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llvm-project/llvm/test/CodeGen/X86/xor.ll

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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown -mattr=+sse2 | FileCheck %s -check-prefixes=X32
; RUN: llc < %s -mtriple=x86_64-linux -mattr=+sse2 | FileCheck %s -check-prefixes=X64,X64-LIN
; RUN: llc < %s -mtriple=x86_64-win32 -mattr=+sse2 | FileCheck %s -check-prefixes=X64,X64-WIN
; Though it is undefined, we want xor undef,undef to produce zero.
define <4 x i32> @test1() nounwind {
; X32-LABEL: test1:
; X32: # %bb.0:
; X32-NEXT: xorps %xmm0, %xmm0
; X32-NEXT: retl
;
; X64-LABEL: test1:
; X64: # %bb.0:
; X64-NEXT: xorps %xmm0, %xmm0
; X64-NEXT: retq
%tmp = xor <4 x i32> undef, undef
ret <4 x i32> %tmp
}
; Though it is undefined, we want xor undef,undef to produce zero.
define i32 @test2() nounwind{
; X32-LABEL: test2:
; X32: # %bb.0:
; X32-NEXT: xorl %eax, %eax
; X32-NEXT: retl
;
; X64-LABEL: test2:
; X64: # %bb.0:
; X64-NEXT: xorl %eax, %eax
; X64-NEXT: retq
%tmp = xor i32 undef, undef
ret i32 %tmp
}
define i32 @test3(i32 %a, i32 %b) nounwind {
; X32-LABEL: test3:
; X32: # %bb.0: # %entry
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: notl %eax
; X32-NEXT: andl {{[0-9]+}}(%esp), %eax
; X32-NEXT: shrl %eax
; X32-NEXT: retl
;
; X64-LIN-LABEL: test3:
; X64-LIN: # %bb.0: # %entry
; X64-LIN-NEXT: movl %esi, %eax
; X64-LIN-NEXT: notl %eax
; X64-LIN-NEXT: andl %edi, %eax
; X64-LIN-NEXT: shrl %eax
; X64-LIN-NEXT: retq
;
; X64-WIN-LABEL: test3:
; X64-WIN: # %bb.0: # %entry
; X64-WIN-NEXT: movl %edx, %eax
; X64-WIN-NEXT: notl %eax
; X64-WIN-NEXT: andl %ecx, %eax
; X64-WIN-NEXT: shrl %eax
; X64-WIN-NEXT: retq
entry:
%tmp1not = xor i32 %b, -2
%tmp3 = and i32 %tmp1not, %a
%tmp4 = lshr i32 %tmp3, 1
ret i32 %tmp4
}
define i32 @test4(i32 %a, i32 %b) nounwind {
; X32-LABEL: test4:
; X32: # %bb.0: # %entry
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: .p2align 4, 0x90
; X32-NEXT: .LBB3_1: # %bb
; X32-NEXT: # =>This Inner Loop Header: Depth=1
; X32-NEXT: xorl %ecx, %eax
; X32-NEXT: movl %eax, %edx
; X32-NEXT: notl %edx
; X32-NEXT: andl %ecx, %edx
; X32-NEXT: addl %edx, %edx
; X32-NEXT: movl %edx, %ecx
; X32-NEXT: jne .LBB3_1
; X32-NEXT: # %bb.2: # %bb12
; X32-NEXT: retl
;
; X64-LIN-LABEL: test4:
; X64-LIN: # %bb.0: # %entry
; X64-LIN-NEXT: movl %edi, %eax
; X64-LIN-NEXT: .p2align 4, 0x90
