[llvm] Fix `llvm/test/DebugInfo/Generic/discriminated-union.ll` on big-endian targets (PR #125849)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-debuginfo

Author: None (beetrees)

<details>
<summary>Changes</summary>

Fixes the failure of the [Solaris/sparcv9 buildbot](https://lab.llvm.org/buildbot/#/builders/13/builds/5103) caused by #<!-- -->125578.

cc @<!-- -->rorth @<!-- -->tromey @<!-- -->dwblaikie

---
Full diff: https://github.com/llvm/llvm-project/pull/125849.diff


1 Files Affected:

- (modified) llvm/test/DebugInfo/Generic/discriminated-union.ll (+4-3) 


``````````diff
diff --git a/llvm/test/DebugInfo/Generic/discriminated-union.ll b/llvm/test/DebugInfo/Generic/discriminated-union.ll
index 592f2152ae6820..0267580eb0cbf3 100644
--- a/llvm/test/DebugInfo/Generic/discriminated-union.ll
+++ b/llvm/test/DebugInfo/Generic/discriminated-union.ll
@@ -1,8 +1,8 @@
 ; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t
-; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s
+; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s --check-prefix %if target-byteorder-big-endian %{ CHECK-BE %} %else %{ CHECK-LE %}
 
 ; RUN: %llc_dwarf --try-experimental-debuginfo-iterators -O0 -filetype=obj < %s > %t
-; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s
+; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s --check-prefix %if target-byteorder-big-endian %{ CHECK-BE %} %else %{ CHECK-LE %}
 
 ; Check for a variant part that has two members, one of which has a
 ; discriminant value.
@@ -22,7 +22,8 @@
 ;         CHECK: DW_AT_alignment
 ;         CHECK: DW_AT_data_member_location [DW_FORM_data1]	(0x00)
 ;     CHECK: DW_TAG_variant
-;       CHECK: DW_AT_discr_value [DW_FORM_block1]	(<0x10> 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 )
+;       CHECK-LE: DW_AT_discr_value [DW_FORM_block1]	(<0x10> 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 )
+;       CHECK-BE: DW_AT_discr_value [DW_FORM_block1]	(<0x10> 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00 )
 ;       CHECK: DW_TAG_member
 ;         CHECK: DW_AT_type
 ;         CHECK: DW_AT_alignment

``````````

</details>


https://github.com/llvm/llvm-project/pull/125849