================
@@ -522,6 +522,43 @@ let SimpleBDXStore = 1, mayStore = 1 in {
[(store GR128:$src, bdxaddr20only128:$dst)]>;
}
}
+
+let hasNoSchedulingInfo = 1, hasSideEffects = 1, mayLoad = 1 in {
+ // load the stack guard's address
+ def LOAD_TLS_BLOCK_ADDR : Pseudo<(outs ADDR64:$grdaddr),
+ (ins), []>;
+ def LOAD_GLOBAL_STACKGUARD_ADDR : Pseudo<(outs ADDR64:$grdaddr),
+ (ins), []>;
+
+ let mayStore = 1 in {
+ // load the stack guard's address
+ // (via LOAD_[TLS|GLOBAL]_STACKGUARD_ADDR),
+ // and move the stack guard to the stack.
+ let usesCustomInserter = 1 in
+ def MOVE_STACKGUARD_DAG : Pseudo<(outs),
+ (ins bdaddr12only:$grdloc), []>;
----------------
uweigand wrote:
It's a bit odd to have the asymmetry here that COMPARE_STACKGUARD is matched
from an ISD node, while MOVE_STACKGUARD is not. Maybe we should have and use a
MOVE_STACKGUARD node as well, just for symmetry?
https://github.com/llvm/llvm-project/pull/169317
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