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llvm-6502/test/CodeGen/Mips/msa/i8.ll
Daniel Sanders ca795b61be [mips][msa] Build all the tests in little and big endian modes and correct an incorrect test. 
Summary:
This patch (correctly) breaks some MSA tests by exposing the cases when
SelectionDAG::getConstant() produces illegal types. These have been temporarily
marked XFAIL and the XFAIL flag will be removed when
SelectionDAG::getConstant() is fixed.

There are three categories of failure:
* Immediate instructions are not selected in one endian mode.
* Immediates used in ldi.[bhwd] must be different according to endianness.
  (this only affects cases where the 'wrong' ldi is used to load the correct
   bitpattern. E.g. (bitcast:v2i64 (build_vector:v4i32 ...)))
* Non-immediate instructions that rely on immediates affected by the
  previous two categories as part of their match pattern.
  For example, the bset match pattern is the vector equivalent of
  'ws | (1 << wt)'.

One test needed correcting to expect different output depending on whether big
or little endian was in use. This test was
test/CodeGen/Mips/msa/basic_operations.ll and experiences the second category
of failure shown above. The little endian version of this test is named
basic_operations_little.ll and will be merged back into basic_operations.ll in
a follow up commit now that FileCheck supports multiple check prefixes.

Reviewers: bkramer, jacksprat, dsanders

Reviewed By: dsanders

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D1972

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194806 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-15 11:04:16 +00:00

