diff --git a/llvm/include/llvm/TargetParser/Triple.h b/llvm/include/llvm/TargetParser/Triple.h
--- a/llvm/include/llvm/TargetParser/Triple.h
+++ b/llvm/include/llvm/TargetParser/Triple.h
@@ -980,7 +980,8 @@
 
   /// Tests whether the target uses emulated TLS as default.
   bool hasDefaultEmulatedTLS() const {
-    return isAndroid() || isOSOpenBSD() || isWindowsCygwinEnvironment();
+    return isAndroid() || isOSOpenBSD() || isWindowsCygwinEnvironment() ||
+           isOHOSFamily();
   }
 
   /// Tests whether the target uses -data-sections as default.
diff --git a/llvm/test/CodeGen/AArch64/emutls_generic.ll b/llvm/test/CodeGen/AArch64/emutls_generic.ll
--- a/llvm/test/CodeGen/AArch64/emutls_generic.ll
+++ b/llvm/test/CodeGen/AArch64/emutls_generic.ll
@@ -8,6 +8,12 @@
 ; RUN:     | FileCheck -check-prefix=ARM_64 %s
 ; RUN: llc < %s -emulated-tls -mtriple=aarch64-apple-darwin -O3 \
 ; RUN:     | FileCheck -check-prefix=DARWIN %s
+; RUN: llc < %s -emulated-tls -mtriple=aarch64-linux-ohos -relocation-model=pic \
+; RUN:     | FileCheck -check-prefix=ARM_64 %s
+; RUN: llc < %s -emulated-tls -mtriple=aarch64-linux-ohos -relocation-model=pic -O3 \
+; RUN:     | FileCheck -check-prefix=ARM_64 %s
+; RUN: llc < %s -emulated-tls -mtriple=aarch64-linux-ohos -O3 \
+; RUN:     | FileCheck -check-prefix=ARM_64 %s
 
 ; RUN: llc < %s -mtriple=aarch64-linux-android -relocation-model=pic \
 ; RUN:     | FileCheck -check-prefix=ARM_64 %s
@@ -18,6 +24,12 @@
 ; aarch64-windows-gnu needs explicit -emulated-tls
 ; RUN: llc < %s -mtriple=aarch64-apple-darwin -O3 \
 ; RUN:     | FileCheck -check-prefix=NoEMU %s
+; RUN: llc < %s -mtriple=aarch64-linux-ohos -relocation-model=pic \
+; RUN:     | FileCheck -check-prefix=ARM_64 %s
+; RUN: llc < %s -mtriple=aarch64-linux-ohos -relocation-model=pic -O3 \
+; RUN:     | FileCheck -check-prefix=ARM_64 %s
+; RUN: llc < %s -mtriple=aarch64-linux-ohos -O3 \
+; RUN:     | FileCheck -check-prefix=ARM_64 %s
 
 ; NoEMU-NOT: __emutls
 
diff --git a/llvm/test/CodeGen/ARM/emutls.ll b/llvm/test/CodeGen/ARM/emutls.ll
--- a/llvm/test/CodeGen/ARM/emutls.ll
+++ b/llvm/test/CodeGen/ARM/emutls.ll
@@ -3,6 +3,13 @@
 ; RUN: llc -mtriple=arm-linux-android \
 ; RUN:     -relocation-model=pic < %s | FileCheck -check-prefix=ARM32 %s
 
+; RUN: llc -emulated-tls -mtriple=arm-linux-ohos \
+; RUN:     -relocation-model=pic < %s | FileCheck -check-prefix=ARM32 %s
+; RUN: llc -mtriple=arm-linux-ohos \
+; RUN:     -relocation-model=pic < %s | FileCheck -check-prefix=ARM32 %s
+; RUN: llc -mtriple=arm-liteos-ohos \
+; RUN:     -relocation-model=pic < %s | FileCheck -check-prefix=ARM32 %s
+
 ; Copied from X86/emutls.ll
 
