ARM: add pseudo-instructions for lit-pool global materialisation

[oota-llvm.git] / lib / Target / ARM / ARMInstrThumb.td

diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td
index bf66ade8f8b18c241663a16000fc7651222068fc..250b3c6f2c6653e1b3bec0a99d07432f316e4b00 100644 (file)
--- a/lib/Target/ARM/ARMInstrThumb.td
+++ b/lib/Target/ARM/ARMInstrThumb.td
@@ -1309,6 +1309,19 @@ def : T1Pat<(subc   tGPR:$lhs, tGPR:$rhs),
 // ConstantPool
 def : T1Pat<(ARMWrapper  tconstpool  :$dst), (tLEApcrel tconstpool  :$dst)>;
 
+// GlobalAddress
+def tLDRLIT_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
+                                  IIC_iLoadiALU,
+                                  [(set GPR:$dst,
+                                        (ARMWrapperPIC tglobaladdr:$addr))]>,
+                       Requires<[IsThumb, DontUseMovt]>;
+
+def tLDRLIT_ga_abs : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iLoad_i,
+                                [(set GPR:$dst,
+                                      (ARMWrapper tglobaladdr:$src))]>,
+                     Requires<[IsThumb, DontUseMovt]>;
+
+
 // JumpTable
 def : T1Pat<(ARMWrapperJT tjumptable:$dst, imm:$id),
             (tLEApcrelJT tjumptable:$dst, imm:$id)>;