#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 w5;
typedef int const w0;
typedef int /*<<< orphan*/ uint8_t;
typedef int uint64_t;

/* Variables and functions */
void unpackforblock20_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 = (1048575ULL);
  uint64_t w0 = pw64[0];
  uint64_t w1 = pw64[1];
  uint64_t w2 = pw64[2];
  uint64_t w3 = pw64[3];
  uint64_t w4 = pw64[4];
  uint64_t w5 = pw64[5];
  uint64_t w6 = pw64[6];
  uint64_t w7 = pw64[7];
  uint64_t w8 = pw64[8];
  uint64_t w9 = pw64[9];
  *pw += 80;
  out[0] = base + ((w0)&mask);
  out[1] = base + ((w0 >> 20) & mask);
  out[2] = base + ((w0 >> 40) & mask);
  out[3] = base + (((w0 >> 60) | (w1 << 4)) & mask);
  out[4] = base + ((w1 >> 16) & mask);
  out[5] = base + ((w1 >> 36) & mask);
  out[6] = base + (((w1 >> 56) | (w2 << 8)) & mask);
  out[7] = base + ((w2 >> 12) & mask);
  out[8] = base + ((w2 >> 32) & mask);
  out[9] = base + (((w2 >> 52) | (w3 << 12)) & mask);
  out[10] = base + ((w3 >> 8) & mask);
  out[11] = base + ((w3 >> 28) & mask);
  out[12] = base + (((w3 >> 48) | (w4 << 16)) & mask);
  out[13] = base + ((w4 >> 4) & mask);
  out[14] = base + ((w4 >> 24) & mask);
  out[15] = base + (w4 >> 44);
  out[16] = base + ((w5)&mask);
  out[17] = base + ((w5 >> 20) & mask);
  out[18] = base + ((w5 >> 40) & mask);
  out[19] = base + (((w5 >> 60) | (w6 << 4)) & mask);
  out[20] = base + ((w6 >> 16) & mask);
  out[21] = base + ((w6 >> 36) & mask);
  out[22] = base + (((w6 >> 56) | (w7 << 8)) & mask);
  out[23] = base + ((w7 >> 12) & mask);
  out[24] = base + ((w7 >> 32) & mask);
  out[25] = base + (((w7 >> 52) | (w8 << 12)) & mask);
  out[26] = base + ((w8 >> 8) & mask);
  out[27] = base + ((w8 >> 28) & mask);
  out[28] = base + (((w8 >> 48) | (w9 << 16)) & mask);
  out[29] = base + ((w9 >> 4) & mask);
  out[30] = base + ((w9 >> 24) & mask);
  out[31] = base + (w9 >> 44);
  *pout += 32;
}


x86 assembly (clang, -O0):
<unpackforblock20_64>:
push   %rbp
mov    %rsp,%rbp
sub    $0x18,%rsp
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   $0xfffff,-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    -0x20(%rbp),%rax
mov    0xc(%rax),%eax
mov    %eax,-0x3c(%rbp)
mov    -0x20(%rbp),%rax
mov    0x10(%rax),%eax
mov    %eax,-0x40(%rbp)
mov    -0x20(%rbp),%rax
mov    0x14(%rax),%eax
mov    %eax,-0x44(%rbp)
mov    -0x20(%rbp),%rax
mov    0x18(%rax),%eax
mov    %eax,-0x48(%rbp)
mov    -0x20(%rbp),%rax
mov    0x1c(%rax),%eax
mov    %eax,-0x4c(%rbp)
mov    -0x20(%rbp),%rax
mov    0x20(%rax),%eax
mov    %eax,-0x50(%rbp)
mov    -0x20(%rbp),%rax
mov    0x24(%rax),%eax
mov    %eax,-0x54(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%rcx
add    $0x140,%rcx
mov    %rcx,(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x30(%rbp),%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x30(%rbp),%eax
sar    $0x14,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x4(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x94(%rbp)
mov    -0x30(%rbp),%eax
mov    $0x28,%ecx
sar    %cl,%eax
mov    -0x94(%rbp),%ecx
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x8(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x90(%rbp)
mov    -0x30(%rbp),%eax
mov    $0x3c,%ecx
sar    %cl,%eax
mov    -0x90(%rbp),%ecx
mov    -0x34(%rbp),%edx
shl    $0x4,%edx
