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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/96482] [10/11 Regression] Combination of
 -finline-small-functions and ipa-cp optimisations causes incorrect values
 being passed to a function since r279523
Date: Tue, 11 Aug 2020 07:08:42 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96482

--- Comment #8 from Martin Li=C5=A1ka <marxin at gcc dot gnu.org> ---
Using the current master, -fdbg-cnt=3Dipa_cp_bits:10461 is first bad debug
counter value where (for
./src/gallium/targets/dri/libgallium_dri.so.wpa.076i.cp):

diff -u /tmp/good.txt /tmp/bad.txt
--- /tmp/good.txt       2020-08-10 23:29:57.234088465 +0200
+++ /tmp/bad.txt        2020-08-10 23:29:08.770350453 +0200
@@ -1414132,9 +1414132,10 @@
  param 2: value =3D 0x0, mask =3D 0xffffffff
 Propagated bits info for function nir_build_alu/631438:
  param 1: value =3D 0x110, mask =3D 0x1ff
-***dbgcnt: upper limit 10460 reached for ipa_cp_bits.***
 Propagated bits info for function addr_to_offset/632014:
  param 0: value =3D 0x0, mask =3D 0xfffffffffffffff8
+***dbgcnt: upper limit 10461 reached for ipa_cp_bits.***
+ param 2: value =3D 0x5, mask =3D 0x6
 Not considering _mesa_create_marshal_table/305172 for ipa bitwise propagat=
ion
; -fipa-bit-cp: disabled.
 Not considering pipe_reference_described.constprop/1065632 for VR discovery
and propagate; -fipa-ipa-vrp: disabled.
 Not considering pipe_resource_reference.constprop/1065631 for VR discovery=
 and
propagate; -fipa-ipa-vrp: disabled.=