diff --git a/float_models/iree_exec/mnist_test.run b/float_models/iree_exec/mnist_test.run
index a7eb7cf..afe31ce 100644
--- a/float_models/iree_exec/mnist_test.run
+++ b/float_models/iree_exec/mnist_test.run
@@ -1,5 +1,6 @@
-// RUN: ${TEST_RUNNER_CMD} %S/mnist_emitc_static 2>&1 | tee %t
-// RUN: cat %t | FileCheck %S/mnist_test.filecheck
-
 // RUN: ${TEST_RUNNER_CMD} %S/mnist_bytecode_static 2>&1 | tee %t
 // RUN: cat %t | FileCheck %S/mnist_test.filecheck
+
+// RUN: ${TEST_RUNNER_CMD} %S/mnist_emitc_static 2>&1 | tee %t
+// RUN: cat %t | FileCheck %S/mnist_test.filecheck
+// XFAIL: *
diff --git a/float_models/iree_exec/mobilenet_v1_test.run b/float_models/iree_exec/mobilenet_v1_test.run
index aef0281..e655bf2 100644
--- a/float_models/iree_exec/mobilenet_v1_test.run
+++ b/float_models/iree_exec/mobilenet_v1_test.run
@@ -1,5 +1,6 @@
-// RUN: ${TEST_RUNNER_CMD} %S/mobilenet_v1_emitc_static 2>&1 | tee %t
-// RUN: cat %t | FileCheck %S/mobilenet_v1_test.filecheck
-
 // RUN: ${TEST_RUNNER_CMD} %S/mobilenet_v1_bytecode_static 2>&1 | tee %t
 // RUN: cat %t | FileCheck %S/mobilenet_v1_test.filecheck
+
+// RUN: ${TEST_RUNNER_CMD} %S/mobilenet_v1_emitc_static 2>&1 | tee %t
+// RUN: cat %t | FileCheck %S/mobilenet_v1_test.filecheck
+// XFAIL: *
diff --git a/quant_models/iree_exec/mobilenet_v1_test.run b/quant_models/iree_exec/mobilenet_v1_test.run
index aef0281..e655bf2 100644
--- a/quant_models/iree_exec/mobilenet_v1_test.run
+++ b/quant_models/iree_exec/mobilenet_v1_test.run
@@ -1,5 +1,6 @@
-// RUN: ${TEST_RUNNER_CMD} %S/mobilenet_v1_emitc_static 2>&1 | tee %t
-// RUN: cat %t | FileCheck %S/mobilenet_v1_test.filecheck
-
 // RUN: ${TEST_RUNNER_CMD} %S/mobilenet_v1_bytecode_static 2>&1 | tee %t
 // RUN: cat %t | FileCheck %S/mobilenet_v1_test.filecheck
+
+// RUN: ${TEST_RUNNER_CMD} %S/mobilenet_v1_emitc_static 2>&1 | tee %t
+// RUN: cat %t | FileCheck %S/mobilenet_v1_test.filecheck
+// XFAIL: *
diff --git a/quant_models/iree_exec/mobilenet_v2_test.run b/quant_models/iree_exec/mobilenet_v2_test.run
index 1259a3d..f394158 100644
--- a/quant_models/iree_exec/mobilenet_v2_test.run
+++ b/quant_models/iree_exec/mobilenet_v2_test.run
@@ -1,5 +1,6 @@
-// RUN: ${TEST_RUNNER_CMD} %S/mobilenet_v2_emitc_static 2>&1 | tee %t
-// RUN: cat %t | FileCheck %S/mobilenet_v2_test.filecheck
-
 // RUN: ${TEST_RUNNER_CMD} %S/mobilenet_v2_bytecode_static 2>&1 | tee %t
 // RUN: cat %t | FileCheck %S/mobilenet_v2_test.filecheck
+
+// RUN: ${TEST_RUNNER_CMD} %S/mobilenet_v2_emitc_static 2>&1 | tee %t
+// RUN: cat %t | FileCheck %S/mobilenet_v2_test.filecheck
+// XFAIL: *
diff --git a/quant_models/iree_exec/person_detection_test.run b/quant_models/iree_exec/person_detection_test.run
index 7c95b7b..07d44fb 100644
--- a/quant_models/iree_exec/person_detection_test.run
+++ b/quant_models/iree_exec/person_detection_test.run
@@ -1,5 +1,6 @@
-// RUN: ${TEST_RUNNER_CMD} %S/person_detection_emitc_static 2>&1 | tee %t
-// RUN: cat %t | FileCheck %S/person_detection_test.filecheck
-
 // RUN: ${TEST_RUNNER_CMD} %S/person_detection_bytecode_static 2>&1 | tee %t
 // RUN: cat %t | FileCheck %S/person_detection_test.filecheck
+
+// RUN: ${TEST_RUNNER_CMD} %S/person_detection_emitc_static 2>&1 | tee %t
+// RUN: cat %t | FileCheck %S/person_detection_test.filecheck
+// XFAIL: *