[llvm] [SPIR-V] Add support for the SPIR-V extension SPV_INTEL_bfloat16_conversion (PR #83443)

[Michal Paszkowski via llvm-commits]

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@@ -0,0 +1,12 @@
+; RUN: not llc -O0 -mtriple=spirv32-unknown-unknown --spirv-extensions=SPV_INTEL_bfloat16_conversion %s -o %t.spvt 2>&1 | FileCheck %s --check-prefix=CHECK-ERROR
+; CHECK-ERROR: result and argument must have the same number of components
+
+target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-n8:16:32:64"
+target triple = "spir64-unknown-unknown"
+
+define spir_func void @test(<8 x float> %in) {
+  %res = tail call spir_func <4 x i16> @_Z27__spirv_ConvertFToBF16INTELDv8_f(<8 x float> %in)
+  ret void
+}
+
+declare spir_func <4 x i16> @_Z27__spirv_ConvertFToBF16INTELDv8_f(<8 x float>)
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michalpaszkowski wrote:

Please add a missing line at the end of the file

https://github.com/llvm/llvm-project/pull/83443