or     %edx,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0xc(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x34(%rbp),%eax
sar    $0x10,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x10(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x8c(%rbp)
mov    -0x34(%rbp),%eax
mov    $0x24,%ecx
sar    %cl,%eax
mov    -0x8c(%rbp),%ecx
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x14(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x88(%rbp)
mov    -0x34(%rbp),%eax
mov    $0x38,%ecx
sar    %cl,%eax
mov    -0x88(%rbp),%ecx
mov    -0x38(%rbp),%edx
shl    $0x8,%edx
or     %edx,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x18(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x38(%rbp),%eax
sar    $0xc,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x1c(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x84(%rbp)
mov    -0x38(%rbp),%eax
mov    $0x20,%ecx
sar    %cl,%eax
mov    -0x84(%rbp),%ecx
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x20(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x80(%rbp)
mov    -0x38(%rbp),%eax
mov    $0x34,%ecx
sar    %cl,%eax
mov    -0x80(%rbp),%ecx
mov    -0x3c(%rbp),%edx
shl    $0xc,%edx
or     %edx,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x24(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x3c(%rbp),%eax
sar    $0x8,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x28(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x3c(%rbp),%eax
sar    $0x1c,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x2c(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x7c(%rbp)
mov    -0x3c(%rbp),%eax
mov    $0x30,%ecx
sar    %cl,%eax
mov    -0x7c(%rbp),%ecx
mov    -0x40(%rbp),%edx
shl    $0x10,%edx
or     %edx,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x30(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x40(%rbp),%eax
sar    $0x4,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x34(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x40(%rbp),%eax
sar    $0x18,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x38(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x78(%rbp)
mov    -0x40(%rbp),%eax
mov    $0x2c,%ecx
sar    %cl,%eax
mov    -0x78(%rbp),%ecx
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x3c(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x44(%rbp),%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x40(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x44(%rbp),%eax
sar    $0x14,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x44(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x74(%rbp)
mov    -0x44(%rbp),%eax
mov    $0x28,%ecx
sar    %cl,%eax
mov    -0x74(%rbp),%ecx
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x48(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x70(%rbp)
mov    -0x44(%rbp),%eax
mov    $0x3c,%ecx
sar    %cl,%eax
mov    -0x70(%rbp),%ecx
mov    -0x48(%rbp),%edx
shl    $0x4,%edx
or     %edx,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x4c(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x48(%rbp),%eax
sar    $0x10,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x50(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x6c(%rbp)
mov    -0x48(%rbp),%eax
mov    $0x24,%ecx
sar    %cl,%eax
mov    -0x6c(%rbp),%ecx
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x54(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x68(%rbp)
