[dfsan] Disable testing origin tracking on non x86_64 arch

Fix test cases related to https://reviews.llvm.org/D95835.

compiler-rt/test/dfsan/origin_add_label.c

@@ -1,10 +1,12 @@
 // RUN: %clang_dfsan -gmlt -mllvm -dfsan-track-origins=1 -mllvm -dfsan-fast-16-labels=true %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK < %t.out
-
+//
 // RUN: %clang_dfsan -gmlt -mllvm -dfsan-track-origins=1 -mllvm -dfsan-fast-16-labels=true -mllvm -dfsan-instrument-with-call-threshold=0 %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK < %t.out
+//
+// REQUIRES: x86_64-target-arch
 
 #include <sanitizer/dfsan_interface.h>
 

compiler-rt/test/dfsan/origin_branch.c

@@ -1,6 +1,8 @@
 // RUN: %clang_dfsan -gmlt -mllvm -dfsan-track-origins=1 -mllvm -dfsan-fast-16-labels=true %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK < %t.out
+//
+// REQUIRES: x86_64-target-arch
 
 #include <sanitizer/dfsan_interface.h>
 

compiler-rt/test/dfsan/origin_disabled.c

@@ -1,6 +1,8 @@
 // RUN: %clang_dfsan -gmlt -mllvm -dfsan-fast-16-labels=true %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK < %t.out
+//
+// REQUIRES: x86_64-target-arch
 
 #include <sanitizer/dfsan_interface.h>
 

compiler-rt/test/dfsan/origin_invalid.c

@@ -1,6 +1,8 @@
 // RUN: %clang_dfsan -gmlt -mllvm -dfsan-fast-16-labels=true -mllvm -dfsan-track-origins=1 %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK < %t.out
+// 
+// REQUIRES: x86_64-target-arch
 
 #include <sanitizer/dfsan_interface.h>
 

compiler-rt/test/dfsan/origin_ld_lost.c

@@ -2,6 +2,8 @@
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK < %t.out
 //
+// REQUIRES: x86_64-target-arch
+//
 // Test origin tracking can lost origins at 2-byte load with addr % 4 == 3.
 
 #include <sanitizer/dfsan_interface.h>

compiler-rt/test/dfsan/origin_ldst.c

@@ -22,6 +22,8 @@
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK < %t.out
 //
+// REQUIRES: x86_64-target-arch
+//
 // Test origin tracking is accurate in terms of partial store/load, and
 // different aligments. Do not test alignments that are not power of 2.
 // Compilers do not always allow this.

compiler-rt/test/dfsan/origin_limit.c

@@ -8,6 +8,8 @@
 //
 // RUN: DFSAN_OPTIONS=origin_history_size=0 %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK0 < %t.out
+//
+// REQUIRES: x86_64-target-arch
 
 #include <sanitizer/dfsan_interface.h>
 

compiler-rt/test/dfsan/origin_memcpy.c

@@ -1,10 +1,12 @@
 // RUN: %clang_dfsan -gmlt -DOFFSET=0 -mllvm -dfsan-track-origins=1 -mllvm -dfsan-fast-16-labels=true %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK0 < %t.out
-
+// 
 // RUN: %clang_dfsan -gmlt -DOFFSET=10 -mllvm -dfsan-track-origins=1 -mllvm -dfsan-fast-16-labels=true %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK10 < %t.out
+//
+// REQUIRES: x86_64-target-arch
 
 #include <sanitizer/dfsan_interface.h>
 

compiler-rt/test/dfsan/origin_memmove.c

@@ -1,10 +1,12 @@
 // RUN: %clang_dfsan -gmlt -DOFFSET=0 -mllvm -dfsan-track-origins=1 -mllvm -dfsan-fast-16-labels=true %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK0 < %t.out
-
+//
 // RUN: %clang_dfsan -gmlt -DOFFSET=10 -mllvm -dfsan-track-origins=1 -mllvm -dfsan-fast-16-labels=true %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK10 < %t.out
+//
+// REQUIRES: x86_64-target-arch
 
 #include <sanitizer/dfsan_interface.h>
 

compiler-rt/test/dfsan/origin_memset.c

@@ -1,10 +1,12 @@
 // RUN: %clang_dfsan -gmlt -DOFFSET=0 -mllvm -dfsan-track-origins=1 -mllvm -dfsan-fast-16-labels=true %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK0 < %t.out
-
+// 
 // RUN: %clang_dfsan -gmlt -DOFFSET=10 -mllvm -dfsan-track-origins=1 -mllvm -dfsan-fast-16-labels=true %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK10 < %t.out
+//
+// REQUIRES: x86_64-target-arch
 
 #include <sanitizer/dfsan_interface.h>
 

compiler-rt/test/dfsan/origin_overlapped.c

@@ -1,6 +1,8 @@
 // RUN: %clang_dfsan -gmlt -mllvm -dfsan-track-origins=1 -mllvm -dfsan-fast-16-labels=true %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK < %t.out
+//
+// REQUIRES: x86_64-target-arch
 
 #include <sanitizer/dfsan_interface.h>
 

compiler-rt/test/dfsan/origin_set_label.c

@@ -1,10 +1,12 @@
 // RUN: %clang_dfsan -gmlt -mllvm -dfsan-track-origins=1 -mllvm -dfsan-fast-16-labels=true %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK < %t.out
-
+// 
 // RUN: %clang_dfsan -gmlt -mllvm -dfsan-track-origins=1 -mllvm -dfsan-fast-16-labels=true -mllvm -dfsan-instrument-with-call-threshold=0 %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK < %t.out
+//
+// REQUIRES: x86_64-target-arch
 
 #include <sanitizer/dfsan_interface.h>
 

compiler-rt/test/dfsan/origin_unaligned_memtrans.c

@@ -1,10 +1,12 @@
 // RUN: %clang_dfsan -gmlt -DOFFSET=0 -mllvm -dfsan-track-origins=1 -mllvm -dfsan-fast-16-labels=true %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK0 < %t.out
-
+// 
 // RUN: %clang_dfsan -gmlt -DOFFSET=10 -mllvm -dfsan-track-origins=1 -mllvm -dfsan-fast-16-labels=true %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK10 < %t.out
+//
+// REQUIRES: x86_64-target-arch
 
 #include <sanitizer/dfsan_interface.h>
 

compiler-rt/test/dfsan/origin_untainted.c

@@ -1,6 +1,8 @@
 // RUN: %clang_dfsan -gmlt -mllvm -dfsan-fast-16-labels=true -mllvm -dfsan-track-origins=1 %s -o %t && \
 // RUN:     %run %t >%t.out 2>&1
 // RUN: FileCheck %s --check-prefix=CHECK < %t.out
+//
+// REQUIRES: x86_64-target-arch
 
 #include <sanitizer/dfsan_interface.h>