http://llvm.org/bugs/show_bug.cgi?id=19905
Bug ID: 19905
Summary: [x86-64] Incorrect values for spill locations for
callee saved registers
Product: new-bugs
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 12582
--> http://llvm.org/bugs/attachment.cgi?id=12582&action=edit
Full llc output
If I run the the following program through llc
declare void @llvm.eh.unwind.init()
define coldcc void @calls_unwind_init() {
call void @llvm.eh.unwind.init()
ret void
}
I get incorrect .cfi directives for the spill locations for CSR registers. Eg.
I see
.cfi_offset %rbx, -384
when, from manually inspecting the generated assembly, it should be
.cfi_offset %rbx, -120
(I've attached the full output)
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