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- From 7686fe30835daa7e5fea0067f3b923bdae68c988 Mon Sep 17 00:00:00 2001
- From: Andrew MacLeod <amacleod@redhat.com>
- Date: Tue, 25 Oct 2022 16:42:41 -0400
- Subject: [PATCH 11/11] Make ranger vrp1 default.
- Turn on ranger as the default vrp1 pass and adjust testcases.
- gcc/
- * params.opt (param_vrp1_mode): Make ranger default.
- gcc/testsuite/
- * gcc.dg/pr68217.c: Test [-INF, -INF][0, 0] instead of [-INF, 0].
- * gcc.dg/tree-ssa/vrp-unreachable.c: New. Test unreachable removal.
- ---
- gcc/params.opt | 2 +-
- gcc/testsuite/gcc.dg/pr68217.c | 2 +-
- .../gcc.dg/tree-ssa/vrp-unreachable.c | 42 +++++++++++++++++++
- 3 files changed, 44 insertions(+), 2 deletions(-)
- create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/vrp-unreachable.c
- diff --git a/gcc/params.opt b/gcc/params.opt
- index b88e1372005..f629246d9fa 100644
- --- a/gcc/params.opt
- +++ b/gcc/params.opt
- @@ -1185,7 +1185,7 @@ Common Joined UInteger Var(param_vect_induction_float) Init(1) IntegerRage(0, 1)
- Enable loop vectorization of floating point inductions.
-
- -param=vrp1-mode=
- -Common Joined Var(param_vrp1_mode) Enum(vrp_mode) Init(VRP_MODE_VRP) Param Optimization
- +Common Joined Var(param_vrp1_mode) Enum(vrp_mode) Init(VRP_MODE_RANGER) Param Optimization
- --param=vrp1-mode=[vrp|ranger] Specifies the mode VRP1 should operate in.
-
- -param=vrp2-mode=
- diff --git a/gcc/testsuite/gcc.dg/pr68217.c b/gcc/testsuite/gcc.dg/pr68217.c
- index eb4f15e048f..60c80106760 100644
- --- a/gcc/testsuite/gcc.dg/pr68217.c
- +++ b/gcc/testsuite/gcc.dg/pr68217.c
- @@ -10,4 +10,4 @@ int foo (void)
- return 0;
- }
-
- -/* { dg-final { scan-tree-dump "\\\[-INF, 0\\\]" "vrp1" } } */
- +/* { dg-final { scan-tree-dump "\\\[-INF, -INF\\\]\\\[0, 0\\\]" "vrp1" } } */
- diff --git a/gcc/testsuite/gcc.dg/tree-ssa/vrp-unreachable.c b/gcc/testsuite/gcc.dg/tree-ssa/vrp-unreachable.c
- new file mode 100644
- index 00000000000..cdc57403c6e
- --- /dev/null
- +++ b/gcc/testsuite/gcc.dg/tree-ssa/vrp-unreachable.c
- @@ -0,0 +1,42 @@
- +/* { dg-do compile } */
- +/* { dg-options "-O2 -fdump-tree-vrp1-alias -fdump-tree-vrp2-alias" } */
- +
- +void dead (unsigned n);
- +void alive (unsigned n);
- +
- +void func (unsigned n, unsigned m)
- +{
- + if (n == 0)
- + __builtin_unreachable();
- + if (n == 1)
- + __builtin_unreachable();
- + if (n & 0x1)
- + __builtin_unreachable();
- + if (n == 2)
- + __builtin_unreachable();
- + if (n == 3)
- + __builtin_unreachable();
- + if (n & 0x2)
- + __builtin_unreachable();
- + if (n == 4)
- + __builtin_unreachable();
- + if (n == 5)
- + __builtin_unreachable();
- + if (n & 0x4)
- + __builtin_unreachable();
- + if (n == 6)
- + __builtin_unreachable();
- + if (n == 7)
- + __builtin_unreachable();
- + if (n <8)
- + dead (n);
- + if (n != m)
- + __builtin_unreachable();
- + alive (n);
- + alive (m);
- +}
- +
- +/* { dg-final { scan-tree-dump-not "dead" "vrp1" } } */
- +/* { dg-final { scan-tree-dump-times "builtin_unreachable" 1 "vrp1" } } */
- +/* { dg-final { scan-tree-dump-not "builtin_unreachable" "vrp2" } } */
- +/* { dg-final { scan-tree-dump-times "fff8" 4 "vrp2" } } */
- --
- 2.25.1
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