mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2026-04-27 04:18:42 +00:00
Pawel Bylica
c0b7f693ce
Summary: This patch correctly handles undef case of EXTRACT_VECTOR_ELT node where the element index is constant and not less than vector size. Test Plan: CodeGen for X86 test included. Also one incorrect regression test fixed. Reviewers: qcolombet, chandlerc, hfinkel Reviewed By: hfinkel Subscribers: hfinkel, llvm-commits Differential Revision: http://reviews.llvm.org/D9250 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236584 91177308-0d34-0410-b5e6-96231b3b80d8
51 lines
1.4 KiB
LLVM
51 lines
1.4 KiB
LLVM
; RUN: llc < %s -march=x86-64 | FileCheck %s -check-prefix=X64
|
|
; RUN: llc < %s -march=x86-64 -mattr=+avx | FileCheck %s -check-prefix=AVX
|
|
|
|
|
|
; CHECK-LABEL: extractelement_index_1:
|
|
define i8 @extractelement_index_1(<32 x i8> %a) nounwind {
|
|
; X64: movaps
|
|
; AVX: vpextrb $1
|
|
%b = extractelement <32 x i8> %a, i256 1
|
|
ret i8 %b
|
|
}
|
|
|
|
; CHECK-LABEL: extractelement_index_2:
|
|
define i32 @extractelement_index_2(<8 x i32> %a) nounwind {
|
|
; X64: pshufd
|
|
; AVX: vextractf128 $1
|
|
; AVX-NEXT: vpextrd $3
|
|
%b = extractelement <8 x i32> %a, i64 7
|
|
ret i32 %b
|
|
}
|
|
|
|
; CHECK-LABEL: extractelement_index_3:
|
|
define i32 @extractelement_index_3(<8 x i32> %a) nounwind {
|
|
; CHECK-NOT: pextr
|
|
%b = extractelement <8 x i32> %a, i64 15
|
|
ret i32 %b
|
|
}
|
|
|
|
; CHECK-LABEL: extractelement_index_4:
|
|
define i32 @extractelement_index_4(<8 x i32> %a) nounwind {
|
|
; X64: movd
|
|
; AVX: vextractf128 $1
|
|
; AVX-NEXT: vmovd
|
|
%b = extractelement <8 x i32> %a, i256 4
|
|
ret i32 %b
|
|
}
|
|
|
|
; CHECK-LABEL: extractelement_index_5:
|
|
define i8 @extractelement_index_5(<32 x i8> %a, i256 %i) nounwind {
|
|
; X64: movaps
|
|
; AVX: vmovaps
|
|
%b = extractelement <32 x i8> %a, i256 %i
|
|
ret i8 %b
|
|
}
|
|
|
|
; CHECK-LABEL: extractelement_index_6:
|
|
define i8 @extractelement_index_6(<32 x i8> %a) nounwind {
|
|
; CHECK-NOT: pextr
|
|
%b = extractelement <32 x i8> %a, i256 -1
|
|
ret i8 %b
|
|
} |