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Don't remove SPIR-V blocks before codegen.

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A removed block releases its instructions, so Module::idToInstruction
suddenly contains dangling references.  The original motivation for
block removal was to skip some unreachable blocks, but that's already
achieved by InReadableOrder.cpp.

Also updated stale comments.
This commit is contained in:
Dejan Mircevski
2016-01-19 21:13:38 -05:00
parent 33782795d9
commit ed55bcd9f8
17 changed files with 1233 additions and 1252 deletions
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10
Test/baseResults/spv.forwardFun.frag.out
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@@ -5,7 +5,7 @@ Linked fragment stage:
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 60
// Id's are bound by 61
Capability Shader
1: ExtInstImport "GLSL.std.450"
@@ -24,13 +24,13 @@ Linked fragment stage:
Name 27 "f"
Name 30 "gl_FragColor"
Name 36 "d"
Name 59 "bigColor"
Name 60 "bigColor"
Decorate 18(color) RelaxedPrecision
Decorate 20(BaseColor) RelaxedPrecision
Decorate 27(f) RelaxedPrecision
Decorate 30(gl_FragColor) RelaxedPrecision
Decorate 36(d) RelaxedPrecision
Decorate 59(bigColor) RelaxedPrecision
Decorate 60(bigColor) RelaxedPrecision
2: TypeVoid
3: TypeFunction 2
8: TypeFloat 32
@@ -52,8 +52,8 @@ Linked fragment stage:
49: TypeInt 32 0
50: 49(int) Constant 0
53: 49(int) Constant 1
58: TypePointer UniformConstant 12(fvec4)
59(bigColor): 58(ptr) Variable UniformConstant
59: TypePointer UniformConstant 12(fvec4)
60(bigColor): 59(ptr) Variable UniformConstant
4(main): 2 Function None 3
5: Label
18(color): 13(ptr) Variable Function