#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 */

/* Variables and functions */
int /*<<< orphan*/ __assume_aligned(double const *, int);
void vec_subtract_half(double *restrict u, const double *restrict v, size_t n) {
  __assume_aligned(u, 64);
  __assume_aligned(v, 64);
  size_t block = 64;
  for (size_t i = 0; i < n - block; i += block)
    for (size_t j = 0; j < n; ++j) {
      for (size_t b = 0; b < block; ++b) {
        u[j * n + b] -= 0.5 * v[j * n + b];
      }
    }
  size_t start = n - n % block;
  for (size_t j = 0; j < n; ++j)
    for (size_t b = start; b < n; ++b) {
      u[j * n + b] -= 0.5 * v[j * n + b];
    }
}


x86 assembly (clang, -O0):
<vec_subtract_half>:
push   %rbp
mov    %rsp,%rbp
sub    $0x60,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
mov    %rdx,-0x18(%rbp)
mov    -0x8(%rbp),%rdi
mov    $0x40,%esi
call   1030 <__assume_aligned@plt>
mov    -0x10(%rbp),%rdi
mov    $0x40,%esi
call   1030 <__assume_aligned@plt>
movq   $0x40,-0x20(%rbp)
movq   $0x0,-0x28(%rbp)
mov    -0x28(%rbp),%rax
mov    -0x18(%rbp),%rcx
sub    -0x20(%rbp),%rcx
cmp    %rcx,%rax
jae    120f <vec_subtract_half+0xff>
movq   $0x0,-0x30(%rbp)
mov    -0x30(%rbp),%rax
cmp    -0x18(%rbp),%rax
jae    11f9 <vec_subtract_half+0xe9>
movq   $0x0,-0x38(%rbp)
mov    -0x38(%rbp),%rax
cmp    -0x20(%rbp),%rax
jae    11e3 <vec_subtract_half+0xd3>
mov    -0x10(%rbp),%rax
mov    -0x30(%rbp),%rcx
imul   -0x18(%rbp),%rcx
add    -0x38(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm0
mov    -0x8(%rbp),%rax
mov    -0x30(%rbp),%rcx
imul   -0x18(%rbp),%rcx
add    -0x38(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm1
movsd  0xe3b(%rip),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,(%rax,%rcx,8)
mov    -0x38(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x38(%rbp)
jmp    1183 <vec_subtract_half+0x73>
jmp    11e8 <vec_subtract_half+0xd8>
mov    -0x30(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x30(%rbp)
jmp    116d <vec_subtract_half+0x5d>
jmp    11fe <vec_subtract_half+0xee>
mov    -0x20(%rbp),%rax
add    -0x28(%rbp),%rax
mov    %rax,-0x28(%rbp)
jmp    1150 <vec_subtract_half+0x40>
mov    -0x18(%rbp),%rax
mov    %rax,-0x58(%rbp)
mov    -0x18(%rbp),%rax
xor    %ecx,%ecx
mov    %ecx,%edx
divq   -0x20(%rbp)
mov    -0x58(%rbp),%rax
sub    %rdx,%rax
mov    %rax,-0x40(%rbp)
movq   $0x0,-0x48(%rbp)
mov    -0x48(%rbp),%rax
cmp    -0x18(%rbp),%rax
jae    12c2 <vec_subtract_half+0x1b2>
mov    -0x40(%rbp),%rax
mov    %rax,-0x50(%rbp)
mov    -0x50(%rbp),%rax
cmp    -0x18(%rbp),%rax
jae    12ac <vec_subtract_half+0x19c>
mov    -0x10(%rbp),%rax
mov    -0x48(%rbp),%rcx
imul   -0x18(%rbp),%rcx
add    -0x50(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm0
mov    -0x8(%rbp),%rax
mov    -0x48(%rbp),%rcx
imul   -0x18(%rbp),%rcx
add    -0x50(%rbp),%rcx
movsd  (%rax,%rcx,8),%xmm1
movsd  0xd72(%rip),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,(%rax,%rcx,8)
mov    -0x50(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x50(%rbp)
