https://bugs.llvm.org/show_bug.cgi?id=48322
Bug ID: 48322
Summary: Compilation failure of MSAN-instrumented
_mm512_shuffle_ps
Product: libraries
Version: trunk
Hardware: PC
URL: https://github.com/rust-lang/stdarch/issues/957
OS: Linux
Status: NEW
Keywords: Sanitizer
Severity: normal
Priority: P
Component: Backend: X86
Assignee: unassignedb...@nondot.org
Reporter: g2p.c...@gmail.com
CC: craig.top...@gmail.com, llvm-bugs@lists.llvm.org,
llvm-...@redking.me.uk, pengfei.w...@intel.com,
spatel+l...@rotateright.com
Report via
https://github.com/rust-lang/stdarch/issues/957#issuecomment-735223507
#include <immintrin.h>
__m512 test_mm512_shuffle_ps(__m512 __M, __m512 __V) {
return _mm512_shuffle_ps(__M, __V, 78);
}
$ clang -cc1 -target-feature +avx512f -ffreestanding -triple
x86_64-unknown-linux-gnu -x c a.c -internal-isystem
/usr/lib64/clang/11.0.0/include -S -emit-obj -fsanitize=memory
clang: llvm/lib/Target/X86/X86ISelLowering.cpp:12493: llvm::SDValue
lowerShuffleAsByteRotate(const llvm::SDLoc&, llvm::MVT, llvm::SDValue,
llvm::SDValue, llvm::ArrayRef<int>, const llvm::X86Subtarget&,
llvm::SelectionDAG&): Assertion `(!VT.is512BitVector() || Subtarget.hasBWI())
&& "512-bit PALIGNR requires BWI instructions"' failed.
Reduced:
; ModuleID = 'a.c'
source_filename = "a.c"
target datalayout =
"e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; Function Attrs: norecurse nounwind readnone
define <16 x i32> @shuffle(<16 x i32> %a, <16 x i32> %b) local_unnamed_addr #0
{
entry:
%c = shufflevector <16 x i32> %a, <16 x i32> %b, <16 x i32> <i32 2, i32 3,
i32 16, i32 17, i32 6, i32 7, i32 20, i32 21, i32 10, i32 11, i32 24, i32 25,
i32 14, i32 15, i32 28, i32 29>
ret <16 x i32> %c
}
attributes #0 = { norecurse nounwind readnone "disable-tail-calls"="false"
"frame-pointer"="none" "less-precise-fpmad"="false"
"min-legal-vector-width"="512" "no-builtins" "no-infs-fp-math"="false"
"no-jump-tables"="false" "no-nans-fp-math"="false"
"no-signed-zeros-fp-math"="false" "no-trapping-math"="true"
"stack-protector-buffer-size"="8"
"target-features"="+avx,+avx2,+avx512f,+cx8,+f16c,+fma,+mmx,+popcnt,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave"
"unsafe-fp-math"="false" "use-soft-float"="false" }
!llvm.module.flags = !{!0}
!llvm.ident = !{!1}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{!"clang version 12.0.0 (https://github.com/llvm/llvm-project
530c69e90964444bc916d38b337105ab44f0961b)"}
$ llc a.ll
llc: llvm/lib/Target/X86/X86ISelLowering.cpp:12493: llvm::SDValue
lowerShuffleAsByteRotate(const llvm::SDLoc&, llvm::MVT, llvm::SDValue,
llvm::SDValue, llvm::ArrayRef<int>, const llvm::X86Subtarget&,
llvm::SelectionDAG&): Assertion `(!VT.is512BitVector() || Subtarget.hasBWI())
&& "512-bit PALIGNR requires BWI instructions"' failed.
--
You are receiving this mail because:
You are on the CC list for the bug._______________________________________________
llvm-bugs mailing list
llvm-bugs@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
