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| author | Patrick Palka <ppalka@gcc.gnu.org> | 2016-08-04 18:11:08 +0000 |
|---|---|---|
| committer | Patrick Palka <ppalka@gcc.gnu.org> | 2016-08-04 18:11:08 +0000 |
| commit | 938da3a58b989f983233eceb8be320ea1b478081 (patch) | |
| tree | 8ee303ad04827e9a987b5e6b3b38386d5180a6c6 /gcc/testsuite/gcc.dg/switch-10.c | |
| parent | 42183d034d47e05814c971b2911c847e2a700941 (diff) | |
| download | gcc-938da3a58b989f983233eceb8be320ea1b478081.zip gcc-938da3a58b989f983233eceb8be320ea1b478081.tar.gz gcc-938da3a58b989f983233eceb8be320ea1b478081.tar.bz2 | |
Designate the widest case label to be the default label
gcc/ChangeLog:
* gimple.c (preprocess_case_label_vec_for_gimple): When the case
labels are exhaustive, designate the label with the widest
range to be the default label.
gcc/testsuite/ChangeLog:
* gcc.dg/switch-10.c: New test.
From-SVN: r239146
Diffstat (limited to 'gcc/testsuite/gcc.dg/switch-10.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/switch-10.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/switch-10.c b/gcc/testsuite/gcc.dg/switch-10.c new file mode 100644 index 0000000..0ffc9eb --- /dev/null +++ b/gcc/testsuite/gcc.dg/switch-10.c @@ -0,0 +1,22 @@ +/* { dg-options "-O2 -fdump-tree-cfg" } */ +/* { dg-final { scan-tree-dump "case 0:" "cfg" } } */ +/* { dg-final { scan-tree-dump-not "case 1 ... 255:" "cfg" } } */ +#include <stdint.h> + +void foo (void); +void bar (void); + +void +test (uint8_t ch) +{ + switch (ch) + { + case 0: + foo (); + break; + + case 1 ... 255: + bar (); + break; + } +} |