176 lines
6.7 KiB
LLVM
176 lines
6.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -verify-machineinstrs -mtriple=i386--netbsd < %s | FileCheck %s
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; Regression test for http://reviews.llvm.org/D5701
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%struct.XXH_state64_t = type { i32, i32, i64, i64, i64 }
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@a = common global i32 0, align 4
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@b = common global i64 0, align 8
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; Function Attrs: nounwind uwtable
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define i64 @fn1() #0 {
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; CHECK-LABEL: fn1:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: pushl %ebp
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: .cfi_offset %ebp, -8
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; CHECK-NEXT: movl %esp, %ebp
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; CHECK-NEXT: .cfi_def_cfa_register %ebp
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; CHECK-NEXT: pushl %ebx
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; CHECK-NEXT: pushl %edi
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; CHECK-NEXT: pushl %esi
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; CHECK-NEXT: subl $12, %esp
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; CHECK-NEXT: .cfi_offset %esi, -20
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; CHECK-NEXT: .cfi_offset %edi, -16
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; CHECK-NEXT: .cfi_offset %ebx, -12
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; CHECK-NEXT: movl $-1028477379, %edi # imm = 0xC2B2AE3D
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; CHECK-NEXT: movl $668265295, %ebx # imm = 0x27D4EB4F
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; CHECK-NEXT: movl a, %eax
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; CHECK-NEXT: cmpl $0, (%eax)
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; CHECK-NEXT: je .LBB0_2
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; CHECK-NEXT: # %bb.1: # %if.then
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; CHECK-NEXT: movl 8(%eax), %edi
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; CHECK-NEXT: movl 12(%eax), %esi
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; CHECK-NEXT: movl %esi, %edx
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; CHECK-NEXT: shldl $1, %edi, %edx
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; CHECK-NEXT: orl %esi, %edx
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; CHECK-NEXT: leal (%edi,%edi), %ecx
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; CHECK-NEXT: orl %edi, %ecx
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; CHECK-NEXT: movl %ecx, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
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; CHECK-NEXT: movl 16(%eax), %ecx
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; CHECK-NEXT: movl 20(%eax), %esi
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; CHECK-NEXT: movl %esi, %edi
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; CHECK-NEXT: shldl $2, %ecx, %edi
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; CHECK-NEXT: movl %edi, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
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; CHECK-NEXT: movl %esi, %edi
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; CHECK-NEXT: shldl $31, %ecx, %edi
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; CHECK-NEXT: shll $2, %ecx
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; CHECK-NEXT: orl %edi, %ecx
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; CHECK-NEXT: shrl %esi
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; CHECK-NEXT: orl {{[-0-9]+}}(%e{{[sb]}}p), %esi # 4-byte Folded Reload
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; CHECK-NEXT: addl {{[-0-9]+}}(%e{{[sb]}}p), %ecx # 4-byte Folded Reload
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; CHECK-NEXT: movl %ecx, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
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; CHECK-NEXT: adcl %edx, %esi
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; CHECK-NEXT: movl 28(%eax), %ecx
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; CHECK-NEXT: movl %ecx, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
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; CHECK-NEXT: movl 24(%eax), %eax
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; CHECK-NEXT: movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
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; CHECK-NEXT: movl $-1028477379, %ecx # imm = 0xC2B2AE3D
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; CHECK-NEXT: imull %eax, %ecx
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; CHECK-NEXT: mull %ebx
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; CHECK-NEXT: movl %eax, %edi
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; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %eax # 4-byte Reload
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; CHECK-NEXT: imull %eax, %ebx
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; CHECK-NEXT: addl %ecx, %ebx
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; CHECK-NEXT: addl %edx, %ebx
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; CHECK-NEXT: imull $1336530590, %eax, %ecx # imm = 0x4FA9D69E
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; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %edx # 4-byte Reload
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; CHECK-NEXT: imull $-2056954758, %edx, %eax # imm = 0x85655C7A
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; CHECK-NEXT: addl %eax, %ecx
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; CHECK-NEXT: movl %edx, %eax
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; CHECK-NEXT: movl $1336530590, %edx # imm = 0x4FA9D69E
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; CHECK-NEXT: mull %edx
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; CHECK-NEXT: addl %edx, %ecx
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; CHECK-NEXT: shrdl $3, %ebx, %edi
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; CHECK-NEXT: sarl $3, %ebx
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; CHECK-NEXT: orl %ecx, %ebx
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; CHECK-NEXT: orl %eax, %edi
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; CHECK-NEXT: imull $326129324, %edi, %eax # imm = 0x137056AC
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; CHECK-NEXT: imull $-66860409, %ebx, %ecx # imm = 0xFC03CA87
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; CHECK-NEXT: addl %eax, %ecx
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; CHECK-NEXT: movl $-66860409, %ebx # imm = 0xFC03CA87
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: mull %ebx
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; CHECK-NEXT: addl %edx, %ecx
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; CHECK-NEXT: xorl %esi, %ecx
