From 4f75d60893e092cffcbe422825ce4dc092d3fb9e Mon Sep 17 00:00:00 2001 From: Tom de Vries Date: Tue, 30 Jun 2015 08:35:57 +0000 Subject: Use max_loop_iterations in transform_to_exit_first_loop_alt 2015-06-30 Tom de Vries PR tree-optimization/66652 * tree-parloops.c (try_transform_to_exit_first_loop_alt): Use max_loop_iterations to determine if nit + 1 overflows. * testsuite/libgomp.c/parloops-exit-first-loop-alt-3.c (f): Rewrite using restrict pointers. (main): Add arguments to calls to f. * testsuite/libgomp.c/parloops-exit-first-loop-alt.c: Same. * gcc.dg/parloops-exit-first-loop-alt-pr66652.c: New test. * gcc.dg/parloops-exit-first-loop-alt-3.c (f): Rewrite using restrict pointers. * gcc.dg/parloops-exit-first-loop-alt.c: Same. From-SVN: r225162 --- libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt-3.c | 4 ++-- libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt.c | 5 +++-- 2 files changed, 5 insertions(+), 4 deletions(-) (limited to 'libgomp/testsuite/libgomp.c') diff --git a/libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt-3.c b/libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt-3.c index cb5bf9c..7de1377 100644 --- a/libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt-3.c +++ b/libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt-3.c @@ -10,7 +10,7 @@ unsigned int *a; unsigned int __attribute__((noclone,noinline)) -f (unsigned int n) +f (unsigned int n, unsigned int *__restrict__ a) { int i; unsigned int sum = 1; @@ -32,7 +32,7 @@ main (void) array[i] = i % 7; a = &array[0]; - res = f (N); + res = f (N, a); if (res != 11995) abort (); diff --git a/libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt.c b/libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt.c index 1c32ea3..07468a9 100644 --- a/libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt.c +++ b/libgomp/testsuite/libgomp.c/parloops-exit-first-loop-alt.c @@ -13,7 +13,8 @@ unsigned int b[N]; unsigned int c[N]; void __attribute__((noclone,noinline)) -f (unsigned int n) +f (unsigned int n, unsigned int *__restrict__ a, unsigned int *__restrict__ b, + unsigned int *__restrict__ c) { int i; @@ -36,7 +37,7 @@ main (void) c[k] = k * 2; } - f (N); + f (N, a, b, c); for (i = 0; i < N; i++) { -- cgit v1.1