https://llvm.org/bugs/show_bug.cgi?id=23361
Bug ID: 23361
Summary: [AVX512] Cannot select v16i1 = select
Product: new-bugs
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 14259
--> https://llvm.org/bugs/attachment.cgi?id=14259&action=edit
test case
With the attached test case, if I run "llc -mcpu=knl bug.ll", I get the
following output:
LLVM ERROR: Cannot select: 0x7f84c0892ca0: v16i1 = select 0x7f84c08cfd70,
0x7f84c08975b0, 0x7f84c08995b0 [ORD=4] [ID=44]
0x7f84c08cfd70: i1 = truncate 0x7f84c0892420 [ORD=3] [ID=41]
0x7f84c0892420: i8 = X86ISD::SETCC 0x7f84c08d0600, 0x7f84c08d1a40 [ORD=3]
[ID=39]
0x7f84c08d0600: i8 = Constant<4> [ID=22]
0x7f84c08d1a40: i32 = X86ISD::CMP 0x7f84c08d0f90, 0x7f84c08d1820 [ORD=3]
[ID=37]
0x7f84c08d0f90: i16,ch = CopyFromReg 0x7f84c0439030, 0x7f84c08d0930
[ORD=3] [ID=26]
0x7f84c08d0930: i16 = Register %vreg31 [ID=2]
0x7f84c08d1820: i16 = Constant<0> [ID=3]
0x7f84c08975b0: v16i1 = BUILD_VECTOR 0x7f84c08d0820, 0x7f84c08d0820,
0x7f84c08d0820, 0x7f84c08d0820, 0x7f84c08d0820, 0x7f84c08d0820, 0x7f84c08d0820,
0x7f84c08d0820, 0x7f84c08d0820, 0x7f84c08d0820, 0x7f84c08d0820, 0x7f84c08d0820,
0x7f84c08d0820, 0x7f84c08d0820, 0x7f84c08d0820, 0x7f84c08d0820 [ORD=4] [ID=36]
0x7f84c08d0820: i1 = TargetConstant<0> [ID=25]
0x7f84c08d0820: i1 = TargetConstant<0> [ID=25]
0x7f84c08d0820: i1 = TargetConstant<0> [ID=25]
0x7f84c08d0820: i1 = TargetConstant<0> [ID=25]
0x7f84c08d0820: i1 = TargetConstant<0> [ID=25]
0x7f84c08d0820: i1 = TargetConstant<0> [ID=25]
0x7f84c08d0820: i1 = TargetConstant<0> [ID=25]
0x7f84c08d0820: i1 = TargetConstant<0> [ID=25]
0x7f84c08d0820: i1 = TargetConstant<0> [ID=25]
0x7f84c08d0820: i1 = TargetConstant<0> [ID=25]
0x7f84c08d0820: i1 = TargetConstant<0> [ID=25]
0x7f84c08d0820: i1 = TargetConstant<0> [ID=25]
0x7f84c08d0820: i1 = TargetConstant<0> [ID=25]
0x7f84c08d0820: i1 = TargetConstant<0> [ID=25]
0x7f84c08d0820: i1 = TargetConstant<0> [ID=25]
0x7f84c08d0820: i1 = TargetConstant<0> [ID=25]
0x7f84c08995b0: v16i1,ch = CopyFromReg 0x7f84c0439030, 0x7f84c0899390 [ORD=4]
[ID=27]
0x7f84c0899390: v16i1 = Register %vreg30 [ID=4]
In function:
volume_tile___uniuniuniuniun_3C_unf_3E_un_3C_uni_3E_un_3C_Cunf_5B_4_5D__3E_un_3C_Cunf_5B_4_5D__3E_uniuniun_3C_unf_3E_
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