1 files changed, 14 insertions, 3 deletions
diff --git a/llvm/test/tools/llvm-profdata/text-format-errors.test b/llvm/test/tools/llvm-profdata/text-format-errors.test
index 01513e4fcb9..113b10ee4e8 100644
--- a/llvm/test/tools/llvm-profdata/text-format-errors.test
+++ b/llvm/test/tools/llvm-profdata/text-format-errors.test
@@ -1,10 +1,21 @@
+Tests for instrumentation profile bad encoding.
+
+1- Detect invalid count
 RUN: not llvm-profdata show %p/Inputs/invalid-count-later.proftext 2>&1 | FileCheck %s --check-prefix=INVALID-COUNT-LATER
 RUN: not llvm-profdata merge %p/Inputs/invalid-count-later.proftext %p/Inputs/invalid-count-later.profdata -o %t.out 2>&1 | FileCheck %s --check-prefix=INVALID-COUNT-LATER
-INVALID-COUNT-LATER: error: {{.*}}invalid-count-later.proftext: Malformed profile data
+INVALID-COUNT-LATER: error: {{.*}}invalid-count-later.proftext: Malformed instrumentation profile data
 
+2- Detect bad hash
 RUN: not llvm-profdata show %p/Inputs/bad-hash.proftext 2>&1 | FileCheck %s --check-prefix=BAD-HASH
 RUN: not llvm-profdata merge %p/Inputs/bad-hash.proftext %p/Inputs/bad-hash.proftext -o %t.out 2>&1 | FileCheck %s --check-prefix=BAD-HASH
-BAD-HASH: error: {{.*}}bad-hash.proftext: Malformed profile data
+BAD-HASH: error: {{.*}}bad-hash.proftext: Malformed instrumentation profile data
 
+3- Detect no counts
 RUN: not llvm-profdata show %p/Inputs/no-counts.proftext 2>&1 | FileCheck %s --check-prefix=NO-COUNTS
-NO-COUNTS: error: {{.*}}no-counts.proftext: Malformed profile data
+NO-COUNTS: error: {{.*}}no-counts.proftext: Malformed instrumentation profile data
+
+4- Detect binary input
+RUN: echo -n $'\xff\xe5\xd0\xb1\xf4\c9\x94\xa8' > %t.bin
+RUN: not llvm-profdata show %t.bin 2>&1 | FileCheck %s --check-prefix=BINARY
+BINARY: error: {{.+}}: Unrecognized instrumentation profile encoding format
+BINARY: Perhaps you forgot to use the -sample option?