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HLSL Legalization: Add scalar replacement

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This allow for propagation through structs with dynamically indexed
arrays. This supports recent removal of non-io struct flattening.
This commit is contained in:
GregF 2017-12-21 10:55:57 -07:00
parent 3b2dc1a756
commit e0639287df
7 changed files with 33 additions and 57 deletions
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4
Test/baseLegalResults/hlsl.flattenSubset2.frag.out
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@ -20,10 +20,8 @@ WARNING: AST will form illegal SPIR-V; need to transform to legalize
Name 25 "B"
MemberName 25(B) 0 "n"
MemberName 25(B) 1 "tex"
Name 36 "someTex"
Name 49 "vpos"
Name 52 "@entryPointOutput"
Decorate 36(someTex) DescriptorSet 0
Decorate 49(vpos) Location 0
Decorate 52(@entryPointOutput) Location 0
2: TypeVoid
@ -34,8 +32,6 @@ WARNING: AST will form illegal SPIR-V; need to transform to legalize
14(Nested): TypeStruct 6(float) 13
15(A): TypeStruct 14(Nested) 6(float)
25(B): TypeStruct 14(Nested) 13
35: TypePointer UniformConstant 13
36(someTex): 35(ptr) Variable UniformConstant
43: 6(float) Constant 0
44: 7(fvec4) ConstantComposite 43 43 43 43
48: TypePointer Input 7(fvec4)