jmp    124c <vec_subtract_half+0x13c>
jmp    12b1 <vec_subtract_half+0x1a1>
mov    -0x48(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x48(%rbp)
jmp    1236 <vec_subtract_half+0x126>
add    $0x60,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<vec_subtract_half>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x28,%rsp
mov    %rdx,%rbx
mov    %rsi,%rbp
mov    %rdi,%r14
mov    $0x40,%esi
call   1030 <__assume_aligned@plt>
mov    %rbp,%rdi
mov    $0x40,%esi
call   1030 <__assume_aligned@plt>
mov    %rbx,%r10
add    $0xffffffffffffffc0,%r10
mov    %rbp,0x8(%rsp)
je     1201 <vec_subtract_half+0xf1>
lea    0x10(%r14),%r8
lea    0x0(,%rbx,8),%rdx
lea    0x10(%rbp),%r9
xor    %edi,%edi
movapd 0xe96(%rip),%xmm0
jmp    117d <vec_subtract_half+0x6d>
nopl   0x0(%rax)
add    $0x40,%rdi
cmp    %r10,%rdi
jae    13c4 <vec_subtract_half+0x2b4>
test   %rbx,%rbx
je     1170 <vec_subtract_half+0x60>
mov    %r9,%rsi
mov    %r8,%rcx
xor    %ebp,%ebp
nopw   0x0(%rax,%rax,1)
xor    %eax,%eax
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
movupd -0x10(%rsi,%rax,8),%xmm1
mulpd  %xmm0,%xmm1
movupd -0x10(%rcx,%rax,8),%xmm2
addpd  %xmm1,%xmm2
movupd (%rcx,%rax,8),%xmm1
movupd %xmm2,-0x10(%rcx,%rax,8)
movupd (%rsi,%rax,8),%xmm2
mulpd  %xmm0,%xmm2
addpd  %xmm1,%xmm2
movupd %xmm2,(%rcx,%rax,8)
add    $0x4,%rax
cmp    $0x40,%rax
jne    11a0 <vec_subtract_half+0x90>
add    $0x1,%rbp
add    %rdx,%rcx
add    %rdx,%rsi
cmp    %rbx,%rbp
jne    1190 <vec_subtract_half+0x80>
add    $0x40,%rdi
cmp    %r10,%rdi
jb     117d <vec_subtract_half+0x6d>
mov    %rbx,%r10
and    $0xffffffffffffffc0,%r10
mov    0x8(%rsp),%rbp
jmp    1207 <vec_subtract_half+0xf7>
mov    $0x40,%r10d
mov    %rbx,%r13
sub    %r10,%r13
lea    -0x4(%r13),%r12
mov    %r12,0x20(%rsp)
shr    $0x2,%r12
add    $0x1,%r12
mov    %r13,%r11
and    $0xfffffffffffffffc,%r11
lea    (%r10,%r11,1),%rax
mov    %rax,0x18(%rsp)
mov    %r12,%rax
and    $0xfffffffffffffffe,%rax
mov    %rax,0x10(%rsp)
lea    (%r14,%r10,8),%rdx
add    $0x30,%rdx
lea    0x0(,%rbx,8),%rdi
lea    0x30(,%r10,8),%rsi
add    %rbp,%rsi
xor    %ecx,%ecx
movsd  0xdb1(%rip),%xmm0
movapd 0xd99(%rip),%xmm1
mov    %r14,%r15
jmp    1289 <vec_subtract_half+0x179>
nopl   0x0(%rax)
add    $0x1,%rcx
add    %rdi,%rdx
add    %rdi,%rsi
add    %rdi,%r15
add    %rdi,%rbp
cmp    %rbx,%rcx
je     13c4 <vec_subtract_half+0x2b4>
cmp    %rbx,%r10
jae    1270 <vec_subtract_half+0x160>
mov    %r10,%rax
cmp    $0x4,%r13
jb     13a0 <vec_subtract_half+0x290>
cmpq   $0x4,0x20(%rsp)
jae    12ab <vec_subtract_half+0x19b>
xor    %r9d,%r9d
jmp    133b <vec_subtract_half+0x22b>
mov    0x10(%rsp),%r8
xor    %r9d,%r9d
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
movupd -0x30(%rsi,%r9,8),%xmm2
movupd -0x20(%rsi,%r9,8),%xmm3
mulpd  %xmm1,%xmm2
movupd -0x30(%rdx,%r9,8),%xmm4
addpd  %xmm2,%xmm4
movupd -0x20(%rdx,%r9,8),%xmm2
movupd -0x10(%rdx,%r9,8),%xmm5
movupd (%rdx,%r9,8),%xmm6
mulpd  %xmm1,%xmm3
addpd  %xmm2,%xmm3
