qbe

commit 83131357f7a15ee28208e41b1503937df34b99ba
parent dcf07ba55c437b892f4a73a8e513d7adacdf0e2b
Author: Quentin Carbonneaux <quentin.carbonneaux@yale.edu>
Date:   Fri,  7 Aug 2015 20:28:21 -0400

add very nice spilling stress test

Diffstat:
A
lisc/test/spill2.ssa
 | 
22
++++++++++++++++++++++

1 file changed, 22 insertions(+), 0 deletions(-)
diff --git a/lisc/test/spill2.ssa b/lisc/test/spill2.ssa
@@ -0,0 +1,22 @@
+# make sure comparisons
+# never get their two
+# operands in memory
+# run with NReg == 3, or
+# adapt it!
+
+@start
+	%a =w copy 0
+	%b =w copy 0
+
+@loop
+	%c =w phi @start 0, @loop %f
+	%d =w phi @start 0, @loop %g
+	%e =w phi @start 0, @loop %h
+	%f =w add %c, %d
+	%g =w add %c, %e
+	%h =w add %e, %d
+	%x =w csle %a, %b
+	jnz %x, @loop, @end
+@end
+	ret
+