[gn build] Port 24698e526f

llvm/utils/gn/secondary/llvm/lib/Target/targets.gni

@@ -45,6 +45,7 @@ if (llvm_targets_to_build == "host") {
 # unittest targets).
 llvm_build_AArch64 = false
 llvm_build_ARM = false
+llvm_build_AMDGPU = false
 llvm_build_BPF = false
 llvm_build_Mips = false
 llvm_build_PowerPC = false
@@ -53,6 +54,8 @@ llvm_build_X86 = false
 foreach(target, llvm_targets_to_build) {
   if (target == "AArch64") {
     llvm_build_AArch64 = true
+  } else if (target == "AMDGPU") {
+    llvm_build_AMDGPU = true
   } else if (target == "ARM") {
     llvm_build_ARM = true
   } else if (target == "BPF") {
@@ -65,7 +68,7 @@ foreach(target, llvm_targets_to_build) {
     llvm_build_WebAssembly = true
   } else if (target == "X86") {
     llvm_build_X86 = true
-  } else if (target == "AMDGPU" || target == "AVR" || target == "Hexagon" ||
+  } else if (target == "AVR" || target == "Hexagon" ||
              target == "Lanai" || target == "NVPTX" || target == "RISCV" ||
              target == "Sparc" || target == "SystemZ") {
     # Nothing to do.

llvm/utils/gn/secondary/llvm/unittests/BUILD.gn

@@ -56,6 +56,12 @@ group("unittests") {
       "tools/llvm-exegesis/AArch64:LLVMExegesisAArch64Tests",
     ]
   }
+  if (llvm_build_AMDGPU) {
+    deps += [
+      "MC/AMDGPU:AMDGPUDwarfTests",
+      "Target/AMDGPU:AMDGPUTests",
+    ]
+  }
   if (llvm_build_ARM) {
     deps += [
       "Target/ARM:ARMTests",

llvm/utils/gn/secondary/llvm/unittests/MC/AMDGPU/BUILD.gn

@@ -0,0 +1,14 @@
+import("//llvm/utils/unittest/unittest.gni")
+
+unittest("AMDGPUDwarfTests") {
+  deps = [
+    "//llvm/lib/MC",
+    "//llvm/lib/Support",
+    "//llvm/lib/Target/AMDGPU:LLVMAMDGPUCodeGen",
+    "//llvm/lib/Target/AMDGPU/MCTargetDesc",
+    "//llvm/lib/Target/AMDGPU/TargetInfo",
+  ]
+  sources = [
+    "DwarfRegMappings.cpp",
+  ]
+}

llvm/utils/gn/secondary/llvm/unittests/Target/AMDGPU/BUILD.gn

@@ -0,0 +1,15 @@
+import("//llvm/utils/unittest/unittest.gni")
+
+unittest("AMDGPUTests") {
+  deps = [
+    "//llvm/lib/Support",
+    "//llvm/lib/Target",
+    "//llvm/lib/Target/AMDGPU:LLVMAMDGPUCodeGen",
+    "//llvm/lib/Target/AMDGPU/MCTargetDesc",
+    "//llvm/lib/Target/AMDGPU/TargetInfo",
+  ]
+  sources = [
+    # Make `gn format` not collapse this, for sync_source_lists_from_cmake.py.
+    "DwarfRegMappings.cpp",
+  ]
+}