#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */
typedef int const w0;
typedef int /*<<< orphan*/ uint8_t;
typedef int uint64_t;

/* Variables and functions */
void unpackforblock6_64(const uint64_t base, const uint8_t **pw,
                        uint64_t **pout) {
  const uint64_t *pw64 = *(const uint64_t **)pw;
  uint64_t *out = *pout;
  const uint64_t mask = (63ULL);
  uint64_t w0 = pw64[0];
  uint64_t w1 = pw64[1];
  uint64_t w2 = pw64[2];
  *pw += 24;
  out[0] = base + ((w0)&mask);
  out[1] = base + ((w0 >> 6) & mask);
  out[2] = base + ((w0 >> 12) & mask);
  out[3] = base + ((w0 >> 18) & mask);
  out[4] = base + ((w0 >> 24) & mask);
  out[5] = base + ((w0 >> 30) & mask);
  out[6] = base + ((w0 >> 36) & mask);
  out[7] = base + ((w0 >> 42) & mask);
  out[8] = base + ((w0 >> 48) & mask);
  out[9] = base + ((w0 >> 54) & mask);
  out[10] = base + (((w0 >> 60) | (w1 << 4)) & mask);
  out[11] = base + ((w1 >> 2) & mask);
  out[12] = base + ((w1 >> 8) & mask);
  out[13] = base + ((w1 >> 14) & mask);
  out[14] = base + ((w1 >> 20) & mask);
  out[15] = base + ((w1 >> 26) & mask);
  out[16] = base + ((w1 >> 32) & mask);
  out[17] = base + ((w1 >> 38) & mask);
  out[18] = base + ((w1 >> 44) & mask);
  out[19] = base + ((w1 >> 50) & mask);
  out[20] = base + ((w1 >> 56) & mask);
  out[21] = base + (((w1 >> 62) | (w2 << 2)) & mask);
  out[22] = base + ((w2 >> 4) & mask);
  out[23] = base + ((w2 >> 10) & mask);
  out[24] = base + ((w2 >> 16) & mask);
  out[25] = base + ((w2 >> 22) & mask);
  out[26] = base + ((w2 >> 28) & mask);
  out[27] = base + ((w2 >> 34) & mask);
  out[28] = base + ((w2 >> 40) & mask);
  out[29] = base + ((w2 >> 46) & mask);
  out[30] = base + ((w2 >> 52) & mask);
  out[31] = base + (w2 >> 58);
  *pout += 32;
}


x86 assembly (clang, -O0):
<unpackforblock6_64>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0x4(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %rdx,-0x18(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%rax
mov    %rax,-0x20(%rbp)
mov    -0x18(%rbp),%rax
mov    (%rax),%rax
mov    %rax,-0x28(%rbp)
movl   $0x3f,-0x2c(%rbp)
mov    -0x20(%rbp),%rax
mov    (%rax),%eax
mov    %eax,-0x30(%rbp)
mov    -0x20(%rbp),%rax
mov    0x4(%rax),%eax
mov    %eax,-0x34(%rbp)
mov    -0x20(%rbp),%rax
mov    0x8(%rax),%eax
mov    %eax,-0x38(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%rcx
add    $0x60,%rcx
mov    %rcx,(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x30(%rbp),%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x30(%rbp),%eax
sar    $0x6,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x4(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x30(%rbp),%eax
sar    $0xc,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x8(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x30(%rbp),%eax
sar    $0x12,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0xc(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x30(%rbp),%eax
sar    $0x18,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x10(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x30(%rbp),%eax
sar    $0x1e,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x14(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x78(%rbp)
mov    -0x30(%rbp),%eax
mov    $0x24,%ecx
sar    %cl,%eax
mov    -0x78(%rbp),%ecx
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x18(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x74(%rbp)
mov    -0x30(%rbp),%eax
mov    $0x2a,%ecx
sar    %cl,%eax
mov    -0x74(%rbp),%ecx
