[lld] 72fb8ae - [lld][test][PAC] Do not rely on concrete offsets in LTO tests (#143358)

via llvm-commits llvm-commits at lists.llvm.org
Tue Jun 17 08:29:40 PDT 2025


Author: Daniil Kovalev
Date: 2025-06-17T15:29:37Z
New Revision: 72fb8ae541dcb6d4ab24283bd91a1fc64a9b7e3b

URL: https://github.com/llvm/llvm-project/commit/72fb8ae541dcb6d4ab24283bd91a1fc64a9b7e3b
DIFF: https://github.com/llvm/llvm-project/commit/72fb8ae541dcb6d4ab24283bd91a1fc64a9b7e3b.diff

LOG: [lld][test][PAC] Do not rely on concrete offsets in LTO tests (#143358)

When changing codegen (e.g. in #130809), offsets in binaries produced by
LTO tests might change. We do not need to match concrete offset values,
it's enough to ensure that hex values in particular places are
identical.

---------

Co-authored-by: Anatoly Trosinenko <atrosinenko at accesssoftek.com>

Added: 
    

Modified: 
    lld/test/ELF/lto/aarch64-pac-got-func.ll

Removed: 
    


################################################################################
diff  --git a/lld/test/ELF/lto/aarch64-pac-got-func.ll b/lld/test/ELF/lto/aarch64-pac-got-func.ll
index a37c67a2f3ba8..0baa3559a6f90 100644
--- a/lld/test/ELF/lto/aarch64-pac-got-func.ll
+++ b/lld/test/ELF/lto/aarch64-pac-got-func.ll
@@ -5,29 +5,29 @@
 ; RUN: llvm-readelf -r -x.got %t | FileCheck %s
 
 ; CHECK:      Relocation section '.rela.dyn' at offset 0x3d0 contains 8 entries:
-; CHECK-NEXT:     Offset             Info             Type               Symbol's Value  Symbol's Name + Addend
-; CHECK-NEXT: 00000000000206a0  0000000100000412 R_AARCH64_AUTH_GLOB_DAT 0000000000000000 func_undef + 0
-; CHECK-NEXT: 00000000000206a8  0000000200000412 R_AARCH64_AUTH_GLOB_DAT 0000000000000000 g1 + 0
-; CHECK-NEXT: 00000000000206b0  0000000300000412 R_AARCH64_AUTH_GLOB_DAT 0000000000000000 g2 + 0
-; CHECK-NEXT: 00000000000206b8  0000000400000412 R_AARCH64_AUTH_GLOB_DAT 0000000000000000 g3 + 0
-; CHECK-NEXT: 00000000000206c0  0000000500000412 R_AARCH64_AUTH_GLOB_DAT 0000000000000000 g4 + 0
-; CHECK-NEXT: 00000000000206c8  0000000600000412 R_AARCH64_AUTH_GLOB_DAT 0000000000000000 var_undef + 0
-; CHECK-NEXT: 0000000000020690  0000000700000412 R_AARCH64_AUTH_GLOB_DAT 0000000000010490 func + 0
-; CHECK-NEXT: 0000000000020698  0000000a00000412 R_AARCH64_AUTH_GLOB_DAT 00000000000306d0 var + 0
+; CHECK-NEXT:     Offset                Info             Type               Symbol's Value  Symbol's Name + Addend
+; CHECK-NEXT: [[#%x,ADDR:]]        0000000100000412 R_AARCH64_AUTH_GLOB_DAT 0000000000000000 func_undef + 0
+; CHECK-NEXT: {{0*}}[[#ADDR+0x8]]  0000000200000412 R_AARCH64_AUTH_GLOB_DAT 0000000000000000 g1 + 0
+; CHECK-NEXT: {{0*}}[[#ADDR+0x10]] 0000000300000412 R_AARCH64_AUTH_GLOB_DAT 0000000000000000 g2 + 0
+; CHECK-NEXT: {{0*}}[[#ADDR+0x18]] 0000000400000412 R_AARCH64_AUTH_GLOB_DAT 0000000000000000 g3 + 0
+; CHECK-NEXT: {{0*}}[[#ADDR+0x20]] 0000000500000412 R_AARCH64_AUTH_GLOB_DAT 0000000000000000 g4 + 0
+; CHECK-NEXT: {{0*}}[[#ADDR+0x28]] 0000000600000412 R_AARCH64_AUTH_GLOB_DAT 0000000000000000 var_undef + 0
+; CHECK-NEXT: {{0*}}[[#ADDR-0x10]] 0000000700000412 R_AARCH64_AUTH_GLOB_DAT 0000000000010800 func + 0
+; CHECK-NEXT: {{0*}}[[#ADDR-0x8]]  0000000a00000412 R_AARCH64_AUTH_GLOB_DAT 0000000000031400 var + 0
 
