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625dcd33f6
We process 2 elements at a time and expect the number of elements to be even. Similar to D60690. Reviewers: dmgreen, samparker, t.p.northover Reviewed By: dmgreen Differential Revision: https://reviews.llvm.org/D65400 llvm-svn: 367831
60 lines
2.9 KiB
LLVM
60 lines
2.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-unknown-linux -o - | FileCheck %s
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define void @test(i32* %p1, i32* %p2) {
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; CHECK-LABEL: test:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mov w8, #3
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; CHECK-NEXT: mov w9, #1
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; CHECK-NEXT: str w8, [x0]
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; CHECK-NEXT: str w9, [x1]
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; CHECK-NEXT: ret
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%tmp = shufflevector <1 x i32> <i32 1>, <1 x i32> undef, <3 x i32> <i32 0, i32 undef, i32 undef>
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%tmp2 = shufflevector <3 x i32> <i32 2, i32 3, i32 4>, <3 x i32> %tmp, <3 x i32> <i32 0, i32 1, i32 3>
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%tmp3 = shufflevector <3 x i32> %tmp2, <3 x i32> undef, <6 x i32> <i32 0, i32 1, i32 2, i32 undef, i32 undef, i32 undef>
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%tmp4 = shufflevector <6 x i32> undef, <6 x i32> %tmp3, <9 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8>
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%tmp6 = extractelement <9 x i32> %tmp4, i32 7
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%tmp8 = extractelement <9 x i32> %tmp4, i32 8
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store i32 %tmp6, i32* %p1, align 4
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store i32 %tmp8, i32* %p2, align 4
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ret void
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}
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; Test case from PR41951
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define <4 x i32> @widen_shuffles_reduced(<3 x i32> %x, <3 x i32> %y) {
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; CHECK-LABEL: widen_shuffles_reduced:
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; CHECK: // %bb.0:
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; CHECK-NEXT: zip1 v2.4s, v0.4s, v1.4s
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; CHECK-NEXT: zip1 v0.4s, v1.4s, v0.4s
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; CHECK-NEXT: ext v0.16b, v0.16b, v2.16b, #8
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; CHECK-NEXT: ret
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%s3 = shufflevector <3 x i32> %y, <3 x i32> %x, <4 x i32> <i32 1, i32 4, i32 3, i32 0>
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ret <4 x i32> %s3
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}
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define void @zip_mask_check(<3 x float>* %p1, <3 x float>* %p2, i32* %p3) {
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; CHECK-LABEL: zip_mask_check:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ldr q0, [x0]
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; CHECK-NEXT: ldr d1, [x1]
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; CHECK-NEXT: trn2 v0.4s, v0.4s, v1.4s
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; CHECK-NEXT: fmla v0.4s, v0.4s, v0.4s
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; CHECK-NEXT: fmla v0.4s, v0.4s, v0.4s
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; CHECK-NEXT: str s0, [x2]
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; CHECK-NEXT: ret
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%tmp3 = load <3 x float>, <3 x float>* %p1, align 16
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%tmp4 = load <3 x float>, <3 x float>* %p2, align 4
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%tmp5 = shufflevector <3 x float> %tmp3, <3 x float> %tmp4, <4 x i32> <i32 1, i32 4, i32 undef, i32 undef>
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%tmp6 = shufflevector <4 x float> %tmp5, <4 x float> undef, <4 x i32> <i32 0, i32 1, i32 5, i32 undef>
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%tmp7 = shufflevector <4 x float> %tmp6, <4 x float> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 5>
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%tmp8 = call <4 x float> @llvm.fma.v4f32(<4 x float> %tmp7, <4 x float> undef, <4 x float> undef)
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%tmp9 = call <4 x float> @llvm.fma.v4f32(<4 x float> undef, <4 x float> undef, <4 x float> %tmp8)
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%tmp10 = shufflevector <4 x float> %tmp9, <4 x float> undef, <16 x i32> <i32 0, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
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%tmp11 = bitcast <16 x float> %tmp10 to <16 x i32>
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%tmp12 = extractelement <16 x i32> %tmp11, i32 0
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store i32 %tmp12, i32* %p3, align 4
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ret void
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}
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declare <4 x float> @llvm.fma.v4f32(<4 x float>, <4 x float>, <4 x float>) #1
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