0x8(%rdi)
mov    (%rsi),%ecx
shr    $0x8,%ecx
and    $0x3f,%ecx
mov    %ecx,0xc(%rdi)
mov    (%rsi),%ecx
shr    $0x2,%ecx
and    $0x3f,%ecx
mov    %ecx,0x10(%rdi)
mov    (%rsi),%ecx
mov    %ecx,%edx
shl    $0x4,%edx
and    $0x30,%edx
mov    %edx,0x14(%rdi)
mov    0x4(%rsi),%edx
shrd   $0x1c,%ecx,%edx
and    $0x3f,%edx
mov    %edx,0x14(%rdi)
mov    0x4(%rsi),%ecx
shr    $0x16,%ecx
and    $0x3f,%ecx
mov    %ecx,0x18(%rdi)
movzwl 0x6(%rsi),%ecx
and    $0x3f,%ecx
mov    %ecx,0x1c(%rdi)
mov    0x4(%rsi),%ecx
shr    $0xa,%ecx
and    $0x3f,%ecx
mov    %ecx,0x20(%rdi)
mov    0x4(%rsi),%ecx
shr    $0x4,%ecx
and    $0x3f,%ecx
mov    %ecx,0x24(%rdi)
mov    0x4(%rsi),%ecx
lea    0x0(,%rcx,4),%edx
and    $0x3c,%edx
mov    %edx,0x28(%rdi)
mov    0x8(%rsi),%edx
shrd   $0x1e,%ecx,%edx
and    $0x3f,%edx
mov    %edx,0x28(%rdi)
movzbl 0xb(%rsi),%ecx
and    $0x3f,%ecx
mov    %ecx,0x2c(%rdi)
mov    0x8(%rsi),%ecx
shr    $0x12,%ecx
and    $0x3f,%ecx
mov    %ecx,0x30(%rdi)
mov    0x8(%rsi),%ecx
shr    $0xc,%ecx
and    $0x3f,%ecx
mov    %ecx,0x34(%rdi)
mov    0x8(%rsi),%ecx
shr    $0x6,%ecx
and    $0x3f,%ecx
mov    %ecx,0x38(%rdi)
mov    0x8(%rsi),%ecx
and    $0x3f,%ecx
mov    %ecx,0x3c(%rdi)
mov    0xc(%rsi),%ecx
shr    $0x1a,%ecx
mov    %ecx,0x40(%rdi)
mov    0xc(%rsi),%ecx
shr    $0x14,%ecx
and    $0x3f,%ecx
mov    %ecx,0x44(%rdi)
mov    0xc(%rsi),%ecx
shr    $0xe,%ecx
and    $0x3f,%ecx
mov    %ecx,0x48(%rdi)
mov    0xc(%rsi),%ecx
shr    $0x8,%ecx
and    $0x3f,%ecx
mov    %ecx,0x4c(%rdi)
mov    0xc(%rsi),%ecx
shr    $0x2,%ecx
and    $0x3f,%ecx
mov    %ecx,0x50(%rdi)
mov    0xc(%rsi),%ecx
mov    %ecx,%edx
shl    $0x4,%edx
and    $0x30,%edx
mov    %edx,0x54(%rdi)
mov    0x10(%rsi),%edx
shrd   $0x1c,%ecx,%edx
and    $0x3f,%edx
mov    %edx,0x54(%rdi)
mov    0x10(%rsi),%ecx
shr    $0x16,%ecx
and    $0x3f,%ecx
mov    %ecx,0x58(%rdi)
movzwl 0x12(%rsi),%ecx
and    $0x3f,%ecx
mov    %ecx,0x5c(%rdi)
mov    0x10(%rsi),%ecx
shr    $0xa,%ecx
and    $0x3f,%ecx
mov    %ecx,0x60(%rdi)
mov    0x10(%rsi),%ecx
shr    $0x4,%ecx
and    $0x3f,%ecx
mov    %ecx,0x64(%rdi)
mov    0x10(%rsi),%ecx
lea    0x0(,%rcx,4),%edx
and    $0x3c,%edx
mov    %edx,0x68(%rdi)
mov    0x14(%rsi),%edx
shrd   $0x1e,%ecx,%edx
and    $0x3f,%edx
mov    %edx,0x68(%rdi)
movzbl 0x17(%rsi),%ecx
and    $0x3f,%ecx
mov    %ecx,0x6c(%rdi)
mov    0x14(%rsi),%ecx
shr    $0x12,%ecx
and    $0x3f,%ecx
mov    %ecx,0x70(%rdi)
mov    0x14(%rsi),%ecx
shr    $0xc,%ecx
and    $0x3f,%ecx
mov    %ecx,0x74(%rdi)
mov    0x14(%rsi),%ecx
shr    $0x6,%ecx
and    $0x3f,%ecx
mov    %ecx,0x78(%rdi)
mov    0x14(%rsi),%ecx
and    $0x3f,%ecx
mov    %ecx,0x7c(%rdi)
add    $0x20,%eax
add    $0x18,%rsi
sub    $0xffffffffffffff80,%rdi
cmp    $0x60,%eax
jb     1110 <unpack6+0x10>
ret

LLVM IR (-O0):
define void @unpack6(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 = %262, %2
%7 = load i32, i32* %5