 ; Use my_emutls_get_address like __emutls_get_address.
diff --git a/llvm/test/CodeGen/RISCV/emutls.ll b/llvm/test/CodeGen/RISCV/emutls.ll
--- a/llvm/test/CodeGen/RISCV/emutls.ll
+++ b/llvm/test/CodeGen/RISCV/emutls.ll
@@ -3,6 +3,10 @@
 ; RUN:     | FileCheck -check-prefix=RV32 %s
 ; RUN: llc -mtriple=riscv64 -emulated-tls -relocation-model=pic < %s \
 ; RUN:     | FileCheck -check-prefix=RV64 %s
+; RUN: llc -mtriple=riscv32-linux-ohos -relocation-model=pic < %s \
+; RUN:     | FileCheck -check-prefix=RV32 %s
+; RUN: llc -mtriple=riscv64-linux-ohos -relocation-model=pic < %s \
+; RUN:     | FileCheck -check-prefix=RV64 %s
 
 @external_x = external thread_local global i32, align 8
 @y = thread_local global i8 7, align 2
diff --git a/llvm/test/CodeGen/X86/emutls-pic.ll b/llvm/test/CodeGen/X86/emutls-pic.ll
--- a/llvm/test/CodeGen/X86/emutls-pic.ll
+++ b/llvm/test/CodeGen/X86/emutls-pic.ll
@@ -2,11 +2,15 @@
 ; RUN: llc < %s -emulated-tls -mtriple=x86_64-linux-gnu -relocation-model=pic | FileCheck -check-prefix=X64 %s
 ; RUN: llc < %s -emulated-tls -mtriple=i386-linux-android -relocation-model=pic | FileCheck -check-prefix=X86 %s
 ; RUN: llc < %s -emulated-tls -mtriple=x86_64-linux-android -relocation-model=pic | FileCheck -check-prefix=X64 %s
+; RUN: llc < %s -emulated-tls -mtriple=i386-linux-ohos -relocation-model=pic | FileCheck -check-prefix=X86 %s
+; RUN: llc < %s -emulated-tls -mtriple=x86_64-linux-ohos -relocation-model=pic | FileCheck -check-prefix=X64 %s
 
 ; RUN: llc < %s -mtriple=i386-linux-gnu -relocation-model=pic | FileCheck -check-prefix=NoEMU %s
 ; RUN: llc < %s -mtriple=x86_64-linux-gnu -relocation-model=pic | FileCheck -check-prefix=NoEMU %s
 ; RUN: llc < %s -mtriple=i386-linux-android -relocation-model=pic | FileCheck -check-prefix=X86 %s
 ; RUN: llc < %s -mtriple=x86_64-linux-android -relocation-model=pic | FileCheck -check-prefix=X64 %s
+; RUN: llc < %s -mtriple=i386-linux-ohos -relocation-model=pic | FileCheck -check-prefix=X86 %s
+; RUN: llc < %s -mtriple=x86_64-linux-ohos -relocation-model=pic | FileCheck -check-prefix=X64 %s
 
 ; NoEMU-NOT: __emutls
 
diff --git a/llvm/test/CodeGen/X86/emutls-pie.ll b/llvm/test/CodeGen/X86/emutls-pie.ll
--- a/llvm/test/CodeGen/X86/emutls-pie.ll
+++ b/llvm/test/CodeGen/X86/emutls-pie.ll
@@ -6,6 +6,10 @@
 ; RUN:   | FileCheck -check-prefix=X86 %s
 ; RUN: llc < %s -emulated-tls -mcpu=generic -mtriple=x86_64-linux-android -relocation-model=pic \
 ; RUN:   | FileCheck -check-prefix=X64 %s
+; RUN: llc < %s -emulated-tls -mcpu=generic -mtriple=i386-linux-ohos -relocation-model=pic \
+; RUN:   | FileCheck -check-prefix=X86 %s
+; RUN: llc < %s -emulated-tls -mcpu=generic -mtriple=x86_64-linux-ohos -relocation-model=pic \
+; RUN:   | FileCheck -check-prefix=X64 %s
 
 ; RUN: llc < %s -mcpu=generic -mtriple=i386-linux-gnu -relocation-model=pic \
 ; RUN:   | FileCheck -check-prefix=NoEMU %s
@@ -15,6 +19,10 @@
 ; RUN:   | FileCheck -check-prefix=X86 %s
 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux-android -relocation-model=pic \
 ; RUN:   | FileCheck -check-prefix=X64 %s
+; RUN: llc < %s -mcpu=generic -mtriple=i386-linux-ohos -relocation-model=pic \
+; RUN:   | FileCheck -check-prefix=X86 %s
+; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux-ohos -relocation-model=pic \
+; RUN:   | FileCheck -check-prefix=X64 %s
 
