http://llvm.org/bugs/show_bug.cgi?id=17881
Bug ID: 17881
Summary: srem/urem i64 for ARM aeabi generates __moddi3 instead
of __aeabi_ldivmod
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 11516
--> http://llvm.org/bugs/attachment.cgi?id=11516&action=edit
test case
For the attached .ll test case,
llc -mtriple armv8-eabi < mod.ll
should generate __aeabi_ldivmod instead of __moddi3. i32 srem/urem is correct
though.
The cause is when data type is i64, LegalizeInterTypes first directly
converts them to calls to RTLIB::SREM_I64(__moddi3) or
RTLIB::UREM_I64(__umoddi3).
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