03934d0a21
The `DXILResourceImplicitBinding` pass uses the results of `DXILResourceBindingAnalysis` to assigns register slots to resources that do not have explicit binding. It replaces all `llvm.dx.resource.handlefromimplicitbinding` calls with `llvm.dx.resource.handlefrombinding` using the newly assigned binding. If a binding cannot be found for a resource, the pass will raise a diagnostic error. Currently this diagnostic message does not include the resource name, which will be addressed in a separate task (#137868). Part 2/2 of #136786 Closes #136786
43 lines
1.9 KiB
LLVM
43 lines
1.9 KiB
LLVM
; RUN: opt -S -dxil-resource-implicit-binding %s | FileCheck %s
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; Resources defined
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; RWBuffer<float> A : register(u1);
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; RWBuffer<float> B[]; // gets u6 (unbounded range)
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; RWBuffer<int> C : register(u5);
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; RWBuffer<float> D[3]; // gets u2 because it fits between A and C but not before A
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target triple = "dxil-pc-shadermodel6.6-compute"
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define void @test_unbounded_arrays() {
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; RWBuffer<float> A : register(u1);
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%bufA = call target("dx.TypedBuffer", float, 1, 0, 0)
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@llvm.dx.resource.handlefrombinding(i32 0, i32 1, i32 1, i32 0, i1 false)
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; no change to llvm.dx.resource.handlefrombinding
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; CHECK: %bufA = call target("dx.TypedBuffer", float, 1, 0, 0)
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; CHECK-SAME: @llvm.dx.resource.handlefrombinding.tdx.TypedBuffer_f32_1_0_0t(i32 0, i32 1, i32 1, i32 0, i1 false)
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; RWBuffer<float> B[];
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%bufB = call target("dx.TypedBuffer", float, 1, 0, 0)
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@llvm.dx.resource.handlefromimplicitbinding(i32 100, i32 0, i32 -1, i32 0, i1 false)
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; CHECK: %{{.*}} = call target("dx.TypedBuffer", float, 1, 0, 0)
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; CHECK-SAME: @llvm.dx.resource.handlefrombinding.tdx.TypedBuffer_f32_1_0_0t(i32 0, i32 6, i32 -1, i32 0, i1 false)
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; RWBuffer<int> C : register(u5);
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%bufC = call target("dx.TypedBuffer", i32, 1, 0, 0)
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@llvm.dx.resource.handlefrombinding(i32 0, i32 5, i32 1, i32 0, i1 false)
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; no change to llvm.dx.resource.handlefrombinding
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; CHECK: %bufC = call target("dx.TypedBuffer", i32, 1, 0, 0)
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; CHECK-SAME: @llvm.dx.resource.handlefrombinding.tdx.TypedBuffer_i32_1_0_0t(i32 0, i32 5, i32 1, i32 0, i1 false)
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; ; RWBuffer<float> D[3];
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%bufD = call target("dx.TypedBuffer", float, 1, 0, 0)
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@llvm.dx.resource.handlefromimplicitbinding(i32 101, i32 0, i32 3, i32 1, i1 false)
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; CHECK: %{{.*}} = call target("dx.TypedBuffer", float, 1, 0, 0)
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; CHECK-SAME: @llvm.dx.resource.handlefrombinding.tdx.TypedBuffer_f32_1_0_0t(i32 0, i32 2, i32 3, i32 1, i1 false)
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; CHECK-NOT: @llvm.dx.resource.handlefromimplicitbinding
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ret void
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}
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