diff options
| -rw-r--r-- | sparse-llvm.c | 31 | ||||
| -rw-r--r-- | validation/backend/constant-pointer.c | 24 | ||||
| -rw-r--r-- | validation/backend/type-constant.c | 23 |
3 files changed, 77 insertions, 1 deletions
diff --git a/sparse-llvm.c b/sparse-llvm.c index 3e519226..7c8e1bff 100644 --- a/sparse-llvm.c +++ b/sparse-llvm.c @@ -348,6 +348,35 @@ static LLVMValueRef get_sym_value(struct function *fn, struct symbol *sym) return result; } +static LLVMValueRef constant_value(unsigned long long val, LLVMTypeRef dtype) +{ + LLVMTypeRef itype; + LLVMValueRef result; + + switch (LLVMGetTypeKind(dtype)) { + case LLVMPointerTypeKind: + itype = LLVMIntType(bits_in_pointer); + result = LLVMConstInt(itype, val, 1); + result = LLVMConstIntToPtr(result, dtype); + break; + case LLVMIntegerTypeKind: + result = LLVMConstInt(dtype, val, 1); + break; + default: + assert(0); + } + return result; +} + +static LLVMValueRef val_to_value(unsigned long long val, struct symbol *ctype) +{ + LLVMTypeRef dtype; + + assert(ctype); + dtype = symbol_type(ctype); + return constant_value(val, dtype); +} + static LLVMValueRef pseudo_to_value(struct function *fn, struct instruction *insn, pseudo_t pseudo) { LLVMValueRef result = NULL; @@ -360,7 +389,7 @@ static LLVMValueRef pseudo_to_value(struct function *fn, struct instruction *ins result = get_sym_value(fn, pseudo->sym); break; case PSEUDO_VAL: - result = LLVMConstInt(insn_symbol_type(insn), pseudo->value, 1); + result = val_to_value(pseudo->value, insn->type); break; case PSEUDO_ARG: { result = LLVMGetParam(fn->fn, pseudo->nr - 1); diff --git a/validation/backend/constant-pointer.c b/validation/backend/constant-pointer.c new file mode 100644 index 00000000..9012c784 --- /dev/null +++ b/validation/backend/constant-pointer.c @@ -0,0 +1,24 @@ +extern int *ip[]; + +void foo(void); +void foo(void) +{ + ip[0] = (void *)0L; + ip[1] = (int *)0L; + ip[2] = (void *)0; + ip[3] = (int *)0; + ip[4] = (void *)(long)0; + ip[5] = (int *)(long)0; + ip[6] = (void *)123; + ip[7] = (int *)123; + ip[8] = (void *)123L; + ip[9] = (int *)123L; + ip[10] = (void *)(long)123; + ip[11] = (int *)(long)123; +} + +/* + * check-name: constant pointers + * check-command: sparse-llvm $file + * check-output-ignore + */ diff --git a/validation/backend/type-constant.c b/validation/backend/type-constant.c new file mode 100644 index 00000000..cded7f2e --- /dev/null +++ b/validation/backend/type-constant.c @@ -0,0 +1,23 @@ +char creti(void) { return 3; } +int ireti(void) { return 3; } +long lreti(void) { return 3; } + +char cinii(void) { char r = 3; return r; } +int iinii(void) { int r = 3; return r; } +long linii(void) { long r = 3; return r; } + + +void *vretn(void) { return (void*)0; } +char *cretn(void) { return (void*)0; } +int *iretn(void) { return (void*)0; } +long *lretn(void) { return (void*)0; } + +void *vinin(void) { void *r = (void*)0; return r; } +char *cinin(void) { char *r = (void*)0; return r; } +int *iinin(void) { int *r = (void*)0; return r; } +long *linin(void) { long *r = (void*)0; return r; } + +/* + * check-name: type-constant + * check-command: ./sparsec -Wno-decl -c $file -o r.o + */ |