; X64-LIN-NEXT: .LBB3_1: # %bb
; X64-LIN-NEXT: # =>This Inner Loop Header: Depth=1
; X64-LIN-NEXT: xorl %esi, %eax
; X64-LIN-NEXT: movl %eax, %ecx
; X64-LIN-NEXT: notl %ecx
; X64-LIN-NEXT: andl %esi, %ecx
; X64-LIN-NEXT: addl %ecx, %ecx
; X64-LIN-NEXT: movl %ecx, %esi
; X64-LIN-NEXT: jne .LBB3_1
; X64-LIN-NEXT: # %bb.2: # %bb12
; X64-LIN-NEXT: retq
;
; X64-WIN-LABEL: test4:
; X64-WIN: # %bb.0: # %entry
; X64-WIN-NEXT: movl %ecx, %eax
; X64-WIN-NEXT: .p2align 4, 0x90
; X64-WIN-NEXT: .LBB3_1: # %bb
; X64-WIN-NEXT: # =>This Inner Loop Header: Depth=1
; X64-WIN-NEXT: xorl %edx, %eax
; X64-WIN-NEXT: movl %eax, %ecx
; X64-WIN-NEXT: notl %ecx
; X64-WIN-NEXT: andl %edx, %ecx
; X64-WIN-NEXT: addl %ecx, %ecx
; X64-WIN-NEXT: movl %ecx, %edx
; X64-WIN-NEXT: jne .LBB3_1
; X64-WIN-NEXT: # %bb.2: # %bb12
; X64-WIN-NEXT: retq
entry:
br label %bb
bb:
%b_addr.0 = phi i32 [ %b, %entry ], [ %tmp8, %bb ]
%a_addr.0 = phi i32 [ %a, %entry ], [ %tmp3, %bb ]
%tmp3 = xor i32 %a_addr.0, %b_addr.0
%tmp4not = xor i32 %tmp3, 2147483647
%tmp6 = and i32 %tmp4not, %b_addr.0
%tmp8 = shl i32 %tmp6, 1
%tmp10 = icmp eq i32 %tmp8, 0
br i1 %tmp10, label %bb12, label %bb
bb12:
ret i32 %tmp3
}
define i16 @test5(i16 %a, i16 %b) nounwind {
; X32-LABEL: test5:
; X32: # %bb.0: # %entry
; X32-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X32-NEXT: .p2align 4, 0x90
; X32-NEXT: .LBB4_1: # %bb
; X32-NEXT: # =>This Inner Loop Header: Depth=1
; X32-NEXT: xorl %ecx, %eax
; X32-NEXT: movl %eax, %edx
; X32-NEXT: notl %edx
; X32-NEXT: andl %ecx, %edx
; X32-NEXT: addl %edx, %edx
; X32-NEXT: testw %dx, %dx
; X32-NEXT: movl %edx, %ecx
; X32-NEXT: jne .LBB4_1
; X32-NEXT: # %bb.2: # %bb12
; X32-NEXT: # kill: def $ax killed $ax killed $eax
; X32-NEXT: retl
;
; X64-LIN-LABEL: test5:
; X64-LIN: # %bb.0: # %entry
; X64-LIN-NEXT: movl %edi, %eax
; X64-LIN-NEXT: .p2align 4, 0x90
; X64-LIN-NEXT: .LBB4_1: # %bb
; X64-LIN-NEXT: # =>This Inner Loop Header: Depth=1
; X64-LIN-NEXT: xorl %esi, %eax
; X64-LIN-NEXT: movl %eax, %ecx
; X64-LIN-NEXT: notl %ecx
; X64-LIN-NEXT: andl %esi, %ecx
; X64-LIN-NEXT: addl %ecx, %ecx
; X64-LIN-NEXT: testw %cx, %cx
; X64-LIN-NEXT: movl %ecx, %esi
; X64-LIN-NEXT: jne .LBB4_1
; X64-LIN-NEXT: # %bb.2: # %bb12
; X64-LIN-NEXT: # kill: def $ax killed $ax killed $eax
; X64-LIN-NEXT: retq
;
; X64-WIN-LABEL: test5:
; X64-WIN: # %bb.0: # %entry
; X64-WIN-NEXT: # kill: def $dx killed $dx def $edx
