From f4da7d9ccfac4b2f3eb9b1483bfb731acb22f14a Mon Sep 17 00:00:00 2001 From: Quentin Carbonneaux Date: Wed, 13 Apr 2016 20:15:15 -0400 Subject: add regression test for liveon bug --- test/philv.ssa | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 test/philv.ssa (limited to 'test/philv.ssa') diff --git a/test/philv.ssa b/test/philv.ssa new file mode 100644 index 0000000..f14106f --- /dev/null +++ b/test/philv.ssa @@ -0,0 +1,34 @@ +# regression test for 1f4ff634 + +# warning! headaches can occur +# when trying to figure out what +# the test is doing! + +export +function w $t0() { +@start +@loop + %x0 =w phi @start 256, @loop %y0 + %y0 =w phi @start 128, @loop %y1 + %y1 =w shr %x0, 1 + jnz %y1, @loop, @end +@end + ret %x0 +} + +export +function w $t1() { # swapped phis +@start +@loop + %y0 =w phi @start 128, @loop %y1 + %x0 =w phi @start 256, @loop %y0 + %y1 =w shr %x0, 1 + jnz %y1, @loop, @end +@end + ret %x0 +} + +# >>> driver +# extern int t0(void), t1(void); +# int main() { return !(t0() == 1 && t1() == 1);} +# <<< -- cgit 1.4.1