[llvm] [NFCI] [HWASan] add test for custom section global (PR #149625)

[Florian Mayer via llvm-commits]

https://github.com/fmayer updated https://github.com/llvm/llvm-project/pull/149625

>From a8f1fa8fff831ef01b876e91fad96b531b5a7563 Mon Sep 17 00:00:00 2001
From: Florian Mayer <fmayer at google.com>
Date: Fri, 18 Jul 2025 18:19:02 -0700
Subject: [PATCH 1/2] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20in?=
 =?UTF-8?q?itial=20version?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Created using spr 1.3.4
---
 llvm/test/Instrumentation/HWAddressSanitizer/globals.ll | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/llvm/test/Instrumentation/HWAddressSanitizer/globals.ll b/llvm/test/Instrumentation/HWAddressSanitizer/globals.ll
index 4e22f5fec0067..719c2e51258af 100644
--- a/llvm/test/Instrumentation/HWAddressSanitizer/globals.ll
+++ b/llvm/test/Instrumentation/HWAddressSanitizer/globals.ll
@@ -4,7 +4,7 @@
 ; CHECK29: @four = global
 
 ; CHECK: @specialcaselisted = global i16 2, no_sanitize_hwaddress
-
+; CHECK: @insection = global i16 2, section "custom"
 ; CHECK: @__start_hwasan_globals = external hidden constant [0 x i8]
 ; CHECK: @__stop_hwasan_globals = external hidden constant [0 x i8]
 
@@ -22,6 +22,8 @@
 ; CHECK30: @huge.hwasan.descriptor = private constant { i32, i32 } { i32 trunc (i64 sub (i64 ptrtoint (ptr @huge.hwasan to i64), i64 ptrtoint (ptr @huge.hwasan.descriptor to i64)) to i32), i32 -1358954512 }, section "hwasan_globals", !associated [[HUGE:![0-9]+]]
 ; CHECK30: @huge.hwasan.descriptor.1 = private constant { i32, i32 } { i32 trunc (i64 add (i64 sub (i64 ptrtoint (ptr @huge.hwasan to i64), i64 ptrtoint (ptr @huge.hwasan.descriptor.1 to i64)), i64 16777200) to i32), i32 -1375731680 }, section "hwasan_globals", !associated [[HUGE]]
 
+; CHECK30-NOT: @insection.hwasan
+
 ; CHECK30: @four = alias i32, inttoptr (i64 add (i64 ptrtoint (ptr @four.hwasan to i64), i64 -6052837899185946624) to ptr)
 ; CHECK30: @sixteen = alias [16 x i8], inttoptr (i64 add (i64 ptrtoint (ptr @sixteen.hwasan to i64), i64 -5980780305148018688) to ptr)
 ; CHECK30: @huge = alias [16777232 x i8], inttoptr (i64 add (i64 ptrtoint (ptr @huge.hwasan to i64), i64 -5908722711110090752) to ptr)
@@ -37,3 +39,4 @@ source_filename = "foo"
 @sixteen = global [16 x i8] zeroinitializer
 @huge = global [16777232 x i8] zeroinitializer
 @specialcaselisted = global i16 2, no_sanitize_hwaddress
+ at insection = global i16 2, section "custom"

>From 6bbef368deb05b3a564e5706736a51eea27b2f11 Mon Sep 17 00:00:00 2001
From: Florian Mayer <fmayer at google.com>
Date: Fri, 18 Jul 2025 18:21:36 -0700
Subject: [PATCH 2/2] simplify

Created using spr 1.3.4
---
 llvm/test/Instrumentation/HWAddressSanitizer/globals.ll | 2 --
 1 file changed, 2 deletions(-)

diff --git a/llvm/test/Instrumentation/HWAddressSanitizer/globals.ll b/llvm/test/Instrumentation/HWAddressSanitizer/globals.ll
index 719c2e51258af..f5ae1c0f80497 100644
--- a/llvm/test/Instrumentation/HWAddressSanitizer/globals.ll
+++ b/llvm/test/Instrumentation/HWAddressSanitizer/globals.ll
@@ -22,8 +22,6 @@
 ; CHECK30: @huge.hwasan.descriptor = private constant { i32, i32 } { i32 trunc (i64 sub (i64 ptrtoint (ptr @huge.hwasan to i64), i64 ptrtoint (ptr @huge.hwasan.descriptor to i64)) to i32), i32 -1358954512 }, section "hwasan_globals", !associated [[HUGE:![0-9]+]]
 ; CHECK30: @huge.hwasan.descriptor.1 = private constant { i32, i32 } { i32 trunc (i64 add (i64 sub (i64 ptrtoint (ptr @huge.hwasan to i64), i64 ptrtoint (ptr @huge.hwasan.descriptor.1 to i64)), i64 16777200) to i32), i32 -1375731680 }, section "hwasan_globals", !associated [[HUGE]]
 
-; CHECK30-NOT: @insection.hwasan
-
 ; CHECK30: @four = alias i32, inttoptr (i64 add (i64 ptrtoint (ptr @four.hwasan to i64), i64 -6052837899185946624) to ptr)
 ; CHECK30: @sixteen = alias [16 x i8], inttoptr (i64 add (i64 ptrtoint (ptr @sixteen.hwasan to i64), i64 -5980780305148018688) to ptr)
 ; CHECK30: @huge = alias [16777232 x i8], inttoptr (i64 add (i64 ptrtoint (ptr @huge.hwasan to i64), i64 -5908722711110090752) to ptr)