; X64-WIN-NEXT: movl %ecx, %eax
; X64-WIN-NEXT: .p2align 4, 0x90
; X64-WIN-NEXT: .LBB4_1: # %bb
; X64-WIN-NEXT: # =>This Inner Loop Header: Depth=1
; X64-WIN-NEXT: xorl %edx, %eax
; X64-WIN-NEXT: movl %eax, %ecx
; X64-WIN-NEXT: notl %ecx
; X64-WIN-NEXT: andl %edx, %ecx
; X64-WIN-NEXT: addl %ecx, %ecx
; X64-WIN-NEXT: testw %cx, %cx
; X64-WIN-NEXT: movl %ecx, %edx
; X64-WIN-NEXT: jne .LBB4_1
; X64-WIN-NEXT: # %bb.2: # %bb12
; X64-WIN-NEXT: # kill: def $ax killed $ax killed $eax
; X64-WIN-NEXT: retq
entry:
br label %bb
bb:
%b_addr.0 = phi i16 [ %b, %entry ], [ %tmp8, %bb ]
%a_addr.0 = phi i16 [ %a, %entry ], [ %tmp3, %bb ]
%tmp3 = xor i16 %a_addr.0, %b_addr.0
%tmp4not = xor i16 %tmp3, 32767
%tmp6 = and i16 %tmp4not, %b_addr.0
%tmp8 = shl i16 %tmp6, 1
%tmp10 = icmp eq i16 %tmp8, 0
br i1 %tmp10, label %bb12, label %bb
bb12:
ret i16 %tmp3
}
define i8 @test6(i8 %a, i8 %b) nounwind {
; X32-LABEL: test6:
; X32: # %bb.0: # %entry
; X32-NEXT: movb {{[0-9]+}}(%esp), %cl
; X32-NEXT: movb {{[0-9]+}}(%esp), %al
; X32-NEXT: .p2align 4, 0x90
; X32-NEXT: .LBB5_1: # %bb
; X32-NEXT: # =>This Inner Loop Header: Depth=1
; X32-NEXT: xorb %cl, %al
; X32-NEXT: movl %eax, %edx
; X32-NEXT: notb %dl
; X32-NEXT: andb %cl, %dl
; X32-NEXT: addb %dl, %dl
; X32-NEXT: movl %edx, %ecx
; X32-NEXT: jne .LBB5_1
; X32-NEXT: # %bb.2: # %bb12
; X32-NEXT: retl
;
; X64-LIN-LABEL: test6:
; X64-LIN: # %bb.0: # %entry
; X64-LIN-NEXT: movl %edi, %eax
; X64-LIN-NEXT: .p2align 4, 0x90
; X64-LIN-NEXT: .LBB5_1: # %bb
; X64-LIN-NEXT: # =>This Inner Loop Header: Depth=1
; X64-LIN-NEXT: xorb %sil, %al
; X64-LIN-NEXT: movl %eax, %ecx
; X64-LIN-NEXT: notb %cl
; X64-LIN-NEXT: andb %sil, %cl
; X64-LIN-NEXT: addb %cl, %cl
; X64-LIN-NEXT: movl %ecx, %esi
; X64-LIN-NEXT: jne .LBB5_1
; X64-LIN-NEXT: # %bb.2: # %bb12
; X64-LIN-NEXT: # kill: def $al killed $al killed $eax
; X64-LIN-NEXT: retq
;
; X64-WIN-LABEL: test6:
; X64-WIN: # %bb.0: # %entry
; X64-WIN-NEXT: movl %ecx, %eax
; X64-WIN-NEXT: .p2align 4, 0x90
; X64-WIN-NEXT: .LBB5_1: # %bb
; X64-WIN-NEXT: # =>This Inner Loop Header: Depth=1
; X64-WIN-NEXT: xorb %dl, %al
; X64-WIN-NEXT: movl %eax, %ecx
; X64-WIN-NEXT: notb %cl
; X64-WIN-NEXT: andb %dl, %cl
; X64-WIN-NEXT: addb %cl, %cl
; X64-WIN-NEXT: movl %ecx, %edx
; X64-WIN-NEXT: jne .LBB5_1
; X64-WIN-NEXT: # %bb.2: # %bb12
; X64-WIN-NEXT: retq
entry:
br label %bb
bb:
%b_addr.0 = phi i8 [ %b, %entry ], [ %tmp8, %bb ]