%8 = icmp slt i32 %7, 128
br i1 %8, label %9, label %269
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, 26
%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, 20
%20 = and i32 %19, 63
%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, 14
%27 = and i32 %26, 63
%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, 8
%34 = and i32 %33, 63
%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, 2
%41 = and i32 %40, 63
%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 = shl i32 %46, 4
%48 = and i32 %47, 63
%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 1
%53 = load i32, i32* %52
%54 = lshr i32 %53, 28
%55 = load i32*, i32** %3
%56 = getelementptr inbounds i32, i32* %55, i64 5
%57 = load i32, i32* %56
%58 = or i32 %57, %54
store i32 %58, i32* %56
%59 = load i32*, i32** %4
%60 = getelementptr inbounds i32, i32* %59, i64 1
%61 = load i32, i32* %60
%62 = lshr i32 %61, 22
%63 = and i32 %62, 63
%64 = load i32*, i32** %3
%65 = getelementptr inbounds i32, i32* %64, i64 6
store i32 %63, i32* %65
%66 = load i32*, i32** %4
%67 = getelementptr inbounds i32, i32* %66, i64 1
%68 = load i32, i32* %67
%69 = lshr i32 %68, 16
%70 = and i32 %69, 63
%71 = load i32*, i32** %3
%72 = getelementptr inbounds i32, i32* %71, i64 7
store i32 %70, i32* %72
%73 = load i32*, i32** %4
%74 = getelementptr inbounds i32, i32* %73, i64 1
%75 = load i32, i32* %74
%76 = lshr i32 %75, 10
%77 = and i32 %76, 63
%78 = load i32*, i32** %3
%79 = getelementptr inbounds i32, i32* %78, i64 8
store i32 %77, i32* %79
%80 = load i32*, i32** %4
%81 = getelementptr inbounds i32, i32* %80, i64 1
%82 = load i32, i32* %81
%83 = lshr i32 %82, 4
%84 = and i32 %83, 63
%85 = load i32*, i32** %3
%86 = getelementptr inbounds i32, i32* %85, i64 9
store i32 %84, i32* %86
%87 = load i32*, i32** %4
%88 = getelementptr inbounds i32, i32* %87, i64 1
%89 = load i32, i32* %88
%90 = shl i32 %89, 2
%91 = and i32 %90, 63
%92 = load i32*, i32** %3
%93 = getelementptr inbounds i32, i32* %92, i64 10
store i32 %91, i32* %93
%94 = load i32*, i32** %4
%95 = getelementptr inbounds i32, i32* %94, i64 2
%96 = load i32, i32* %95
%97 = lshr i32 %96, 30
%98 = load i32*, i32** %3
%99 = getelementptr inbounds i32, i32* %98, i64 10
%100 = load i32, i32* %99
%101 = or i32 %100, %97
store i32 %101, i32* %99
%102 = load i32*, i32** %4
%103 = getelementptr inbounds i32, i32* %102, i64 2
%104 = load i32, i32* %103
%105 = lshr i32 %104, 24
%106 = and i32 %105, 63
%107 = load i32*, i32** %3
%108 = getelementptr inbounds i32, i32* %107, i64 11
store i32 %106, i32* %108
%109 = load i32*, i32** %4
%110 = getelementptr inbounds i32, i32* %109, i64 2
%111 = load i32, i32* %110
%112 = lshr i32 %111, 18
%113 = and i32 %112, 63
%114 = load i32*, i32** %3
%115 = getelementptr inbounds i32, i32* %114, i64 12
store i32 %113, i32* %115
%116 = load i32*, i32** %4
