On May 7, 2013, at 3:08 PM, Eric Christopher <echri...@gmail.com> wrote:
> 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? See commit message. Specifically, the part about needing clang to add the diagnostics handler. Chad > > -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
