================
@@ -0,0 +1,48 @@
+// RUN: %clang_cc1 -finclude-default-header -x hlsl -triple
dxil-pc-shadermodel6.3-library %s -fnative-half-type -emit-llvm -o - |
FileCheck %s
+// RUN: %clang_cc1 -finclude-default-header -x hlsl -triple
spirv-vulkan-library %s -fnative-half-type -emit-llvm -o - | FileCheck %s
+
+// CHECK: define {{.*}} i32 {{.*}}test_branch{{.*}}(i32 {{.*}} [[VALD:%.*]])
+// CHECK: [[PARAM:%.*]] = load i32, ptr [[VALD]].addr, align 4
+// CHECK: [[CMP:%.*]] = icmp sgt i32 [[PARAM]], 0
+// CHECK: br i1 [[CMP]], label %if.then, label %if.else,
!hlsl.controlflow.hint [[HINT_BRANCH:![0-9]+]]
+export int test_branch(int X){
+ int resp;
+ [branch] if (X > 0) {
+ resp = -X;
+ } else {
+ resp = X * 2;
+ }
+
+ return resp;
+}
+
+// CHECK: define {{.*}} i32 {{.*}}test_flatten{{.*}}(i32 {{.*}} [[VALD:%.*]])
+// CHECK: [[PARAM:%.*]] = load i32, ptr [[VALD]].addr, align 4
+// CHECK: [[CMP:%.*]] = icmp sgt i32 [[PARAM]], 0
+// CHECK: br i1 [[CMP]], label %if.then, label %if.else,
!hlsl.controlflow.hint [[HINT_FLATTEN:![0-9]+]]
+export int test_flatten(int X){
+ int resp;
+ [flatten] if (X > 0) {
+ resp = -X;
+ } else {
+ resp = X * 2;
+ }
+
+ return resp;
+}
+
+// CHECK: define {{.*}} i32 {{.*}}test_no_attr{{.*}}(i32 {{.*}} [[VALD:%.*]])
+// CHECK-NO: !hlsl.controlflow.hint
----------------
llvm-beanz wrote:
```suggestion
// CHECK-NOT: !hlsl.controlflow.hint
```
https://github.com/llvm/llvm-project/pull/116331
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