%117 = getelementptr inbounds i32, i32* %116, i64 2
%118 = load i32, i32* %117
%119 = lshr i32 %118, 12
%120 = and i32 %119, 63
%121 = load i32*, i32** %3
%122 = getelementptr inbounds i32, i32* %121, i64 13
store i32 %120, i32* %122
%123 = load i32*, i32** %4
%124 = getelementptr inbounds i32, i32* %123, i64 2
%125 = load i32, i32* %124
%126 = lshr i32 %125, 6
%127 = and i32 %126, 63
%128 = load i32*, i32** %3
%129 = getelementptr inbounds i32, i32* %128, i64 14
store i32 %127, i32* %129
%130 = load i32*, i32** %4
%131 = getelementptr inbounds i32, i32* %130, i64 2
%132 = load i32, i32* %131
%133 = and i32 %132, 63
%134 = load i32*, i32** %3
%135 = getelementptr inbounds i32, i32* %134, i64 15
store i32 %133, i32* %135
%136 = load i32*, i32** %4
%137 = getelementptr inbounds i32, i32* %136, i64 3
%138 = load i32, i32* %137
%139 = lshr i32 %138, 26
%140 = load i32*, i32** %3
%141 = getelementptr inbounds i32, i32* %140, i64 16
store i32 %139, i32* %141
%142 = load i32*, i32** %4
%143 = getelementptr inbounds i32, i32* %142, i64 3
%144 = load i32, i32* %143
%145 = lshr i32 %144, 20
%146 = and i32 %145, 63
%147 = load i32*, i32** %3
%148 = getelementptr inbounds i32, i32* %147, i64 17
store i32 %146, i32* %148
%149 = load i32*, i32** %4
%150 = getelementptr inbounds i32, i32* %149, i64 3
%151 = load i32, i32* %150
%152 = lshr i32 %151, 14
%153 = and i32 %152, 63
%154 = load i32*, i32** %3
%155 = getelementptr inbounds i32, i32* %154, i64 18
store i32 %153, i32* %155
%156 = load i32*, i32** %4
%157 = getelementptr inbounds i32, i32* %156, i64 3
%158 = load i32, i32* %157
%159 = lshr i32 %158, 8
%160 = and i32 %159, 63
%161 = load i32*, i32** %3
%162 = getelementptr inbounds i32, i32* %161, i64 19
store i32 %160, i32* %162
%163 = load i32*, i32** %4
%164 = getelementptr inbounds i32, i32* %163, i64 3
%165 = load i32, i32* %164
%166 = lshr i32 %165, 2
%167 = and i32 %166, 63
%168 = load i32*, i32** %3
%169 = getelementptr inbounds i32, i32* %168, i64 20
store i32 %167, i32* %169
%170 = load i32*, i32** %4
%171 = getelementptr inbounds i32, i32* %170, i64 3
%172 = load i32, i32* %171
%173 = shl i32 %172, 4
%174 = and i32 %173, 63
%175 = load i32*, i32** %3
%176 = getelementptr inbounds i32, i32* %175, i64 21
store i32 %174, i32* %176
%177 = load i32*, i32** %4
%178 = getelementptr inbounds i32, i32* %177, i64 4
%179 = load i32, i32* %178
%180 = lshr i32 %179, 28
%181 = load i32*, i32** %3
%182 = getelementptr inbounds i32, i32* %181, i64 21
%183 = load i32, i32* %182
%184 = or i32 %183, %180
store i32 %184, i32* %182
%185 = load i32*, i32** %4
%186 = getelementptr inbounds i32, i32* %185, i64 4
%187 = load i32, i32* %186
%188 = lshr i32 %187, 22
%189 = and i32 %188, 63
%190 = load i32*, i32** %3
%191 = getelementptr inbounds i32, i32* %190, i64 22
store i32 %189, i32* %191
%192 = load i32*, i32** %4
