================
@@ -207,3 +210,46 @@ TEST(KFDTopology, MultipleGPUsArePrintedInNodeOrder) {
EXPECT_EQ(printGPUsByKFDCapturingStdout(Dir.path(), Output), 0);
EXPECT_EQ(Output, "gfx1101\ngfx90a\n");
}
+
+// --- getIntelGPUArchName ---
+
+namespace {
+// Build a GPU IP version the way the Level Zero driver reports it.
+constexpr uint32_t gpuIPVersion(uint32_t Architecture, uint32_t Release,
+ uint32_t Revision) {
+ return (Architecture << 22) | (Release << 14) | Revision;
+}
+} // namespace
+
+TEST(IntelGPUArchName, KnownArchitecturesGetAFriendlyName) {
+ EXPECT_EQ(getIntelGPUArchName(gpuIPVersion(12, 60, 7)), "xe-pvc");
+ EXPECT_EQ(getIntelGPUArchName(gpuIPVersion(20, 1, 4)), "xe-bmg-g21");
+ EXPECT_EQ(getIntelGPUArchName(gpuIPVersion(35, 10, 0)), "xe-nvl-p");
+ EXPECT_EQ(getIntelGPUArchName(gpuIPVersion(12, 0, 0)), "xe-tgllp");
+}
+
+// When several devices share an architecture and a release, the first one
+// listed in IntelGPUTargetParser.def names the whole group.
+TEST(IntelGPUArchName, FirstNameOfAGroupWins) {
+ EXPECT_EQ(getIntelGPUArchName(gpuIPVersion(30, 5, 0)), "xe-nvl-u");
+ EXPECT_EQ(getIntelGPUArchName(gpuIPVersion(12, 55, 0)), "xe-acm-g10");
+}
+
+// The revision is not part of the lookup: every stepping of an architecture
+// shares one name.
+TEST(IntelGPUArchName, RevisionDoesNotAffectTheName) {
+ EXPECT_EQ(getIntelGPUArchName(gpuIPVersion(12, 60, 0)), "xe-pvc");
+ EXPECT_EQ(getIntelGPUArchName(gpuIPVersion(12, 60, 63)), "xe-pvc");
+}
+
+// An architecture that is not in the table still has to be named, so that a
+// newer device is usable with a compiler that predates it.
+TEST(IntelGPUArchName, UnknownArchitecturesGetANumericName) {
+ EXPECT_EQ(getIntelGPUArchName(gpuIPVersion(40, 11, 0)), "xe_40.11.0");
+ EXPECT_EQ(getIntelGPUArchName(gpuIPVersion(12, 99, 3)), "xe_12.99.3");
+}
+
+// Pre-Xe devices report a version too, and none of them are in the table.
----------------
KornevNikita wrote:
[d7ae1ce](https://github.com/llvm/llvm-project/pull/222072/commits/d7ae1ceeb4eb19ec5f8ceb7e3fda61ad5e5f9a28)
https://github.com/llvm/llvm-project/pull/222072
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