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| author | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2013-12-16 03:20:06 +0000 |
|---|---|---|
| committer | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2013-12-16 03:20:06 +0000 |
| commit | d68c7aa7e633e6bd191d3964eb5a941f8d66f152 (patch) | |
| tree | 0ce9bb8daa1e43485aad1495179f76c200a5cc96 /clang/test/Sema/asm.c | |
| parent | 774cabb5386f9d680a28d83ee478c79673bef145 (diff) | |
| download | bcm5719-llvm-d68c7aa7e633e6bd191d3964eb5a941f8d66f152.tar.gz bcm5719-llvm-d68c7aa7e633e6bd191d3964eb5a941f8d66f152.zip | |
Stop crashing on empty asm input constraints
An empty string for an ASM input constraint is invalid, and will crash
during clang CodeGen. Change TargetInfo::validateInputConstraint to
reject an empty string.
<rdar://problem/15552191>
llvm-svn: 197362
Diffstat (limited to 'clang/test/Sema/asm.c')
| -rw-r--r-- | clang/test/Sema/asm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/test/Sema/asm.c b/clang/test/Sema/asm.c index c81f16a3875..1559b228c87 100644 --- a/clang/test/Sema/asm.c +++ b/clang/test/Sema/asm.c @@ -13,6 +13,9 @@ void f() { asm ("foo\n" : "=a" (i) : "[" (i)); // expected-error {{invalid input constraint '[' in asm}} asm ("foo\n" : "=a" (i) : "[foo" (i)); // expected-error {{invalid input constraint '[foo' in asm}} asm ("foo\n" : "=a" (i) : "[symbolic_name]" (i)); // expected-error {{invalid input constraint '[symbolic_name]' in asm}} + + asm ("foo\n" : : "" (i)); // expected-error {{invalid input constraint '' in asm}} + asm ("foo\n" : "=a" (i) : "" (i)); // expected-error {{invalid input constraint '' in asm}} } void clobbers() { |
