81bc2c74c5
occasionally the first hop of a block would try to rearrange its registers (due to evicted throughs), resulting in the phi moves copying values into the wrong registers.
43 lines
1 KiB
C
43 lines
1 KiB
C
#ifndef BASICBLOCK_H
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#define BASICBLOCK_H
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struct phi
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{
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struct basicblock* prev; /* Predecessor that this phi is referring to */
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struct ir* ir; /* IR of variable definition */
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};
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struct basicblock
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{
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const char* name;
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ARRAYOF(struct em) ems;
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ARRAYOF(struct ir) irs;
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ARRAYOF(struct hop) hops;
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ARRAYOF(struct basicblock) prevs;
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ARRAYOF(struct basicblock) nexts;
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int order; /* used by dominance graph code */
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PMAPOF(struct vreg, struct phi) phis;
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/* Used by liveness calculation. */
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ARRAYOF(struct vreg) liveins;
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ARRAYOF(struct vreg) liveouts;
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/* Register assignments on entry and exit. */
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register_assignment_t regsin;
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register_assignment_t* regsout; /* points at regsout of the last insn. */
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bool is_fake : 1;
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bool is_root : 1;
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bool is_terminated : 1;
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};
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extern void bb_init(void);
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extern struct basicblock* bb_get(const char* name);
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extern void bb_alias(struct basicblock* block, const char* name);
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#endif
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/* vim: set sw=4 ts=4 expandtab : */
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