 ; CHECK:      Hex dump of section '.got':
-; CHECK-NEXT: 0x00020690 00000000 00000080 00000000 000000a0
-;;                                      ^^ func: 0b10000000 bit 63 address diversity = true, bits 61..60 key = IA
-;;                                                        ^^ var: 0b10100000 bit 63 address diversity = true, bits 61..60 key = DA
-; CHECK-NEXT: 0x000206a0 00000000 00000080 00000000 000000a0
-;;                                      ^^ func_undef: 0b10000000 bit 63 address diversity = true, bits 61..60 key = IA
-;;                                                        ^^ g1: 0b10100000 bit 63 address diversity = true, bits 61..60 key = DA
-; CHECK-NEXT: 0x000206b0 00000000 000000a0 00000000 000000a0
-;;                                      ^^ g2: 0b10100000 bit 63 address diversity = true, bits 61..60 key = DA
-;;                                                        ^^ g3: 0b10100000 bit 63 address diversity = true, bits 61..60 key = DA
-; CHECK-NEXT: 0x000206c0 00000000 000000a0 00000000 000000a0
-;;                                      ^^ g4: 0b10100000 bit 63 address diversity = true, bits 61..60 key = DA
-;;                                                        ^^ var_undef: 0b10100000 bit 63 address diversity = true, bits 61..60 key = DA
+; CHECK-NEXT: 0x{{0*}}[[#ADDR-0x10]] 00000000 00000080 00000000 000000a0
+;;                                                  ^^ func: 0b10000000 bit 63 address diversity = true, bits 61..60 key = IA
+;;                                                                    ^^ var: 0b10100000 bit 63 address diversity = true, bits 61..60 key = DA
+; CHECK-NEXT: 0x{{0*}}[[#ADDR]]      00000000 00000080 00000000 000000a0
+;;                                                  ^^ func_undef: 0b10000000 bit 63 address diversity = true, bits 61..60 key = IA
+;;                                                                    ^^ g1: 0b10100000 bit 63 address diversity = true, bits 61..60 key = DA
+; CHECK-NEXT: 0x{{0*}}[[#ADDR+0x10]] 00000000 000000a0 00000000 000000a0
+;;                                                  ^^ g2: 0b10100000 bit 63 address diversity = true, bits 61..60 key = DA
+;;                                                                    ^^ g3: 0b10100000 bit 63 address diversity = true, bits 61..60 key = DA
+; CHECK-NEXT: 0x{{0*}}[[#ADDR+0x20]] 00000000 000000a0 00000000 000000a0
+;;                                                  ^^ g4: 0b10100000 bit 63 address diversity = true, bits 61..60 key = DA
+;;                                                                    ^^ var_undef: 0b10100000 bit 63 address diversity = true, bits 61..60 key = DA
 
 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
 target triple = "aarch64-unknown-linux-gnu"
@@ -37,16 +37,16 @@ target triple = "aarch64-unknown-linux-gnu"
 @g3 = external global ptr
 @g4 = external global ptr
 
-define void @func() {
+define void @func() align 1024 {
 entry:
   ret void
 }
 declare void @func_undef()
 
- at var = global i32 42
+ at var = global i32 42, align 1024
 @var_undef = external global i32
 
-define void @bar() #0 {
+define void @bar() #0 align 1024 {
 entry:
   store ptr ptrauth (ptr @func, i32 0), ptr @g1
   store ptr ptrauth (ptr @func_undef, i32 0), ptr @g2
@@ -55,7 +55,7 @@ entry:
   ret void
 }
 
-define void @_start() {
+define void @_start() align 1024 {
 entry:
   ret void
 }


        


More information about the llvm-commits mailing list