%193 = getelementptr inbounds i32, i32* %192, i64 4
%194 = load i32, i32* %193
%195 = lshr i32 %194, 16
%196 = and i32 %195, 63
%197 = load i32*, i32** %3
%198 = getelementptr inbounds i32, i32* %197, i64 23
store i32 %196, i32* %198
%199 = load i32*, i32** %4
%200 = getelementptr inbounds i32, i32* %199, i64 4
%201 = load i32, i32* %200
%202 = lshr i32 %201, 10
%203 = and i32 %202, 63
%204 = load i32*, i32** %3
%205 = getelementptr inbounds i32, i32* %204, i64 24
store i32 %203, i32* %205
%206 = load i32*, i32** %4
%207 = getelementptr inbounds i32, i32* %206, i64 4
%208 = load i32, i32* %207
%209 = lshr i32 %208, 4
%210 = and i32 %209, 63
%211 = load i32*, i32** %3
%212 = getelementptr inbounds i32, i32* %211, i64 25
store i32 %210, i32* %212
%213 = load i32*, i32** %4
%214 = getelementptr inbounds i32, i32* %213, i64 4
%215 = load i32, i32* %214
%216 = shl i32 %215, 2
%217 = and i32 %216, 63
%218 = load i32*, i32** %3
%219 = getelementptr inbounds i32, i32* %218, i64 26
store i32 %217, i32* %219
%220 = load i32*, i32** %4
%221 = getelementptr inbounds i32, i32* %220, i64 5
%222 = load i32, i32* %221
%223 = lshr i32 %222, 30
%224 = load i32*, i32** %3
%225 = getelementptr inbounds i32, i32* %224, i64 26
%226 = load i32, i32* %225
%227 = or i32 %226, %223
store i32 %227, i32* %225
%228 = load i32*, i32** %4
%229 = getelementptr inbounds i32, i32* %228, i64 5
%230 = load i32, i32* %229
%231 = lshr i32 %230, 24
%232 = and i32 %231, 63
%233 = load i32*, i32** %3
%234 = getelementptr inbounds i32, i32* %233, i64 27
store i32 %232, i32* %234
%235 = load i32*, i32** %4
%236 = getelementptr inbounds i32, i32* %235, i64 5
%237 = load i32, i32* %236
%238 = lshr i32 %237, 18
%239 = and i32 %238, 63
%240 = load i32*, i32** %3
%241 = getelementptr inbounds i32, i32* %240, i64 28
store i32 %239, i32* %241
%242 = load i32*, i32** %4
%243 = getelementptr inbounds i32, i32* %242, i64 5
%244 = load i32, i32* %243
%245 = lshr i32 %244, 12
%246 = and i32 %245, 63
%247 = load i32*, i32** %3
%248 = getelementptr inbounds i32, i32* %247, i64 29
store i32 %246, i32* %248
%249 = load i32*, i32** %4
%250 = getelementptr inbounds i32, i32* %249, i64 5
%251 = load i32, i32* %250
%252 = lshr i32 %251, 6
%253 = and i32 %252, 63
%254 = load i32*, i32** %3
%255 = getelementptr inbounds i32, i32* %254, i64 30
store i32 %253, i32* %255
%256 = load i32*, i32** %4
%257 = getelementptr inbounds i32, i32* %256, i64 5
%258 = load i32, i32* %257
%259 = and i32 %258, 63
%260 = load i32*, i32** %3
%261 = getelementptr inbounds i32, i32* %260, i64 31
store i32 %259, i32* %261
br label %262
262: ; preds = %9
%263 = load i32, i32* %5
%264 = add nsw i32 %263, 32
store i32 %264, i32* %5
%265 = load i32*, i32** %3
%266 = getelementptr inbounds i32, i32* %265, i64 32
store i32* %266, i32** %3
%267 = load i32*, i32** %4
%268 = getelementptr inbounds i32, i32* %267, i64 6
