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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/optim/and-extend.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/optim/and-extend.c')
| -rw-r--r-- | validation/optim/and-extend.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/validation/optim/and-extend.c b/validation/optim/and-extend.c new file mode 100644 index 00000000..fdcf470f --- /dev/null +++ b/validation/optim/and-extend.c @@ -0,0 +1,28 @@ +typedef unsigned short u16; +typedef short s16; +typedef unsigned int u32; +typedef int s32; + +u32 ufoo(u32 x) +{ + u16 i = ((u16)x) & 0x7fffU; + return i; +} + +u32 sfoo(u32 x) +{ + s16 i = ((s16)x) & 0x7fff; + return i; +} + +/* + * check-name: and-extend + * check-command: test-linearize -Wno-decl $file + * check-known-to-fail + * + * check-output-ignore + * check-output-excludes: trunc\\. + * check-output-excludes: zext\\. + * check-output-excludes: sext\\. + * check-output-contains: and\\.32.*0x7fff + */ |