Author: hfinkel
Date: Mon Aug 29 21:38:34 2016
New Revision: 280053
URL: http://llvm.org/viewvc/llvm-project?rev=280053&view=rev
Log:
[PowerPC] Update the DWARF register-size table
The PPC64 DWARF register-size table did not match the ABI specification (or
GCC, for that matter). Fix that, and add a regression test.
Fixes PR27931.
Added:
cfe/trunk/test/CodeGen/ppc64-dwarf.c
Modified:
cfe/trunk/lib/CodeGen/TargetInfo.cpp
Modified: cfe/trunk/lib/CodeGen/TargetInfo.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/TargetInfo.cpp?rev=280053&r1=280052&r2=280053&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/TargetInfo.cpp (original)
+++ cfe/trunk/lib/CodeGen/TargetInfo.cpp Mon Aug 29 21:38:34 2016
@@ -4413,14 +4413,17 @@ PPC64_initDwarfEHRegSizeTable(CodeGen::C
// 32-63: fp0-31, the 8-byte floating-point registers
AssignToArrayRange(Builder, Address, Eight8, 32, 63);
- // 64-76 are various 4-byte special-purpose registers:
+ // 64-67 are various 8-byte special-purpose registers:
// 64: mq
// 65: lr
// 66: ctr
// 67: ap
+ AssignToArrayRange(Builder, Address, Eight8, 64, 67);
+
+ // 68-76 are various 4-byte special-purpose registers:
// 68-75 cr0-7
// 76: xer
- AssignToArrayRange(Builder, Address, Four8, 64, 76);
+ AssignToArrayRange(Builder, Address, Four8, 68, 76);
// 77-108: v0-31, the 16-byte vector registers
AssignToArrayRange(Builder, Address, Sixteen8, 77, 108);
@@ -4430,7 +4433,10 @@ PPC64_initDwarfEHRegSizeTable(CodeGen::C
// 111: spe_acc
// 112: spefscr
// 113: sfp
- AssignToArrayRange(Builder, Address, Four8, 109, 113);
+ // 114: tfhar
+ // 115: tfiar
+ // 116: texasr
+ AssignToArrayRange(Builder, Address, Eight8, 109, 116);
return false;
}
Added: cfe/trunk/test/CodeGen/ppc64-dwarf.c
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/ppc64-dwarf.c?rev=280053&view=auto
==============================================================================
--- cfe/trunk/test/CodeGen/ppc64-dwarf.c (added)
+++ cfe/trunk/test/CodeGen/ppc64-dwarf.c Mon Aug 29 21:38:34 2016
@@ -0,0 +1,129 @@
+// RUN: %clang_cc1 -triple powerpc64-unknown-unknown -emit-llvm %s -o - |
FileCheck %s
+static unsigned char dwarf_reg_size_table[1024];
+
+int test() {
+ __builtin_init_dwarf_reg_size_table(dwarf_reg_size_table);
+
+ return __builtin_dwarf_sp_column();
+}
+
+// CHECK-LABEL: define signext i32 @test()
+// CHECK: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 0), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 1), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 2), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 3), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 4), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 5), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 6), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 7), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 8), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 9), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 10), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 11), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 12), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 13), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 14), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 15), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 16), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 17), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 18), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 19), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 20), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 21), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 22), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 23), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 24), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 25), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 26), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 27), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 28), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 29), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 30), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 31), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 32), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 33), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 34), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 35), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 36), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 37), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 38), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 39), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 40), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 41), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 42), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 43), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 44), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 45), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 46), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 47), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 48), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 49), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 50), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 51), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 52), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 53), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 54), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 55), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 56), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 57), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 58), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 59), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 60), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 61), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 62), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 63), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 64), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 65), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 66), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 67), align 1
+// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 68), align 1
+// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 69), align 1
+// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 70), align 1
+// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 71), align 1
+// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 72), align 1
+// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 73), align 1
+// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 74), align 1
+// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 75), align 1
+// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 76), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 77), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 78), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 79), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 80), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 81), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 82), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 83), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 84), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 85), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 86), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 87), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 88), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 89), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 90), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 91), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 92), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 93), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 94), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 95), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 96), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 97), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 98), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 99), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 100), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 101), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 102), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 103), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 104), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 105), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 106), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 107), align 1
+// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 108), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 109), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 110), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 111), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 112), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 113), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 114), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 115), align 1
+// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x
i8]* @dwarf_reg_size_table, i32 0, i32 116), align 1
+// CHECK-NEXT: ret i32 1
+
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