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Remapper: remove debug info for IDs stripped in other passes

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If some DCE is performed such as removing dead functions, then even
if we are NOT stripping debug info, we still must remove the debug
opcodes that refer to the now-dead IDs.

Also, this adds a small change to perform no ID remapping if none
is requested, making spirv-remap properly be a no-op if no options
are given.
This commit is contained in:
steve-lunarg
2016-12-09 11:13:23 -07:00
parent 906cc21816
commit 297754cfe8
11 changed files with 246 additions and 219 deletions
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29
Test/baseResults/remap.basic.dcefunc.frag.out
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@@ -3,34 +3,33 @@ Warning, version 450 is not yet complete; most version-specific features are pre
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 19
// Id's are bound by 22
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Fragment 4 "main" 14 16
EntryPoint Fragment 4 "main" 17 19
ExecutionMode 4 OriginUpperLeft
Source GLSL 450
Name 4 "main"
Name 9 "dead_fn("
Name 14 "outf4"
Name 16 "inf"
Name 17 "outf4"
Name 19 "inf"
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeVector 6(float) 3
8: TypeFunction 7(fvec3)
10: 6(float) Constant 0
11: 7(fvec3) ConstantComposite 10 10 10
12: TypeVector 6(float) 4
13: TypePointer Output 12(fvec4)
14(outf4): 13(ptr) Variable Output
15: TypePointer Input 6(float)
16(inf): 15(ptr) Variable Input
11: 6(float) Constant 0
12: 7(fvec3) ConstantComposite 11 11 11
15: TypeVector 6(float) 4
16: TypePointer Output 15(fvec4)
17(outf4): 16(ptr) Variable Output
18: TypePointer Input 6(float)
19(inf): 18(ptr) Variable Input
4(main): 2 Function None 3
5: Label
17: 6(float) Load 16(inf)
18: 12(fvec4) CompositeConstruct 17 17 17 17
Store 14(outf4) 18
20: 6(float) Load 19(inf)
21: 15(fvec4) CompositeConstruct 20 20 20 20
Store 17(outf4) 21
Return
FunctionEnd