http://llvm.org/bugs/show_bug.cgi?id=21529
Bug ID: 21529
Summary: Inefficient encoding when using direct object emission
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: MC
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
given
define void @f() {
%foo = alloca i8, align 32
ret void
}
we produce
48 81 e4 e0 ff ff ff andq $-32, %rsp
when using direct object emission from llc
and
48 83 e4 e0 andq $-32, %rsp
if printing assembly and reading it back in with llvm-mc
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