diff --git a/llvm/test/tools/llvm-profdata/binary-ids-padding.test b/llvm/test/tools/llvm-profdata/binary-ids-padding.test
index 61881b69cfd5c..292c582b45c52 100644
--- a/llvm/test/tools/llvm-profdata/binary-ids-padding.test
+++ b/llvm/test/tools/llvm-profdata/binary-ids-padding.test
@@ -14,6 +14,9 @@
 // INSTR_PROF_RAW_HEADER(uint64_t, NumVTables, NumVTables)
 // INSTR_PROF_RAW_HEADER(uint64_t, ValueKindLast, IPVK_Last)
 
+// gnuwin32 printf does not work for this test because it will print \15 (CR)
+// whenever \12 (LF) is in the input string.
+UNSUPPORTED: system-windows
 RUN: printf '\201rforpl\377' > %t.profraw
 RUN: printf '\12\0\0\0\0\0\0\0' >> %t.profraw
 // There will be 2 20-byte binary IDs, so the total Binary IDs size will be 64 bytes.
diff --git a/llvm/test/tools/llvm-profdata/large-binary-id-size.test b/llvm/test/tools/llvm-profdata/large-binary-id-size.test
index 316a9a4c9df4c..b62bdad4ddb21 100644
--- a/llvm/test/tools/llvm-profdata/large-binary-id-size.test
+++ b/llvm/test/tools/llvm-profdata/large-binary-id-size.test
@@ -1,3 +1,6 @@
+// gnuwin32 printf does not work for this test because it will print \15 (CR)
+// whenever \12 (LF) is in the input string.
+UNSUPPORTED: system-windows
 RUN: printf '\201rforpl\377' > %t.profraw
 RUN: printf '\12\0\0\0\0\0\0\0' >> %t.profraw
 RUN: printf '\40\0\0\0\0\0\0\0' >> %t.profraw
diff --git a/llvm/test/tools/llvm-profdata/malformed-not-space-for-another-header.test b/llvm/test/tools/llvm-profdata/malformed-not-space-for-another-header.test
index 8b686d5c50cb7..705e5efaf5875 100644
--- a/llvm/test/tools/llvm-profdata/malformed-not-space-for-another-header.test
+++ b/llvm/test/tools/llvm-profdata/malformed-not-space-for-another-header.test
@@ -14,6 +14,9 @@
 // INSTR_PROF_RAW_HEADER(uint64_t, NumVTables, NumVTables)
 // INSTR_PROF_RAW_HEADER(uint64_t, ValueKindLast, IPVK_Last)
 
+// gnuwin32 printf does not work for this test because it will print \15 (CR)
+// whenever \12 (LF) is in the input string.
+UNSUPPORTED: system-windows
 RUN: printf '\201rforpl\377' > %t.profraw
 RUN: printf '\12\0\0\0\0\0\0\0' >> %t.profraw
 RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
diff --git a/llvm/test/tools/llvm-profdata/malformed-num-counters-zero.test b/llvm/test/tools/llvm-profdata/malformed-num-counters-zero.test
index 089afad420622..157c13b926a7e 100644
--- a/llvm/test/tools/llvm-profdata/malformed-num-counters-zero.test
+++ b/llvm/test/tools/llvm-profdata/malformed-num-counters-zero.test
@@ -14,6 +14,9 @@
 // INSTR_PROF_RAW_HEADER(uint64_t, NumVTables, NumVTables)
 // INSTR_PROF_RAW_HEADER(uint64_t, ValueKindLast, IPVK_Last)
 
+// gnuwin32 printf does not work for this test because it will print \15 (CR)
+// whenever \12 (LF) is in the input string.
+UNSUPPORTED: system-windows
 RUN: printf '\201rforpl\377' > %t.profraw
 RUN: printf '\12\0\0\0\0\0\0\0' >> %t.profraw
 RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
diff --git a/llvm/test/tools/llvm-profdata/malformed-ptr-to-counter-array.test b/llvm/test/tools/llvm-profdata/malformed-ptr-to-counter-array.test
index e404ba4210cc1..83cf76f68fb63 100644
--- a/llvm/test/tools/llvm-profdata/malformed-ptr-to-counter-array.test
+++ b/llvm/test/tools/llvm-profdata/malformed-ptr-to-counter-array.test
@@ -14,6 +14,9 @@
 // INSTR_PROF_RAW_HEADER(uint64_t, NumVTables, NumVTables)
 // INSTR_PROF_RAW_HEADER(uint64_t, ValueKindLast, IPVK_Last)
 
