Author: Mircea Trofin
Date: 2021-01-28T09:47:21-08:00
New Revision: cfcc1110d7733ad6c275eefd1773d243a719f9f3

URL: 
https://github.com/llvm/llvm-project/commit/cfcc1110d7733ad6c275eefd1773d243a719f9f3
DIFF: 
https://github.com/llvm/llvm-project/commit/cfcc1110d7733ad6c275eefd1773d243a719f9f3.diff

LOG: [NFC] Disallow unused prefixes under clang/test/CodeGenCXX

The only test that needed change had 'QUAL' as an unused prefix. The
rest of the changes are to simplify the prefix lists.

Differential Revision: https://reviews.llvm.org/D95499

Added: 
    clang/test/CodeGenCXX/lit.local.cfg

Modified: 
    clang/test/CodeGenCXX/debug-info-codeview-display-name.cpp

Removed: 
    


################################################################################
diff  --git a/clang/test/CodeGenCXX/debug-info-codeview-display-name.cpp 
b/clang/test/CodeGenCXX/debug-info-codeview-display-name.cpp
index 935fded5e67c..4f85effdc700 100644
--- a/clang/test/CodeGenCXX/debug-info-codeview-display-name.cpp
+++ b/clang/test/CodeGenCXX/debug-info-codeview-display-name.cpp
@@ -1,19 +1,19 @@
 // RUN: %clang_cc1 -fblocks -debug-info-kind=limited -gcodeview -emit-llvm %s \
 // RUN:       -o - -triple=x86_64-pc-win32 -Wno-new-returns-null -std=c++98 | \
 // RUN:    grep -E 'DISubprogram|DICompositeType' | sed -e 's/.*name: 
"\([^"]*\)".*/"\1"/' | \
-// RUN:    FileCheck %s --check-prefix=CHECK --check-prefix=UNQUAL
+// RUN:    FileCheck %s --check-prefixes=CHECK,UNQUAL
 // RUN: %clang_cc1 -fblocks -debug-info-kind=line-tables-only -gcodeview 
-emit-llvm %s \
 // RUN:       -o - -triple=x86_64-pc-win32 -Wno-new-returns-null -std=c++98 | \
 // RUN:    grep 'DISubprogram' | sed -e 's/.*name: "\([^"]*\)".*/"\1"/' | \
-// RUN:    FileCheck %s --check-prefix=CHECK --check-prefix=QUAL
+// RUN:    FileCheck %s
 // RUN: %clang_cc1 -fblocks -debug-info-kind=limited -gcodeview -emit-llvm %s \
 // RUN:       -o - -triple=x86_64-pc-win32 -Wno-new-returns-null -std=c++11 | \
 // RUN:    grep -E 'DISubprogram|DICompositeType' | sed -e 's/.*name: 
"\([^"]*\)".*/"\1"/' | \
-// RUN:    FileCheck %s --check-prefix=CHECK --check-prefix=UNQUAL
+// RUN:    FileCheck %s --check-prefixes=CHECK,UNQUAL
 // RUN: %clang_cc1 -fblocks -debug-info-kind=limited -gcodeview -emit-llvm %s \
 // RUN:       -o - -triple=x86_64-pc-win32 -Wno-new-returns-null | \
 // RUN:    grep -E 'DISubprogram|DICompositeType' | sed -e 's/.*name: 
"\([^"]*\)".*/"\1"/' | \
-// RUN:    FileCheck %s --check-prefix=CHECK --check-prefix=UNQUAL
+// RUN:    FileCheck %s --check-prefixes=CHECK,UNQUAL
 
 void freefunc() { }
 // CHECK-DAG: "freefunc"

diff  --git a/clang/test/CodeGenCXX/lit.local.cfg 
b/clang/test/CodeGenCXX/lit.local.cfg
new file mode 100644
index 000000000000..c5bb8b60a52a
--- /dev/null
+++ b/clang/test/CodeGenCXX/lit.local.cfg
@@ -0,0 +1,9 @@
+# -*- Python -*- vim: set ft=python ts=4 sw=4 expandtab tw=79:
+from lit.llvm.subst import ToolSubst
+
+fc = ToolSubst('FileCheck', unresolved='fatal')
+# Insert this first. Then, we'll first update the blank FileCheck command; 
then,
+# the default substitution of FileCheck will replace it to its full path.
+config.substitutions.insert(0, (fc.regex,
+    'FileCheck --allow-unused-prefixes=false'))
+


        
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