store i32* %268, i32** %4
br label %6
269: ; preds = %6
ret void
}

LLVM IR (-O2):
define void @unpack6(i32* writeonly %0, i32* nocapture %1) {
br label %3
3: ; preds = %2, %3
%4 = phi i32 [ 0, %2 ], [ %147, %3 ]
%5 = phi i32* [ %1, %2 ], [ %149, %3 ]
%6 = phi i32* [ %0, %2 ], [ %148, %3 ]
%7 = load i32, i32* %5
%8 = lshr i32 %7, 26
store i32 %8, i32* %6
%9 = load i32, i32* %5
%10 = lshr i32 %9, 20
%11 = and i32 %10, 63
%12 = getelementptr inbounds i32, i32* %6, i64 1
store i32 %11, i32* %12
%13 = load i32, i32* %5
%14 = lshr i32 %13, 14
%15 = and i32 %14, 63
%16 = getelementptr inbounds i32, i32* %6, i64 2
store i32 %15, i32* %16
%17 = load i32, i32* %5
%18 = lshr i32 %17, 8
%19 = and i32 %18, 63
%20 = getelementptr inbounds i32, i32* %6, i64 3
store i32 %19, i32* %20
%21 = load i32, i32* %5
%22 = lshr i32 %21, 2
%23 = and i32 %22, 63
%24 = getelementptr inbounds i32, i32* %6, i64 4
store i32 %23, i32* %24
%25 = load i32, i32* %5
%26 = shl i32 %25, 4
%27 = and i32 %26, 48
%28 = getelementptr inbounds i32, i32* %6, i64 5
store i32 %27, i32* %28
%29 = getelementptr inbounds i32, i32* %5, i64 1
%30 = load i32, i32* %29
%31 = lshr i32 %30, 28
%32 = or i32 %31, %27
store i32 %32, i32* %28
%33 = load i32, i32* %29
%34 = lshr i32 %33, 22
%35 = and i32 %34, 63
%36 = getelementptr inbounds i32, i32* %6, i64 6
store i32 %35, i32* %36
%37 = load i32, i32* %29
%38 = lshr i32 %37, 16
%39 = and i32 %38, 63
%40 = getelementptr inbounds i32, i32* %6, i64 7
store i32 %39, i32* %40
%41 = load i32, i32* %29
%42 = lshr i32 %41, 10
%43 = and i32 %42, 63
%44 = getelementptr inbounds i32, i32* %6, i64 8
store i32 %43, i32* %44
%45 = load i32, i32* %29
%46 = lshr i32 %45, 4
%47 = and i32 %46, 63
%48 = getelementptr inbounds i32, i32* %6, i64 9
store i32 %47, i32* %48
%49 = load i32, i32* %29
%50 = shl i32 %49, 2
%51 = and i32 %50, 60
%52 = getelementptr inbounds i32, i32* %6, i64 10
store i32 %51, i32* %52
%53 = getelementptr inbounds i32, i32* %5, i64 2
%54 = load i32, i32* %53
%55 = lshr i32 %54, 30
%56 = or i32 %55, %51
store i32 %56, i32* %52
%57 = load i32, i32* %53
%58 = lshr i32 %57, 24
%59 = and i32 %58, 63
%60 = getelementptr inbounds i32, i32* %6, i64 11
store i32 %59, i32* %60
%61 = load i32, i32* %53
%62 = lshr i32 %61, 18
%63 = and i32 %62, 63
%64 = getelementptr inbounds i32, i32* %6, i64 12
store i32 %63, i32* %64
%65 = load i32, i32* %53
%66 = lshr i32 %65, 12
%67 = and i32 %66, 63
%68 = getelementptr inbounds i32, i32* %6, i64 13
store i32 %67, i32* %68
%69 = load i32, i32* %53
%70 = lshr i32 %69, 6
%71 = and i32 %70, 63
%72 = getelementptr inbounds i32, i32* %6, i64 14
store i32 %71, i32* %72
%73 = load i32, i32* %53
%74 = and i32 %73, 63
%75 = getelementptr inbounds i32, i32* %6, i64 15
store i32 %74, i32* %75
%76 = getelementptr inbounds i32, i32* %5, i64 3
%77 = load i32, i32* %76