+// gnuwin32 printf does not work for this test because it will print \15 (CR)
+// whenever \12 (LF) is in the input string.
+UNSUPPORTED: system-windows
 RUN: printf '\201rforpl\377' > %t.profraw
 RUN: printf '\12\0\0\0\0\0\0\0' >> %t.profraw
 RUN: printf '\0\0\0\0\0\0\0\0' >> %t.profraw
diff --git a/llvm/test/tools/llvm-profdata/misaligned-binary-ids-size.test b/llvm/test/tools/llvm-profdata/misaligned-binary-ids-size.test
index ee54bfb978567..0f20a1b0b369c 100644
--- a/llvm/test/tools/llvm-profdata/misaligned-binary-ids-size.test
+++ b/llvm/test/tools/llvm-profdata/misaligned-binary-ids-size.test
@@ -1,3 +1,6 @@
+// gnuwin32 printf does not work for this test because it will print \15 (CR)
+// whenever \12 (LF) is in the input string.
+UNSUPPORTED: system-windows
 RUN: printf '\201rforpl\377' > %t.profraw
 RUN: printf '\12\0\0\0\0\0\0\0' >> %t.profraw
 // We should fail on this because the binary IDs is not a multiple of 8 bytes.
diff --git a/llvm/test/tools/llvm-profdata/raw-32-bits-be.test b/llvm/test/tools/llvm-profdata/raw-32-bits-be.test
index 63782c8b94d4a..fbd73ae30a5b3 100644
--- a/llvm/test/tools/llvm-profdata/raw-32-bits-be.test
+++ b/llvm/test/tools/llvm-profdata/raw-32-bits-be.test
@@ -1,3 +1,6 @@
+// gnuwin32 printf does not work for this test because it will print \15 (CR)
+// whenever \12 (LF) is in the input string.
+UNSUPPORTED: system-windows
 // Header
 RUN: printf '\377lprofR\201' > %t
 RUN: printf '\0\0\0\0\0\0\0\12' >> %t
diff --git a/llvm/test/tools/llvm-profdata/raw-32-bits-le.test b/llvm/test/tools/llvm-profdata/raw-32-bits-le.test
index e9569bec1178b..91f10fc874586 100644
--- a/llvm/test/tools/llvm-profdata/raw-32-bits-le.test
+++ b/llvm/test/tools/llvm-profdata/raw-32-bits-le.test
@@ -1,3 +1,6 @@
+// gnuwin32 printf does not work for this test because it will print \15 (CR)
+// whenever \12 (LF) is in the input string.
+UNSUPPORTED: system-windows
 RUN: printf '\201Rforpl\377' > %t
 RUN: printf '\12\0\0\0\0\0\0\0' >> %t
 RUN: printf '\0\0\0\0\0\0\0\0' >> %t
diff --git a/llvm/test/tools/llvm-profdata/raw-64-bits-be.test b/llvm/test/tools/llvm-profdata/raw-64-bits-be.test
index 0bc579eec58ab..e7694a1b5a73b 100644
--- a/llvm/test/tools/llvm-profdata/raw-64-bits-be.test
+++ b/llvm/test/tools/llvm-profdata/raw-64-bits-be.test
@@ -1,3 +1,6 @@
+// gnuwin32 printf does not work for this test because it will print \15 (CR)
+// whenever \12 (LF) is in the input string.
+UNSUPPORTED: system-windows
 RUN: printf '\377lprofr\201' > %t
 RUN: printf '\0\0\0\0\0\0\0\12' >> %t
 RUN: printf '\0\0\0\0\0\0\0\0' >> %t
diff --git a/llvm/test/tools/llvm-profdata/raw-64-bits-le.test b/llvm/test/tools/llvm-profdata/raw-64-bits-le.test
index ca9ea54c3f014..99d486b8a5176 100644
--- a/llvm/test/tools/llvm-profdata/raw-64-bits-le.test
+++ b/llvm/test/tools/llvm-profdata/raw-64-bits-le.test
@@ -1,3 +1,6 @@
+// gnuwin32 printf does not work for this test because it will print \15 (CR)
+// whenever \12 (LF) is in the input string.
+UNSUPPORTED: system-windows
 RUN: printf '\201rforpl\377' > %t
 RUN: printf '\12\0\0\0\0\0\0\0' >> %t
 RUN: printf '\0\0\0\0\0\0\0\0' >> %t
diff --git a/llvm/test/tools/llvm-profdata/raw-two-profiles.test b/llvm/test/tools/llvm-profdata/raw-two-profiles.test
index 70a4210dea9f8..47cc6fa4fd7fe 100644
--- a/llvm/test/tools/llvm-profdata/raw-two-profiles.test
+++ b/llvm/test/tools/llvm-profdata/raw-two-profiles.test
@@ -1,3 +1,6 @@
+// gnuwin32 printf does not work for this test because it will print \15 (CR)
+// whenever \12 (LF) is in the input string.
+UNSUPPORTED: system-windows
 RUN: printf '\201rforpl\377' > %t-foo.profraw
 RUN: printf '\12\0\0\0\0\0\0\0' >> %t-foo.profraw
 RUN: printf '\0\0\0\0\0\0\0\0' >> %t-foo.profraw