movupd %xmm4,-0x30(%rdx,%r9,8)
movupd %xmm3,-0x20(%rdx,%r9,8)
movupd -0x10(%rsi,%r9,8),%xmm2
movupd (%rsi,%r9,8),%xmm3
mulpd  %xmm1,%xmm2
addpd  %xmm5,%xmm2
mulpd  %xmm1,%xmm3
addpd  %xmm6,%xmm3
movupd %xmm2,-0x10(%rdx,%r9,8)
movupd %xmm3,(%rdx,%r9,8)
add    $0x8,%r9
add    $0xfffffffffffffffe,%r8
jne    12c0 <vec_subtract_half+0x1b0>
test   $0x1,%r12b
je     138a <vec_subtract_half+0x27a>
mov    %rcx,%rax
imul   %rbx,%rax
add    %r10,%r9
add    %rax,%r9
mov    0x8(%rsp),%rax
movupd (%rax,%r9,8),%xmm2
movupd 0x10(%rax,%r9,8),%xmm3
movupd (%r14,%r9,8),%xmm4
movupd 0x10(%r14,%r9,8),%xmm5
mulpd  %xmm1,%xmm2
addpd  %xmm4,%xmm2
mulpd  %xmm1,%xmm3
addpd  %xmm5,%xmm3
movupd %xmm2,(%r14,%r9,8)
movupd %xmm3,0x10(%r14,%r9,8)
mov    0x18(%rsp),%rax
cmp    %r11,%r13
je     1270 <vec_subtract_half+0x160>
nopl   0x0(%rax,%rax,1)
movsd  0x0(%rbp,%rax,8),%xmm2
mulsd  %xmm0,%xmm2
addsd  (%r15,%rax,8),%xmm2
movsd  %xmm2,(%r15,%rax,8)
add    $0x1,%rax
cmp    %rbx,%rax
jb     13a0 <vec_subtract_half+0x290>
jmp    1270 <vec_subtract_half+0x160>
add    $0x28,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
define void @vec_subtract_half(double* noalias %0, double* noalias %1, i64 %2) {
%4 = alloca double*
%5 = alloca double*
%6 = alloca i64
%7 = alloca i64
%8 = alloca i64
%9 = alloca i64
%10 = alloca i64
%11 = alloca i64
%12 = alloca i64
%13 = alloca i64
store double* %0, double** %4
store double* %1, double** %5
store i64 %2, i64* %6
%14 = load double*, double** %4
%15 = call i32 @__assume_aligned(double* %14, i32 64)
%16 = load double*, double** %5
%17 = call i32 @__assume_aligned(double* %16, i32 64)
store i64 64, i64* %7
store i64 0, i64* %8
br label %18
18: ; preds = %60, %3
%19 = load i64, i64* %8
%20 = load i64, i64* %6
%21 = load i64, i64* %7
%22 = sub i64 %20, %21
%23 = icmp ult i64 %19, %22
br i1 %23, label %24, label %64
24: ; preds = %18
store i64 0, i64* %9
br label %25
25: ; preds = %56, %24
%26 = load i64, i64* %9
%27 = load i64, i64* %6
%28 = icmp ult i64 %26, %27
br i1 %28, label %29, label %59
29: ; preds = %25
store i64 0, i64* %10
br label %30
30: ; preds = %52, %29
%31 = load i64, i64* %10
%32 = load i64, i64* %7
%33 = icmp ult i64 %31, %32
br i1 %33, label %34, label %55
34: ; preds = %30
%35 = load double*, double** %5
%36 = load i64, i64* %9
%37 = load i64, i64* %6
%38 = mul i64 %36, %37
%39 = load i64, i64* %10
%40 = add i64 %38, %39
%41 = getelementptr inbounds double, double* %35, i64 %40
%42 = load double, double* %41
%43 = load double*, double** %4
%44 = load i64, i64* %9
%45 = load i64, i64* %6
%46 = mul i64 %44, %45
%47 = load i64, i64* %10
%48 = add i64 %46, %47
%49 = getelementptr inbounds double, double* %43, i64 %48
%50 = load double, double* %49
%51 = call double @llvm.fmuladd.f64(double -5.000000e-01, double %42, double %50)
store double %51, double* %49
br label %52
52: ; preds = %34
%53 = load i64, i64* %10
%54 = add i64 %53, 1
store i64 %54, i64* %10
br label %30
55: ; preds = %30
br label %56
