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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.target/i386/pr45830.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/pr45830.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/pr45830.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/pr45830.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr45830.c
new file mode 100644
index 000000000..85d5a3c5a
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr45830.c
@@ -0,0 +1,31 @@
+/* PR target/45830 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-switchconv-all -mtune=generic" } */
+
+int
+foo (int *a)
+{
+ switch (*a)
+ {
+ case 0:
+ case 3:
+ case 1:
+ case 2:
+ case 4:
+ case 23:
+ case 26:
+ case 19:
+ case 5:
+ case 21:
+ case 20:
+ case 22:
+ case 27:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+/* { dg-final { scan-tree-dump "expanding as bit test is preferable" "switchconv" } } */
+/* { dg-final { scan-assembler-not "CSWTCH" } } */
+/* { dg-final { cleanup-tree-dump "switchconv" } } */