================
@@ -0,0 +1,47 @@
+; RUN: llc -filetype=obj %s -o %t.dxbc
+; RUN: obj2yaml %t.dxbc | FileCheck %s --check-prefix=PARTS
+; RUN: llvm-objcopy --dump-section=DXIL=%t.bc %t.dxbc
+; RUN: llvm-dis %t.bc -o - | FileCheck %s --check-prefixes=MD,DXIL
+
+; SV_ViewID is not part of the signature. Using it marks the shader as using
+; the view ID, and every written output component is conservatively treated as
+; depending on it, both in dx.viewIdState and in PSV0.
+target triple = "dxil-pc-shadermodel6.1-pixel"
+
+define void @main() #0 {
+ %a = call float @llvm.dx.load.input.f32(i32 0, i32 0, i8 0, i32 poison)
+ %view = call i32 @llvm.dx.view.id()
+ %f = uitofp i32 %view to float
+ %result = fadd float %a, %f
+ call void @llvm.dx.store.output.f32(i32 0, i32 0, i8 0, float %result)
+ call void @llvm.dx.store.output.f32(i32 0, i32 0, i8 2, float %result)
+ ret void
+}
+attributes #0 = { "hlsl.shader"="pixel" }
+
+!dx.valver = !{!10}
+!10 = !{i32 1, i32 8}
+!dx.semantic.signatures = !{!0}
+!0 = !{ptr @main, !1, !2}
+!1 = !{!3}
+!2 = !{!6}
+!3 = !{i32 0, !"A", i32 9, i32 0, !7, i32 2, i32 1, i8 1, i32 0, i8 0, i8 0,
i8 0, i32 0}
+!6 = !{i32 0, !"SV_Target", i32 9, i32 16, !7, i32 0, i32 1, i8 4, i32 0, i8
0, i8 0, i8 0, i32 0}
+!7 = !{i32 0}
+
+; DXIL: call i32 @dx.op.viewID.i32(i32 138)
+
+; The state is the input and output scalar counts, the outputs depending on
+; the view ID (components 0 and 2), then one output mask per input scalar.
+; MD-DAG: !dx.viewIdState = !{![[STATE:[0-9]+]]}
+; MD-DAG: ![[STATE]] = !{[7 x i32] [i32 4, i32 4, i32 5, i32 5, i32 0, i32 0,
i32 0]}
+; MD-DAG: !{i32 0, i64 2097152}
+
+; PARTS: Name: SFI0
+; PARTS: ViewID: true
+; PARTS: Name: PSV0
+; PARTS: UsesViewID: 1
+; PARTS: OutputVectorMasks:
+; PARTS-NEXT: - [ 0x5 ]
+; PARTS: InputOutputMap:
+; PARTS-NEXT: - [ 0x5, 0x0, 0x0, 0x0 ]
----------------
joaosaffran wrote:
This seems to be the same case as
https://github.com/llvm/llvm-project/pull/236252#discussion_r4405652002
https://github.com/llvm/llvm-project/pull/236259
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