56: ; preds = %55
%57 = load i64, i64* %9
%58 = add i64 %57, 1
store i64 %58, i64* %9
br label %25
59: ; preds = %25
br label %60
60: ; preds = %59
%61 = load i64, i64* %7
%62 = load i64, i64* %8
%63 = add i64 %62, %61
store i64 %63, i64* %8
br label %18
64: ; preds = %18
%65 = load i64, i64* %6
%66 = load i64, i64* %6
%67 = load i64, i64* %7
%68 = urem i64 %66, %67
%69 = sub i64 %65, %68
store i64 %69, i64* %11
store i64 0, i64* %12
br label %70
70: ; preds = %102, %64
%71 = load i64, i64* %12
%72 = load i64, i64* %6
%73 = icmp ult i64 %71, %72
br i1 %73, label %74, label %105
74: ; preds = %70
%75 = load i64, i64* %11
store i64 %75, i64* %13
br label %76
76: ; preds = %98, %74
%77 = load i64, i64* %13
%78 = load i64, i64* %6
%79 = icmp ult i64 %77, %78
br i1 %79, label %80, label %101
80: ; preds = %76
%81 = load double*, double** %5
%82 = load i64, i64* %12
%83 = load i64, i64* %6
%84 = mul i64 %82, %83
%85 = load i64, i64* %13
%86 = add i64 %84, %85
%87 = getelementptr inbounds double, double* %81, i64 %86
%88 = load double, double* %87
%89 = load double*, double** %4
%90 = load i64, i64* %12
%91 = load i64, i64* %6
%92 = mul i64 %90, %91
%93 = load i64, i64* %13
%94 = add i64 %92, %93
%95 = getelementptr inbounds double, double* %89, i64 %94
%96 = load double, double* %95
%97 = call double @llvm.fmuladd.f64(double -5.000000e-01, double %88, double %96)
store double %97, double* %95
br label %98
98: ; preds = %80
%99 = load i64, i64* %13
%100 = add i64 %99, 1
store i64 %100, i64* %13
br label %76
101: ; preds = %76
br label %102
102: ; preds = %101
%103 = load i64, i64* %12
%104 = add i64 %103, 1
store i64 %104, i64* %12
br label %70
105: ; preds = %70
ret void
}

LLVM IR (-O2):
define void @vec_subtract_half(double* noalias %0, double* noalias %1, i64 %2) {
%4 = tail call i32 @__assume_aligned(double* %0, i32 64)
%5 = tail call i32 @__assume_aligned(double* %1, i32 64)
%6 = add i64 %2, -64
%7 = icmp eq i64 %6, 0
br i1 %7, label %14, label %8
8: ; preds = %3
%9 = icmp eq i64 %2, 0
br label %10
10: ; preds = %58, %8
%11 = phi i64 [ 0, %8 ], [ %59, %58 ]
br i1 %9, label %60, label %29
12: ; preds = %55
%13 = and i64 %2, -64
br label %14
14: ; preds = %12, %3
%15 = phi i64 [ %13, %12 ], [ 64, %3 ]
%16 = icmp ult i64 %15, %2
%17 = sub i64 %2, %15
%18 = add i64 %17, -4
%19 = lshr i64 %18, 2
%20 = add nuw nsw i64 %19, 1
%21 = icmp ult i64 %17, 4
%22 = and i64 %17, -4
%23 = add i64 %15, %22
%24 = and i64 %20, 1
%25 = icmp ult i64 %18, 4
%26 = and i64 %20, 9223372036854775806
%27 = icmp eq i64 %24, 0
%28 = icmp eq i64 %17, %22
br label %66
29: ; preds = %10, %63
%30 = phi i64 [ %64, %63 ], [ 0, %10 ]
%31 = mul i64 %30, %2
br label %32
32: ; preds = %32, %29
%33 = phi i64 [ 0, %29 ], [ %53, %32 ]
%34 = add i64 %33, %31
%35 = getelementptr inbounds double, double* %1, i64 %34
%36 = bitcast double* %35 to <2 x double>*
%37 = load <2 x double>, <2 x double>* %36
%38 = getelementptr inbounds double, double* %0, i64 %34