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; Test the MSA intrinsics that are encoded with the I8 instruction format.
; RUN: llc -march=mips -mattr=+msa,+fp64 < %s | FileCheck %s
; RUN: llc -march=mipsel -mattr=+msa,+fp64 < %s | FileCheck %s
@llvm_mips_andi_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
@llvm_mips_andi_b_RES = global <16 x i8> <i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, align 16
define void @llvm_mips_andi_b_test() nounwind {
entry:
%0 = load <16 x i8>* @llvm_mips_andi_b_ARG1
%1 = tail call <16 x i8> @llvm.mips.andi.b(<16 x i8> %0, i32 25)
store <16 x i8> %1, <16 x i8>* @llvm_mips_andi_b_RES
ret void
}
declare <16 x i8> @llvm.mips.andi.b(<16 x i8>, i32) nounwind
; CHECK: llvm_mips_andi_b_test:
; CHECK: ld.b
; CHECK: andi.b
; CHECK: st.b
; CHECK: .size llvm_mips_andi_b_test
@llvm_mips_bmnzi_b_ARG1 = global <16 x i8> <i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, align 16
@llvm_mips_bmnzi_b_ARG2 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
@llvm_mips_bmnzi_b_RES = global <16 x i8> <i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, align 16
define void @llvm_mips_bmnzi_b_test() nounwind {
entry:
%0 = load <16 x i8>* @llvm_mips_bmnzi_b_ARG1
%1 = load <16 x i8>* @llvm_mips_bmnzi_b_ARG2
%2 = tail call <16 x i8> @llvm.mips.bmnzi.b(<16 x i8> %0, <16 x i8> %1, i32 25)
store <16 x i8> %2, <16 x i8>* @llvm_mips_bmnzi_b_RES
ret void
}
declare <16 x i8> @llvm.mips.bmnzi.b(<16 x i8>, <16 x i8>, i32) nounwind
; CHECK: llvm_mips_bmnzi_b_test:
; CHECK-DAG: lw [[R1:\$[0-9]+]], %got(llvm_mips_bmnzi_b_ARG1)(
; CHECK-DAG: lw [[R2:\$[0-9]+]], %got(llvm_mips_bmnzi_b_ARG2)(
; CHECK-DAG: ld.b [[R3:\$w[0-9]+]], 0([[R1]])
; CHECK-DAG: ld.b [[R4:\$w[0-9]+]], 0([[R2]])
; CHECK-DAG: bmnzi.b [[R3]], [[R4]], 25
; CHECK-DAG: st.b [[R3]], 0(
; CHECK: .size llvm_mips_bmnzi_b_test
@llvm_mips_bmzi_b_ARG1 = global <16 x i8> <i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, align 16
@llvm_mips_bmzi_b_ARG2 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
@llvm_mips_bmzi_b_RES = global <16 x i8> <i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, align 16
define void @llvm_mips_bmzi_b_test() nounwind {
entry:
%0 = load <16 x i8>* @llvm_mips_bmzi_b_ARG1
%1 = load <16 x i8>* @llvm_mips_bmzi_b_ARG2
%2 = tail call <16 x i8> @llvm.mips.bmzi.b(<16 x i8> %0, <16 x i8> %1, i32 25)
store <16 x i8> %2, <16 x i8>* @llvm_mips_bmzi_b_RES
ret void
}
declare <16 x i8> @llvm.mips.bmzi.b(<16 x i8>, <16 x i8>, i32) nounwind
; CHECK: llvm_mips_bmzi_b_test:
; CHECK-DAG: lw [[R1:\$[0-9]+]], %got(llvm_mips_bmzi_b_ARG1)(
; CHECK-DAG: lw [[R2:\$[0-9]+]], %got(llvm_mips_bmzi_b_ARG2)(
; CHECK-DAG: ld.b [[R3:\$w[0-9]+]], 0([[R1]])
; CHECK-DAG: ld.b [[R4:\$w[0-9]+]], 0([[R2]])
; bmnzi.b is the same as bmzi.b with ws and wd_in swapped
; CHECK-DAG: bmnzi.b [[R4]], [[R3]], 25
; CHECK-DAG: st.b [[R4]], 0(
; CHECK: .size llvm_mips_bmzi_b_test
@llvm_mips_bseli_b_ARG1 = global <16 x i8> <i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, align 16
@llvm_mips_bseli_b_ARG2 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
@llvm_mips_bseli_b_RES = global <16 x i8> <i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, align 16
define void @llvm_mips_bseli_b_test() nounwind {
entry:
%0 = load <16 x i8>* @llvm_mips_bseli_b_ARG1
%1 = load <16 x i8>* @llvm_mips_bseli_b_ARG2
%2 = tail call <16 x i8> @llvm.mips.bseli.b(<16 x i8> %0, <16 x i8> %1, i32 25)
store <16 x i8> %2, <16 x i8>* @llvm_mips_bseli_b_RES
ret void
}
declare <16 x i8> @llvm.mips.bseli.b(<16 x i8>, <16 x i8>, i32) nounwind
; CHECK: llvm_mips_bseli_b_test:
; CHECK-DAG: lw [[R1:\$[0-9]+]], %got(llvm_mips_bseli_b_ARG1)(
; CHECK-DAG: lw [[R2:\$[0-9]+]], %got(llvm_mips_bseli_b_ARG2)(
