Exapnd br_jt into indirect branch. Provide pattern for indirect branches.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75983 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/SystemZ/SystemZISelLowering.cpp b/lib/Target/SystemZ/SystemZISelLowering.cpp
index 87ea5c3..498aec8 100644
--- a/lib/Target/SystemZ/SystemZISelLowering.cpp
+++ b/lib/Target/SystemZ/SystemZISelLowering.cpp
@@ -62,6 +62,7 @@
setOperationAction(ISD::RET, MVT::Other, Custom);
+ setOperationAction(ISD::BR_JT, MVT::Other, Expand);
setOperationAction(ISD::BRCOND, MVT::Other, Expand);
setOperationAction(ISD::BR_CC, MVT::i32, Custom);
setOperationAction(ISD::BR_CC, MVT::i64, Custom);
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.td b/lib/Target/SystemZ/SystemZInstrInfo.td
index 8969bdf..469fcfe6 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.td
+++ b/lib/Target/SystemZ/SystemZInstrInfo.td
@@ -99,6 +99,12 @@
let isBarrier = 1 in
def JMP : Pseudo<(outs), (ins brtarget:$dst), "j\t{$dst}", [(br bb:$dst)]>;
+ let isBarrier = 1, isIndirectBranch = 1 in {
+ def JMPr : Pseudo<(outs), (ins GR64:$dst), "br\t{$dst}", [(brind GR64:$dst)]>;
+ // FIXME: displacement here is 12 bits
+ def JMPrri : Pseudo<(outs), (ins rriaddr:$dst), "b\t{$dst}", [(brind rriaddr:$dst)]>;
+ }
+
let Uses = [PSW] in {
def JE : Pseudo<(outs), (ins brtarget:$dst),
"je\t$dst",