https://github.com/perry-ca created 
https://github.com/llvm/llvm-project/pull/192132

z/OS has a table of mapped names in the IR.  Counting the hits for just the 
name leads to one more hit than expected.  Search for the name with the @ char 
to make sure the right occurrences are being counted.

>From edcadb7ad9ff43702285720718b62123bcafc2c9 Mon Sep 17 00:00:00 2001
From: Sean Perry <[email protected]>
Date: Tue, 14 Apr 2026 16:46:44 -0400
Subject: [PATCH] Search for @_thisIsNotAPipe vs _thisIsNotAPipe

---
 clang/test/CodeGen/2008-07-31-asm-labels.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/clang/test/CodeGen/2008-07-31-asm-labels.c 
b/clang/test/CodeGen/2008-07-31-asm-labels.c
index 71be9378233d4..84c7f447fc599 100644
--- a/clang/test/CodeGen/2008-07-31-asm-labels.c
+++ b/clang/test/CodeGen/2008-07-31-asm-labels.c
@@ -1,11 +1,11 @@
 // RUN: %clang_cc1 -emit-llvm -o %t %s
 // RUN: not grep "@pipe()" %t
-// RUN: grep '_thisIsNotAPipe' %t | count 3
+// RUN: grep '@_thisIsNotAPipe' %t | count 3
 // RUN: not grep '@g0' %t
-// RUN: grep '_renamed' %t | count 2
+// RUN: grep '@_renamed' %t | count 2
 // RUN: %clang_cc1 -DUSE_DEF -emit-llvm -o %t %s
 // RUN: not grep "@pipe()" %t
-// RUN: grep '_thisIsNotAPipe' %t | count 3
+// RUN: grep '@_thisIsNotAPipe' %t | count 3
 // <rdr://6116729>
 
 void pipe() asm("_thisIsNotAPipe");

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