diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index 9e4d4d398a21d..9e1e02e04ca7a 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -585,6 +585,11 @@ static void InitializeStandardPredefinedMacros(const TargetInfo &TI,
     Builder.defineMacro("__HIP_MEMORY_SCOPE_WORKGROUP", "3");
     Builder.defineMacro("__HIP_MEMORY_SCOPE_AGENT", "4");
     Builder.defineMacro("__HIP_MEMORY_SCOPE_SYSTEM", "5");
+    if (LangOpts.HIPStdPar) {
+      Builder.defineMacro("__HIPSTDPAR__");
+      if (LangOpts.HIPStdParInterposeAlloc)
+        Builder.defineMacro("__HIPSTDPAR_INTERPOSE_ALLOC__");
+    }
     if (LangOpts.CUDAIsDevice) {
       Builder.defineMacro("__HIP_DEVICE_COMPILE__");
       if (!TI.hasHIPImageSupport()) {
diff --git a/clang/test/Preprocessor/predefined-macros.c b/clang/test/Preprocessor/predefined-macros.c
index d77b699674af4..c4a9672f0814a 100644
--- a/clang/test/Preprocessor/predefined-macros.c
+++ b/clang/test/Preprocessor/predefined-macros.c
@@ -290,3 +290,20 @@
 // RUN:   -fcuda-is-device -fgpu-default-stream=per-thread \
 // RUN:   | FileCheck -match-full-lines %s --check-prefix=CHECK-PTH
 // CHECK-PTH: #define HIP_API_PER_THREAD_DEFAULT_STREAM 1
+
+// RUN: %clang_cc1 %s -E -dM -o - -x hip --hipstdpar -triple x86_64-unknown-linux-gnu \
+// RUN:   | FileCheck -match-full-lines %s --check-prefix=CHECK-HIPSTDPAR
+// CHECK-HIPSTDPAR: #define __HIPSTDPAR__ 1
+// CHECK-HIPSTDPAR-NOT: #define __HIPSTDPAR_INTERPOSE_ALLOC__ 1
+
+// RUN: %clang_cc1 %s -E -dM -o - -x hip --hipstdpar --hipstdpar-interpose-alloc \
+// RUN:  -triple x86_64-unknown-linux-gnu | FileCheck -match-full-lines %s \
+// RUN:  --check-prefix=CHECK-HIPSTDPAR-INTERPOSE
+// CHECK-HIPSTDPAR-INTERPOSE: #define __HIPSTDPAR_INTERPOSE_ALLOC__ 1
+// CHECK-HIPSTDPAR-INTERPOSE: #define __HIPSTDPAR__ 1
+
+// RUN: %clang_cc1 %s -E -dM -o - -x hip --hipstdpar --hipstdpar-interpose-alloc \
+// RUN:  -triple amdgcn-amd-amdhsa -fcuda-is-device | FileCheck -match-full-lines \
+// RUN:  %s --check-prefix=CHECK-HIPSTDPAR-INTERPOSE-DEV-NEG
+// CHECK-HIPSTDPAR-INTERPOSE-DEV-NEG: #define __HIPSTDPAR__ 1
+// CHECK-HIPSTDPAR-INTERPOSE-DEV-NEG-NOT: #define __HIPSTDPAR_INTERPOSE_ALLOC__ 1
\ No newline at end of file