 ; NoEMU-NOT: __emutls
 
diff --git a/llvm/test/CodeGen/X86/emutls.ll b/llvm/test/CodeGen/X86/emutls.ll
--- a/llvm/test/CodeGen/X86/emutls.ll
+++ b/llvm/test/CodeGen/X86/emutls.ll
@@ -2,11 +2,15 @@
 ; RUN: llc < %s -emulated-tls -mtriple=x86_64-linux-gnu | FileCheck -check-prefix=X64 %s
 ; RUN: llc < %s -emulated-tls -mtriple=i386-linux-android | FileCheck -check-prefix=X86 %s
 ; RUN: llc < %s -emulated-tls -mtriple=x86_64-linux-android | FileCheck -check-prefix=X64 %s
+; RUN: llc < %s -emulated-tls -mtriple=i386-linux-ohos | FileCheck -check-prefix=X86 %s
+; RUN: llc < %s -emulated-tls -mtriple=x86_64-linux-ohos | FileCheck -check-prefix=X64 %s
 
 ; RUN: llc < %s -mtriple=i386-linux-gnu | FileCheck -check-prefix=NoEMU %s
 ; RUN: llc < %s -mtriple=x86_64-linux-gnu | FileCheck -check-prefix=NoEMU %s
 ; RUN: llc < %s -mtriple=i386-linux-android | FileCheck -check-prefix=X86 %s
 ; RUN: llc < %s -mtriple=x86_64-linux-android | FileCheck -check-prefix=X64 %s
+; RUN: llc < %s -mtriple=i386-linux-ohos | FileCheck -check-prefix=X86 %s
+; RUN: llc < %s -mtriple=x86_64-linux-ohos | FileCheck -check-prefix=X64 %s
 
 ; Copied from tls.ll; emulated TLS model is not implemented
 ; for *-pc-win32 and *-pc-windows targets yet.
diff --git a/llvm/test/CodeGen/X86/emutls_generic.ll b/llvm/test/CodeGen/X86/emutls_generic.ll
--- a/llvm/test/CodeGen/X86/emutls_generic.ll
+++ b/llvm/test/CodeGen/X86/emutls_generic.ll
@@ -6,6 +6,12 @@
 ; RUN:     | FileCheck -check-prefix=X86_64 %s
 ; RUN: llc < %s -emulated-tls -mtriple=i386-linux-gnu -relocation-model=pic \
 ; RUN:     | FileCheck %s
+; RUN: llc < %s -emulated-tls -mtriple=i686-linux-ohos -relocation-model=pic \
+; RUN:     | FileCheck -check-prefix=X86_32 %s
+; RUN: llc < %s -emulated-tls -mtriple=i686-linux-ohos -relocation-model=pic \
+; RUN:     | FileCheck -check-prefix=X86_32 %s
+; RUN: llc < %s -emulated-tls -mtriple=x86_64-linux-ohos -relocation-model=pic \
+; RUN:     | FileCheck -check-prefix=X86_64 %s
 
 ; RUN: llc < %s -mtriple=i686-linux-android -relocation-model=pic \
 ; RUN:     | FileCheck -check-prefix=X86_32 %s
@@ -15,6 +21,12 @@
 ; RUN:     | FileCheck -check-prefix=X86_64 %s
 ; RUN: llc < %s -mtriple=i386-linux-gnu -relocation-model=pic \
 ; RUN:     | FileCheck -check-prefix=NoEMU %s
+; RUN: llc < %s -mtriple=i686-linux-ohos -relocation-model=pic \
+; RUN:     | FileCheck -check-prefix=X86_32 %s
+; RUN: llc < %s -mtriple=i686-linux-ohos -relocation-model=pic \
+; RUN:     | FileCheck -check-prefix=X86_32 %s
+; RUN: llc < %s -mtriple=x86_64-linux-ohos -relocation-model=pic \
+; RUN:     | FileCheck -check-prefix=X86_64 %s
 
 ; NoEMU-NOT: __emutls