%39 = bitcast double* %38 to <2 x double>*
%40 = load <2 x double>, <2 x double>* %39
%41 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %37, <2 x double> <double -5.000000e-01, double -5.000000e-01>, <2 x double> %40)
%42 = bitcast double* %38 to <2 x double>*
store <2 x double> %41, <2 x double>* %42
%43 = or i64 %33, 2
%44 = add i64 %43, %31
%45 = getelementptr inbounds double, double* %1, i64 %44
%46 = bitcast double* %45 to <2 x double>*
%47 = load <2 x double>, <2 x double>* %46
%48 = getelementptr inbounds double, double* %0, i64 %44
%49 = bitcast double* %48 to <2 x double>*
%50 = load <2 x double>, <2 x double>* %49
%51 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %47, <2 x double> <double -5.000000e-01, double -5.000000e-01>, <2 x double> %50)
%52 = bitcast double* %48 to <2 x double>*
store <2 x double> %51, <2 x double>* %52
%53 = add nuw nsw i64 %33, 4
%54 = icmp eq i64 %53, 64
br i1 %54, label %63, label %32
55: ; preds = %63
%56 = add nuw i64 %11, 64
%57 = icmp ult i64 %56, %6
br i1 %57, label %58, label %12
58: ; preds = %55, %60
%59 = phi i64 [ %56, %55 ], [ %61, %60 ]
br label %10
60: ; preds = %10
%61 = add nuw i64 %11, 64
%62 = icmp ult i64 %61, %6
br i1 %62, label %58, label %138
63: ; preds = %32
%64 = add nuw i64 %30, 1
%65 = icmp eq i64 %64, %2
br i1 %65, label %55, label %29
66: ; preds = %14, %139
%67 = phi i64 [ 0, %14 ], [ %140, %139 ]
br i1 %16, label %68, label %139
68: ; preds = %66
%69 = mul i64 %67, %2
br i1 %21, label %136, label %70
70: ; preds = %68
br i1 %25, label %114, label %71
71: ; preds = %70, %71
%72 = phi i64 [ %111, %71 ], [ 0, %70 ]
%73 = phi i64 [ %112, %71 ], [ 0, %70 ]
%74 = add i64 %15, %72
%75 = add i64 %74, %69
%76 = getelementptr inbounds double, double* %1, i64 %75
%77 = bitcast double* %76 to <2 x double>*
%78 = load <2 x double>, <2 x double>* %77
%79 = getelementptr inbounds double, double* %76, i64 2
%80 = bitcast double* %79 to <2 x double>*
%81 = load <2 x double>, <2 x double>* %80
%82 = getelementptr inbounds double, double* %0, i64 %75
%83 = bitcast double* %82 to <2 x double>*
%84 = load <2 x double>, <2 x double>* %83
%85 = getelementptr inbounds double, double* %82, i64 2
%86 = bitcast double* %85 to <2 x double>*
%87 = load <2 x double>, <2 x double>* %86
%88 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %78, <2 x double> <double -5.000000e-01, double -5.000000e-01>, <2 x double> %84)
%89 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %81, <2 x double> <double -5.000000e-01, double -5.000000e-01>, <2 x double> %87)
%90 = bitcast double* %82 to <2 x double>*
store <2 x double> %88, <2 x double>* %90
%91 = bitcast double* %85 to <2 x double>*
store <2 x double> %89, <2 x double>* %91
%92 = or i64 %72, 4
%93 = add i64 %15, %92
%94 = add i64 %93, %69
%95 = getelementptr inbounds double, double* %1, i64 %94
%96 = bitcast double* %95 to <2 x double>*
%97 = load <2 x double>, <2 x double>* %96
%98 = getelementptr inbounds double, double* %95, i64 2
