llvm/test/CodeGen/X86/pr15267.ll
Michael Liao eedff3547d Fix PR15267
- When extloading from a vector with non-byte-addressable element, e.g.
  <4 x i1>, the current logic breaks. Extend the current logic to
  fix the case where the element type is not byte-addressable by loading
  all bytes, bit-extracting/packing each element.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175642 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-20 18:04:21 +00:00

67 lines
1.2 KiB
LLVM

; RUN: llc < %s -mtriple=x86_64-pc-linux -mcpu=corei7-avx | FileCheck %s
define <4 x i3> @test1(<4 x i3>* %in) nounwind {
%ret = load <4 x i3>* %in, align 1
ret <4 x i3> %ret
}
; CHECK: test1
; CHECK: movzwl
; CHECK: shrl $3
; CHECK: andl $7
; CHECK: andl $7
; CHECK: vmovd
; CHECK: pinsrd $1
; CHECK: shrl $6
; CHECK: andl $7
; CHECK: pinsrd $2
; CHECK: shrl $9
; CHECK: andl $7
; CHECK: pinsrd $3
; CHECK: ret
define <4 x i1> @test2(<4 x i1>* %in) nounwind {
%ret = load <4 x i1>* %in, align 1
ret <4 x i1> %ret
}
; CHECK: test2
; CHECK: movzbl
; CHECK: shrl
; CHECK: andl $1
; CHECK: andl $1
; CHECK: vmovd
; CHECK: pinsrd $1
; CHECK: shrl $2
; CHECK: andl $1
; CHECK: pinsrd $2
; CHECK: shrl $3
; CHECK: andl $1
; CHECK: pinsrd $3
; CHECK: ret
define <4 x i64> @test3(<4 x i1>* %in) nounwind {
%wide.load35 = load <4 x i1>* %in, align 1
%sext = sext <4 x i1> %wide.load35 to <4 x i64>
ret <4 x i64> %sext
}
; CHECK: test3
; CHECK: movzbl
; CHECK: shrl
; CHECK: andl $1
; CHECK: andl $1
; CHECK: vmovd
; CHECK: pinsrd $1
; CHECK: shrl $2
; CHECK: andl $1
; CHECK: pinsrd $2
; CHECK: shrl $3
; CHECK: andl $1
; CHECK: pinsrd $3
; CHECK: pslld
; CHECK: psrad
; CHECK: pmovsxdq
; CHECK: pmovsxdq
; CHECK: ret