%a_addr.0 = phi i8 [ %a, %entry ], [ %tmp3, %bb ]
%tmp3 = xor i8 %a_addr.0, %b_addr.0
%tmp4not = xor i8 %tmp3, 127
%tmp6 = and i8 %tmp4not, %b_addr.0
%tmp8 = shl i8 %tmp6, 1
%tmp10 = icmp eq i8 %tmp8, 0
br i1 %tmp10, label %bb12, label %bb
bb12:
ret i8 %tmp3
}
define i32 @test7(i32 %a, i32 %b) nounwind {
; X32-LABEL: test7:
; X32: # %bb.0: # %entry
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: .p2align 4, 0x90
; X32-NEXT: .LBB6_1: # %bb
; X32-NEXT: # =>This Inner Loop Header: Depth=1
; X32-NEXT: xorl %ecx, %eax
; X32-NEXT: movl %eax, %edx
; X32-NEXT: xorl $2147483646, %edx # imm = 0x7FFFFFFE
; X32-NEXT: andl %ecx, %edx
; X32-NEXT: addl %edx, %edx
; X32-NEXT: movl %edx, %ecx
; X32-NEXT: jne .LBB6_1
; X32-NEXT: # %bb.2: # %bb12
; X32-NEXT: retl
;
; X64-LIN-LABEL: test7:
; X64-LIN: # %bb.0: # %entry
; X64-LIN-NEXT: movl %edi, %eax
; X64-LIN-NEXT: .p2align 4, 0x90
; X64-LIN-NEXT: .LBB6_1: # %bb
; X64-LIN-NEXT: # =>This Inner Loop Header: Depth=1
; X64-LIN-NEXT: xorl %esi, %eax
; X64-LIN-NEXT: movl %eax, %ecx
; X64-LIN-NEXT: xorl $2147483646, %ecx # imm = 0x7FFFFFFE
; X64-LIN-NEXT: andl %esi, %ecx
; X64-LIN-NEXT: addl %ecx, %ecx
; X64-LIN-NEXT: movl %ecx, %esi
; X64-LIN-NEXT: jne .LBB6_1
; X64-LIN-NEXT: # %bb.2: # %bb12
; X64-LIN-NEXT: retq
;
; X64-WIN-LABEL: test7:
; X64-WIN: # %bb.0: # %entry
; X64-WIN-NEXT: movl %ecx, %eax
; X64-WIN-NEXT: .p2align 4, 0x90
; X64-WIN-NEXT: .LBB6_1: # %bb
; X64-WIN-NEXT: # =>This Inner Loop Header: Depth=1
; X64-WIN-NEXT: xorl %edx, %eax
; X64-WIN-NEXT: movl %eax, %ecx
; X64-WIN-NEXT: xorl $2147483646, %ecx # imm = 0x7FFFFFFE
; X64-WIN-NEXT: andl %edx, %ecx
; X64-WIN-NEXT: addl %ecx, %ecx
; X64-WIN-NEXT: movl %ecx, %edx
; X64-WIN-NEXT: jne .LBB6_1
; X64-WIN-NEXT: # %bb.2: # %bb12
; X64-WIN-NEXT: retq
entry:
br label %bb
bb:
%b_addr.0 = phi i32 [ %b, %entry ], [ %tmp8, %bb ]
%a_addr.0 = phi i32 [ %a, %entry ], [ %tmp3, %bb ]
%tmp3 = xor i32 %a_addr.0, %b_addr.0
%tmp4not = xor i32 %tmp3, 2147483646
%tmp6 = and i32 %tmp4not, %b_addr.0
%tmp8 = shl i32 %tmp6, 1
%tmp10 = icmp eq i32 %tmp8, 0
br i1 %tmp10, label %bb12, label %bb
bb12:
ret i32 %tmp3
}
; rdar://7553032
define i32 @test8(i32 %a) nounwind {
; X32-LABEL: test8:
; X32: # %bb.0: # %entry
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: notl %eax
; X32-NEXT: retl
;
; X64-LIN-LABEL: test8:
; X64-LIN: # %bb.0: # %entry
; X64-LIN-NEXT: movl %edi, %eax
