Add llvm.xcore.waitevent intrinsic. The effect of this intrinsic is to enable

events on the thread and wait until a resource is ready to event. The vector
of the resource that is ready is returned.

llvm-svn: 126320

1 files changed, 7 insertions, 1 deletions

diff --git a/llvm/lib/Target/XCore/XCoreInstrInfo.td b/llvm/lib/Target/XCore/XCoreInstrInfo.td
index b89f6769971..90a725220f2 100644
--- a/llvm/lib/Target/XCore/XCoreInstrInfo.td
+++ b/llvm/lib/Target/XCore/XCoreInstrInfo.td
@@ -895,7 +895,7 @@ def SETV_1r : _F1R<(outs), (ins GRRegs:$r),
                [(int_xcore_setv GRRegs:$r, R11)]>;
 
 // Zero operand short
-// TODO waiteu, clre, ssync, freet, ldspc, stspc, ldssr, stssr, ldsed, stsed,
+// TODO clre, ssync, freet, ldspc, stspc, ldssr, stssr, ldsed, stsed,
 // stet, geted, getet, getkep, getksp, setkep, getid, kret, dcall, dret,
 // dentsp, drestsp
 
@@ -904,6 +904,12 @@ def GETID_0R : _F0R<(outs), (ins),
                  "get r11, id",
                  [(set R11, (int_xcore_getid))]>;
 
+let isBranch=1, isIndirectBranch=1, isTerminator=1, isBarrier = 1,
+    hasSideEffects = 1 in
+def WAITEU_0R : _F0R<(outs), (ins),
+                 "waiteu",
+                 [(brind (int_xcore_waitevent))]>;
+
 //===----------------------------------------------------------------------===//
 // Non-Instruction Patterns
 //===----------------------------------------------------------------------===//