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x1c(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x70(%rbp)
mov    -0x30(%rbp),%eax
mov    $0x30,%ecx
sar    %cl,%eax
mov    -0x70(%rbp),%ecx
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x20(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x6c(%rbp)
mov    -0x30(%rbp),%eax
mov    $0x36,%ecx
sar    %cl,%eax
mov    -0x6c(%rbp),%ecx
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x24(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x68(%rbp)
mov    -0x30(%rbp),%eax
mov    $0x3c,%ecx
sar    %cl,%eax
mov    -0x68(%rbp),%ecx
mov    -0x34(%rbp),%edx
shl    $0x4,%edx
or     %edx,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x28(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x34(%rbp),%eax
sar    $0x2,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x2c(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x34(%rbp),%eax
sar    $0x8,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x30(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x34(%rbp),%eax
sar    $0xe,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x34(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x34(%rbp),%eax
sar    $0x14,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x38(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x34(%rbp),%eax
sar    $0x1a,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x3c(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x64(%rbp)
mov    -0x34(%rbp),%eax
mov    $0x20,%ecx
sar    %cl,%eax
mov    -0x64(%rbp),%ecx
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x40(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x60(%rbp)
mov    -0x34(%rbp),%eax
mov    $0x26,%ecx
sar    %cl,%eax
mov    -0x60(%rbp),%ecx
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x44(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x5c(%rbp)
mov    -0x34(%rbp),%eax
mov    $0x2c,%ecx
sar    %cl,%eax
mov    -0x5c(%rbp),%ecx
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x48(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x58(%rbp)
mov    -0x34(%rbp),%eax
mov    $0x32,%ecx
sar    %cl,%eax
mov    -0x58(%rbp),%ecx
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x4c(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x54(%rbp)
mov    -0x34(%rbp),%eax
mov    $0x38,%ecx
sar    %cl,%eax
mov    -0x54(%rbp),%ecx
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x50(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x50(%rbp)
mov    -0x34(%rbp),%eax
mov    $0x3e,%ecx
sar    %cl,%eax
mov    -0x50(%rbp),%ecx
mov    -0x38(%rbp),%edx
shl    $0x2,%edx
or     %edx,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x54(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x38(%rbp),%eax
sar    $0x4,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x58(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x38(%rbp),%eax
sar    $0xa,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x5c(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x38(%rbp),%eax
sar    $0x10,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x60(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x38(%rbp),%eax
sar    $0x16,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x64(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x38(%rbp),%eax
sar    $0x1c,%eax
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x68(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x4c(%rbp)
mov    -0x38(%rbp),%eax
mov    $0x22,%ecx
sar    %cl,%eax
mov    -0x4c(%rbp),%ecx
