[AMDGPU] updated PAL metadata record keys

[tpr]

Summary

The ABI changed before specification was finalized.

[kzhuravl]

LGTM.

llvm/trunk/include/llvm/Support/AMDGPUMetadata.h

 //===----------------------------------------------------------------------===//
 namespace PALMD {
 
 /// \brief PAL metadata assembler directive.
 constexpr char AssemblerDirective[] = ".amd_amdgpu_pal_metadata";
 
 /// \brief PAL metadata keys.
 enum Key : uint32_t {
-  LS_NUM_USED_VGPRS = 0x10000015,
-  HS_NUM_USED_VGPRS = 0x10000016,
-  ES_NUM_USED_VGPRS = 0x10000017,
-  GS_NUM_USED_VGPRS = 0x10000018,
-  VS_NUM_USED_VGPRS = 0x10000019,
-  PS_NUM_USED_VGPRS = 0x1000001a,
-  CS_NUM_USED_VGPRS = 0x1000001b,
-
-  LS_NUM_USED_SGPRS = 0x1000001c,
-  HS_NUM_USED_SGPRS = 0x1000001d,
-  ES_NUM_USED_SGPRS = 0x1000001e,
-  GS_NUM_USED_SGPRS = 0x1000001f,
-  VS_NUM_USED_SGPRS = 0x10000020,
-  PS_NUM_USED_SGPRS = 0x10000021,
-  CS_NUM_USED_SGPRS = 0x10000022,
-
-  LS_SCRATCH_SIZE = 0x10000038,
-  HS_SCRATCH_SIZE = 0x10000039,
-  ES_SCRATCH_SIZE = 0x1000003a,
-  GS_SCRATCH_SIZE = 0x1000003b,
-  VS_SCRATCH_SIZE = 0x1000003c,
-  PS_SCRATCH_SIZE = 0x1000003d,
-  CS_SCRATCH_SIZE = 0x1000003e
+  LS_NUM_USED_VGPRS = 0x10000021,
+  HS_NUM_USED_VGPRS = 0x10000022,
+  ES_NUM_USED_VGPRS = 0x10000023,
+  GS_NUM_USED_VGPRS = 0x10000024,
+  VS_NUM_USED_VGPRS = 0x10000025,
+  PS_NUM_USED_VGPRS = 0x10000026,
+  CS_NUM_USED_VGPRS = 0x10000027,
+
+  LS_NUM_USED_SGPRS = 0x10000028,
+  HS_NUM_USED_SGPRS = 0x10000029,
+  ES_NUM_USED_SGPRS = 0x1000002a,
+  GS_NUM_USED_SGPRS = 0x1000002b,
+  VS_NUM_USED_SGPRS = 0x1000002c,
+  PS_NUM_USED_SGPRS = 0x1000002d,
+  CS_NUM_USED_SGPRS = 0x1000002e,
+
+  LS_SCRATCH_SIZE = 0x10000044,
+  HS_SCRATCH_SIZE = 0x10000045,
+  ES_SCRATCH_SIZE = 0x10000046,
+  GS_SCRATCH_SIZE = 0x10000047,
+  VS_SCRATCH_SIZE = 0x10000048,
+  PS_SCRATCH_SIZE = 0x10000049,
+  CS_SCRATCH_SIZE = 0x1000004a
 };
 
 /// \brief PAL metadata represented as a vector.
 typedef std::vector<uint32_t> Metadata;
 
 /// \brief Converts \p PALMetadata to \p String.
 std::error_code toString(const Metadata &PALMetadata, std::string &String);
 
 } // end namespace PALMD
 } // end namespace AMDGPU
 } // end namespace llvm
 
 #endif // LLVM_SUPPORT_AMDGPUMETADATA_H

llvm/trunk/test/CodeGen/AMDGPU/amdpal.ll

entry:
   store <2 x i32> %in, <2 x i32>* %vv
   %e = getelementptr [2 x i32], [2 x i32]* %v, i32 0, i32 %idx
   %x = load i32, i32* %e
   store i32 %x, i32* %out
   ret void
 }
 
 attributes #0 = { nounwind "amdgpu-git-ptr-high"="0x1234" }
+
+; Check we have CS_NUM_USED_VGPRS in PAL metadata.
+; PAL: .amd_amdgpu_pal_metadata {{.*}},0x10000027,