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Optimize IdString operations to avoid calling c_str()

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This commit is contained in:
Robert O'Callahan 2025-10-13 20:51:35 +00:00
parent 2075b3416f
commit a534fda855
2 changed files with 200 additions and 21 deletions
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18
tests/unit/kernel/rtlilTest.cc
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@ -373,6 +373,24 @@ namespace RTLIL {
EXPECT_EQ(id, id2);
}
TEST_F(KernelRtlilTest, NewIdBeginsWith) {
IdString id = NEW_ID;
EXPECT_TRUE(id.begins_with("$auto"));
EXPECT_FALSE(id.begins_with("xyz"));
EXPECT_TRUE(id.begins_with("$auto$"));
EXPECT_FALSE(id.begins_with("abcdefghijklmn"));
EXPECT_TRUE(id.begins_with("$auto$rtlilTest"));
EXPECT_FALSE(id.begins_with("$auto$rtlilX"));
}
TEST_F(KernelRtlilTest, NewIdIndexing) {
IdString id = NEW_ID;
std::string str = id.str();
for (int i = 0; i < GetSize(str) + 1; ++i) {
EXPECT_EQ(id[i], str.c_str()[i]);
}
}
class WireRtlVsHdlIndexConversionTest :
public KernelRtlilTest,
public testing::WithParamInterface<std::tuple<bool, int, int>>