================
@@ -0,0 +1,63 @@
+; RUN: opt -S -dxil-op-lower %s | FileCheck %s
+
+target triple = "dxil-pc-shadermodel6.6-compute"
+
+define void @test_bindings() {
+ ; RWBuffer<float4> Buf : register(u5, space3)
+ %typed0 = call target("dx.TypedBuffer", <4 x float>, 1, 0, 0)
+ @llvm.dx.handle.fromBinding.tdx.TypedBuffer_v4f32_1_0_0(
+ i32 3, i32 5, i32 1, i32 4, i1 false)
+ ; CHECK: [[BUF0:%[0-9]*]] = call %dx.types.Handle
@dx.op.createHandleFromBinding(i32 218, %dx.types.ResBind { i32 5, i32 5, i32
3, i8 1 }, i32 4, i1 false)
+ ; CHECK: call %dx.types.Handle @dx.op.annotateHandle(i32 217,
%dx.types.Handle [[BUF0]], %dx.types.ResourceProperties { i32 4106, i32 1033 })
+
+ ; RWBuffer<int> Buf : register(u7, space2)
+ %typed1 = call target("dx.TypedBuffer", i32, 1, 0, 1)
+ @llvm.dx.handle.fromBinding.tdx.TypedBuffer_i32_1_0_0t(
+ i32 2, i32 7, i32 1, i32 6, i1 false)
+ ; CHECK: [[BUF1:%[0-9]*]] = call %dx.types.Handle
@dx.op.createHandleFromBinding(i32 218, %dx.types.ResBind { i32 7, i32 7, i32
2, i8 1 }, i32 6, i1 false)
+ ; CHECK: call %dx.types.Handle @dx.op.annotateHandle(i32 217,
%dx.types.Handle [[BUF1]], %dx.types.ResourceProperties { i32 4106, i32 260 })
+
+ ; Buffer<uint4> Buf[24] : register(t3, space5)
+ %typed2 = call target("dx.TypedBuffer", <4 x i32>, 0, 0, 0)
----------------
bogner wrote:
You can see it in the `createHandleFromBinding` call below, though it looks
more like math there:
```
%dx.types.ResBind { i32 7, i32 30, i32 2, i8 0 }
```
Here we have a resource binding with a lower bound of 7 and an upper bound of
30 - ie, a size of 24.
https://github.com/llvm/llvm-project/pull/104251
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