From: Evan Cheng <evan.cheng@apple.com>
Date: Fri, 11 Aug 2006 09:03:33 +0000 (+0000)
Subject: CALLSEQ_* produces chain even if that's not needed.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bb7b844bec6c53ac29ac4c50d7b3963e7f193efb;p=oota-llvm.git

CALLSEQ_* produces chain even if that's not needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29603 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 9dc596ab462..7384f2e5f66 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -38,8 +38,10 @@ class InstARM<dag ops, string asmstr, list<dag> pattern> : Instruction {
 }
 
 def SDT_ARMCallSeq : SDTypeProfile<0, 1, [ SDTCisVT<0, i32> ]>;
-def callseq_start  : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeq, [SDNPHasChain]>;
-def callseq_end    : SDNode<"ISD::CALLSEQ_END",   SDT_ARMCallSeq, [SDNPHasChain]>;
+def callseq_start  : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeq,
+    		             [SDNPHasChain, SDNPOutFlag]>;
+def callseq_end    : SDNode<"ISD::CALLSEQ_END",   SDT_ARMCallSeq,
+    		             [SDNPHasChain, SDNPOutFlag]>;
 
 def SDT_ARMcall    : SDTypeProfile<0, -1, [SDTCisInt<0>]>;
 def ARMcall        : SDNode<"ARMISD::CALL", SDT_ARMcall,
diff --git a/lib/Target/Alpha/AlphaInstrInfo.td b/lib/Target/Alpha/AlphaInstrInfo.td
index 164a1082918..2589cca26b7 100644
--- a/lib/Target/Alpha/AlphaInstrInfo.td
+++ b/lib/Target/Alpha/AlphaInstrInfo.td
@@ -33,8 +33,10 @@ def retflag       : SDNode<"AlphaISD::RET_FLAG", SDTRet,
 
 // These are target-independent nodes, but have target-specific formats.
 def SDT_AlphaCallSeq : SDTypeProfile<0, 1, [ SDTCisVT<0, i64> ]>;
-def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_AlphaCallSeq,[SDNPHasChain]>;
-def callseq_end   : SDNode<"ISD::CALLSEQ_END",   SDT_AlphaCallSeq,[SDNPHasChain]>;
+def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_AlphaCallSeq,
+    		           [SDNPHasChain, SDNPOutFlag]>;
+def callseq_end   : SDNode<"ISD::CALLSEQ_END",   SDT_AlphaCallSeq,
+                           [SDNPHasChain, SDNPOutFlag]>;
 
 //********************
 //Paterns for matching
diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td
index 252036f497c..a3578587d66 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/lib/Target/PowerPC/PPCInstrInfo.td
@@ -75,8 +75,10 @@ def PPCextsw_32   : SDNode<"PPCISD::EXTSW_32"  , SDTIntUnaryOp>;
 def PPCstd_32     : SDNode<"PPCISD::STD_32"    , SDTStore, [SDNPHasChain]>;
 
 // These are target-independent nodes, but have target-specific formats.
-def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_PPCCallSeq,[SDNPHasChain]>;
-def callseq_end   : SDNode<"ISD::CALLSEQ_END",   SDT_PPCCallSeq,[SDNPHasChain]>;
+def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_PPCCallSeq,
+                           [SDNPHasChain, SDNPOutFlag]>;
+def callseq_end   : SDNode<"ISD::CALLSEQ_END",   SDT_PPCCallSeq,
+                           [SDNPHasChain, SDNPOutFlag]>;
 
 def SDT_PPCCall   : SDTypeProfile<0, -1, [SDTCisInt<0>]>;
 def PPCcall       : SDNode<"PPCISD::CALL", SDT_PPCCall,
diff --git a/lib/Target/Sparc/SparcInstrInfo.td b/lib/Target/Sparc/SparcInstrInfo.td
index 76741566d20..cd9996b8fc7 100644
--- a/lib/Target/Sparc/SparcInstrInfo.td
+++ b/lib/Target/Sparc/SparcInstrInfo.td
@@ -117,8 +117,10 @@ def SPselectfcc : SDNode<"SPISD::SELECT_FCC", SDTSPselectcc, [SDNPInFlag]>;
 
 // These are target-independent nodes, but have target-specific formats.
 def SDT_SPCallSeq : SDTypeProfile<0, 1, [ SDTCisVT<0, i32> ]>;
-def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_SPCallSeq, [SDNPHasChain]>;
-def callseq_end   : SDNode<"ISD::CALLSEQ_END",   SDT_SPCallSeq, [SDNPHasChain]>;
+def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_SPCallSeq,
+                           [SDNPHasChain, SDNPOutFlag]>;
+def callseq_end   : SDNode<"ISD::CALLSEQ_END",   SDT_SPCallSeq,
+                           [SDNPHasChain, SDNPOutFlag]>;
 
 def SDT_SPCall    : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
 def call          : SDNode<"SPISD::CALL", SDT_SPCall,
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 14b87403358..9e19f94207f 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -67,7 +67,7 @@ def X86retflag : SDNode<"X86ISD::RET_FLAG", SDTX86Ret,
 
 def X86callseq_start :
                  SDNode<"ISD::CALLSEQ_START", SDT_X86CallSeqStart,
-                        [SDNPHasChain]>;
+                        [SDNPHasChain, SDNPOutFlag]>;
 def X86callseq_end :
                  SDNode<"ISD::CALLSEQ_END",   SDT_X86CallSeqEnd,
                         [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;