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llvm-mirror/test/CodeGen/X86/vector-gep.ll
Craig Topper 0663a19f9d Recommit r367901 "[X86] Enable -x86-experimental-vector-widening-legalization by default."
The assert that caused this to be reverted should be fixed now.

Original commit message:

This patch changes our defualt legalization behavior for 16, 32, and
64 bit vectors with i8/i16/i32/i64 scalar types from promotion to
widening. For example, v8i8 will now be widened to v16i8 instead of
promoted to v8i16. This keeps the elements widths the same and pads
with undef elements. We believe this is a better legalization strategy.
But it carries some issues due to the fragmented vector ISA. For
example, i8 shifts and multiplies get widened and then later have
to be promoted/split into vXi16 vectors.

This has the potential to cause regressions so we wanted to get
it in early in the 10.0 cycle so we have plenty of time to
address them.

Next steps will be to merge tests that explicitly test the command
line option. And then we can remove the option and its associated
code.

llvm-svn: 368183
2019-08-07 16:24:26 +00:00

214 lines
8.2 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-linux -mcpu=corei7-avx | FileCheck %s
; RUN: opt -instsimplify -disable-output < %s
define <4 x i32*> @AGEP0(i32* %ptr) nounwind {
; CHECK-LABEL: AGEP0:
; CHECK: # %bb.0:
; CHECK-NEXT: vbroadcastss {{[0-9]+}}(%esp), %xmm0
; CHECK-NEXT: vpaddd {{\.LCPI.*}}, %xmm0, %xmm0
; CHECK-NEXT: retl
%vecinit.i = insertelement <4 x i32*> undef, i32* %ptr, i32 0
%vecinit2.i = insertelement <4 x i32*> %vecinit.i, i32* %ptr, i32 1
%vecinit4.i = insertelement <4 x i32*> %vecinit2.i, i32* %ptr, i32 2
%vecinit6.i = insertelement <4 x i32*> %vecinit4.i, i32* %ptr, i32 3
%A2 = getelementptr i32, <4 x i32*> %vecinit6.i, <4 x i32> <i32 1, i32 2, i32 3, i32 4>
%A3 = getelementptr i32, <4 x i32*> %A2, <4 x i32> <i32 10, i32 14, i32 19, i32 233>
ret <4 x i32*> %A3
}
define i32 @AGEP1(<4 x i32*> %param) nounwind {
; CHECK-LABEL: AGEP1:
; CHECK: # %bb.0:
; CHECK-NEXT: vextractps $3, %xmm0, %eax
; CHECK-NEXT: movl 16(%eax), %eax
; CHECK-NEXT: retl
%A2 = getelementptr i32, <4 x i32*> %param, <4 x i32> <i32 1, i32 2, i32 3, i32 4>
%k = extractelement <4 x i32*> %A2, i32 3
%v = load i32, i32* %k
ret i32 %v
}
define i32 @AGEP2(<4 x i32*> %param, <4 x i32> %off) nounwind {
; CHECK-LABEL: AGEP2:
; CHECK: # %bb.0:
; CHECK-NEXT: vpslld $2, %xmm1, %xmm1
; CHECK-NEXT: vpaddd %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpextrd $3, %xmm0, %eax
; CHECK-NEXT: movl (%eax), %eax
; CHECK-NEXT: retl
%A2 = getelementptr i32, <4 x i32*> %param, <4 x i32> %off
%k = extractelement <4 x i32*> %A2, i32 3
%v = load i32, i32* %k
ret i32 %v
}
define <4 x i32*> @AGEP3(<4 x i32*> %param, <4 x i32> %off) nounwind {
; CHECK-LABEL: AGEP3:
; CHECK: # %bb.0:
; CHECK-NEXT: pushl %eax
; CHECK-NEXT: vpslld $2, %xmm1, %xmm1
; CHECK-NEXT: vpaddd %xmm1, %xmm0, %xmm0
; CHECK-NEXT: movl %esp, %eax
; CHECK-NEXT: vpinsrd $3, %eax, %xmm0, %xmm0
