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rustc_codegen_ssa: append blocks to functions w/o creating a builder.

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This commit is contained in:
Eduard-Mihai Burtescu 2021-05-06 18:57:04 +03:00
parent 402e9efc56
commit 0fcaf11455
7 changed files with 54 additions and 38 deletions
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5
compiler/rustc_codegen_ssa/src/mir/mod.rs
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@ -144,7 +144,8 @@ pub fn codegen_mir<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
let debug_context = cx.create_function_debug_context(instance, &fn_abi, llfn, &mir);
let mut bx = Bx::new_block(cx, llfn, "start");
let start_llbb = Bx::append_block(cx, llfn, "start");
let mut bx = Bx::build(cx, start_llbb);
if mir.basic_blocks().iter().any(|bb| bb.is_cleanup) {
bx.set_personality_fn(cx.eh_personality());
@ -159,7 +160,7 @@ pub fn codegen_mir<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
.indices()
.map(|bb| {
if bb == mir::START_BLOCK && !reentrant_start_block {
Some(bx.llbb())
Some(start_llbb)
} else {
None
}