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x6c(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x48(%rbp)
mov    -0x38(%rbp),%eax
mov    $0x28,%ecx
sar    %cl,%eax
mov    -0x48(%rbp),%ecx
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x70(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x44(%rbp)
mov    -0x38(%rbp),%eax
mov    $0x2e,%ecx
sar    %cl,%eax
mov    -0x44(%rbp),%ecx
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x74(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x40(%rbp)
mov    -0x38(%rbp),%eax
mov    $0x34,%ecx
sar    %cl,%eax
mov    -0x40(%rbp),%ecx
and    $0x3f,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x78(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x3c(%rbp)
mov    -0x38(%rbp),%eax
mov    $0x3a,%ecx
sar    %cl,%eax
mov    -0x3c(%rbp),%ecx
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x7c(%rax)
mov    -0x18(%rbp),%rax
mov    (%rax),%rcx
add    $0x80,%rcx
mov    %rcx,(%rax)
pop    %rbp
ret

x86 assembly (clang, -O2):
<unpackforblock6_64>:
mov    (%rsi),%rax
mov    (%rdx),%r10
mov    (%rax),%r11d
mov    0x4(%rax),%r9d
mov    0x8(%rax),%r8d
add    $0x60,%rax
mov    %rax,(%rsi)
mov    %r11d,%eax
shr    $0x6,%eax
mov    %r11d,%esi
shr    $0xc,%esi
mov    %r11d,%ecx
shr    $0x12,%ecx
movd   %ecx,%xmm0
movd   %esi,%xmm1
punpckldq %xmm0,%xmm1
movd   %r11d,%xmm0
movd   %eax,%xmm2
punpckldq %xmm2,%xmm0
punpcklqdq %xmm1,%xmm0
pand   0xeb1(%rip),%xmm0
movd   %edi,%xmm1
pshufd $0x0,%xmm1,%xmm1
paddd  %xmm0,%xmm1
movdqu %xmm1,(%r10)
mov    %r11d,%eax
shr    $0x18,%eax
and    $0x3f,%eax
add    %edi,%eax
mov    %eax,0x10(%r10)
sar    $0x1e,%r11d
and    $0x3f,%r11d
add    %edi,%r11d
mov    %r11d,0x14(%r10)
mov    %r9d,%eax
shr    $0x2,%eax
and    $0x3f,%eax
add    %edi,%eax
mov    %eax,0x2c(%r10)
mov    %r9d,%eax
shr    $0x8,%eax
and    $0x3f,%eax
add    %edi,%eax
mov    %eax,0x30(%r10)
mov    %r9d,%eax
shr    $0xe,%eax
and    $0x3f,%eax
add    %edi,%eax
mov    %eax,0x34(%r10)
mov    %r9d,%eax
shr    $0x14,%eax
and    $0x3f,%eax
add    %edi,%eax
mov    %eax,0x38(%r10)
shr    $0x1a,%r9d
add    %edi,%r9d
mov    %r9d,0x3c(%r10)
mov    %r8d,%eax
shr    $0x4,%eax
and    $0x3f,%eax
add    %edi,%eax
mov    %eax,0x58(%r10)
mov    %r8d,%eax
shr    $0xa,%eax
and    $0x3f,%eax
add    %edi,%eax
mov    %eax,0x5c(%r10)
mov    %r8d,%eax
shr    $0x10,%eax
and    $0x3f,%eax
add    %edi,%eax
mov    %eax,0x60(%r10)
mov    %r8d,%eax
shr    $0x16,%eax
and    $0x3f,%eax
add    %edi,%eax
mov    %eax,0x64(%r10)
sar    $0x1c,%r8d
and    $0x3f,%r8d
add    %edi,%r8d
mov    %r8d,0x68(%r10)
subq   $0xffffffffffffff80,(%rdx)
ret

LLVM IR (-O0):
define void @unpackforblock6_64(i32 %0, i32** %1, i32** %2) {
%4 = alloca i32
%5 = alloca i32**
%6 = alloca i32**
%7 = alloca i32*
%8 = alloca i32*
%9 = alloca i32
%10 = alloca i32
%11 = alloca i32
%12 = alloca i32
store i32 %0, i32* %4
store i32** %1, i32*** %5
store i32** %2, i32*** %6
%13 = load i32**, i32*** %5
%14 = load i32*, i32** %13
store i32* %14, i32** %7
%15 = load i32**, i32*** %6
%16 = load i32*, i32** %15
store i32* %16, i32** %8
store i32 63, i32* %9
%17 = load i32*, i32** %7
%18 = getelementptr inbounds i32, i32* %17, i64 0
%19 = load i32, i32* %18
store i32 %19, i32* %10
%20 = load i32*, i32** %7
%21 = getelementptr inbounds i32, i32* %20, i64 1
%22 = load i32, i32* %21
store i32 %22, i32* %11
%23 = load i32*, i32** %7
%24 = getelementptr inbounds i32, i32* %23, i64 2
%25 = load i32, i32* %24
store i32 %25, i32* %12
%26 = load i32**, i32*** %5
