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| author | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2018-06-26 13:14:44 +0200 |
|---|---|---|
| committer | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2018-07-23 13:11:20 +0200 |
| commit | de13e2c39b95fe234f86b932e1784512b0ee694c (patch) | |
| tree | ff0fbfb95d8bed3ccabad8bc5450508939044a35 /validation/linear/bitfield-store.c | |
| parent | 90cc2706010c1d2eb8cedf0765c95cbb2d5bd38b (diff) | |
| download | sparse-dev-de13e2c39b95fe234f86b932e1784512b0ee694c.tar.gz | |
add testcases for casts & bitfield insertion/extraction
There is several difficulties some related to unclear semantic
of our IR instructions and/or type evaluation.
Add testcases trying to cover this area.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Diffstat (limited to 'validation/linear/bitfield-store.c')
| -rw-r--r-- | validation/linear/bitfield-store.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/validation/linear/bitfield-store.c b/validation/linear/bitfield-store.c new file mode 100644 index 00000000..3d952c8d --- /dev/null +++ b/validation/linear/bitfield-store.c @@ -0,0 +1,22 @@ +int foo(void) +{ + struct { + int a:8; + int b:16; + int c:8; + } s = { 0xff, 0x0000, 0xff }; + + return s.b = 0x56781234; +} + +/* + * check-name: bitfield-store + * check-command: test-linearize -Wno-decl $file + * + * check-output-ignore + * check-output-contains: ret\\..*\\$0x1234 + * + * check-error-start +linear/bitfield-store.c:9:22: warning: cast truncates bits from constant value (56781234 becomes 1234) + * check-error-end + */ |