; CHECK-NEXT: popl %eax
; CHECK-NEXT: retl
%A2 = getelementptr i32, <4 x i32*> %param, <4 x i32> %off
%v = alloca i32
%k = insertelement <4 x i32*> %A2, i32* %v, i32 3
ret <4 x i32*> %k
}
define <4 x i16*> @AGEP4(<4 x i16*> %param, <4 x i32> %off) nounwind {
; Multiply offset by two (add it to itself).
; add the base to the offset
; CHECK-LABEL: AGEP4:
; CHECK: # %bb.0:
; CHECK-NEXT: vpaddd %xmm1, %xmm1, %xmm1
; CHECK-NEXT: vpaddd %xmm1, %xmm0, %xmm0
; CHECK-NEXT: retl
%A = getelementptr i16, <4 x i16*> %param, <4 x i32> %off
ret <4 x i16*> %A
}
define <4 x i8*> @AGEP5(<4 x i8*> %param, <4 x i8> %off) nounwind {
; CHECK-LABEL: AGEP5:
; CHECK: # %bb.0:
; CHECK-NEXT: vpmovsxbd %xmm1, %xmm1
; CHECK-NEXT: vpaddd %xmm1, %xmm0, %xmm0
; CHECK-NEXT: retl
%A = getelementptr i8, <4 x i8*> %param, <4 x i8> %off
ret <4 x i8*> %A
}
; The size of each element is 1 byte. No need to multiply by element size.
define <4 x i8*> @AGEP6(<4 x i8*> %param, <4 x i32> %off) nounwind {
; CHECK-LABEL: AGEP6:
; CHECK: # %bb.0:
; CHECK-NEXT: vpaddd %xmm1, %xmm0, %xmm0
; CHECK-NEXT: retl
%A = getelementptr i8, <4 x i8*> %param, <4 x i32> %off
ret <4 x i8*> %A
}
define <4 x i8*> @AGEP7(<4 x i8*> %param, i32 %off) nounwind {
; CHECK-LABEL: AGEP7:
; CHECK: # %bb.0:
; CHECK-NEXT: vbroadcastss {{[0-9]+}}(%esp), %xmm1
; CHECK-NEXT: vpaddd %xmm1, %xmm0, %xmm0
; CHECK-NEXT: retl
%A = getelementptr i8, <4 x i8*> %param, i32 %off
ret <4 x i8*> %A
}
define <4 x i16*> @AGEP8(i16* %param, <4 x i32> %off) nounwind {
; Multiply offset by two (add it to itself).
; add the base to the offset
; CHECK-LABEL: AGEP8:
; CHECK: # %bb.0:
; CHECK-NEXT: vpaddd %xmm0, %xmm0, %xmm0
; CHECK-NEXT: vbroadcastss {{[0-9]+}}(%esp), %xmm1
; CHECK-NEXT: vpaddd %xmm0, %xmm1, %xmm0
; CHECK-NEXT: retl
%A = getelementptr i16, i16* %param, <4 x i32> %off
ret <4 x i16*> %A
}
define <64 x i16*> @AGEP9(i16* %param, <64 x i32> %off) nounwind {
; CHECK-LABEL: AGEP9:
; CHECK: # %bb.0:
; CHECK-NEXT: pushl %ebp
; CHECK-NEXT: movl %esp, %ebp
; CHECK-NEXT: andl $-32, %esp
; CHECK-NEXT: subl $160, %esp
; CHECK-NEXT: vpaddd %xmm0, %xmm0, %xmm3
; CHECK-NEXT: vbroadcastss 12(%ebp), %xmm5
; CHECK-NEXT: vpaddd %xmm3, %xmm5, %xmm3
; CHECK-NEXT: vmovdqa %xmm3, {{[-0-9]+}}(%e{{[sb]}}p) # 16-byte Spill
; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm0
; CHECK-NEXT: vpaddd %xmm0, %xmm0, %xmm0
; CHECK-NEXT: vpaddd %xmm0, %xmm5, %xmm0
; CHECK-NEXT: vmovdqa %xmm0, {{[-0-9]+}}(%e{{[sb]}}p) # 16-byte Spill
; CHECK-NEXT: vpaddd %xmm1, %xmm1, %xmm0
; CHECK-NEXT: vpaddd %xmm0, %xmm5, %xmm0
; CHECK-NEXT: vmovdqa %xmm0, {{[-0-9]+}}(%e{{[sb]}}p) # 16-byte Spill
; CHECK-NEXT: vextractf128 $1, %ymm1, %xmm0
; CHECK-NEXT: vpaddd %xmm0, %xmm0, %xmm0
; CHECK-NEXT: vpaddd %xmm0, %xmm5, %xmm0
; CHECK-NEXT: vmovdqa %xmm0, {{[-0-9]+}}(%e{{[sb]}}p) # 16-byte Spill
; CHECK-NEXT: vpaddd %xmm2, %xmm2, %xmm0
; CHECK-NEXT: vpaddd %xmm0, %xmm5, %xmm0
; CHECK-NEXT: vmovdqa %xmm0, {{[-0-9]+}}(%e{{[sb]}}p) # 16-byte Spill
; CHECK-NEXT: vextractf128 $1, %ymm2, %xmm0