%27 = load i32*, i32** %26
%28 = getelementptr inbounds i32, i32* %27, i64 24
store i32* %28, i32** %26
%29 = load i32, i32* %4
%30 = load i32, i32* %10
%31 = and i32 %30, 63
%32 = add nsw i32 %29, %31
%33 = load i32*, i32** %8
%34 = getelementptr inbounds i32, i32* %33, i64 0
store i32 %32, i32* %34
%35 = load i32, i32* %4
%36 = load i32, i32* %10
%37 = ashr i32 %36, 6
%38 = and i32 %37, 63
%39 = add nsw i32 %35, %38
%40 = load i32*, i32** %8
%41 = getelementptr inbounds i32, i32* %40, i64 1
store i32 %39, i32* %41
%42 = load i32, i32* %4
%43 = load i32, i32* %10
%44 = ashr i32 %43, 12
%45 = and i32 %44, 63
%46 = add nsw i32 %42, %45
%47 = load i32*, i32** %8
%48 = getelementptr inbounds i32, i32* %47, i64 2
store i32 %46, i32* %48
%49 = load i32, i32* %4
%50 = load i32, i32* %10
%51 = ashr i32 %50, 18
%52 = and i32 %51, 63
%53 = add nsw i32 %49, %52
%54 = load i32*, i32** %8
%55 = getelementptr inbounds i32, i32* %54, i64 3
store i32 %53, i32* %55
%56 = load i32, i32* %4
%57 = load i32, i32* %10
%58 = ashr i32 %57, 24
%59 = and i32 %58, 63
%60 = add nsw i32 %56, %59
%61 = load i32*, i32** %8
%62 = getelementptr inbounds i32, i32* %61, i64 4
store i32 %60, i32* %62
%63 = load i32, i32* %4
%64 = load i32, i32* %10
%65 = ashr i32 %64, 30
%66 = and i32 %65, 63
%67 = add nsw i32 %63, %66
%68 = load i32*, i32** %8
%69 = getelementptr inbounds i32, i32* %68, i64 5
store i32 %67, i32* %69
%70 = load i32, i32* %4
%71 = load i32, i32* %10
%72 = ashr i32 %71, 36
%73 = and i32 %72, 63
%74 = add nsw i32 %70, %73
%75 = load i32*, i32** %8
%76 = getelementptr inbounds i32, i32* %75, i64 6
store i32 %74, i32* %76
%77 = load i32, i32* %4
%78 = load i32, i32* %10
%79 = ashr i32 %78, 42
%80 = and i32 %79, 63
%81 = add nsw i32 %77, %80
%82 = load i32*, i32** %8
%83 = getelementptr inbounds i32, i32* %82, i64 7
store i32 %81, i32* %83
%84 = load i32, i32* %4
%85 = load i32, i32* %10
%86 = ashr i32 %85, 48
%87 = and i32 %86, 63
%88 = add nsw i32 %84, %87
%89 = load i32*, i32** %8
%90 = getelementptr inbounds i32, i32* %89, i64 8
store i32 %88, i32* %90
%91 = load i32, i32* %4
%92 = load i32, i32* %10
%93 = ashr i32 %92, 54
%94 = and i32 %93, 63
%95 = add nsw i32 %91, %94
%96 = load i32*, i32** %8
%97 = getelementptr inbounds i32, i32* %96, i64 9
store i32 %95, i32* %97
%98 = load i32, i32* %4
%99 = load i32, i32* %10
%100 = ashr i32 %99, 60
%101 = load i32, i32* %11
%102 = shl i32 %101, 4
%103 = or i32 %100, %102
%104 = and i32 %103, 63
%105 = add nsw i32 %98, %104
%106 = load i32*, i32** %8
%107 = getelementptr inbounds i32, i32* %106, i64 10
store i32 %105, i32* %107
%108 = load i32, i32* %4
%109 = load i32, i32* %11
%110 = ashr i32 %109, 2
%111 = and i32 %110, 63
%112 = add nsw i32 %108, %111
%113 = load i32*, i32** %8
%114 = getelementptr inbounds i32, i32* %113, i64 11
store i32 %112, i32* %114
%115 = load i32, i32* %4
%116 = load i32, i32* %11
%117 = ashr i32 %116, 8
%118 = and i32 %117, 63
%119 = add nsw i32 %115, %118
%120 = load i32*, i32** %8
%121 = getelementptr inbounds i32, i32* %120, i64 12
store i32 %119, i32* %121
%122 = load i32, i32* %4
%123 = load i32, i32* %11
%124 = ashr i32 %123, 14
%125 = and i32 %124, 63
%126 = add nsw i32 %122, %125
%127 = load i32*, i32** %8
%128 = getelementptr inbounds i32, i32* %127, i64 13
store i32 %126, i32* %128
%129 = load i32, i32* %4
%130 = load i32, i32* %11
%131 = ashr i32 %130, 20
%132 = and i32 %131, 63
%133 = add nsw i32 %129, %132
%134 = load i32*, i32** %8
%135 = getelementptr inbounds i32, i32* %134, i64 14
