Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx> --- sparse-llvm.c | 11 ++--------- validation/backend/load-global.c | 21 +++++++++++++++++++++ validation/backend/string-value.c | 21 +++++++++++++++++++++ 3 files changed, 44 insertions(+), 9 deletions(-) create mode 100644 validation/backend/load-global.c create mode 100644 validation/backend/string-value.c diff --git a/sparse-llvm.c b/sparse-llvm.c index 65b859f4b..c1aefc682 100644 --- a/sparse-llvm.c +++ b/sparse-llvm.c @@ -303,7 +303,7 @@ static LLVMValueRef get_sym_value(struct function *fn, struct symbol *sym) assert(sym->bb_target == NULL); expr = sym->initializer; - if (expr) { + if (expr && !sym->ident) { switch (expr->type) { case EXPR_STRING: { const char *s = expr->string->data; @@ -318,13 +318,6 @@ static LLVMValueRef get_sym_value(struct function *fn, struct symbol *sym) result = LLVMConstGEP(data, indices, ARRAY_SIZE(indices)); return result; } - case EXPR_SYMBOL: { - struct symbol *sym = expr->symbol; - - result = LLVMGetNamedGlobal(fn->module, show_ident(sym->ident)); - assert(result != NULL); - break; - } default: break; } @@ -1212,7 +1205,7 @@ static LLVMValueRef output_data(LLVMModuleRef module, struct symbol *sym) initial_value = LLVMConstNull(type); } - name = show_ident(sym->ident); + name = sym->ident ? show_ident(sym->ident) : "" ; data = LLVMAddGlobal(module, LLVMTypeOf(initial_value), name); diff --git a/validation/backend/load-global.c b/validation/backend/load-global.c new file mode 100644 index 000000000..dedb35f3b --- /dev/null +++ b/validation/backend/load-global.c @@ -0,0 +1,21 @@ +const char *s = "abc"; +int x = 4; +int y; + +int *p = &x; +int *q; + +int loadn(void) { return y; } +int loadi(void) { return x; } + +const char *loads(void) { return s; } + +int *retpn(void) { return q; } +int loadpn(void) { return *q; } +int *retpi(void) { return p; } +int loadpi(void) { return *p; } + +/* + * check-name: use simple value from global vars + * check-command: ./sparsec -Wno-decl -c $file -o tmp.o + */ diff --git a/validation/backend/string-value.c b/validation/backend/string-value.c new file mode 100644 index 000000000..8cdec4a2d --- /dev/null +++ b/validation/backend/string-value.c @@ -0,0 +1,21 @@ +extern void use(const char *); + +const char *ret(void) +{ + return "abc"; +} + +const char *add(void) +{ + return "def" + 1; +} + +void call(void) +{ + use("ijk"); +} + +/* + * check-name: string-value + * check-command: ./sparsec -Wno-decl -c $file -o tmp.o + */ -- 2.12.0 -- To unsubscribe from this list: send the line "unsubscribe linux-sparse" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html