derek.holloway
7502bf64a4
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101 lines
2.9 KiB
LLVM
101 lines
2.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=aarch64 -mattr=+neon | FileCheck %s
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define <2 x i64> @mul_v2i64_257(<2 x i64> %v) {
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; CHECK-LABEL: mul_v2i64_257:
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; CHECK: // %bb.0:
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; CHECK-NEXT: shl v1.2d, v0.2d, #8
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; CHECK-NEXT: add v0.2d, v1.2d, v0.2d
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; CHECK-NEXT: ret
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%mul = mul <2 x i64> %v, splat (i64 257)
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ret <2 x i64> %mul
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}
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define <2 x i64> @mul_v2i64_255(<2 x i64> %v) {
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; CHECK-LABEL: mul_v2i64_255:
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; CHECK: // %bb.0:
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; CHECK-NEXT: shl v1.2d, v0.2d, #8
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; CHECK-NEXT: sub v0.2d, v1.2d, v0.2d
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; CHECK-NEXT: ret
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%mul = mul <2 x i64> %v, splat (i64 255)
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ret <2 x i64> %mul
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}
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define <2 x i64> @mul_v2i64_9(<2 x i64> %v) {
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; CHECK-LABEL: mul_v2i64_9:
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; CHECK: // %bb.0:
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; CHECK-NEXT: shl v1.2d, v0.2d, #3
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; CHECK-NEXT: add v0.2d, v1.2d, v0.2d
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; CHECK-NEXT: ret
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%mul = mul <2 x i64> %v, splat (i64 9)
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ret <2 x i64> %mul
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}
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define <2 x i64> @mul_v2i64_neg_33(<2 x i64> %v) {
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; CHECK-LABEL: mul_v2i64_neg_33:
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; CHECK: // %bb.0:
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; CHECK-NEXT: shl v1.2d, v0.2d, #5
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; CHECK-NEXT: add v0.2d, v1.2d, v0.2d
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; CHECK-NEXT: neg v0.2d, v0.2d
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; CHECK-NEXT: ret
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%mul = mul <2 x i64> %v, splat (i64 -33)
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ret <2 x i64> %mul
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}
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define <2 x i64> @mul_v2i64_neg_15(<2 x i64> %v) {
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; CHECK-LABEL: mul_v2i64_neg_15:
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; CHECK: // %bb.0:
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; CHECK-NEXT: shl v1.2d, v0.2d, #4
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; CHECK-NEXT: sub v0.2d, v0.2d, v1.2d
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; CHECK-NEXT: ret
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%mul = mul <2 x i64> %v, splat (i64 -15)
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ret <2 x i64> %mul
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}
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define <2 x i64> @mul_v2i64_8800(<2 x i64> %v) {
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; CHECK-LABEL: mul_v2i64_8800:
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; CHECK: // %bb.0:
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; CHECK-NEXT: shl v1.2d, v0.2d, #11
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; CHECK-NEXT: shl v0.2d, v0.2d, #15
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; CHECK-NEXT: add v0.2d, v0.2d, v1.2d
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; CHECK-NEXT: ret
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%mul = mul <2 x i64> %v, splat (i64 34816) ; 0x8800
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ret <2 x i64> %mul
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}
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define <2 x i64> @mul_v2i64_f800(<2 x i64> %v) {
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; CHECK-LABEL: mul_v2i64_f800:
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; CHECK: // %bb.0:
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; CHECK-NEXT: shl v1.2d, v0.2d, #11
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; CHECK-NEXT: shl v0.2d, v0.2d, #16
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; CHECK-NEXT: sub v0.2d, v0.2d, v1.2d
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; CHECK-NEXT: ret
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%mul = mul <2 x i64> %v, splat (i64 63488) ; 0xf800
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ret <2 x i64> %mul
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}
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;; This should not be optimized as it doesn't lower to a mul
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define <2 x i64> @mul_v2i64_256(<2 x i64> %v) {
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; CHECK-LABEL: mul_v2i64_256:
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; CHECK: // %bb.0:
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; CHECK-NEXT: shl v0.2d, v0.2d, #8
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; CHECK-NEXT: ret
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%mul = mul <2 x i64> %v, splat (i64 256)
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ret <2 x i64> %mul
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}
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;; This should not be optimized
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define <2 x i64> @mul_v2i64_13_no_opt(<2 x i64> %v) {
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; CHECK-LABEL: mul_v2i64_13_no_opt:
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; CHECK: // %bb.0:
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; CHECK-NEXT: fmov x10, d0
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; CHECK-NEXT: mov w8, #13 // =0xd
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; CHECK-NEXT: mov x9, v0.d[1]
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; CHECK-NEXT: mul x10, x10, x8
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; CHECK-NEXT: mul x8, x9, x8
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; CHECK-NEXT: fmov d0, x10
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; CHECK-NEXT: mov v0.d[1], x8
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; CHECK-NEXT: ret
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%mul = mul <2 x i64> %v, splat (i64 13)
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ret <2 x i64> %mul
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}
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