; CHECK-NEXT: vpaddd %xmm0, %xmm0, %xmm0
; CHECK-NEXT: vpaddd %xmm0, %xmm5, %xmm0
; CHECK-NEXT: vmovdqa %xmm0, {{[-0-9]+}}(%e{{[sb]}}p) # 16-byte Spill
; CHECK-NEXT: vmovdqa 40(%ebp), %xmm0
; CHECK-NEXT: vpaddd %xmm0, %xmm0, %xmm0
; CHECK-NEXT: vpaddd %xmm0, %xmm5, %xmm0
; CHECK-NEXT: vmovdqa %xmm0, {{[-0-9]+}}(%e{{[sb]}}p) # 16-byte Spill
; CHECK-NEXT: vmovdqa 56(%ebp), %xmm0
; CHECK-NEXT: vpaddd %xmm0, %xmm0, %xmm0
; CHECK-NEXT: vpaddd %xmm0, %xmm5, %xmm0
; CHECK-NEXT: vmovdqa %xmm0, {{[-0-9]+}}(%e{{[sb]}}p) # 16-byte Spill
; CHECK-NEXT: vmovdqa 72(%ebp), %xmm3
; CHECK-NEXT: vpaddd %xmm3, %xmm3, %xmm3
; CHECK-NEXT: vpaddd %xmm3, %xmm5, %xmm0
; CHECK-NEXT: vmovdqa %xmm0, (%esp) # 16-byte Spill
; CHECK-NEXT: vmovdqa 88(%ebp), %xmm4
; CHECK-NEXT: vpaddd %xmm4, %xmm4, %xmm4
; CHECK-NEXT: vpaddd %xmm4, %xmm5, %xmm4
; CHECK-NEXT: vmovdqa 104(%ebp), %xmm1
; CHECK-NEXT: vpaddd %xmm1, %xmm1, %xmm1
; CHECK-NEXT: vpaddd %xmm1, %xmm5, %xmm1
; CHECK-NEXT: vmovdqa 120(%ebp), %xmm6
; CHECK-NEXT: vpaddd %xmm6, %xmm6, %xmm6
; CHECK-NEXT: vpaddd %xmm6, %xmm5, %xmm6
; CHECK-NEXT: vmovdqa 136(%ebp), %xmm2
; CHECK-NEXT: vpaddd %xmm2, %xmm2, %xmm2
; CHECK-NEXT: vpaddd %xmm2, %xmm5, %xmm2
; CHECK-NEXT: vmovdqa 152(%ebp), %xmm7
; CHECK-NEXT: vpaddd %xmm7, %xmm7, %xmm7
; CHECK-NEXT: vpaddd %xmm7, %xmm5, %xmm7
; CHECK-NEXT: vmovdqa 168(%ebp), %xmm0
; CHECK-NEXT: vpaddd %xmm0, %xmm0, %xmm0
; CHECK-NEXT: vpaddd %xmm0, %xmm5, %xmm0
; CHECK-NEXT: vmovdqa 184(%ebp), %xmm3
; CHECK-NEXT: vpaddd %xmm3, %xmm3, %xmm3
; CHECK-NEXT: vpaddd %xmm3, %xmm5, %xmm3
; CHECK-NEXT: movl 8(%ebp), %eax
; CHECK-NEXT: vmovdqa %xmm3, 240(%eax)
; CHECK-NEXT: vmovdqa %xmm0, 224(%eax)
; CHECK-NEXT: vmovdqa %xmm7, 208(%eax)
; CHECK-NEXT: vmovdqa %xmm2, 192(%eax)
; CHECK-NEXT: vmovdqa %xmm6, 176(%eax)
; CHECK-NEXT: vmovdqa %xmm1, 160(%eax)
; CHECK-NEXT: vmovdqa %xmm4, 144(%eax)
; CHECK-NEXT: vmovaps (%esp), %xmm0 # 16-byte Reload
; CHECK-NEXT: vmovaps %xmm0, 128(%eax)
; CHECK-NEXT: vmovaps {{[-0-9]+}}(%e{{[sb]}}p), %xmm0 # 16-byte Reload
; CHECK-NEXT: vmovaps %xmm0, 112(%eax)
; CHECK-NEXT: vmovaps {{[-0-9]+}}(%e{{[sb]}}p), %xmm0 # 16-byte Reload
; CHECK-NEXT: vmovaps %xmm0, 96(%eax)
; CHECK-NEXT: vmovaps {{[-0-9]+}}(%e{{[sb]}}p), %xmm0 # 16-byte Reload
; CHECK-NEXT: vmovaps %xmm0, 80(%eax)
; CHECK-NEXT: vmovaps {{[-0-9]+}}(%e{{[sb]}}p), %xmm0 # 16-byte Reload
; CHECK-NEXT: vmovaps %xmm0, 64(%eax)
; CHECK-NEXT: vmovaps {{[-0-9]+}}(%e{{[sb]}}p), %xmm0 # 16-byte Reload
; CHECK-NEXT: vmovaps %xmm0, 48(%eax)
; CHECK-NEXT: vmovaps {{[-0-9]+}}(%e{{[sb]}}p), %xmm0 # 16-byte Reload
; CHECK-NEXT: vmovaps %xmm0, 32(%eax)
; CHECK-NEXT: vmovaps {{[-0-9]+}}(%e{{[sb]}}p), %xmm0 # 16-byte Reload
; CHECK-NEXT: vmovaps %xmm0, 16(%eax)
; CHECK-NEXT: vmovaps {{[-0-9]+}}(%e{{[sb]}}p), %xmm0 # 16-byte Reload
; CHECK-NEXT: vmovaps %xmm0, (%eax)
; CHECK-NEXT: movl %ebp, %esp
; CHECK-NEXT: popl %ebp
; CHECK-NEXT: vzeroupper
; CHECK-NEXT: retl $4
%A = getelementptr i16, i16* %param, <64 x i32> %off
ret <64 x i16*> %A
}