[clang] [llvm] [HLSL][DXIL][SPIRV] Added WaveActiveBitOr HLSL intrinsic (PR #165156)

[Sietze Riemersma via cfe-commits]

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@@ -0,0 +1,30 @@
+// RUN: %clang_cc1 -std=hlsl2021 -finclude-default-header -triple \
+// RUN:   dxil-pc-shadermodel6.3-compute %s -emit-llvm -disable-llvm-passes -o - | \
+// RUN:   FileCheck %s --check-prefixes=CHECK,CHECK-DXIL
+// RUN: %clang_cc1 -std=hlsl2021 -finclude-default-header -triple \
+// RUN:   spirv-pc-vulkan-compute %s -emit-llvm -disable-llvm-passes -o - | \
+// RUN:   FileCheck %s --check-prefixes=CHECK,CHECK-SPIRV
+
+// Test basic lowering to runtime function call.
+
+// CHECK-LABEL: test_uint
+uint test_uint(uint expr) {
+  // CHECK-SPIRV:  %[[RET:.*]] = call spir_func [[TY:.*]] @llvm.spv.wave.reduce.or.i32([[TY]] %[[#]])
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KungFuDonkey wrote:

That is still a separate DX and SPV check? Or do you mean:
`// CHECK: %[[RET:.*]] = call [[TY:.*]] @llvm.[[ICF]].wave.reduce.or.i32([[TY]] %[[#]])`

Because that wouldn't work as SPV needs `spir_func` in the call as well

https://github.com/llvm/llvm-project/pull/165156