; X64-LIN-NEXT: notl %eax
; X64-LIN-NEXT: retq
;
; X64-WIN-LABEL: test8:
; X64-WIN: # %bb.0: # %entry
; X64-WIN-NEXT: movl %ecx, %eax
; X64-WIN-NEXT: notl %eax
; X64-WIN-NEXT: retq
entry:
%t1 = sub i32 0, %a
%t2 = add i32 %t1, -1
ret i32 %t2
}
define i32 @test9(i32 %a) nounwind {
; X32-LABEL: test9:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: notl %eax
; X32-NEXT: andl $4096, %eax # imm = 0x1000
; X32-NEXT: retl
;
; X64-LIN-LABEL: test9:
; X64-LIN: # %bb.0:
; X64-LIN-NEXT: movl %edi, %eax
; X64-LIN-NEXT: notl %eax
; X64-LIN-NEXT: andl $4096, %eax # imm = 0x1000
; X64-LIN-NEXT: retq
;
; X64-WIN-LABEL: test9:
; X64-WIN: # %bb.0:
; X64-WIN-NEXT: movl %ecx, %eax
; X64-WIN-NEXT: notl %eax
; X64-WIN-NEXT: andl $4096, %eax # imm = 0x1000
; X64-WIN-NEXT: retq
%1 = and i32 %a, 4096
%2 = xor i32 %1, 4096
ret i32 %2
}
; PR15948
define <4 x i32> @test10(<4 x i32> %a) nounwind {
; X32-LABEL: test10:
; X32: # %bb.0:
; X32-NEXT: andnps {{\.LCPI.*}}, %xmm0
; X32-NEXT: retl
;
; X64-LIN-LABEL: test10:
; X64-LIN: # %bb.0:
; X64-LIN-NEXT: andnps {{.*}}(%rip), %xmm0
; X64-LIN-NEXT: retq
;
; X64-WIN-LABEL: test10:
; X64-WIN: # %bb.0:
; X64-WIN-NEXT: movaps (%rcx), %xmm0
; X64-WIN-NEXT: andnps __xmm@{{.*}}(%rip), %xmm0
; X64-WIN-NEXT: retq
%1 = and <4 x i32> %a, <i32 4096, i32 4096, i32 4096, i32 4096>
%2 = xor <4 x i32> %1, <i32 4096, i32 4096, i32 4096, i32 4096>
ret <4 x i32> %2
}
define i32 @PR17487(i1 %tobool) {
; X32-LABEL: PR17487:
; X32: # %bb.0:
; X32-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X32-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,1,0,1]
; X32-NEXT: pandn {{\.LCPI.*}}, %xmm0
; X32-NEXT: pshufd {{.*#+}} xmm1 = xmm0[3,1,2,3]
; X32-NEXT: movd %xmm1, %ecx
; X32-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
; X32-NEXT: movd %xmm0, %edx
; X32-NEXT: xorl $1, %edx
; X32-NEXT: xorl %eax, %eax
; X32-NEXT: orl %ecx, %edx
; X32-NEXT: setne %al
; X32-NEXT: retl
;
; X64-LIN-LABEL: PR17487:
; X64-LIN: # %bb.0:
; X64-LIN-NEXT: movd %edi, %xmm0
; X64-LIN-NEXT: pextrw $0, %xmm0, %eax
; X64-LIN-NEXT: andl $1, %eax
; X64-LIN-NEXT: retq
;
; X64-WIN-LABEL: PR17487:
; X64-WIN: # %bb.0:
; X64-WIN-NEXT: andb $1, %cl
; X64-WIN-NEXT: movzbl %cl, %eax
; X64-WIN-NEXT: retq
%tmp = insertelement <2 x i1> undef, i1 %tobool, i32 1
%tmp1 = zext <2 x i1> %tmp to <2 x i64>
%tmp2 = xor <2 x i64> %tmp1, <i64 1, i64 1>
%tmp3 = extractelement <2 x i64> %tmp2, i32 1
