Wait, are you depending upon an error from the backend for this? If so, what's causing us to be unable to check it from a .ll file?
-eric On Wed, May 1, 2013 at 12:50 PM, Chad Rosier <mcros...@apple.com> wrote: > Author: mcrosier > Date: Wed May 1 14:50:45 2013 > New Revision: 180874 > > URL: http://llvm.org/viewvc/llvm-project?rev=180874&view=rev > Log: > [inline asm] Add a test case for r180873. Test case needs to be on the clang > side because we need an inline asm diagnostics handler in place. > Unfortunately, > we emit a .s file because we need to build the SelectionDAG to hit the backend > issue. > rdar://13446483 > > > Added: > cfe/trunk/test/CodeGen/arm-asm-diag.c > > Added: cfe/trunk/test/CodeGen/arm-asm-diag.c > URL: > http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/arm-asm-diag.c?rev=180874&view=auto > ============================================================================== > --- cfe/trunk/test/CodeGen/arm-asm-diag.c (added) > +++ cfe/trunk/test/CodeGen/arm-asm-diag.c Wed May 1 14:50:45 2013 > @@ -0,0 +1,23 @@ > +// REQUIRES: arm-registered-target > +// RUN: %clang_cc1 -triple armv7 %s -S -o /dev/null 2>&1 | Filecheck %s > + > +// rdar://13446483 > +typedef __attribute__((neon_vector_type(2))) long long int64x2_t; > +typedef struct int64x2x4_t { > + int64x2_t val[4]; > +} int64x2x4_t; > +int64x2x4_t t1(const long long a[]) { > + int64x2x4_t r; > + __asm__("vldm %[a], { %q[r0], %q[r1], %q[r2], %q[r3] }" > + : [r0] "=r"(r.val[0]), // expected-warning {{the value is > truncated when put into register, use a modifier to specify the size}} > + [r1] "=r"(r.val[1]), // expected-warning {{the value is > truncated when put into register, use a modifier to specify the size}} > + [r2] "=r"(r.val[2]), // expected-warning {{the value is > truncated when put into register, use a modifier to specify the size}} > + [r3] "=r"(r.val[3]) // expected-warning {{the value is > truncated when put into register, use a modifier to specify the size}} > + : [a] "r"(a)); > + return r; > +} > +// We should see all four errors, rather than report a fatal error after the > first. > +// CHECK: error: non-trivial scalar-to-vector conversion, possible invalid > constraint for vector type > +// CHECK: error: non-trivial scalar-to-vector conversion, possible invalid > constraint for vector type > +// CHECK: error: non-trivial scalar-to-vector conversion, possible invalid > constraint for vector type > +// CHECK: error: non-trivial scalar-to-vector conversion, possible invalid > constraint for vector type > > > _______________________________________________ > cfe-commits mailing list > cfe-commits@cs.uiuc.edu > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits _______________________________________________ cfe-commits mailing list cfe-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits