https://llvm.org/bugs/show_bug.cgi?id=30378
Bug ID: 30378
Summary: ARM/Windows calls to unavailable function __moddi3
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Backend: ARM
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 17260
--> https://llvm.org/bugs/attachment.cgi?id=17260&action=edit
Sample input data
When targeting ARM/Windows, 32 bit remainder operations get mapped to __rt_sdiv
+ mls properly, but 64 bit operations end up as calls to __moddi3, which
doesn't exist in the MSVC builtins library.
The attached sample data shows how it behaves for these operations (built with
"llc -mtriple thumbv7-windows rem64.ll -o -").
One attempt at solving this has been made in https://reviews.llvm.org/D24076.
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