hohn/codeql
1
0
Fork 0
mirror of https://github.com/github/codeql.git synced 2026-05-05 05:35:13 +02:00
Code Issues Packages Projects Releases Wiki Activity

C++: add SSA IR test for array initializers

Browse Source
This commit is contained in:
Robert Marsh
2019-11-06 13:32:35 -08:00
parent e9336fe30e
commit 51c4ef4f7f
3 changed files with 146 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
cpp/ql/test/library-tests/ir/ssa/aliased_ssa_ir.expected
View File

@@ -869,3 +869,74 @@ ssa.cpp:
# 207| v0_25(void) = UnmodeledUse : mu*
# 207| v0_26(void) = AliasedUse : ~m0_1
# 207| v0_27(void) = ExitFunction :
# 213| void InitArray()
# 213| Block 0
# 213| v0_0(void) = EnterFunction :
# 213| m0_1(unknown) = AliasedDefinition :
# 213| mu0_2(unknown) = UnmodeledDefinition :
# 214| r0_3(glval<char[32]>) = VariableAddress[a_pad] :
# 214| r0_4(glval<char[1]>) = StringConstant[""] :
# 214| r0_5(char[1]) = Load : &:r0_4, ~m0_1
# 214| m0_6(char[1]) = Store : &:r0_3, r0_5
# 214| r0_7(unknown[31]) = Constant[0] :
# 214| r0_8(int) = Constant[1] :
# 214| r0_9(glval<char>) = PointerAdd[1] : r0_3, r0_8
# 214| m0_10(unknown[31]) = Store : &:r0_9, r0_7
# 215| r0_11(glval<char[4]>) = VariableAddress[a_nopad] :
# 215| r0_12(glval<char[4]>) = StringConstant["foo"] :
# 215| r0_13(char[4]) = Load : &:r0_12, ~m0_1
# 215| m0_14(char[4]) = Store : &:r0_11, r0_13
# 216| r0_15(glval<char[5]>) = VariableAddress[a_infer] :
# 216| r0_16(glval<char[5]>) = StringConstant["blah"] :
# 216| r0_17(char[5]) = Load : &:r0_16, ~m0_1
# 216| m0_18(char[5]) = Store : &:r0_15, r0_17
# 217| r0_19(glval<char[2]>) = VariableAddress[b] :
# 217| m0_20(char[2]) = Uninitialized[b] : &:r0_19
# 218| r0_21(glval<char[2]>) = VariableAddress[c] :
# 218| m0_22(char[2]) = Uninitialized[c] : &:r0_21
# 218| r0_23(int) = Constant[0] :
# 218| r0_24(glval<char>) = PointerAdd[1] : r0_21, r0_23
# 218| r0_25(unknown[2]) = Constant[0] :
# 218| m0_26(unknown[2]) = Store : &:r0_24, r0_25
# 219| r0_27(glval<char[2]>) = VariableAddress[d] :
# 219| m0_28(char[2]) = Uninitialized[d] : &:r0_27
# 219| r0_29(int) = Constant[0] :
# 219| r0_30(glval<char>) = PointerAdd[1] : r0_27, r0_29
# 219| r0_31(char) = Constant[0] :
# 219| m0_32(char) = Store : &:r0_30, r0_31
# 219| m0_33(char[2]) = Chi : total:m0_28, partial:m0_32
# 219| r0_34(int) = Constant[1] :
# 219| r0_35(glval<char>) = PointerAdd[1] : r0_27, r0_34
# 219| r0_36(char) = Constant[0] :
# 219| m0_37(char) = Store : &:r0_35, r0_36
# 219| m0_38(char[2]) = Chi : total:m0_33, partial:m0_37
# 220| r0_39(glval<char[2]>) = VariableAddress[e] :
# 220| m0_40(char[2]) = Uninitialized[e] : &:r0_39
# 220| r0_41(int) = Constant[0] :
# 220| r0_42(glval<char>) = PointerAdd[1] : r0_39, r0_41
# 220| r0_43(char) = Constant[0] :
# 220| m0_44(char) = Store : &:r0_42, r0_43
# 220| m0_45(char[2]) = Chi : total:m0_40, partial:m0_44
# 220| r0_46(int) = Constant[1] :
# 220| r0_47(glval<char>) = PointerAdd[1] : r0_39, r0_46
# 220| r0_48(char) = Constant[1] :
# 220| m0_49(char) = Store : &:r0_47, r0_48
# 220| m0_50(char[2]) = Chi : total:m0_45, partial:m0_49
# 221| r0_51(glval<char[3]>) = VariableAddress[f] :
# 221| m0_52(char[3]) = Uninitialized[f] : &:r0_51
# 221| r0_53(int) = Constant[0] :
# 221| r0_54(glval<char>) = PointerAdd[1] : r0_51, r0_53
# 221| r0_55(char) = Constant[0] :
# 221| m0_56(char) = Store : &:r0_54, r0_55
# 221| m0_57(char[3]) = Chi : total:m0_52, partial:m0_56
# 221| r0_58(int) = Constant[1] :
# 221| r0_59(glval<char>) = PointerAdd[1] : r0_51, r0_58
# 221| r0_60(unknown[2]) = Constant[0] :
# 221| m0_61(unknown[2]) = Store : &:r0_59, r0_60
# 221| m0_62(char[3]) = Chi : total:m0_57, partial:m0_61
# 222| v0_63(void) = NoOp :
# 213| v0_64(void) = ReturnVoid :
# 213| v0_65(void) = UnmodeledUse : mu*
# 213| v0_66(void) = AliasedUse : ~m0_1
# 213| v0_67(void) = ExitFunction :

