[clang] [llvm] [clang][llvm][SPIR-V] Explicitly encode native integer widths for SPIR-V (PR #110695)

[Alex Voicu via cfe-commits]

================
@@ -54,14 +54,14 @@ static std::string computeDataLayout(const Triple &TT) {
   // memory model used for graphics: PhysicalStorageBuffer64. But it shouldn't
   // mean anything.
   if (Arch == Triple::spirv32)
-    return "e-p:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-"
-           "v96:128-v192:256-v256:256-v512:512-v1024:1024-G1";
+    return "e-p:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-"
+           "v256:256-v512:512-v1024:1024-n8:16:32:64-G1";
   if (TT.getVendor() == Triple::VendorType::AMD &&
       TT.getOS() == Triple::OSType::AMDHSA)
-    return "e-i64:64-v16:16-v24:32-v32:32-v48:64-"
-           "v96:128-v192:256-v256:256-v512:512-v1024:1024-G1-P4-A0";
-  return "e-i64:64-v16:16-v24:32-v32:32-v48:64-"
-         "v96:128-v192:256-v256:256-v512:512-v1024:1024-G1";
+    return "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-"
+           "v512:512-v1024:1024-n32:64-S32-G1-P4-A0";
----------------
AlexVlx wrote:

Oh, I matched the AMDGCN triples, so if those are borked too... whoops!

https://github.com/llvm/llvm-project/pull/110695
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