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Stop translating a block when a sub-statement terminates the llvm bb.

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This commit is contained in:
Graydon Hoare 2010-11-12 10:15:40 -08:00
parent c3bc88a325
commit 1ff88982fe
1 changed files with 5 additions and 0 deletions
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5
src/comp/middle/trans.rs
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@ -1131,6 +1131,11 @@ impure fn trans_block(@block_ctxt cx, &ast.block b) -> result {
for (@ast.stmt s in b.node.stmts) { for (@ast.stmt s in b.node.stmts) {
r = trans_stmt(bcx, *s); r = trans_stmt(bcx, *s);
bcx = r.bcx; bcx = r.bcx;
// If we hit a terminator, control won't go any further so
// we're in dead-code land. Stop here.
if (is_terminated(bcx)) {
ret r;
}
} }
bcx = trans_block_cleanups(bcx); bcx = trans_block_cleanups(bcx);