http://llvm.org/bugs/show_bug.cgi?id=8484
Summary: NEON compare absolute not being lowered
Product: libraries
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: ARM
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=5679)
--> (http://llvm.org/bugs/attachment.cgi?id=5679)
example
Compare absolute intrinsics, as defined in ARMInstrNEON.td (and
lowered by Clang), is not being converted to a NEON instruction in the
back-end, and silently becoming a function call to the LLVM intrinsic
(ex. "llvm.arm.neon.vacged.v2i32")
Compile example:
$ clang -ccc-host-triple armv7a-none-eabi -ccc-gcc-name arm-none-eabi-gcc
-mfloat-abi=hard -w -S abscomp.c -o - | grep llvm.arm.neon
Should show instructions, show calls to LLVM intrinsic.
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