%78 = lshr i32 %77, 26
%79 = getelementptr inbounds i32, i32* %6, i64 16
store i32 %78, i32* %79
%80 = load i32, i32* %76
%81 = lshr i32 %80, 20
%82 = and i32 %81, 63
%83 = getelementptr inbounds i32, i32* %6, i64 17
store i32 %82, i32* %83
%84 = load i32, i32* %76
%85 = lshr i32 %84, 14
%86 = and i32 %85, 63
%87 = getelementptr inbounds i32, i32* %6, i64 18
store i32 %86, i32* %87
%88 = load i32, i32* %76
%89 = lshr i32 %88, 8
%90 = and i32 %89, 63
%91 = getelementptr inbounds i32, i32* %6, i64 19
store i32 %90, i32* %91
%92 = load i32, i32* %76
%93 = lshr i32 %92, 2
%94 = and i32 %93, 63
%95 = getelementptr inbounds i32, i32* %6, i64 20
store i32 %94, i32* %95
%96 = load i32, i32* %76
%97 = shl i32 %96, 4
%98 = and i32 %97, 48
%99 = getelementptr inbounds i32, i32* %6, i64 21
store i32 %98, i32* %99
%100 = getelementptr inbounds i32, i32* %5, i64 4
%101 = load i32, i32* %100
%102 = lshr i32 %101, 28
%103 = or i32 %102, %98
store i32 %103, i32* %99
%104 = load i32, i32* %100
%105 = lshr i32 %104, 22
%106 = and i32 %105, 63
%107 = getelementptr inbounds i32, i32* %6, i64 22
store i32 %106, i32* %107
%108 = load i32, i32* %100
%109 = lshr i32 %108, 16
%110 = and i32 %109, 63
%111 = getelementptr inbounds i32, i32* %6, i64 23
store i32 %110, i32* %111
%112 = load i32, i32* %100
%113 = lshr i32 %112, 10
%114 = and i32 %113, 63
%115 = getelementptr inbounds i32, i32* %6, i64 24
store i32 %114, i32* %115
%116 = load i32, i32* %100
%117 = lshr i32 %116, 4
%118 = and i32 %117, 63
%119 = getelementptr inbounds i32, i32* %6, i64 25
store i32 %118, i32* %119
%120 = load i32, i32* %100
%121 = shl i32 %120, 2
%122 = and i32 %121, 60
%123 = getelementptr inbounds i32, i32* %6, i64 26
store i32 %122, i32* %123
%124 = getelementptr inbounds i32, i32* %5, i64 5
%125 = load i32, i32* %124
%126 = lshr i32 %125, 30
%127 = or i32 %126, %122
store i32 %127, i32* %123
%128 = load i32, i32* %124
%129 = lshr i32 %128, 24
%130 = and i32 %129, 63
%131 = getelementptr inbounds i32, i32* %6, i64 27
store i32 %130, i32* %131
%132 = load i32, i32* %124
%133 = lshr i32 %132, 18
%134 = and i32 %133, 63
%135 = getelementptr inbounds i32, i32* %6, i64 28
store i32 %134, i32* %135
%136 = load i32, i32* %124
%137 = lshr i32 %136, 12
%138 = and i32 %137, 63
%139 = getelementptr inbounds i32, i32* %6, i64 29
store i32 %138, i32* %139
%140 = load i32, i32* %124
%141 = lshr i32 %140, 6
%142 = and i32 %141, 63
%143 = getelementptr inbounds i32, i32* %6, i64 30
store i32 %142, i32* %143
%144 = load i32, i32* %124
%145 = and i32 %144, 63
%146 = getelementptr inbounds i32, i32* %6, i64 31
store i32 %145, i32* %146
%147 = add nuw nsw i32 %4, 32
%148 = getelementptr inbounds i32, i32* %6, i64 32
%149 = getelementptr inbounds i32, i32* %5, i64 6
%150 = icmp ult i32 %4, 96
br i1 %150, label %3, label %151
151: ; preds = %3
ret void
}