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trans: Eliminated redundant allocations.

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This commit is contained in:
Kang Seonghoon 2014-11-30 18:52:44 +09:00
parent 989f906af3
commit 133266f01c
1 changed files with 9 additions and 13 deletions
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22
src/librustc_trans/trans/asm.rs
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@ -77,20 +77,16 @@ pub fn trans_inline_asm<'blk, 'tcx>(bcx: Block<'blk, 'tcx>, ia: &ast::InlineAsm)
// no failure occurred preparing operands, no need to cleanup
fcx.pop_custom_cleanup_scope(temp_scope);
let mut constraints =
String::from_str(constraints.iter()
.map(|s| s.get().to_string())
.chain(ext_constraints.into_iter())
.collect::<Vec<String>>()
.connect(",")
.as_slice());
let mut constraints = constraints.iter()
.map(|s| s.get().to_string())
.chain(ext_constraints.into_iter())
.collect::<Vec<String>>()
.connect(",");
let mut clobbers =
String::from_str(ia.clobbers.iter()
.map(|s| format!("~{{{}}}", s.get()))
.collect::<Vec<String>>()
.connect(",")
.as_slice());
let mut clobbers = ia.clobbers.iter()
.map(|s| format!("~{{{}}}", s.get()))
.collect::<Vec<String>>()
.connect(",");
let more_clobbers = get_clobbers();
if !more_clobbers.is_empty() {
if !clobbers.is_empty() {