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glslang -> SPV: 1) Include post switch-break unreachable blocks and 2) Generally, don't emit degenerate (basically empty) unreachable blocks.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31023 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2015-05-03 22:38:16 +00:00
parent 968c8f8e78
commit 735a2efa70
4 changed files with 58 additions and 42 deletions
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76
Test/baseResults/switch.frag.out
View file

@ -17,7 +17,7 @@ ERROR: 0:120: 'default' : cannot appear outside switch statement
ERROR: 0:126: 'onlyInSwitch' : undeclared identifier
WARNING: 0:128: 'switch' : last case/default label not followed by statements
ERROR: 0:140: 'nestedX' : undeclared identifier
ERROR: 0:156: 'nestedZ' : undeclared identifier
ERROR: 0:157: 'nestedZ' : undeclared identifier
ERROR: 17 compilation errors. No code generated.
@ -322,27 +322,28 @@ ERROR: node is still EOpNull!
0:144 3 (const int)
0:? Sequence
0:146 Branch: Break
0:147 case: with expression
0:147 Constant:
0:147 4 (const int)
0:147 Branch: Break
0:148 case: with expression
0:148 Constant:
0:148 4 (const int)
0:? Sequence
0:148 Sequence
0:148 move second child to first child (temp mediump int)
0:148 'linearY' (temp mediump int)
0:148 'linearZ' (temp mediump int)
0:149 Branch: Break
0:150 case: with expression
0:150 Constant:
0:150 5 (const int)
0:? Sequence
0:152 Branch: Break
0:153 case: with expression
0:153 Constant:
0:153 6 (const int)
0:149 Sequence
0:149 move second child to first child (temp mediump int)
0:149 'linearY' (temp mediump int)
0:149 'linearZ' (temp mediump int)
0:150 Branch: Break
0:151 case: with expression
0:151 Constant:
0:151 5 (const int)
0:? Sequence
0:153 Branch: Break
0:154 case: with expression
0:154 Constant:
0:154 4 (const int)
0:156 'nestedZ' (temp float)
0:154 6 (const int)
0:? Sequence
0:155 Constant:
0:155 4 (const int)
0:157 'nestedZ' (temp float)
0:? Linker Objects
0:? 'c' (uniform mediump int)
0:? 'd' (uniform mediump int)
@ -653,27 +654,28 @@ ERROR: node is still EOpNull!
0:144 3 (const int)
0:? Sequence
0:146 Branch: Break
0:147 case: with expression
0:147 Constant:
0:147 4 (const int)
0:147 Branch: Break
0:148 case: with expression
0:148 Constant:
0:148 4 (const int)
0:? Sequence
0:148 Sequence
0:148 move second child to first child (temp mediump int)
0:148 'linearY' (temp mediump int)
0:148 'linearZ' (temp mediump int)
0:149 Branch: Break
0:150 case: with expression
0:150 Constant:
0:150 5 (const int)
0:? Sequence
0:152 Branch: Break
0:153 case: with expression
0:153 Constant:
0:153 6 (const int)
0:149 Sequence
0:149 move second child to first child (temp mediump int)
0:149 'linearY' (temp mediump int)
0:149 'linearZ' (temp mediump int)
0:150 Branch: Break
0:151 case: with expression
0:151 Constant:
0:151 5 (const int)
0:? Sequence
0:153 Branch: Break
0:154 case: with expression
0:154 Constant:
0:154 4 (const int)
0:156 'nestedZ' (temp float)
0:154 6 (const int)
0:? Sequence
0:155 Constant:
0:155 4 (const int)
0:157 'nestedZ' (temp float)
0:? Linker Objects
0:? 'c' (uniform mediump int)
0:? 'd' (uniform mediump int)

1
Test/switch.frag
View file

@ -144,6 +144,7 @@ void main()
case 3:
int linearZ;
break;
break;
case 4:
int linearY = linearZ;
break;