Sanitize debug source location tracking for implicit branch and return

This patch tries to attach debug location of a branch/return instruction to its predecessor or the closing brace. If none could be found, no debug info should be emitted.
2024-08-26 03:53:07 +00:00 · 2024-08-26 03:53:07 +00:00 · a496a34b43
commit a496a34b43
parent b1fac200c4
30 changed files with 4713 additions and 4253 deletions
--- a/Test/baseResults/spv.debugInfo.frag.out
+++ b/Test/baseResults/spv.debugInfo.frag.out
@ -297,6 +297,7 @@ void main()
                                Store 179 186
                                Branch 181
             181:             Label
+                              Line 1 83 0
                              Return
                              FunctionEnd
                              Line 1 16 13
@ -412,6 +413,7 @@ void main()
                                Store 90 96
                                Branch 92
              92:             Label
+                              Line 1 53 0
              97:   10(float) Load 90
                              Line 1 51 0
              98:   10(float) Load 56(result)