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Improve error handling for PR22560. 

The ARM _MoveToCoprocessor and _MoveFromCoprocessor builtins require
integer constants for most arguments, but clang was not checking that.
With this change, we now report meaningful errors instead of crashing
in the backend.

llvm-svn: 240463
This commit is contained in:
Bob Wilson 2015-06-23 21:10:24 +00:00
parent 09aa90bbe1
commit 0c6ed3d29b
2 changed files with 13 additions and 4 deletions
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8
clang/include/clang/Basic/BuiltinsARM.def
View File

@ -105,10 +105,10 @@ LANGBUILTIN(__dmb, "vUi", "nc", ALL_MS_LANGUAGES)
LANGBUILTIN(__dsb, "vUi", "nc", ALL_MS_LANGUAGES)
LANGBUILTIN(__isb, "vUi", "nc", ALL_MS_LANGUAGES)
LANGBUILTIN(__ldrexd, "WiWiCD*", "", ALL_MS_LANGUAGES)
LANGBUILTIN(_MoveFromCoprocessor, "UiUiUiUiUiUi", "", ALL_MS_LANGUAGES)
LANGBUILTIN(_MoveFromCoprocessor2, "UiUiUiUiUiUi", "", ALL_MS_LANGUAGES)
LANGBUILTIN(_MoveToCoprocessor, "vUiUiUiUiUiUi", "", ALL_MS_LANGUAGES)
LANGBUILTIN(_MoveToCoprocessor2, "vUiUiUiUiUiUi", "", ALL_MS_LANGUAGES)
LANGBUILTIN(_MoveFromCoprocessor, "UiIUiIUiIUiIUiIUi", "", ALL_MS_LANGUAGES)
LANGBUILTIN(_MoveFromCoprocessor2, "UiIUiIUiIUiIUiIUi", "", ALL_MS_LANGUAGES)
LANGBUILTIN(_MoveToCoprocessor, "vUiIUiIUiIUiIUiIUi", "", ALL_MS_LANGUAGES)
LANGBUILTIN(_MoveToCoprocessor2, "vUiIUiIUiIUiIUiIUi", "", ALL_MS_LANGUAGES)
#undef BUILTIN
#undef LANGBUILTIN

9
clang/test/Sema/arm-microsoft-intrinsics.c Normal file
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@ -0,0 +1,9 @@
// RUN: %clang_cc1 -triple armv7 -fms-extensions -fsyntax-only -ffreestanding -verify %s
unsigned int test_MoveFromCoprocessor(const unsigned int value) {
return _MoveFromCoprocessor(value, 1, 2, 3, 4); // expected-error-re {{argument to {{.*}} must be a constant integer}}
}
void test_MoveToCoprocessor(const unsigned int value) {
_MoveToCoprocessor(1, 2, value, 3, 4, 5); // expected-error-re {{argument to {{.*}} must be a constant integer}}
}