================
@@ -0,0 +1,15 @@
+; RUN: not opt -S -passes='dxil-post-optimization-validation'
-mtriple=dxil-pc-shadermodel6.6-compute %s 2>&1 | FileCheck %s
+; CHECK: error: register CBuffer (space=0, register=0) is overlapping with
register CBuffer (space=0, register=2), verify your root signature definition
+
+define void @CSMain() "hlsl.shader"="compute" {
+entry:
+ ret void
+}
+
+; RootConstants(num32BitConstants=4, b2), DescriptorTable(CBV(b0,
numDescriptors=3))
----------------
bob80905 wrote:
I want to better understand how these tests cover each of the switch cases. It
looks like this one covers the `Constants32Bit` case, and that
`llvm/test/CodeGen/DirectX/rootsignature-validation-fail-sampler-range.ll`
covers the static sampler case.
But for
`llvm/test/CodeGen/DirectX/rootsignature-validation-fail-overlap-range.ll`, I
am not sure. Does it cover the
```
llvm::to_underlying(dxbc::RootParameterType::SRV):
case llvm::to_underlying(dxbc::RootParameterType::UAV):
case llvm::to_underlying(dxbc::RootParameterType::CBV):
```
case?
Or does it cover the `DescriptorTable` case? If one or the other, can a test be
made to cover the missing case?
https://github.com/llvm/llvm-project/pull/148919
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