10
cpp/ql/test/library-tests/ir/ssa/ssa.cpp
View File

@@ -210,3 +210,13 @@ int ModeledCallTarget(int x) {
return y;
}
void InitArray() {
char a_pad[32] = "";
char a_nopad[4] = "foo";
char a_infer[] = "blah";
char b[2];
char c[2] = {};
char d[2] = { 0 };
char e[2] = { 0, 1 };
char f[3] = { 0 };
}

65
cpp/ql/test/library-tests/ir/ssa/unaliased_ssa_ir.expected
View File

@@ -833,3 +833,68 @@ ssa.cpp:
# 207| v0_22(void) = UnmodeledUse : mu*
# 207| v0_23(void) = AliasedUse : ~mu0_2
# 207| v0_24(void) = ExitFunction :
# 213| void InitArray()
# 213| Block 0
# 213| v0_0(void) = EnterFunction :
# 213| mu0_1(unknown) = AliasedDefinition :
# 213| mu0_2(unknown) = UnmodeledDefinition :
# 214| r0_3(glval<char[32]>) = VariableAddress[a_pad] :
# 214| r0_4(glval<char[1]>) = StringConstant[""] :
# 214| r0_5(char[1]) = Load : &:r0_4, ~mu0_2
# 214| mu0_6(char[1]) = Store : &:r0_3, r0_5
# 214| r0_7(unknown[31]) = Constant[0] :
# 214| r0_8(int) = Constant[1] :
# 214| r0_9(glval<char>) = PointerAdd[1] : r0_3, r0_8
# 214| mu0_10(unknown[31]) = Store : &:r0_9, r0_7
# 215| r0_11(glval<char[4]>) = VariableAddress[a_nopad] :
# 215| r0_12(glval<char[4]>) = StringConstant["foo"] :
# 215| r0_13(char[4]) = Load : &:r0_12, ~mu0_2
# 215| m0_14(char[4]) = Store : &:r0_11, r0_13
# 216| r0_15(glval<char[5]>) = VariableAddress[a_infer] :
# 216| r0_16(glval<char[5]>) = StringConstant["blah"] :
# 216| r0_17(char[5]) = Load : &:r0_16, ~mu0_2
# 216| m0_18(char[5]) = Store : &:r0_15, r0_17
# 217| r0_19(glval<char[2]>) = VariableAddress[b] :
# 217| m0_20(char[2]) = Uninitialized[b] : &:r0_19
# 218| r0_21(glval<char[2]>) = VariableAddress[c] :
# 218| mu0_22(char[2]) = Uninitialized[c] : &:r0_21
# 218| r0_23(int) = Constant[0] :
# 218| r0_24(glval<char>) = PointerAdd[1] : r0_21, r0_23
# 218| r0_25(unknown[2]) = Constant[0] :
# 218| mu0_26(unknown[2]) = Store : &:r0_24, r0_25
# 219| r0_27(glval<char[2]>) = VariableAddress[d] :
# 219| mu0_28(char[2]) = Uninitialized[d] : &:r0_27
# 219| r0_29(int) = Constant[0] :
# 219| r0_30(glval<char>) = PointerAdd[1] : r0_27, r0_29
# 219| r0_31(char) = Constant[0] :
# 219| mu0_32(char) = Store : &:r0_30, r0_31
# 219| r0_33(int) = Constant[1] :
# 219| r0_34(glval<char>) = PointerAdd[1] : r0_27, r0_33
# 219| r0_35(char) = Constant[0] :
# 219| mu0_36(char) = Store : &:r0_34, r0_35
# 220| r0_37(glval<char[2]>) = VariableAddress[e] :
# 220| mu0_38(char[2]) = Uninitialized[e] : &:r0_37
# 220| r0_39(int) = Constant[0] :
# 220| r0_40(glval<char>) = PointerAdd[1] : r0_37, r0_39
# 220| r0_41(char) = Constant[0] :
# 220| mu0_42(char) = Store : &:r0_40, r0_41
# 220| r0_43(int) = Constant[1] :
# 220| r0_44(glval<char>) = PointerAdd[1] : r0_37, r0_43
# 220| r0_45(char) = Constant[1] :
# 220| mu0_46(char) = Store : &:r0_44, r0_45
# 221| r0_47(glval<char[3]>) = VariableAddress[f] :
# 221| mu0_48(char[3]) = Uninitialized[f] : &:r0_47
# 221| r0_49(int) = Constant[0] :
# 221| r0_50(glval<char>) = PointerAdd[1] : r0_47, r0_49
# 221| r0_51(char) = Constant[0] :
# 221| mu0_52(char) = Store : &:r0_50, r0_51
# 221| r0_53(int) = Constant[1] :
# 221| r0_54(glval<char>) = PointerAdd[1] : r0_47, r0_53
# 221| r0_55(unknown[2]) = Constant[0] :
# 221| mu0_56(unknown[2]) = Store : &:r0_54, r0_55
# 222| v0_57(void) = NoOp :
# 213| v0_58(void) = ReturnVoid :
# 213| v0_59(void) = UnmodeledUse : mu*
# 213| v0_60(void) = AliasedUse : ~mu0_2
# 213| v0_61(void) = ExitFunction :