mov    -0x48(%rbp),%eax
mov    $0x38,%ecx
sar    %cl,%eax
mov    -0x68(%rbp),%ecx
mov    -0x4c(%rbp),%edx
shl    $0x8,%edx
or     %edx,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x58(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x4c(%rbp),%eax
sar    $0xc,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x5c(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x64(%rbp)
mov    -0x4c(%rbp),%eax
mov    $0x20,%ecx
sar    %cl,%eax
mov    -0x64(%rbp),%ecx
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x60(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x60(%rbp)
mov    -0x4c(%rbp),%eax
mov    $0x34,%ecx
sar    %cl,%eax
mov    -0x60(%rbp),%ecx
mov    -0x50(%rbp),%edx
shl    $0xc,%edx
or     %edx,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x64(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x50(%rbp),%eax
sar    $0x8,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x68(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x50(%rbp),%eax
sar    $0x1c,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x6c(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x5c(%rbp)
mov    -0x50(%rbp),%eax
mov    $0x30,%ecx
sar    %cl,%eax
mov    -0x5c(%rbp),%ecx
mov    -0x54(%rbp),%edx
shl    $0x10,%edx
or     %edx,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x70(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x54(%rbp),%eax
sar    $0x4,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x74(%rax)
mov    -0x4(%rbp),%ecx
mov    -0x54(%rbp),%eax
sar    $0x18,%eax
and    $0xfffff,%eax
add    %eax,%ecx
mov    -0x28(%rbp),%rax
mov    %ecx,0x78(%rax)
mov    -0x4(%rbp),%eax
mov    %eax,-0x58(%rbp)
mov    -0x54(%rbp),%eax
mov    $0x2c,%ecx
sar    %cl,%eax
mov    -0x58(%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)
add    $0x18,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<unpackforblock20_64>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
mov    (%rsi),%rcx
mov    (%rdx),%rax
movswl 0x6(%rcx),%r13d
mov    (%rcx),%ebx
mov    0x8(%rcx),%r15d
mov    0xc(%rcx),%ebp
mov    0x10(%rcx),%r12d
mov    0x14(%rcx),%r14d
movswl 0x1a(%rcx),%r10d
mov    0x1c(%rcx),%r9d
mov    0x20(%rcx),%r11d
mov    0x24(%rcx),%r8d
add    $0x140,%rcx
mov    %rcx,(%rsi)
mov    %ebx,%ecx
and    $0xfffff,%ecx
add    %edi,%ecx
mov    %ecx,(%rax)
sar    $0x14,%ebx
and    $0xfffff,%ebx
add    %edi,%ebx
mov    %ebx,0x4(%rax)
and    $0xfffff,%r13d
add    %edi,%r13d
mov    %r13d,0x10(%rax)
shr    $0xc,%r15d
add    %edi,%r15d
mov    %r15d,0x1c(%rax)
mov    %ebp,%ecx
shr    $0x8,%ecx
and    $0xfffff,%ecx
add    %edi,%ecx
mov    %ecx,0x28(%rax)
sar    $0x1c,%ebp
and    $0xfffff,%ebp
add    %edi,%ebp
mov    %ebp,0x2c(%rax)
mov    %r12d,%ecx
shr    $0x4,%ecx
and    $0xfffff,%ecx
add    %edi,%ecx
mov    %ecx,0x34(%rax)
sar    $0x18,%r12d
and    $0xfffff,%r12d
add    %edi,%r12d
mov    %r12d,0x38(%rax)
mov    %r14d,%ecx
and    $0xfffff,%ecx
add    %edi,%ecx
mov    %ecx,0x40(%rax)
sar    $0x14,%r14d
and    $0xfffff,%r14d
add    %edi,%r14d
mov    %r14d,0x44(%rax)
and    $0xfffff,%r10d
add    %edi,%r10d
mov    %r10d,0x50(%rax)
shr    $0xc,%r9d
add    %edi,%r9d
mov    %r9d,0x5c(%rax)
mov    %r11d,%ecx
shr    $0x8,%ecx
and    $0xfffff,%ecx
add    %edi,%ecx
mov    %ecx,0x68(%rax)
sar    $0x1c,%r11d
and    $0xfffff,%r11d
add    %edi,%r11d
mov    %r11d,0x6c(%rax)
mov    %r8d,%ecx
