diff options
Diffstat (limited to 'test/CodeGen/rdr-6098585-empty-case-range.c')
-rw-r--r-- | test/CodeGen/rdr-6098585-empty-case-range.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/rdr-6098585-empty-case-range.c b/test/CodeGen/rdr-6098585-empty-case-range.c new file mode 100644 index 0000000..ca5ff1b --- /dev/null +++ b/test/CodeGen/rdr-6098585-empty-case-range.c @@ -0,0 +1,23 @@ +// RUN: clang-cc -triple i386-unknown-unknown --emit-llvm-bc -o - %s | opt -std-compile-opts | llvm-dis > %t && +// RUN: grep "ret i32" %t | count 2 && +// RUN: grep "ret i32 3" %t | count 2 + +// This generated incorrect code because of poor switch chaining. +int f1(int x) { + switch(x) { + default: + return 3; + case 10 ... 0xFFFFFFFF: + return 0; + } +} + +// This just asserted because of the way case ranges were calculated. +int f2(int x) { + switch (x) { + default: + return 3; + case 10 ... -1: + return 0; + } +} |