Use order-only dependency on $(TBLGEN).

So if the tblgen binary is updated we dont run the rules again.

Bug: 8234097
Change-Id: Ia31a137e2bde8fd750d52596a8e5b8def9a2d87d

1 files changed, 25 insertions, 25 deletions

diff --git a/llvm-tblgen-rules.mk b/llvm-tblgen-rules.mk
index ddcac23..e3a7ca3 100644
--- a/llvm-tblgen-rules.mk
+++ b/llvm-tblgen-rules.mk
@@ -41,51 +41,51 @@ tblgen_td_deps := $(wildcard $(tblgen_td_deps))
 ifeq ($(tblgen_source_dir),$(LLVM_ROOT_PATH)/lib/Target/ARM/MCTargetDesc)
 $(intermediates)/%GenRegisterInfo.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenRegisterInfo.inc: $(tblgen_source_dir)/../%.td \
-                                       $(tblgen_td_deps) $(TBLGEN)
+                                       $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out, register-info)
 
 $(intermediates)/%GenInstrInfo.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenInstrInfo.inc: $(tblgen_source_dir)/../%.td \
-                                    $(tblgen_td_deps) $(TBLGEN)
+                                    $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,instr-info)
 
 $(intermediates)/%GenSubtargetInfo.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenSubtargetInfo.inc: $(tblgen_source_dir)/../%.td \
-                                        $(tblgen_td_deps) $(TBLGEN)
+                                        $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,subtarget)
 endif
 
 ifeq ($(tblgen_source_dir),$(LLVM_ROOT_PATH)/lib/Target/X86/MCTargetDesc)
 $(intermediates)/%GenRegisterInfo.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenRegisterInfo.inc: $(tblgen_source_dir)/../%.td \
-                                       $(tblgen_td_deps) $(TBLGEN)
+                                       $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out, register-info)
 
 $(intermediates)/%GenInstrInfo.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenInstrInfo.inc: $(tblgen_source_dir)/../%.td \
-                                    $(tblgen_td_deps) $(TBLGEN)
+                                    $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,instr-info)
 
 $(intermediates)/%GenSubtargetInfo.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenSubtargetInfo.inc: $(tblgen_source_dir)/../%.td \
-                                        $(tblgen_td_deps) $(TBLGEN)
+                                        $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,subtarget)
 endif
 
 ifeq ($(tblgen_source_dir),$(LLVM_ROOT_PATH)/lib/Target/Mips/MCTargetDesc)
 $(intermediates)/%GenRegisterInfo.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenRegisterInfo.inc: $(tblgen_source_dir)/../%.td \
-                                       $(tblgen_td_deps) $(TBLGEN)
+                                       $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out, register-info)
 
 $(intermediates)/%GenInstrInfo.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenInstrInfo.inc: $(tblgen_source_dir)/../%.td \
-                                    $(tblgen_td_deps) $(TBLGEN)
+                                    $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,instr-info)
 
 $(intermediates)/%GenSubtargetInfo.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenSubtargetInfo.inc: $(tblgen_source_dir)/../%.td \
-                                        $(tblgen_td_deps) $(TBLGEN)
+                                        $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,subtarget)
 endif
 
@@ -93,112 +93,112 @@ endif
 ifneq ($(filter %GenRegisterInfo.inc,$(tblgen_gen_tables)),)
 $(intermediates)/%GenRegisterInfo.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenRegisterInfo.inc: $(tblgen_source_dir)/%.td \
-                                       $(tblgen_td_deps) $(TBLGEN)
+                                       $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,register-info)
 endif
 
 ifneq ($(filter %GenInstrInfo.inc,$(tblgen_gen_tables)),)
 $(intermediates)/%GenInstrInfo.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenInstrInfo.inc: $(tblgen_source_dir)/%.td \
-                                    $(tblgen_td_deps) $(TBLGEN)
+                                    $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,instr-info)
 endif
 
 ifneq ($(filter %GenAsmWriter.inc,$(tblgen_gen_tables)),)
 $(intermediates)/%GenAsmWriter.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenAsmWriter.inc: $(tblgen_source_dir)/%.td \
-                                    $(tblgen_td_deps) $(TBLGEN)
+                                    $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,asm-writer)
 endif
 
 ifneq ($(filter %GenAsmWriter1.inc,$(tblgen_gen_tables)),)
 $(intermediates)/%GenAsmWriter1.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenAsmWriter1.inc: $(tblgen_source_dir)/%.td \
-                                     $(tblgen_td_deps) $(TBLGEN)
+                                     $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,asm-writer -asmwriternum=1)
 endif
 
