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| author | Alexander Musman <alexander.musman@gmail.com> | 2015-09-21 14:41:00 +0000 |
|---|---|---|
| committer | Alexander Musman <alexander.musman@gmail.com> | 2015-09-21 14:41:00 +0000 |
| commit | 8e261be911060e834c5e37b965e85415c8fb8b54 (patch) | |
| tree | 0a7ab139be9dbc38d4de59c6f9fac07d6c064af6 /clang/test | |
| parent | ef3a04aae7a4b19f57be950824a37ec10e67fad6 (diff) | |
| download | bcm5719-llvm-8e261be911060e834c5e37b965e85415c8fb8b54.tar.gz bcm5719-llvm-8e261be911060e834c5e37b965e85415c8fb8b54.zip | |
Fix assertion in inline assembler IR gen
Several inputs may not refer to one output constraint in inline assembler
insertions, clang was failing on assertion on such test case.
llvm-svn: 248158
Diffstat (limited to 'clang/test')
| -rw-r--r-- | clang/test/Sema/asm.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/clang/test/Sema/asm.c b/clang/test/Sema/asm.c index 9ed8d843eaf..76e20158c40 100644 --- a/clang/test/Sema/asm.c +++ b/clang/test/Sema/asm.c @@ -236,3 +236,15 @@ void test16() : "m" (test16_baz)); // expected-error {{reference to a global register variable in asm output with a memory constraint 'm'}} } +int test17(int t0) +{ + int r0, r1; + __asm ("addl %2, %2\n\t" + "movl $123, %0" + : "=a" (r0), + "=&r" (r1) + : "1" (t0), // expected-note {{constraint '1' is already present here}} + "1" (t0)); // expected-error {{more than one input constraint matches the same output '1'}} + return r0 + r1; +} + |
