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[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

llvm-svn: 180874
This commit is contained in:
Chad Rosier 2013-05-01 19:50:45 +00:00
parent 8e4824f350
commit 368ec9eafc
1 changed files with 23 additions and 0 deletions
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23
clang/test/CodeGen/arm-asm-diag.c Normal file
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// 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