%add = add nsw i64 0, %tmp3
%cmp6 = icmp ne i64 %add, 1
%conv7 = zext i1 %cmp6 to i32
ret i32 %conv7
}
define i32 @test11(i32 %b) {
; X32-LABEL: test11:
; X32: # %bb.0:
; X32-NEXT: movb {{[0-9]+}}(%esp), %cl
; X32-NEXT: movl $-2, %eax
; X32-NEXT: roll %cl, %eax
; X32-NEXT: retl
;
; X64-LIN-LABEL: test11:
; X64-LIN: # %bb.0:
; X64-LIN-NEXT: movl %edi, %ecx
; X64-LIN-NEXT: movl $-2, %eax
; X64-LIN-NEXT: # kill: def $cl killed $cl killed $ecx
; X64-LIN-NEXT: roll %cl, %eax
; X64-LIN-NEXT: retq
;
; X64-WIN-LABEL: test11:
; X64-WIN: # %bb.0:
; X64-WIN-NEXT: movl $-2, %eax
; X64-WIN-NEXT: # kill: def $cl killed $cl killed $ecx
; X64-WIN-NEXT: roll %cl, %eax
; X64-WIN-NEXT: retq
%shl = shl i32 1, %b
%neg = xor i32 %shl, -1
ret i32 %neg
}
%struct.ref_s = type { %union.v, i16, i16 }
%union.v = type { i64 }
define %struct.ref_s* @test12(%struct.ref_s* %op, i64 %osbot, i64 %intval) {
; X32-LABEL: test12:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: notl %eax
; X32-NEXT: leal (%eax,%eax,2), %eax
; X32-NEXT: shll $2, %eax
; X32-NEXT: addl {{[0-9]+}}(%esp), %eax
; X32-NEXT: retl
;
; X64-LIN-LABEL: test12:
; X64-LIN: # %bb.0:
; X64-LIN-NEXT: notl %edx
; X64-LIN-NEXT: movslq %edx, %rax
; X64-LIN-NEXT: shlq $4, %rax
; X64-LIN-NEXT: addq %rdi, %rax
; X64-LIN-NEXT: retq
;
; X64-WIN-LABEL: test12:
; X64-WIN: # %bb.0:
; X64-WIN-NEXT: notl %r8d
; X64-WIN-NEXT: movslq %r8d, %rax
; X64-WIN-NEXT: shlq $4, %rax
; X64-WIN-NEXT: addq %rcx, %rax
; X64-WIN-NEXT: retq
%neg = shl i64 %intval, 32
%sext = xor i64 %neg, -4294967296
%idx.ext = ashr exact i64 %sext, 32
%add.ptr = getelementptr inbounds %struct.ref_s, %struct.ref_s* %op, i64 %idx.ext
ret %struct.ref_s* %add.ptr
}
define i32 @PR39657(i8* %p, i64 %x) {
; X32-LABEL: PR39657:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X32-NEXT: notl %ecx
; X32-NEXT: movl (%eax,%ecx,4), %eax
; X32-NEXT: retl
;
; X64-LIN-LABEL: PR39657:
; X64-LIN: # %bb.0:
; X64-LIN-NEXT: notq %rsi
; X64-LIN-NEXT: movl (%rdi,%rsi,4), %eax
; X64-LIN-NEXT: retq
;
; X64-WIN-LABEL: PR39657:
; X64-WIN: # %bb.0:
; X64-WIN-NEXT: notq %rdx
; X64-WIN-NEXT: movl (%rcx,%rdx,4), %eax
; X64-WIN-NEXT: retq
%sh = shl i64 %x, 2
%mul = xor i64 %sh, -4
%add.ptr = getelementptr inbounds i8, i8* %p, i64 %mul
%bc = bitcast i8* %add.ptr to i32*
%load = load i32, i32* %bc, align 4
ret i32 %load
}
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