store i32 %133, i32* %135
%136 = load i32, i32* %4
%137 = load i32, i32* %11
%138 = ashr i32 %137, 26
%139 = and i32 %138, 63
%140 = add nsw i32 %136, %139
%141 = load i32*, i32** %8
%142 = getelementptr inbounds i32, i32* %141, i64 15
store i32 %140, i32* %142
%143 = load i32, i32* %4
%144 = load i32, i32* %11
%145 = ashr i32 %144, 32
%146 = and i32 %145, 63
%147 = add nsw i32 %143, %146
%148 = load i32*, i32** %8
%149 = getelementptr inbounds i32, i32* %148, i64 16
store i32 %147, i32* %149
%150 = load i32, i32* %4
%151 = load i32, i32* %11
%152 = ashr i32 %151, 38
%153 = and i32 %152, 63
%154 = add nsw i32 %150, %153
%155 = load i32*, i32** %8
%156 = getelementptr inbounds i32, i32* %155, i64 17
store i32 %154, i32* %156
%157 = load i32, i32* %4
%158 = load i32, i32* %11
%159 = ashr i32 %158, 44
%160 = and i32 %159, 63
%161 = add nsw i32 %157, %160
%162 = load i32*, i32** %8
%163 = getelementptr inbounds i32, i32* %162, i64 18
store i32 %161, i32* %163
%164 = load i32, i32* %4
%165 = load i32, i32* %11
%166 = ashr i32 %165, 50
%167 = and i32 %166, 63
%168 = add nsw i32 %164, %167
%169 = load i32*, i32** %8
%170 = getelementptr inbounds i32, i32* %169, i64 19
store i32 %168, i32* %170
%171 = load i32, i32* %4
%172 = load i32, i32* %11
%173 = ashr i32 %172, 56
%174 = and i32 %173, 63
%175 = add nsw i32 %171, %174
%176 = load i32*, i32** %8
%177 = getelementptr inbounds i32, i32* %176, i64 20
store i32 %175, i32* %177
%178 = load i32, i32* %4
%179 = load i32, i32* %11
%180 = ashr i32 %179, 62
%181 = load i32, i32* %12
%182 = shl i32 %181, 2
%183 = or i32 %180, %182
%184 = and i32 %183, 63
%185 = add nsw i32 %178, %184
%186 = load i32*, i32** %8
%187 = getelementptr inbounds i32, i32* %186, i64 21
store i32 %185, i32* %187
%188 = load i32, i32* %4
%189 = load i32, i32* %12
%190 = ashr i32 %189, 4
%191 = and i32 %190, 63
%192 = add nsw i32 %188, %191
%193 = load i32*, i32** %8
%194 = getelementptr inbounds i32, i32* %193, i64 22
store i32 %192, i32* %194
%195 = load i32, i32* %4
%196 = load i32, i32* %12
%197 = ashr i32 %196, 10
%198 = and i32 %197, 63
%199 = add nsw i32 %195, %198
%200 = load i32*, i32** %8
%201 = getelementptr inbounds i32, i32* %200, i64 23
store i32 %199, i32* %201
%202 = load i32, i32* %4
%203 = load i32, i32* %12
%204 = ashr i32 %203, 16
%205 = and i32 %204, 63
%206 = add nsw i32 %202, %205
%207 = load i32*, i32** %8
%208 = getelementptr inbounds i32, i32* %207, i64 24
store i32 %206, i32* %208
%209 = load i32, i32* %4
%210 = load i32, i32* %12
%211 = ashr i32 %210, 22
%212 = and i32 %211, 63
%213 = add nsw i32 %209, %212
%214 = load i32*, i32** %8
%215 = getelementptr inbounds i32, i32* %214, i64 25
store i32 %213, i32* %215
%216 = load i32, i32* %4
%217 = load i32, i32* %12
%218 = ashr i32 %217, 28
%219 = and i32 %218, 63
%220 = add nsw i32 %216, %219
%221 = load i32*, i32** %8
%222 = getelementptr inbounds i32, i32* %221, i64 26
store i32 %220, i32* %222
%223 = load i32, i32* %4
%224 = load i32, i32* %12
%225 = ashr i32 %224, 34
%226 = and i32 %225, 63
%227 = add nsw i32 %223, %226
%228 = load i32*, i32** %8
%229 = getelementptr inbounds i32, i32* %228, i64 27
store i32 %227, i32* %229
%230 = load i32, i32* %4
%231 = load i32, i32* %12
%232 = ashr i32 %231, 40
%233 = and i32 %232, 63
%234 = add nsw i32 %230, %233
%235 = load i32*, i32** %8
%236 = getelementptr inbounds i32, i32* %235, i64 28
store i32 %234, i32* %236
%237 = load i32, i32* %4
%238 = load i32, i32* %12
%239 = ashr i32 %238, 46
%240 = and i32 %239, 63
