[clang] [llvm] [RISCV] Support RISC-V Profiles in -march option (PR #76357)

[Craig Topper via cfe-commits]

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@@ -240,6 +245,17 @@ static const RISCVSupportedExtension SupportedExperimentalExtensions[] = {
 };
 // clang-format on
 
+static const RISCVProfile SupportedProfiles[] = {
+    {"rvi20u32", "rv32i"},
+    {"rvi20u64", "rv64i"},
+    {"rva20u64", "rv64imafdc_zicsr"},
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topperc wrote:

`zicsr` is implied by `f`

https://github.com/llvm/llvm-project/pull/76357