8eadbea8e3
Adds reporting of overlapping binding errors to `DXILPostOptimizationValidation` pass. Only runs when `DXILResourceBindingAnalysis` detects that there is a resource binding that overlaps while it is building up a map of available register spaces. Fixes #110723
42 lines
1.9 KiB
LLVM
42 lines
1.9 KiB
LLVM
; Use llc for this test so that we don't abort after the first error.
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; RUN: not llc %s -o /dev/null 2>&1 | FileCheck %s
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; Check multiple overlap errors.
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; A overlaps with B
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; A overlaps with C
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; B overlaps with C
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; StructuredBuffer<float> A[5] : register(t1); // 1-5
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; StructuredBuffer<float> B[2] : register(t2); // 2-3
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; StructuredBuffer<float> C[3] : register(t3); // 3-5
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; CHECK: error: resource A at register 1 overlaps with resource B at register 2 in space 0
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; CHECK: error: resource A at register 1 overlaps with resource C at register 3 in space 0
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; CHECK: error: resource B at register 2 overlaps with resource C at register 3 in space 0
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target triple = "dxil-pc-shadermodel6.3-library"
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@A.str = private unnamed_addr constant [2 x i8] c"A\00", align 1
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@B.str = private unnamed_addr constant [2 x i8] c"B\00", align 1
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@C.str = private unnamed_addr constant [2 x i8] c"C\00", align 1
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; Fake globals to store handles in; this is to make sure the handlefrombinding calls
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; are not optimized away by llc.
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@One = internal global { target("dx.RawBuffer", float, 0, 0) } poison, align 4
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@Two = internal global { target("dx.RawBuffer", float, 0, 0) } poison, align 4
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@Three = internal global { target("dx.RawBuffer", float, 0, 0) } poison, align 4
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define void @test_overlapping() "hlsl.export" {
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entry:
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%h1 = call target("dx.RawBuffer", float, 0, 0) @llvm.dx.resource.handlefrombinding(i32 0, i32 1, i32 5, i32 0, i1 false, ptr @A.str)
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store target("dx.RawBuffer", float, 0, 0) %h1, ptr @One, align 4
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%h2 = call target("dx.RawBuffer", float, 0, 0) @llvm.dx.resource.handlefrombinding(i32 0, i32 2, i32 2, i32 0, i1 false, ptr @B.str)
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store target("dx.RawBuffer", float, 0, 0) %h2, ptr @Two, align 4
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%h3 = call target("dx.RawBuffer", float, 0, 0) @llvm.dx.resource.handlefrombinding(i32 0, i32 3, i32 3, i32 4, i1 false, ptr @C.str)
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store target("dx.RawBuffer", float, 0, 0) %h3, ptr @Three, align 4
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ret void
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}
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