[llvm] [RISCV] Correct RISCVTTIImpl::getIntImmCostInst for Zba (PR #128174)

[Craig Topper via llvm-commits]

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@@ -55,16 +55,21 @@ define i32 @test6(i32 %a) nounwind "target-features"="+zbb" {
   ret i32 %2
 }
 
-; Check that we hoist zext.w without Zba.
+; Check that we hoist zext.w without Zba on RV64.
+; Check that we don't hoist on RV32.
 define i64 @test7(i64 %a) nounwind {
-; CHECK-LABEL: test7
-; CHECK: %const = bitcast i64 4294967295 to i64
+; RV32I-LABEL: test7
+; RV32I: and i64 %a, 4294967295
+
+; RV64I-LABEL: test7
+; RV64I: %const = bitcast i64 4294967295 to i64
   %1 = and i64 %a, 4294967295
   %2 = and i64 %1, 4294967295
   ret i64 %2
 }
 
-; Check that we don't hoist zext.w with Zba.
+; Check that we don't hoist zext.w with Zba on RC64.
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topperc wrote:

RC64 -> RV64

https://github.com/llvm/llvm-project/pull/128174