shr    $0x4,%ecx
and    $0xfffff,%ecx
add    %edi,%ecx
mov    %ecx,0x74(%rax)
sar    $0x18,%r8d
and    $0xfffff,%r8d
add    %edi,%r8d
mov    %r8d,0x78(%rax)
subq   $0xffffffffffffff80,(%rdx)
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
define void @unpackforblock20_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
%13 = alloca i32
%14 = alloca i32
%15 = alloca i32
%16 = alloca i32
%17 = alloca i32
%18 = alloca i32
%19 = alloca i32
store i32 %0, i32* %4
store i32** %1, i32*** %5
store i32** %2, i32*** %6
%20 = load i32**, i32*** %5
%21 = load i32*, i32** %20
store i32* %21, i32** %7
%22 = load i32**, i32*** %6
%23 = load i32*, i32** %22
store i32* %23, i32** %8
store i32 1048575, i32* %9
%24 = load i32*, i32** %7
%25 = getelementptr inbounds i32, i32* %24, i64 0
%26 = load i32, i32* %25
store i32 %26, i32* %10
%27 = load i32*, i32** %7
%28 = getelementptr inbounds i32, i32* %27, i64 1
%29 = load i32, i32* %28
store i32 %29, i32* %11
%30 = load i32*, i32** %7
%31 = getelementptr inbounds i32, i32* %30, i64 2
%32 = load i32, i32* %31
store i32 %32, i32* %12
%33 = load i32*, i32** %7
%34 = getelementptr inbounds i32, i32* %33, i64 3
%35 = load i32, i32* %34
store i32 %35, i32* %13
%36 = load i32*, i32** %7
%37 = getelementptr inbounds i32, i32* %36, i64 4
%38 = load i32, i32* %37
store i32 %38, i32* %14
%39 = load i32*, i32** %7
%40 = getelementptr inbounds i32, i32* %39, i64 5
%41 = load i32, i32* %40
store i32 %41, i32* %15
%42 = load i32*, i32** %7
%43 = getelementptr inbounds i32, i32* %42, i64 6
%44 = load i32, i32* %43
store i32 %44, i32* %16
%45 = load i32*, i32** %7
%46 = getelementptr inbounds i32, i32* %45, i64 7
%47 = load i32, i32* %46
store i32 %47, i32* %17
%48 = load i32*, i32** %7
%49 = getelementptr inbounds i32, i32* %48, i64 8
%50 = load i32, i32* %49
store i32 %50, i32* %18
%51 = load i32*, i32** %7
%52 = getelementptr inbounds i32, i32* %51, i64 9
%53 = load i32, i32* %52
store i32 %53, i32* %19
%54 = load i32**, i32*** %5
%55 = load i32*, i32** %54
%56 = getelementptr inbounds i32, i32* %55, i64 80
store i32* %56, i32** %54
%57 = load i32, i32* %4
%58 = load i32, i32* %10
%59 = and i32 %58, 1048575
%60 = add nsw i32 %57, %59
%61 = load i32*, i32** %8
%62 = getelementptr inbounds i32, i32* %61, i64 0
store i32 %60, i32* %62
%63 = load i32, i32* %4
%64 = load i32, i32* %10
%65 = ashr i32 %64, 20
%66 = and i32 %65, 1048575
%67 = add nsw i32 %63, %66
%68 = load i32*, i32** %8
%69 = getelementptr inbounds i32, i32* %68, i64 1
store i32 %67, i32* %69
%70 = load i32, i32* %4
%71 = load i32, i32* %10
%72 = ashr i32 %71, 40
%73 = and i32 %72, 1048575
%74 = add nsw i32 %70, %73
%75 = load i32*, i32** %8
%76 = getelementptr inbounds i32, i32* %75, i64 2
store i32 %74, i32* %76
%77 = load i32, i32* %4
%78 = load i32, i32* %10
%79 = ashr i32 %78, 60
%80 = load i32, i32* %11
%81 = shl i32 %80, 4
%82 = or i32 %79, %81
%83 = and i32 %82, 1048575
%84 = add nsw i32 %77, %83
%85 = load i32*, i32** %8
%86 = getelementptr inbounds i32, i32* %85, i64 3
store i32 %84, i32* %86
%87 = load i32, i32* %4
%88 = load i32, i32* %11
%89 = ashr i32 %88, 16
%90 = and i32 %89, 1048575
%91 = add nsw i32 %87, %90
%92 = load i32*, i32** %8
%93 = getelementptr inbounds i32, i32* %92, i64 4
store i32 %91, i32* %93
%94 = load i32, i32* %4
%95 = load i32, i32* %11
%96 = ashr i32 %95, 36
