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Reorganize the global value kinds. (#490)

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* Reorganize the global value kinds.

This:
 - renames "deref" global values to "load" and gives it a offset that works
   like the "load" instructions' does
 - adds an explicit "iadd_imm" global value kind, which replaces the
   builtin iadd in "vmctx" and "deref" global values.
 - also renames "globalsym" to "symbol"
This commit is contained in:
Dan Gohman
2018-09-04 21:09:04 -07:00
committed by GitHub
parent 59b83912ba
commit ca9da7702e
30 changed files with 467 additions and 320 deletions
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3
cranelift/filetests/regalloc/reload-208.clif
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@@ -11,7 +11,8 @@ target x86_64 haswell
; The problem was the reload pass rewriting EBB arguments on "brnz v9, ebb3(v9)"
function %pr208(i64 vmctx [%rdi]) system_v {
gv0 = vmctx-8
gv1 = vmctx
gv0 = iadd_imm.i64 gv1, -8
heap0 = static gv0, min 0, bound 0x5000, guard 0x0040_0000
sig0 = (i64 vmctx [%rdi]) -> i32 [%rax] system_v
sig1 = (i64 vmctx [%rdi], i32 [%rsi]) system_v