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-rw-r--r--llvm/utils/lit/tests/Inputs/shtest-shell/diff-error-0.txt3
-rw-r--r--llvm/utils/lit/tests/Inputs/shtest-shell/diff-pipes.txt15
2 files changed, 15 insertions, 3 deletions
diff --git a/llvm/utils/lit/tests/Inputs/shtest-shell/diff-error-0.txt b/llvm/utils/lit/tests/Inputs/shtest-shell/diff-error-0.txt
deleted file mode 100644
index 81888cf8197..00000000000
--- a/llvm/utils/lit/tests/Inputs/shtest-shell/diff-error-0.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-# Check error on a unsupported diff (cannot be part of a pipeline).
-#
-# RUN: diff diff-error-0.txt diff-error-0.txt | echo Output
diff --git a/llvm/utils/lit/tests/Inputs/shtest-shell/diff-pipes.txt b/llvm/utils/lit/tests/Inputs/shtest-shell/diff-pipes.txt
new file mode 100644
index 00000000000..ce0abca1661
--- /dev/null
+++ b/llvm/utils/lit/tests/Inputs/shtest-shell/diff-pipes.txt
@@ -0,0 +1,15 @@
+# RUN: echo foo > %t.foo
+# RUN: echo bar > %t.bar
+
+# Check output pipe.
+# RUN: diff %t.foo %t.foo | FileCheck -allow-empty -check-prefix=EMPTY %s
+# RUN: diff -u %t.foo %t.bar | FileCheck %s && false || true
+
+# Fail so lit will print output.
+# RUN: false
+
+# CHECK: @@
+# CHECK-NEXT: -foo
+# CHECK-NEXT: +bar
+
+# EMPTY-NOT: {{.}}
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