 ifneq ($(filter %GenAsmMatcher.inc,$(tblgen_gen_tables)),)
 $(intermediates)/%GenAsmMatcher.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenAsmMatcher.inc: $(tblgen_source_dir)/%.td \
-                                     $(tblgen_td_deps) $(TBLGEN)
+                                     $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,asm-matcher)
 endif
 
 ifneq ($(filter %GenCodeEmitter.inc,$(tblgen_gen_tables)),)
 $(intermediates)/%GenCodeEmitter.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenCodeEmitter.inc: $(tblgen_source_dir)/%.td \
-                                      $(tblgen_td_deps) $(TBLGEN)
+                                      $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,emitter)
 endif
 
 ifneq ($(filter %GenMCCodeEmitter.inc,$(tblgen_gen_tables)),)
 $(intermediates)/%GenMCCodeEmitter.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenMCCodeEmitter.inc: $(tblgen_source_dir)/%.td \
-                                        $(tblgen_td_deps) $(TBLGEN)
+                                        $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,emitter -mc-emitter)
 endif
 
 ifneq ($(filter %GenMCPseudoLowering.inc,$(tblgen_gen_tables)),)
 $(intermediates)/%GenMCPseudoLowering.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenMCPseudoLowering.inc: $(tblgen_source_dir)/%.td \
-                                           $(tblgen_td_deps) $(TBLGEN)
+                                           $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,pseudo-lowering)
 endif
 
 ifneq ($(filter %GenDAGISel.inc,$(tblgen_gen_tables)),)
 $(intermediates)/%GenDAGISel.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenDAGISel.inc: $(tblgen_source_dir)/%.td \
-                                  $(tblgen_td_deps) $(TBLGEN)
+                                  $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,dag-isel)
 endif
 
 ifneq ($(filter %GenDisassemblerTables.inc,$(tblgen_gen_tables)),)
 $(intermediates)/%GenDisassemblerTables.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenDisassemblerTables.inc: $(tblgen_source_dir)/%.td \
-                                             $(tblgen_td_deps) $(TBLGEN)
+                                             $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,disassembler)
 endif
 
 ifneq ($(filter %GenEDInfo.inc,$(tblgen_gen_tables)),)
 $(intermediates)/%GenEDInfo.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenEDInfo.inc: $(tblgen_source_dir)/%.td \
-                                 $(tblgen_td_deps) $(TBLGEN)
+                                 $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,enhanced-disassembly-info)
 endif
 
 ifneq ($(filter %GenFastISel.inc,$(tblgen_gen_tables)),)
 $(intermediates)/%GenFastISel.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenFastISel.inc: $(tblgen_source_dir)/%.td \
-                                   $(tblgen_td_deps) $(TBLGEN)
+                                   $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,fast-isel)
 endif
 
 ifneq ($(filter %GenSubtargetInfo.inc,$(tblgen_gen_tables)),)
 $(intermediates)/%GenSubtargetInfo.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenSubtargetInfo.inc: $(tblgen_source_dir)/%.td \
-                                        $(tblgen_td_deps) $(TBLGEN)
+                                        $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,subtarget)
 endif
 
 ifneq ($(filter %GenCallingConv.inc,$(tblgen_gen_tables)),)
 $(intermediates)/%GenCallingConv.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenCallingConv.inc: $(tblgen_source_dir)/%.td \
-                                      $(tblgen_td_deps) $(TBLGEN)
+                                      $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,callingconv)
 endif
 
 ifneq ($(filter %GenIntrinsics.inc,$(tblgen_gen_tables)),)
 $(intermediates)/%GenIntrinsics.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/%GenIntrinsics.inc: $(tblgen_source_dir)/%.td \
-                                     $(tblgen_td_deps) $(TBLGEN)
+                                     $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,tgt_intrinsics)
 endif
 
 ifneq ($(findstring ARMGenDecoderTables.inc,$(tblgen_gen_tables)),)
 $(intermediates)/ARMGenDecoderTables.inc: TBLGEN_LOCAL_MODULE := $(LOCAL_MODULE)
 $(intermediates)/ARMGenDecoderTables.inc: $(tblgen_source_dir)/ARM.td \
-                                          $(tblgen_td_deps) $(TBLGEN)
+                                          $(tblgen_td_deps) | $(TBLGEN)
 	$(call transform-td-to-out,arm-decoder)
 endif