%241 = add nsw i32 %237, %240
%242 = load i32*, i32** %8
%243 = getelementptr inbounds i32, i32* %242, i64 29
store i32 %241, i32* %243
%244 = load i32, i32* %4
%245 = load i32, i32* %12
%246 = ashr i32 %245, 52
%247 = and i32 %246, 63
%248 = add nsw i32 %244, %247
%249 = load i32*, i32** %8
%250 = getelementptr inbounds i32, i32* %249, i64 30
store i32 %248, i32* %250
%251 = load i32, i32* %4
%252 = load i32, i32* %12
%253 = ashr i32 %252, 58
%254 = add nsw i32 %251, %253
%255 = load i32*, i32** %8
%256 = getelementptr inbounds i32, i32* %255, i64 31
store i32 %254, i32* %256
%257 = load i32**, i32*** %6
%258 = load i32*, i32** %257
%259 = getelementptr inbounds i32, i32* %258, i64 32
store i32* %259, i32** %257
ret void
}

LLVM IR (-O2):
define void @unpackforblock6_64(i32 %0, i32** nocapture %1, i32** nocapture %2) {
%4 = load i32*, i32** %1
%5 = load i32*, i32** %2
%6 = load i32, i32* %4
%7 = getelementptr inbounds i32, i32* %4, i64 1
%8 = load i32, i32* %7
%9 = getelementptr inbounds i32, i32* %4, i64 2
%10 = load i32, i32* %9
%11 = getelementptr inbounds i32, i32* %4, i64 24
store i32* %11, i32** %1
%12 = lshr i32 %6, 6
%13 = lshr i32 %6, 12
%14 = lshr i32 %6, 18
%15 = insertelement <4 x i32> poison, i32 %6, i64 0
%16 = insertelement <4 x i32> %15, i32 %12, i64 1
%17 = insertelement <4 x i32> %16, i32 %13, i64 2
%18 = insertelement <4 x i32> %17, i32 %14, i64 3
%19 = and <4 x i32> %18, <i32 63, i32 63, i32 63, i32 63>
%20 = insertelement <4 x i32> poison, i32 %0, i64 0
%21 = shufflevector <4 x i32> %20, <4 x i32> poison, <4 x i32> zeroinitializer
%22 = add nsw <4 x i32> %19, %21
%23 = bitcast i32* %5 to <4 x i32>*
store <4 x i32> %22, <4 x i32>* %23
%24 = lshr i32 %6, 24
%25 = and i32 %24, 63
%26 = add nsw i32 %25, %0
%27 = getelementptr inbounds i32, i32* %5, i64 4
store i32 %26, i32* %27
%28 = ashr i32 %6, 30
%29 = and i32 %28, 63
%30 = add nsw i32 %29, %0
%31 = getelementptr inbounds i32, i32* %5, i64 5
store i32 %30, i32* %31
%32 = lshr i32 %8, 2
%33 = and i32 %32, 63
%34 = add nsw i32 %33, %0
%35 = getelementptr inbounds i32, i32* %5, i64 11
store i32 %34, i32* %35
%36 = lshr i32 %8, 8
%37 = and i32 %36, 63
%38 = add nsw i32 %37, %0
%39 = getelementptr inbounds i32, i32* %5, i64 12
store i32 %38, i32* %39
%40 = lshr i32 %8, 14
%41 = and i32 %40, 63
%42 = add nsw i32 %41, %0
%43 = getelementptr inbounds i32, i32* %5, i64 13
store i32 %42, i32* %43
%44 = lshr i32 %8, 20
%45 = and i32 %44, 63
%46 = add nsw i32 %45, %0
%47 = getelementptr inbounds i32, i32* %5, i64 14
store i32 %46, i32* %47
%48 = lshr i32 %8, 26
%49 = add nsw i32 %48, %0
%50 = getelementptr inbounds i32, i32* %5, i64 15
store i32 %49, i32* %50
%51 = lshr i32 %10, 4
%52 = and i32 %51, 63
%53 = add nsw i32 %52, %0
%54 = getelementptr inbounds i32, i32* %5, i64 22
store i32 %53, i32* %54
%55 = lshr i32 %10, 10
%56 = and i32 %55, 63
%57 = add nsw i32 %56, %0
%58 = getelementptr inbounds i32, i32* %5, i64 23
store i32 %57, i32* %58
%59 = lshr i32 %10, 16
%60 = and i32 %59, 63
%61 = add nsw i32 %60, %0
%62 = getelementptr inbounds i32, i32* %5, i64 24
store i32 %61, i32* %62
%63 = lshr i32 %10, 22
%64 = and i32 %63, 63
%65 = add nsw i32 %64, %0
%66 = getelementptr inbounds i32, i32* %5, i64 25
store i32 %65, i32* %66
%67 = ashr i32 %10, 28
%68 = and i32 %67, 63
%69 = add nsw i32 %68, %0
%70 = getelementptr inbounds i32, i32* %5, i64 26
store i32 %69, i32* %70
%71 = load i32*, i32** %2
%72 = getelementptr inbounds i32, i32* %71, i64 32
store i32* %72, i32** %2
ret void
}