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; CHECK-NEXT: xorl {{[-0-9]+}}(%e{{[sb]}}p), %eax # 4-byte Folded Reload
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; CHECK-NEXT: movl %ecx, b+4
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; CHECK-NEXT: imull $326129324, %eax, %edx # imm = 0x137056AC
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; CHECK-NEXT: imull $-66860409, %ecx, %ecx # imm = 0xFC03CA87
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; CHECK-NEXT: addl %edx, %ecx
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; CHECK-NEXT: movl %eax, b
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; CHECK-NEXT: mull %ebx
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; CHECK-NEXT: jmp .LBB0_3
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; CHECK-NEXT: .LBB0_2: # %if.else
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; CHECK-NEXT: xorl b+4, %edi
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; CHECK-NEXT: xorl b, %ebx
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; CHECK-NEXT: movl $1419758215, %ecx # imm = 0x549FCA87
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; CHECK-NEXT: movl %ebx, %eax
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; CHECK-NEXT: mull %ecx
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; CHECK-NEXT: imull $93298681, %ebx, %esi # imm = 0x58F9FF9
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; CHECK-NEXT: imull $1419758215, %edi, %ecx # imm = 0x549FCA87
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; CHECK-NEXT: addl %esi, %ecx
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; CHECK-NEXT: .LBB0_3: # %if.end
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; CHECK-NEXT: addl %edx, %ecx
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; CHECK-NEXT: addl $-1028477341, %eax # imm = 0xC2B2AE63
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; CHECK-NEXT: adcl $-2048144777, %ecx # imm = 0x85EBCA77
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; CHECK-NEXT: movl %eax, b
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; CHECK-NEXT: movl %ecx, b+4
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; CHECK-NEXT: addl $12, %esp
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; CHECK-NEXT: popl %esi
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; CHECK-NEXT: popl %edi
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; CHECK-NEXT: popl %ebx
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; CHECK-NEXT: popl %ebp
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; CHECK-NEXT: .cfi_def_cfa %esp, 4
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; CHECK-NEXT: retl
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entry:
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%0 = load i32, ptr @a, align 4, !tbaa !1
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%1 = inttoptr i32 %0 to ptr
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%2 = load i32, ptr %1, align 4, !tbaa !5
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%tobool = icmp eq i32 %2, 0
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br i1 %tobool, label %if.else, label %if.then
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if.then: ; preds = %entry
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%v3 = getelementptr inbounds %struct.XXH_state64_t, ptr %1, i32 0, i32 3
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%3 = load i64, ptr %v3, align 4, !tbaa !8
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%v4 = getelementptr inbounds %struct.XXH_state64_t, ptr %1, i32 0, i32 4
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%4 = load i64, ptr %v4, align 4, !tbaa !9
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%v2 = getelementptr inbounds %struct.XXH_state64_t, ptr %1, i32 0, i32 2
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%5 = load i64, ptr %v2, align 4, !tbaa !10
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%shl = shl i64 %5, 1
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%or = or i64 %shl, %5
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%shl2 = shl i64 %3, 2
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%shr = lshr i64 %3, 1
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%or3 = or i64 %shl2, %shr
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%add = add i64 %or, %or3
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%mul = mul i64 %4, -4417276706812531889
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%shl4 = mul i64 %4, -8834553413625063778
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%shr5 = ashr i64 %mul, 3
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%or6 = or i64 %shr5, %shl4
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%mul7 = mul nsw i64 %or6, 1400714785074694791
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%xor = xor i64 %add, %mul7
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store i64 %xor, ptr @b, align 8, !tbaa !11
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%mul8 = mul nsw i64 %xor, 1400714785074694791
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br label %if.end
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if.else: ; preds = %entry
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%6 = load i64, ptr @b, align 8, !tbaa !11
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%xor10 = xor i64 %6, -4417276706812531889
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%mul11 = mul nsw i64 %xor10, 400714785074694791
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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%storemerge.in = phi i64 [ %mul11, %if.else ], [ %mul8, %if.then ]
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%storemerge = add i64 %storemerge.in, -8796714831421723037
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store i64 %storemerge, ptr @b, align 8, !tbaa !11
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ret i64 undef
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}
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attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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!llvm.ident = !{!0}
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!0 = !{!"clang version 3.6 (trunk 219587)"}
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!1 = !{!2, !2, i64 0}
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!2 = !{!"int", !3, i64 0}
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!3 = !{!"omnipotent char", !4, i64 0}
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!4 = !{!"Simple C/C++ TBAA"}
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!5 = !{!6, !2, i64 0}
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!6 = !{!"XXH_state64_t", !2, i64 0, !2, i64 4, !7, i64 8, !7, i64 16, !7, i64 24}
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!7 = !{!"long long", !3, i64 0}
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!8 = !{!6, !7, i64 16}
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!9 = !{!6, !7, i64 24}
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!10 = !{!6, !7, i64 8}
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!11 = !{!7, !7, i64 0}
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