%97 = and i32 %96, 1048575
%98 = add nsw i32 %94, %97
%99 = load i32*, i32** %8
%100 = getelementptr inbounds i32, i32* %99, i64 5
store i32 %98, i32* %100
%101 = load i32, i32* %4
%102 = load i32, i32* %11
%103 = ashr i32 %102, 56
%104 = load i32, i32* %12
%105 = shl i32 %104, 8
%106 = or i32 %103, %105
%107 = and i32 %106, 1048575
%108 = add nsw i32 %101, %107
%109 = load i32*, i32** %8
%110 = getelementptr inbounds i32, i32* %109, i64 6
store i32 %108, i32* %110
%111 = load i32, i32* %4
%112 = load i32, i32* %12
%113 = ashr i32 %112, 12
%114 = and i32 %113, 1048575
%115 = add nsw i32 %111, %114
%116 = load i32*, i32** %8
%117 = getelementptr inbounds i32, i32* %116, i64 7
store i32 %115, i32* %117
%118 = load i32, i32* %4
%119 = load i32, i32* %12
%120 = ashr i32 %119, 32
%121 = and i32 %120, 1048575
%122 = add nsw i32 %118, %121
%123 = load i32*, i32** %8
%124 = getelementptr inbounds i32, i32* %123, i64 8
store i32 %122, i32* %124
%125 = load i32, i32* %4
%126 = load i32, i32* %12
%127 = ashr i32 %126, 52
%128 = load i32, i32* %13
%129 = shl i32 %128, 12
%130 = or i32 %127, %129
%131 = and i32 %130, 1048575
%132 = add nsw i32 %125, %131
%133 = load i32*, i32** %8
%134 = getelementptr inbounds i32, i32* %133, i64 9
store i32 %132, i32* %134
%135 = load i32, i32* %4
%136 = load i32, i32* %13
%137 = ashr i32 %136, 8
%138 = and i32 %137, 1048575
%139 = add nsw i32 %135, %138
%140 = load i32*, i32** %8
%141 = getelementptr inbounds i32, i32* %140, i64 10
store i32 %139, i32* %141
%142 = load i32, i32* %4
%143 = load i32, i32* %13
%144 = ashr i32 %143, 28
%145 = and i32 %144, 1048575
%146 = add nsw i32 %142, %145
%147 = load i32*, i32** %8
%148 = getelementptr inbounds i32, i32* %147, i64 11
store i32 %146, i32* %148
%149 = load i32, i32* %4
%150 = load i32, i32* %13
%151 = ashr i32 %150, 48
%152 = load i32, i32* %14
%153 = shl i32 %152, 16
%154 = or i32 %151, %153
%155 = and i32 %154, 1048575
%156 = add nsw i32 %149, %155
%157 = load i32*, i32** %8
%158 = getelementptr inbounds i32, i32* %157, i64 12
store i32 %156, i32* %158
%159 = load i32, i32* %4
%160 = load i32, i32* %14
%161 = ashr i32 %160, 4
%162 = and i32 %161, 1048575
%163 = add nsw i32 %159, %162
%164 = load i32*, i32** %8
%165 = getelementptr inbounds i32, i32* %164, i64 13
store i32 %163, i32* %165
%166 = load i32, i32* %4
%167 = load i32, i32* %14
%168 = ashr i32 %167, 24
%169 = and i32 %168, 1048575
%170 = add nsw i32 %166, %169
%171 = load i32*, i32** %8
%172 = getelementptr inbounds i32, i32* %171, i64 14
store i32 %170, i32* %172
%173 = load i32, i32* %4
%174 = load i32, i32* %14
%175 = ashr i32 %174, 44
%176 = add nsw i32 %173, %175
%177 = load i32*, i32** %8
%178 = getelementptr inbounds i32, i32* %177, i64 15
store i32 %176, i32* %178
%179 = load i32, i32* %4
%180 = load i32, i32* %15
%181 = and i32 %180, 1048575
%182 = add nsw i32 %179, %181
%183 = load i32*, i32** %8
%184 = getelementptr inbounds i32, i32* %183, i64 16
store i32 %182, i32* %184
%185 = load i32, i32* %4
%186 = load i32, i32* %15
%187 = ashr i32 %186, 20
%188 = and i32 %187, 1048575
%189 = add nsw i32 %185, %188
%190 = load i32*, i32** %8
%191 = getelementptr inbounds i32, i32* %190, i64 17
store i32 %189, i32* %191
%192 = load i32, i32* %4
%193 = load i32, i32* %15
%194 = ashr i32 %193, 40
%195 = and i32 %194, 1048575
%196 = add nsw i32 %192, %195
