derek.holloway
7502bf64a4
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128 lines
4.3 KiB
LLVM
128 lines
4.3 KiB
LLVM
; RUN: llc -mtriple=arm-eabi -float-abi=soft -mattr=+neon %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-LE
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; RUN: llc -mtriple=armeb-eabi -float-abi=soft -mattr=+neon %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-BE
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define <16 x i8> @vcombine8(ptr %A, ptr %B) nounwind {
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; CHECK-LABEL: vcombine8
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; CHECK-DAG: vldr [[LD0:d[0-9]+]], [r0]
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; CHECK-DAG: vldr [[LD1:d[0-9]+]], [r1]
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; CHECK-LE-DAG: vmov r0, r1, [[LD0]]
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; CHECK-LE-DAG: vmov r2, r3, [[LD1]]
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; CHECK-BE-DAG: vmov r1, r0, d16
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; CHECK-BE-DAG: vmov r3, r2, d17
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%tmp1 = load <8 x i8>, ptr %A
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%tmp2 = load <8 x i8>, ptr %B
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%tmp3 = shufflevector <8 x i8> %tmp1, <8 x i8> %tmp2, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
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ret <16 x i8> %tmp3
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}
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define <8 x i16> @vcombine16(ptr %A, ptr %B) nounwind {
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; CHECK-LABEL: vcombine16
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; CHECK-DAG: vldr [[LD0:d[0-9]+]], [r0]
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; CHECK-DAG: vldr [[LD1:d[0-9]+]], [r1]
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; CHECK-LE-DAG: vmov r0, r1, [[LD0]]
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; CHECK-LE-DAG: vmov r2, r3, [[LD1]]
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; CHECK-BE-DAG: vmov r1, r0, d16
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; CHECK-BE-DAG: vmov r3, r2, d17
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%tmp1 = load <4 x i16>, ptr %A
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%tmp2 = load <4 x i16>, ptr %B
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%tmp3 = shufflevector <4 x i16> %tmp1, <4 x i16> %tmp2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
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ret <8 x i16> %tmp3
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}
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define <4 x i32> @vcombine32(ptr %A, ptr %B) nounwind {
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; CHECK-LABEL: vcombine32
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; CHECK-DAG: vldr [[LD0:d[0-9]+]], [r0]
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; CHECK-DAG: vldr [[LD1:d[0-9]+]], [r1]
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; CHECK-LE: vmov r2, r3, [[LD1]]
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; CHECK-LE: vmov r0, r1, [[LD0]]
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; CHECK-BE: vmov r1, r0, d16
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; CHECK-BE: vmov r3, r2, d17
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%tmp1 = load <2 x i32>, ptr %A
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%tmp2 = load <2 x i32>, ptr %B
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%tmp3 = shufflevector <2 x i32> %tmp1, <2 x i32> %tmp2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
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ret <4 x i32> %tmp3
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}
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define <4 x float> @vcombinefloat(ptr %A, ptr %B) nounwind {
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; CHECK-LABEL: vcombinefloat
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; CHECK-DAG: vldr [[LD0:d[0-9]+]], [r0]
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; CHECK-DAG: vldr [[LD1:d[0-9]+]], [r1]
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; CHECK-LE: vmov r2, r3, [[LD1]]
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; CHECK-LE: vmov r0, r1, [[LD0]]
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; CHECK-BE: vmov r1, r0, d16
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; CHECK-BE: vmov r3, r2, d17
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%tmp1 = load <2 x float>, ptr %A
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%tmp2 = load <2 x float>, ptr %B
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%tmp3 = shufflevector <2 x float> %tmp1, <2 x float> %tmp2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
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ret <4 x float> %tmp3
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}
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define <2 x i64> @vcombine64(ptr %A, ptr %B) nounwind {
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; CHECK-LABEL: vcombine64
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; CHECK-DAG: vldr [[LD0:d[0-9]+]], [r0]
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; CHECK-DAG: vldr [[LD1:d[0-9]+]], [r1]
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; CHECK-LE: vmov r2, r3, [[LD1]]
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; CHECK-LE: vmov r0, r1, [[LD0]]
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; CHECK-BE: vmov r3, r2, [[LD1]]
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; CHECK-BE: vmov r1, r0, [[LD0]]
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%tmp1 = load <1 x i64>, ptr %A
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%tmp2 = load <1 x i64>, ptr %B
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%tmp3 = shufflevector <1 x i64> %tmp1, <1 x i64> %tmp2, <2 x i32> <i32 0, i32 1>
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ret <2 x i64> %tmp3
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}
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; Check for vget_low and vget_high implemented with shufflevector. PR8411.
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; They should not require storing to the stack.
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define <4 x i16> @vget_low16(ptr %A) nounwind {
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; CHECK: vget_low16
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; CHECK-NOT: vst
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; CHECK-LE: vmov r0, r1, d16
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; CHECK-BE: vmov r1, r0, d16
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%tmp1 = load <8 x i16>, ptr %A
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%tmp2 = shufflevector <8 x i16> %tmp1, <8 x i16> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
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ret <4 x i16> %tmp2
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}
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define <8 x i8> @vget_high8(ptr %A) nounwind {
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; CHECK: vget_high8
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; CHECK-NOT: vst
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; CHECK-LE-NOT: vld1.64 {d16, d17}, [r0]
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; CHECK-LE: vldr d16, [r0, #8]
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; CHECK-LE: vmov r0, r1, d16
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; CHECK-BE: vmov r1, r0, d16
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%tmp1 = load <16 x i8>, ptr %A
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%tmp2 = shufflevector <16 x i8> %tmp1, <16 x i8> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
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ret <8 x i8> %tmp2
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}
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; vcombine(vld1_dup(p), vld1_dup(p2))
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define <8 x i16> @vcombine_vdup(<8 x i16> %src, ptr nocapture readonly %p) {
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; CHECK-LABEL: vcombine_vdup:
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; CHECK: vld1.16 {d16[]},
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; CHECK: vld1.16 {d17[]},
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; CHECK-LE: vmov r0, r1, d16
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; CHECK-LE: vmov r2, r3, d17
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%a1 = load i16, ptr %p, align 2
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%a2 = insertelement <4 x i16> undef, i16 %a1, i32 0
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%a3 = shufflevector <4 x i16> %a2, <4 x i16> undef, <4 x i32> zeroinitializer
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%p2 = getelementptr inbounds i16, ptr %p, i32 1
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%b1 = load i16, ptr %p2, align 2
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%b2 = insertelement <4 x i16> undef, i16 %b1, i32 0
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%b3 = shufflevector <4 x i16> %b2, <4 x i16> undef, <4 x i32> zeroinitializer
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%shuffle = shufflevector <4 x i16> %a3, <4 x i16> %b3, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
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ret <8 x i16> %shuffle
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}
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