[llvm] [Analysis] Add Intrinsics::CLMUL case to cost calculations to getIntrinsicInstrCost / getTypeBasedIntrinsicInstrCost (PR #176552)

[Simon Pilgrim via llvm-commits]

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@@ -0,0 +1,19 @@
+; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
+; RUN: opt < %s -passes="print<cost-model>" 2>&1 -disable-output -mtriple=x86_64-unknown-linux-gnu -mattr=+pclmul | FileCheck %s
+
+define void @clmul(i64 %a64, i64 %b64, i32 %a32, i32 %b32, i8 %a8, i8 %b8) {
+; CHECK-LABEL: 'clmul'
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %call_i64 = call i64 @llvm.clmul.i64(i64 %a64, i64 %b64)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %call_i32 = call i32 @llvm.clmul.i32(i32 %a32, i32 %b32)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %call_i8 = call i8 @llvm.clmul.i8(i8 %a8, i8 %b8)
+; CHECK-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
+;
+  %call_i64 = call i64 @llvm.clmul.i64(i64 %a64, i64 %b64)
+  %call_i32 = call i32 @llvm.clmul.i32(i32 %a32, i32 %b32)
+  %call_i8 = call i8 @llvm.clmul.i8(i8 %a8, i8 %b8)
+  ret void
+}
+
+declare i64 @llvm.clmul.i64(i64, i64)
+declare i32 @llvm.clmul.i32(i32, i32)
+declare i8 @llvm.clmul.i8(i8, i8)
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RKSimon wrote:

these shouldn't be necessary anymore?

https://github.com/llvm/llvm-project/pull/176552