%99 = bitcast double* %98 to <2 x double>*
%100 = load <2 x double>, <2 x double>* %99
%101 = getelementptr inbounds double, double* %0, i64 %94
%102 = bitcast double* %101 to <2 x double>*
%103 = load <2 x double>, <2 x double>* %102
%104 = getelementptr inbounds double, double* %101, i64 2
%105 = bitcast double* %104 to <2 x double>*
%106 = load <2 x double>, <2 x double>* %105
%107 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %97, <2 x double> <double -5.000000e-01, double -5.000000e-01>, <2 x double> %103)
%108 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %100, <2 x double> <double -5.000000e-01, double -5.000000e-01>, <2 x double> %106)
%109 = bitcast double* %101 to <2 x double>*
store <2 x double> %107, <2 x double>* %109
%110 = bitcast double* %104 to <2 x double>*
store <2 x double> %108, <2 x double>* %110
%111 = add nuw i64 %72, 8
%112 = add i64 %73, 2
%113 = icmp eq i64 %112, %26
br i1 %113, label %114, label %71
114: ; preds = %71, %70
%115 = phi i64 [ 0, %70 ], [ %111, %71 ]
br i1 %27, label %135, label %116
116: ; preds = %114
%117 = add i64 %15, %115
%118 = add i64 %117, %69
%119 = getelementptr inbounds double, double* %1, i64 %118
%120 = bitcast double* %119 to <2 x double>*
%121 = load <2 x double>, <2 x double>* %120
%122 = getelementptr inbounds double, double* %119, i64 2
%123 = bitcast double* %122 to <2 x double>*
%124 = load <2 x double>, <2 x double>* %123
%125 = getelementptr inbounds double, double* %0, i64 %118
%126 = bitcast double* %125 to <2 x double>*
%127 = load <2 x double>, <2 x double>* %126
%128 = getelementptr inbounds double, double* %125, i64 2
%129 = bitcast double* %128 to <2 x double>*
%130 = load <2 x double>, <2 x double>* %129
%131 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %121, <2 x double> <double -5.000000e-01, double -5.000000e-01>, <2 x double> %127)
%132 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %124, <2 x double> <double -5.000000e-01, double -5.000000e-01>, <2 x double> %130)
%133 = bitcast double* %125 to <2 x double>*
store <2 x double> %131, <2 x double>* %133
%134 = bitcast double* %128 to <2 x double>*
store <2 x double> %132, <2 x double>* %134
br label %135
135: ; preds = %114, %116
br i1 %28, label %139, label %136
136: ; preds = %68, %135
%137 = phi i64 [ %15, %68 ], [ %23, %135 ]
br label %142
138: ; preds = %60, %139
ret void
139: ; preds = %142, %135, %66
%140 = add nuw i64 %67, 1
%141 = icmp eq i64 %140, %2
br i1 %141, label %138, label %66
142: ; preds = %136, %142
%143 = phi i64 [ %150, %142 ], [ %137, %136 ]
%144 = add i64 %143, %69
%145 = getelementptr inbounds double, double* %1, i64 %144
%146 = load double, double* %145
%147 = getelementptr inbounds double, double* %0, i64 %144
%148 = load double, double* %147
%149 = tail call double @llvm.fmuladd.f64(double %146, double -5.000000e-01, double %148)
store double %149, double* %147
%150 = add nuw i64 %143, 1
%151 = icmp ult i64 %150, %2
br i1 %151, label %142, label %139
}