%197 = load i32*, i32** %8
%198 = getelementptr inbounds i32, i32* %197, i64 18
store i32 %196, i32* %198
%199 = load i32, i32* %4
%200 = load i32, i32* %15
%201 = ashr i32 %200, 60
%202 = load i32, i32* %16
%203 = shl i32 %202, 4
%204 = or i32 %201, %203
%205 = and i32 %204, 1048575
%206 = add nsw i32 %199, %205
%207 = load i32*, i32** %8
%208 = getelementptr inbounds i32, i32* %207, i64 19
store i32 %206, i32* %208
%209 = load i32, i32* %4
%210 = load i32, i32* %16
%211 = ashr i32 %210, 16
%212 = and i32 %211, 1048575
%213 = add nsw i32 %209, %212
%214 = load i32*, i32** %8
%215 = getelementptr inbounds i32, i32* %214, i64 20
store i32 %213, i32* %215
%216 = load i32, i32* %4
%217 = load i32, i32* %16
%218 = ashr i32 %217, 36
%219 = and i32 %218, 1048575
%220 = add nsw i32 %216, %219
%221 = load i32*, i32** %8
%222 = getelementptr inbounds i32, i32* %221, i64 21
store i32 %220, i32* %222
%223 = load i32, i32* %4
%224 = load i32, i32* %16
%225 = ashr i32 %224, 56
%226 = load i32, i32* %17
%227 = shl i32 %226, 8
%228 = or i32 %225, %227
%229 = and i32 %228, 1048575
%230 = add nsw i32 %223, %229
%231 = load i32*, i32** %8
%232 = getelementptr inbounds i32, i32* %231, i64 22
store i32 %230, i32* %232
%233 = load i32, i32* %4
%234 = load i32, i32* %17
%235 = ashr i32 %234, 12
%236 = and i32 %235, 1048575
%237 = add nsw i32 %233, %236
%238 = load i32*, i32** %8
%239 = getelementptr inbounds i32, i32* %238, i64 23
store i32 %237, i32* %239
%240 = load i32, i32* %4
%241 = load i32, i32* %17
%242 = ashr i32 %241, 32
%243 = and i32 %242, 1048575
%244 = add nsw i32 %240, %243
%245 = load i32*, i32** %8
%246 = getelementptr inbounds i32, i32* %245, i64 24
store i32 %244, i32* %246
%247 = load i32, i32* %4
%248 = load i32, i32* %17
%249 = ashr i32 %248, 52
%250 = load i32, i32* %18
%251 = shl i32 %250, 12
%252 = or i32 %249, %251
%253 = and i32 %252, 1048575
%254 = add nsw i32 %247, %253
%255 = load i32*, i32** %8
%256 = getelementptr inbounds i32, i32* %255, i64 25
store i32 %254, i32* %256
%257 = load i32, i32* %4
%258 = load i32, i32* %18
%259 = ashr i32 %258, 8
%260 = and i32 %259, 1048575
%261 = add nsw i32 %257, %260
%262 = load i32*, i32** %8
%263 = getelementptr inbounds i32, i32* %262, i64 26
store i32 %261, i32* %263
%264 = load i32, i32* %4
%265 = load i32, i32* %18
%266 = ashr i32 %265, 28
%267 = and i32 %266, 1048575
%268 = add nsw i32 %264, %267
%269 = load i32*, i32** %8
%270 = getelementptr inbounds i32, i32* %269, i64 27
store i32 %268, i32* %270
%271 = load i32, i32* %4
%272 = load i32, i32* %18
%273 = ashr i32 %272, 48
%274 = load i32, i32* %19
%275 = shl i32 %274, 16
%276 = or i32 %273, %275
%277 = and i32 %276, 1048575
%278 = add nsw i32 %271, %277
%279 = load i32*, i32** %8
%280 = getelementptr inbounds i32, i32* %279, i64 28
store i32 %278, i32* %280
%281 = load i32, i32* %4
%282 = load i32, i32* %19
%283 = ashr i32 %282, 4
%284 = and i32 %283, 1048575
%285 = add nsw i32 %281, %284
%286 = load i32*, i32** %8
%287 = getelementptr inbounds i32, i32* %286, i64 29
store i32 %285, i32* %287
%288 = load i32, i32* %4
%289 = load i32, i32* %19
%290 = ashr i32 %289, 24
%291 = and i32 %290, 1048575
%292 = add nsw i32 %288, %291
%293 = load i32*, i32** %8
%294 = getelementptr inbounds i32, i32* %293, i64 30
store i32 %292, i32* %294
%295 = load i32, i32* %4