; CHECK-DAG: ld.b [[R3:\$w[0-9]+]], 0([[R1]])
; CHECK-DAG: ld.b [[R4:\$w[0-9]+]], 0([[R2]])
; CHECK-DAG: bseli.b [[R3]], [[R4]], 25
; CHECK-DAG: st.b [[R3]], 0(
; CHECK: .size llvm_mips_bseli_b_test
@llvm_mips_nori_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
@llvm_mips_nori_b_RES = global <16 x i8> <i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, align 16
define void @llvm_mips_nori_b_test() nounwind {
entry:
%0 = load <16 x i8>* @llvm_mips_nori_b_ARG1
%1 = tail call <16 x i8> @llvm.mips.nori.b(<16 x i8> %0, i32 25)
store <16 x i8> %1, <16 x i8>* @llvm_mips_nori_b_RES
ret void
}
declare <16 x i8> @llvm.mips.nori.b(<16 x i8>, i32) nounwind
; CHECK: llvm_mips_nori_b_test:
; CHECK: ld.b
; CHECK: nori.b
; CHECK: st.b
; CHECK: .size llvm_mips_nori_b_test
;
@llvm_mips_ori_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
@llvm_mips_ori_b_RES = global <16 x i8> <i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, align 16
define void @llvm_mips_ori_b_test() nounwind {
entry:
%0 = load <16 x i8>* @llvm_mips_ori_b_ARG1
%1 = tail call <16 x i8> @llvm.mips.ori.b(<16 x i8> %0, i32 25)
store <16 x i8> %1, <16 x i8>* @llvm_mips_ori_b_RES
ret void
}
declare <16 x i8> @llvm.mips.ori.b(<16 x i8>, i32) nounwind
; CHECK: llvm_mips_ori_b_test:
; CHECK: ld.b
; CHECK: ori.b
; CHECK: st.b
; CHECK: .size llvm_mips_ori_b_test
;
@llvm_mips_shf_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
@llvm_mips_shf_b_RES = global <16 x i8> <i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, align 16
define void @llvm_mips_shf_b_test() nounwind {
entry:
%0 = load <16 x i8>* @llvm_mips_shf_b_ARG1
%1 = tail call <16 x i8> @llvm.mips.shf.b(<16 x i8> %0, i32 25)
store <16 x i8> %1, <16 x i8>* @llvm_mips_shf_b_RES
ret void
}
declare <16 x i8> @llvm.mips.shf.b(<16 x i8>, i32) nounwind
; CHECK: llvm_mips_shf_b_test:
; CHECK: ld.b
; CHECK: shf.b
; CHECK: st.b
; CHECK: .size llvm_mips_shf_b_test
;
@llvm_mips_shf_h_ARG1 = global <8 x i16> <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>, align 16
@llvm_mips_shf_h_RES = global <8 x i16> <i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0, i16 0>, align 16
define void @llvm_mips_shf_h_test() nounwind {
entry:
%0 = load <8 x i16>* @llvm_mips_shf_h_ARG1
%1 = tail call <8 x i16> @llvm.mips.shf.h(<8 x i16> %0, i32 25)
store <8 x i16> %1, <8 x i16>* @llvm_mips_shf_h_RES
ret void
}
declare <8 x i16> @llvm.mips.shf.h(<8 x i16>, i32) nounwind
; CHECK: llvm_mips_shf_h_test:
; CHECK: ld.h
; CHECK: shf.h
; CHECK: st.h
; CHECK: .size llvm_mips_shf_h_test
;
@llvm_mips_shf_w_ARG1 = global <4 x i32> <i32 0, i32 1, i32 2, i32 3>, align 16
@llvm_mips_shf_w_RES = global <4 x i32> <i32 0, i32 0, i32 0, i32 0>, align 16
define void @llvm_mips_shf_w_test() nounwind {
entry:
%0 = load <4 x i32>* @llvm_mips_shf_w_ARG1
%1 = tail call <4 x i32> @llvm.mips.shf.w(<4 x i32> %0, i32 25)
store <4 x i32> %1, <4 x i32>* @llvm_mips_shf_w_RES
ret void
}
declare <4 x i32> @llvm.mips.shf.w(<4 x i32>, i32) nounwind
; CHECK: llvm_mips_shf_w_test:
; CHECK: ld.w
; CHECK: shf.w
; CHECK: st.w
; CHECK: .size llvm_mips_shf_w_test
;
@llvm_mips_xori_b_ARG1 = global <16 x i8> <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15>, align 16
@llvm_mips_xori_b_RES = global <16 x i8> <i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, align 16
define void @llvm_mips_xori_b_test() nounwind {
entry:
%0 = load <16 x i8>* @llvm_mips_xori_b_ARG1
%1 = tail call <16 x i8> @llvm.mips.xori.b(<16 x i8> %0, i32 25)
store <16 x i8> %1, <16 x i8>* @llvm_mips_xori_b_RES
ret void
}
declare <16 x i8> @llvm.mips.xori.b(<16 x i8>, i32) nounwind
; CHECK: llvm_mips_xori_b_test:
; CHECK: ld.b
; CHECK: xori.b
; CHECK: st.b
; CHECK: .size llvm_mips_xori_b_test
;
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