BeeEngine/glslang-zig
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

SPV return from main: Simplify a legacy design such returns are not jumps to exit block.

Browse source 
Structured control-flow rules allow leaving the middle of a construct through
a return, but not through a jump to a block that does a return.

Addresses issue #58.
This commit is contained in:
John Kessenich 2015-09-14 20:58:02 -06:00
parent 5f5b205ce9
commit e770b3e6cf
74 changed files with 9648 additions and 9816 deletions
Download patch file Download diff file Expand all files Collapse all files

136
Test/baseResults/spv.while-continue-break.vert.out
View file

@ -5,7 +5,7 @@ Linked vertex stage:
// Module Version 99
// Generated by (magic number): 51a00bb
// Id's are bound by 43
// Id's are bound by 42
Source ESSL 300
Capability Shader
@ -13,78 +13,76 @@ Linked vertex stage:
MemoryModel Logical GLSL450
EntryPoint Vertex 4 "main"
Name 4 "main"
Name 9 "i"
Name 18 "A"
Name 26 "B"
Name 28 "C"
Name 38 "D"
Name 41 "gl_VertexID"
Name 42 "gl_InstanceID"
Decorate 41(gl_VertexID) BuiltIn VertexId
Decorate 41(gl_VertexID) NoStaticUse
Decorate 42(gl_InstanceID) BuiltIn InstanceId
Decorate 42(gl_InstanceID) NoStaticUse
Name 8 "i"
Name 17 "A"
Name 25 "B"
Name 27 "C"
Name 37 "D"
Name 40 "gl_VertexID"
Name 41 "gl_InstanceID"
Decorate 40(gl_VertexID) BuiltIn VertexId
Decorate 40(gl_VertexID) NoStaticUse
Decorate 41(gl_InstanceID) BuiltIn InstanceId
Decorate 41(gl_InstanceID) NoStaticUse
2: TypeVoid
3: TypeFunction 2
7: TypeInt 32 1
8: TypePointer Function 7(int)
10: 7(int) Constant 0
15: 7(int) Constant 10
16: TypeBool
19: 7(int) Constant 1
21: 7(int) Constant 2
30: 7(int) Constant 5
39: 7(int) Constant 3
40: TypePointer Input 7(int)
41(gl_VertexID): 40(ptr) Variable Input
42(gl_InstanceID): 40(ptr) Variable Input
6: TypeInt 32 1
7: TypePointer Function 6(int)
9: 6(int) Constant 0
14: 6(int) Constant 10
15: TypeBool
18: 6(int) Constant 1
20: 6(int) Constant 2
29: 6(int) Constant 5
38: 6(int) Constant 3
39: TypePointer Input 6(int)
40(gl_VertexID): 39(ptr) Variable Input
41(gl_InstanceID): 39(ptr) Variable Input
4(main): 2 Function None 3
5: Label
9(i): 8(ptr) Variable Function
18(A): 8(ptr) Variable Function
26(B): 8(ptr) Variable Function
28(C): 8(ptr) Variable Function
38(D): 8(ptr) Variable Function
Store 9(i) 10
Branch 11
11: Label
14: 7(int) Load 9(i)
17: 16(bool) SLessThan 14 15
LoopMerge 12 None
BranchConditional 17 13 12
13: Label
Store 18(A) 19
20: 7(int) Load 9(i)
22: 7(int) SMod 20 21
23: 16(bool) IEqual 22 10
SelectionMerge 25 None
BranchConditional 23 24 25
24: Label
Store 26(B) 21
8(i): 7(ptr) Variable Function
17(A): 7(ptr) Variable Function
25(B): 7(ptr) Variable Function
27(C): 7(ptr) Variable Function
37(D): 7(ptr) Variable Function
Store 8(i) 9
Branch 10
10: Label
13: 6(int) Load 8(i)
16: 15(bool) SLessThan 13 14
LoopMerge 11 None
BranchConditional 16 12 11
12: Label
Store 17(A) 18
19: 6(int) Load 8(i)
21: 6(int) SMod 19 20
22: 15(bool) IEqual 21 9
SelectionMerge 24 None
BranchConditional 22 23 24
23: Label
Store 25(B) 20
Branch 10
26: Label
Store 27(C) 20
Branch 24
24: Label
28: 6(int) Load 8(i)
30: 6(int) SMod 28 29
31: 15(bool) IEqual 30 9
SelectionMerge 33 None
BranchConditional 31 32 33
32: Label
Store 25(B) 20
Branch 11
27: Label
Store 28(C) 21
Branch 25
25: Label
29: 7(int) Load 9(i)
31: 7(int) SMod 29 30
32: 16(bool) IEqual 31 10
SelectionMerge 34 None
BranchConditional 32 33 34
33: Label
Store 26(B) 21
Branch 12
35: Label
Store 28(C) 21
Branch 34
34: Label
36: 7(int) Load 9(i)
37: 7(int) IAdd 36 19
Store 9(i) 37
Branch 11
12: Label
Store 38(D) 39
Branch 6
6: Label
34: Label
Store 27(C) 20
Branch 33
33: Label
35: 6(int) Load 8(i)
36: 6(int) IAdd 35 18
Store 8(i) 36
Branch 10
11: Label
Store 37(D) 38
Return
FunctionEnd