Author: Vy Nguyen
Date: 2025-09-16T13:34:35-04:00
New Revision: b8efe1c64746e832bc3313ec2f6a23f09f2d2dd9

URL: 
https://github.com/llvm/llvm-project/commit/b8efe1c64746e832bc3313ec2f6a23f09f2d2dd9
DIFF: 
https://github.com/llvm/llvm-project/commit/b8efe1c64746e832bc3313ec2f6a23f09f2d2dd9.diff

LOG: [clang][nfc] Fix tests to avoid writing output to unreachable location 
(#159138)

Note: this was originally done in (#158698) but was reverted in the
pr/158844 (which re-applied the original rev)

Added: 
    

Modified: 
    clang/test/Driver/clang_f_opts.c

Removed: 
    


################################################################################
diff  --git a/clang/test/Driver/clang_f_opts.c 
b/clang/test/Driver/clang_f_opts.c
index eb3994ddabcd3..7681ae73dfeb0 100644
--- a/clang/test/Driver/clang_f_opts.c
+++ b/clang/test/Driver/clang_f_opts.c
@@ -52,11 +52,11 @@
 // CHECK-INTERCHANGE-LOOPS: "-floop-interchange"
 // CHECK-NO-INTERCHANGE-LOOPS: "-fno-loop-interchange"
 
-// RUN: %clang -### -S -fexperimental-loop-fusion %s 2>&1 | FileCheck 
-check-prefix=CHECK-FUSE-LOOPS %s
+// RUN: %clang -### -S -fexperimental-loop-fusion %s -o /dev/null 2>&1 | 
FileCheck -check-prefix=CHECK-FUSE-LOOPS %s
 // CHECK-FUSE-LOOPS: "-fexperimental-loop-fusion"
 //
-// RUN: %clang -c -fexperimental-loop-fusion -mllvm -print-pipeline-passes -O3 
%s 2>&1 | FileCheck --check-prefixes=LOOP-FUSION-ON %s
-// RUN: %clang -c -mllvm -print-pipeline-passes -O3 %s 2>&1 | FileCheck 
--check-prefixes=LOOP-FUSION-OFF %s
+// RUN: %clang -c -fexperimental-loop-fusion -mllvm -print-pipeline-passes -O3 
%s -o /dev/null 2>&1 | FileCheck --check-prefixes=LOOP-FUSION-ON %s
+// RUN: %clang -c -mllvm -print-pipeline-passes -O3 %s -o /dev/null 2>&1 | 
FileCheck --check-prefixes=LOOP-FUSION-OFF %s
 
 // LOOP-FUSION-ON: loop-fusion
 // LOOP-FUSION-OFF-NOT: loop-fusion


        
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