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joaosaffran dbbe548ed5 [DirectX] Not print invalid root signature definitions. (#196444)
This patch adds a check during root signature printing pass, that makes
sure we have valid root signature before starting printing. This is
required after https://github.com/llvm/llvm-project/pull/194858 changed
reportError to not stop after emitting the first error.

Fix: https://github.com/llvm/llvm-project/issues/196430
2026-05-08 16:06:10 -07:00

21 lines
750 B
LLVM

; RUN: not opt -passes='print<dxil-root-signature>' %s -S -o - 2>&1 | FileCheck %s
; CHECK: error: Function associated with Root Signature definition is null
target triple = "dxil-unknown-shadermodel6.0-compute"
define void @main() #0 {
entry:
ret void
}
attributes #0 = { "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" }
!dx.rootsignatures = !{!2, !5} ; list of function/root signature pairs
!2 = !{ ptr @main, !3, i32 2 } ; function, root signature
!3 = !{ !4 } ; list of root signature elements
!4 = !{ !"RootFlags", i32 1 } ; 1 = allow_input_assembler_input_layout
!5 = !{ null, !6, i32 2 } ; function, root signature
!6 = !{ !7 } ; list of root signature elements
!7 = !{ !"RootFlags", i32 2 } ; 1 = allow_input_assembler_input_layout