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C++: Make sign analysis aware of unsigned'ness and accept test changes.

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This commit is contained in:
Mathias Vorreiter Pedersen
2023-03-27 21:23:55 +01:00
parent cbd4662696
commit 724d97eabb
3 changed files with 17 additions and 5 deletions
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8
cpp/ql/test/library-tests/ir/range-analysis/SimpleRangeAnalysis_tests.cpp
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@@ -318,7 +318,7 @@ int test_mult01(int a, int b) {
int r = a*b; // -143 .. 253
range(r);
total += r;
range(total); // $ range=">=... * ...+0"
range(total); // $ MISSING: range=">=... * ...+0"
}
if (3 <= a && a <= 11 && -13 <= b && b <= 0) {
range(a); // $ range=<=11 range=>=3
@@ -366,7 +366,7 @@ int test_mult02(int a, int b) {
int r = a*b; // -143 .. 253
range(r);
total += r;
range(total); // $ range=">=... * ...+0"
range(total); // $ MISSING: range=">=... * ...+0"
}
if (0 <= a && a <= 11 && -13 <= b && b <= 0) {
range(a); // $ range=<=11 range=>=0
@@ -461,7 +461,7 @@ int test_mult04(int a, int b) {
int r = a*b; // -391 .. 221
range(r);
total += r;
range(total); // $ range="<=... * ...+0"
range(total); // $ MISSING: range="<=... * ...+0"
}
if (-17 <= a && a <= 0 && -13 <= b && b <= 0) {
range(a); // $ range=<=0 range=>=-17
@@ -509,7 +509,7 @@ int test_mult05(int a, int b) {
int r = a*b; // -391 .. 221
range(r);
total += r;
range(total); // $ range="<=... * ...+0"
range(total); // $ MISSING: range="<=... * ...+0"
}
if (-17 <= a && a <= -2 && -13 <= b && b <= 0) {
range(a); // $ range=<=-2 range=>=-17