https://llvm.org/bugs/show_bug.cgi?id=23259
Bug ID: 23259
Summary: Error during code selection with broadcast instruction
(AVX2) with optsize
Product: libraries
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: Backend: X86
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 14212
--> https://llvm.org/bugs/attachment.cgi?id=14212&action=edit
IR generated from a C++ test case using __builtin_shufflevector
The attached IR gets (with llc r235151):
LLVM ERROR: Cannot select: 0x502f8b0: v2i64 = X86ISD::VBROADCAST 0x502dec0
[ORD=7] [ID=18]
0x502dec0: i64,ch = load 0x4fd3100, 0x502f690, 0x502dfd0<LD8[ConstantPool]>
[ORD=7] [ID=16]
0x502f690: i64 = X86ISD::Wrapper 0x5030830 [ID=14]
0x5030830: i64 = TargetConstantPool<i64 1> 0 [ID=11]
0x502dfd0: i64 = undef [ID=4]
In function: _Z7test768Dv3_l
This was introduced with r218263.
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