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authorSebastian Pop <sebastian.pop@amd.com>2009-12-23 07:50:22 +0000
committerSebastian Pop <spop@gcc.gnu.org>2009-12-23 07:50:22 +0000
commit403ebc7e2c1134cb65763e8cacbca790a82360d7 (patch)
treebc19cb772a32fa933310f85a572a15b8391b4296 /gcc/testsuite/gcc.dg
parent070ba483434fc103357a001baeb4f907170854c4 (diff)
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re PR tree-optimization/42205 ([graphite] internal compiler error: verify_ssa failed with -ffast-math -floop-interchange)
Fix PR42205. 2009-12-17 Sebastian Pop <sebastian.pop@amd.com> PR middle-end/42205 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt): Insert the reduction copy in the same block as the phi node. (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs. * testsuite/gcc.dg/graphite/pr42205-1.c: New. * testsuite/gcc.dg/graphite/pr42205-2.c: New. From-SVN: r155419
Diffstat (limited to 'gcc/testsuite/gcc.dg')
-rw-r--r--gcc/testsuite/gcc.dg/graphite/pr42205-1.c17
-rw-r--r--gcc/testsuite/gcc.dg/graphite/pr42205-2.c11
2 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/graphite/pr42205-1.c b/gcc/testsuite/gcc.dg/graphite/pr42205-1.c
new file mode 100644
index 0000000..413b9f7
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/graphite/pr42205-1.c
@@ -0,0 +1,17 @@
+/* { dg-options "-O1 -ffast-math -floop-interchange" } */
+
+int adler32(int adler, char *buf, int n)
+{
+ int sum = 0;
+ do {
+ adler += buf[0];
+ sum += adler;
+ adler += buf[1];
+ sum += adler;
+ adler += buf[2];
+ sum += adler;
+ adler += buf[3];
+ sum += adler;
+ } while (--n);
+ return adler | (sum << 16);
+}
diff --git a/gcc/testsuite/gcc.dg/graphite/pr42205-2.c b/gcc/testsuite/gcc.dg/graphite/pr42205-2.c
new file mode 100644
index 0000000..595cedb
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/graphite/pr42205-2.c
@@ -0,0 +1,11 @@
+/* { dg-options "-O1 -funsafe-math-optimizations -floop-interchange" } */
+
+double f(double x)
+{
+ double y = 0.0;
+ int i;
+ for (i = 0; i < 8; i++) {
+ y += x * i;
+ }
+ return y;
+}