22.1.4 clang fails with Cannot select ... when building eigen/test/packetmath_generic_16.cpp from Eigen.
void packetmath<std::complex<float>, Eigen::internal::complex_packet_wrapper<float, 2>>()
Crash dumped these outputs:
Error output:
LLVM ERROR: Cannot select: t3: f64 = bitcast t2
t2: v2i32,ch = CopyFromReg t0, Register:v2i32 %1
In function: f
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/
Stack dump:
0. Program arguments: llc -mtriple=hexagon -mcpu=hexagonv68 -O3 packetmath_reduced.ll
1. Running pass 'Function Pass Manager' on module 'packetmath_reduced.ll'.
2. Running pass 'Hexagon DAG->DAG Pattern Instruction Selection' on function '@f'
Reduced via llvm-reduce to:
llc -mtriple=hexagon -mcpu=hexagonv68 -O3 packetmath_reduced.ll -o /dev/null
target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048"
target triple = "hexagon-unknown-linux-musl"
define <2 x i1> @f(<4 x i32> %and.i149.i.i) {
entry:
%0 = bitcast <4 x i32> %and.i149.i.i to <2 x double>
%cmp.i.i159.i.i = fcmp une <2 x double> %0, zeroinitializer
ret <2 x i1> %cmp.i.i159.i.i
}Likely introduced in f97fdf5.
Potential fix: 0001-Hexagon-Add-missing-bitcast-patterns-between-float-a.patch.txt
22.1.4 clang fails with
Cannot select ...when buildingeigen/test/packetmath_generic_16.cppfrom Eigen.Crash dumped these outputs:
Error output:
Reduced via llvm-reduce to:
Likely introduced in f97fdf5.
Potential fix: 0001-Hexagon-Add-missing-bitcast-patterns-between-float-a.patch.txt