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Add a "colocated" flag to symbol references. (#298)

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This adds a "colocated" flag to function and symbolic global variables which
indicates that they are defined along with the current function, so they can
use PC-relative addressing.

This also changes the function decl syntax; the name now always precedes the
signature, and the "function" keyword is no longer included.
This commit is contained in:
Dan Gohman
2018-04-13 15:00:09 -07:00
committed by GitHub
parent 645fa3e858
commit 0e57f3d0ea
46 changed files with 312 additions and 164 deletions
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8
cranelift/filetests/regalloc/coalescing-207.cton
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@@ -11,9 +11,9 @@ function %pr207(i64 vmctx, i32, i32) -> i32 system_v {
sig0 = (i64 vmctx, i32, i32) -> i32 system_v
sig1 = (i64 vmctx, i32, i32, i32) -> i32 system_v
sig2 = (i64 vmctx, i32, i32, i32) -> i32 system_v
fn0 = sig0 u0:2
fn1 = sig1 u0:0
fn2 = sig2 u0:1
fn0 = u0:2 sig0
fn1 = u0:0 sig1
fn2 = u0:1 sig2
ebb0(v0: i64, v1: i32, v2: i32):
v3 = iconst.i32 0
@@ -1038,7 +1038,7 @@ function %musl(f64 [%xmm0], i64 vmctx [%rdi]) -> f64 [%xmm0] system_v {
gv0 = vmctx
heap0 = static gv0, min 0, bound 0x0001_0000_0000, guard 0x8000_0000
sig0 = (f64 [%xmm0], i32 [%rdi], i64 vmctx [%rsi]) -> f64 [%xmm0] system_v
fn0 = sig0 u0:517
fn0 = u0:517 sig0
ebb0(v0: f64, v1: i64):
v3 = iconst.i64 0