https://llvm.org/bugs/show_bug.cgi?id=27588
Bug ID: 27588
Summary: [AVX-512/KNL] Cannot select v16f32 = X86ISD::FMAXC
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: X86
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 16287
--> https://llvm.org/bugs/attachment.cgi?id=16287&action=edit
bugpoint reduced test case
The following IR, bugpoint reduced from the test-suite's TSVC benchmark, fails
instruction selection when targeting AVX-512 (knl).
LLVM ERROR: Cannot select: 0x46ca590: v16f32 = X86ISD::FMAXC undef:v16f32,
undef:v16f32
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