[clang] [llvm] [RISCV][SiFive] Reduce intrinsics of SiFive VCIX extension (PR #79407)

[Craig Topper via cfe-commits]

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@@ -10,7 +10,8 @@
 
 // CHECK-RV64-LABEL: @test_sf_vc_x_se_u64m1(
 // CHECK-RV64-NEXT:  entry:
-// CHECK-RV64-NEXT:    call void @llvm.riscv.sf.vc.x.se.e64m1.i64.i64.i64(i64 3, i64 31, i64 31, i64 [[RS1:%.*]], i64 [[VL:%.*]])
+// CHECK-RV64-NEXT:    [[CONV:%.*]] = trunc i64 [[RS1:%.*]] to i32
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topperc wrote:

is this trunc a bug?

https://github.com/llvm/llvm-project/pull/79407