From: Jim Grosbach <grosbach@apple.com>
Date: Fri, 8 Jul 2011 20:13:35 +0000 (+0000)
Subject: Move Thumb tail call pseudos to Thumb.td file.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e36e21e83097c7d1ec6704cb0d17d71336b2218e;p=oota-llvm.git

Move Thumb tail call pseudos to Thumb.td file.

Fix a FIXME.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134727 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 36c828564db..650e45fb7d0 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -1527,7 +1527,6 @@ def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
 
 // Tail calls.
 
-// FIXME: The Thumb versions of these should live in ARMInstrThumb.td
 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
   // Darwin versions.
   let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
@@ -1543,18 +1542,11 @@ let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
                    (Bcc br_target:$dst, (ops 14, zero_reg))>,
                    Requires<[IsARM, IsDarwin]>;
 
-    def tTAILJMPd: tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
-                   Size4Bytes, IIC_Br,
-                   []>, Requires<[IsThumb, IsDarwin]>;
-
     def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
                    Size4Bytes, IIC_Br, [],
                    (BX GPR:$dst)>,
                    Requires<[IsARM, IsDarwin]>;
 
-    def tTAILJMPr : tPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
-                     Size4Bytes, IIC_Br,
-                   []>, Requires<[IsThumb, IsDarwin]>;
   }
 
   // Non-Darwin versions (the difference is R9).
@@ -1571,17 +1563,10 @@ let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
                    (Bcc br_target:$dst, (ops 14, zero_reg))>,
                    Requires<[IsARM, IsNotDarwin]>;
 
-    def tTAILJMPdND : tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
-                   Size4Bytes, IIC_Br,
-                   []>, Requires<[IsThumb, IsNotDarwin]>;
-
     def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
                      Size4Bytes, IIC_Br, [],
                      (BX GPR:$dst)>,
                      Requires<[IsARM, IsNotDarwin]>;
-    def tTAILJMPrND : tPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
-                     Size4Bytes, IIC_Br,
-                   []>, Requires<[IsThumb, IsNotDarwin]>;
   }
 }
 
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td
index b9f1a1aabcc..11b6e6bbdd0 100644
--- a/lib/Target/ARM/ARMInstrThumb.td
+++ b/lib/Target/ARM/ARMInstrThumb.td
@@ -571,6 +571,31 @@ let isBranch = 1, isTerminator = 1 in {
   }
 }
 
+// Tail calls
+let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
+  // Darwin versions.
+  let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
+      Uses = [SP] in {
+    def tTAILJMPd: tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
+                   Size4Bytes, IIC_Br,
+                   []>, Requires<[IsThumb, IsDarwin]>;
+    def tTAILJMPr : tPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
+                     Size4Bytes, IIC_Br,
+                   []>, Requires<[IsThumb, IsDarwin]>;
+  }
+  // Non-Darwin versions (the difference is R9).
+  let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
+      Uses = [SP] in {
+    def tTAILJMPdND : tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
+                   Size4Bytes, IIC_Br,
+                   []>, Requires<[IsThumb, IsNotDarwin]>;
+    def tTAILJMPrND : tPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
+                     Size4Bytes, IIC_Br,
+                   []>, Requires<[IsThumb, IsNotDarwin]>;
+  }
+}
+
+
 // A8.6.218 Supervisor Call (Software Interrupt) -- for disassembly only
 // A8.6.16 B: Encoding T1
 // If Inst{11-8} == 0b1111 then SEE SVC