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scoped memory management (#14790)

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* fixes the regressions
* closes #13936
* scope based memory management implemented
* enabled tcontrolflow.nim test case
* final cleanups
This commit is contained in:
Andreas Rumpf 2020-07-04 07:37:24 +02:00 • committed by GitHub
commit 1854d29781
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17 changed files with 611 additions and 477 deletions
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6
compiler/cgen.nim
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@ -1561,7 +1561,7 @@ proc registerModuleToMain(g: BModuleList; m: BModule) =
if sfSystemModule in m.module.flags:
if emulatedThreadVars(m.config) and m.config.target.targetOS != osStandalone:
g.mainDatInit.add(ropecg(m, "\t#initThreadVarsEmulation();$N", []))
if m.config.target.targetOS != osStandalone and m.config.selectedGC != gcNone:
if m.config.target.targetOS != osStandalone and m.config.selectedGC notin {gcNone, gcArc, gcOrc}:
g.mainDatInit.add(ropecg(m, "\t#initStackBottomWith((void *)&inner);$N", []))
if m.s[cfsInitProc].len > 0:
@ -1666,6 +1666,10 @@ proc genInitCode(m: BModule) =
writeSection(preInitProc, cpsInit, m.hcrOn)
writeSection(preInitProc, cpsStmts)
prc.addf("}$N", [])
when false:
m.initProc.blocks[0].sections[cpsLocals].add m.preInitProc.s(cpsLocals)
m.initProc.blocks[0].sections[cpsInit].prepend m.preInitProc.s(cpsInit)
m.initProc.blocks[0].sections[cpsStmts].prepend m.preInitProc.s(cpsStmts)
# add new scope for following code, because old vcc compiler need variable
# be defined at the top of the block