%296 = load i32, i32* %19
%297 = ashr i32 %296, 44
%298 = add nsw i32 %295, %297
%299 = load i32*, i32** %8
%300 = getelementptr inbounds i32, i32* %299, i64 31
store i32 %298, i32* %300
%301 = load i32**, i32*** %6
%302 = load i32*, i32** %301
%303 = getelementptr inbounds i32, i32* %302, i64 32
store i32* %303, i32** %301
ret void
}

LLVM IR (-O2):
define void @unpackforblock20_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 3
%12 = load i32, i32* %11
%13 = getelementptr inbounds i32, i32* %4, i64 4
%14 = load i32, i32* %13
%15 = getelementptr inbounds i32, i32* %4, i64 5
%16 = load i32, i32* %15
%17 = getelementptr inbounds i32, i32* %4, i64 6
%18 = load i32, i32* %17
%19 = getelementptr inbounds i32, i32* %4, i64 7
%20 = load i32, i32* %19
%21 = getelementptr inbounds i32, i32* %4, i64 8
%22 = load i32, i32* %21
%23 = getelementptr inbounds i32, i32* %4, i64 9
%24 = load i32, i32* %23
%25 = getelementptr inbounds i32, i32* %4, i64 80
store i32* %25, i32** %1
%26 = and i32 %6, 1048575
%27 = add nsw i32 %26, %0
store i32 %27, i32* %5
%28 = ashr i32 %6, 20
%29 = and i32 %28, 1048575
%30 = add nsw i32 %29, %0
%31 = getelementptr inbounds i32, i32* %5, i64 1
store i32 %30, i32* %31
%32 = ashr i32 %8, 16
%33 = and i32 %32, 1048575
%34 = add nsw i32 %33, %0
%35 = getelementptr inbounds i32, i32* %5, i64 4
store i32 %34, i32* %35
%36 = lshr i32 %10, 12
%37 = add nsw i32 %36, %0
%38 = getelementptr inbounds i32, i32* %5, i64 7
store i32 %37, i32* %38
%39 = lshr i32 %12, 8
%40 = and i32 %39, 1048575
%41 = add nsw i32 %40, %0
%42 = getelementptr inbounds i32, i32* %5, i64 10
store i32 %41, i32* %42
%43 = ashr i32 %12, 28
%44 = and i32 %43, 1048575
%45 = add nsw i32 %44, %0
%46 = getelementptr inbounds i32, i32* %5, i64 11
store i32 %45, i32* %46
%47 = lshr i32 %14, 4
%48 = and i32 %47, 1048575
%49 = add nsw i32 %48, %0
%50 = getelementptr inbounds i32, i32* %5, i64 13
store i32 %49, i32* %50
%51 = ashr i32 %14, 24
%52 = and i32 %51, 1048575
%53 = add nsw i32 %52, %0
%54 = getelementptr inbounds i32, i32* %5, i64 14
store i32 %53, i32* %54
%55 = and i32 %16, 1048575
%56 = add nsw i32 %55, %0
%57 = getelementptr inbounds i32, i32* %5, i64 16
store i32 %56, i32* %57
%58 = ashr i32 %16, 20
%59 = and i32 %58, 1048575
%60 = add nsw i32 %59, %0
%61 = getelementptr inbounds i32, i32* %5, i64 17
store i32 %60, i32* %61
%62 = ashr i32 %18, 16
%63 = and i32 %62, 1048575
%64 = add nsw i32 %63, %0
%65 = getelementptr inbounds i32, i32* %5, i64 20
store i32 %64, i32* %65
%66 = lshr i32 %20, 12
%67 = add nsw i32 %66, %0
%68 = getelementptr inbounds i32, i32* %5, i64 23
store i32 %67, i32* %68
%69 = lshr i32 %22, 8
%70 = and i32 %69, 1048575
%71 = add nsw i32 %70, %0
%72 = getelementptr inbounds i32, i32* %5, i64 26
store i32 %71, i32* %72
%73 = ashr i32 %22, 28
%74 = and i32 %73, 1048575
%75 = add nsw i32 %74, %0
%76 = getelementptr inbounds i32, i32* %5, i64 27
store i32 %75, i32* %76
%77 = lshr i32 %24, 4
%78 = and i32 %77, 1048575
%79 = add nsw i32 %78, %0
%80 = getelementptr inbounds i32, i32* %5, i64 29
store i32 %79, i32* %80
%81 = ashr i32 %24, 24
%82 = and i32 %81, 1048575
%83 = add nsw i32 %82, %0
%84 = getelementptr inbounds i32, i32* %5, i64 30
store i32 %83, i32* %84
%85 = load i32*, i32** %2
%86 = getelementptr inbounds i32, i32* %85, i64 32
store i32* %86, i32** %2
ret void
}