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

1 files changed, 25 insertions, 0 deletions

diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td
index b9f1a1aabc..11b6e6bbdd 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