Checkpoint Thumb2 Instr info work. Generalized base code so that it can be shared between ARM and Thumb2. Not yet activated because register information must be generalized first.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75010 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index 47aca18..65d90b6 100644
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/lib/Target/ARM/ARMInstrThumb2.td
@@ -1048,9 +1048,50 @@
RegConstraint<"$false = $dst">;
//===----------------------------------------------------------------------===//
+// TLS Instructions
+//
+
+// __aeabi_read_tp preserves the registers r1-r3.
+let isCall = 1,
+ Defs = [R0, R12, LR, CPSR] in {
+ def t2TPsoft : T2XI<(outs), (ins),
+ "bl __aeabi_read_tp",
+ [(set R0, ARMthread_pointer)]>;
+}
+
+//===----------------------------------------------------------------------===//
// Control-Flow Instructions
//
+//let isReturn = 1, isTerminator = 1 in
+// def t2BX_RET : T2XI<(outs), (ins), "bx lr", [(ARMretflag)]>;
+//
+// On non-Darwin platforms R9 is callee-saved.
+//let isCall = 1,
+// Defs = [R0, R1, R2, R3, R12, LR,
+// D0, D1, D2, D3, D4, D5, D6, D7, CPSR] in {
+//def t2BL : T2XI<(outs), (ins i32imm:$func, variable_ops),
+// "bl ${func:call}",
+// [(ARMcall tglobaladdr:$func)]>, Requires<[IsNotDarwin]>;
+//
+//def t2BLX : T2XI<(outs), (ins GPR:$func, variable_ops),
+// "blx $func",
+// [(ARMcall GPR:$func)]>, Requires<[IsNotDarwin]>;
+//}
+
+// On Darwin R9 is call-clobbered.
+//let isCall = 1,
+// Defs = [R0, R1, R2, R3, R9, R12, LR,
+// D0, D1, D2, D3, D4, D5, D6, D7, CPSR] in {
+//def t2BLr9 : T2XI<(outs), (ins i32imm:$func, variable_ops),
+// "bl ${func:call}",
+// [(ARMcall tglobaladdr:$func)]>, Requires<[IsDarwin]>;
+//
+//def t2BLXr9 : T2XI<(outs), (ins GPR:$func, variable_ops),
+// "blx $func",
+// [(ARMcall GPR:$func)]>, Requires<[IsDarwin]>;
+//}
+
let isBranch = 1, isTerminator = 1, isBarrier = 1 in {
let isPredicable = 1 in
def t2B : T2XI<(outs), (ins brtarget:$target),