[clang] [llvm] [HLSL] Adding HLSL `clip` function. (PR #114588)

[Farzon Lotfi via cfe-commits]

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@@ -0,0 +1,39 @@
+// RUN: %clang_cc1 -finclude-default-header -x hlsl -triple dxil-pc-shadermodel6.3-pixel %s -fnative-half-type -emit-llvm -o - | FileCheck %s
+// RUN: %clang_cc1 -finclude-default-header -x hlsl -triple spirv-vulkan-pixel %s -fnative-half-type -emit-llvm -o - | FileCheck %s --check-prefix=SPIRV
+
+
+void test_scalar(float Buf) {
+  // CHECK:      define void @{{.*}}test_scalar{{.*}}(float {{.*}} [[VALP:%.*]])
+  // CHECK:      [[LOAD:%.*]] = load float, ptr [[VALP]].addr, align 4
+  // CHECK-NEXT: [[FCMP:%.*]] = fcmp olt float [[LOAD]], 0.000000e+00
+  // CHECK-NO:   call i1 @llvm.dx.any
+  // CHECK-NEXT: call void @llvm.dx.clip(i1 [[FCMP]])
+  //
+  // SPIRV:      define spir_func void @{{.*}}test_scalar{{.*}}(float {{.*}} [[VALP:%.*]])
+  // SPIRV:      [[LOAD:%.*]] = load float, ptr [[VALP]].addr, align 4
+  // SPIRV-NEXT: [[FCMP:%.*]] = fcmp olt float [[LOAD]], 0.000000e+00
+  // SPIRV-NO:   call i1 @llvm.dx.any
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farzonl wrote:

this looks wrong. shouldn't it be `llvm.spv.any`?

https://github.com/llvm/llvm-project/pull/114588