From 90128bee68bc37dc4fe58488485d8517f23a38a4 Mon Sep 17 00:00:00 2001 From: Jiangning Liu Date: Mon, 30 Dec 2013 02:44:35 +0000 Subject: For AArch64 Neon, simplify scalar dup by lane0 for fp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198194 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/AArch64/neon-scalar-copy.ll | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) (limited to 'test/CodeGen') diff --git a/test/CodeGen/AArch64/neon-scalar-copy.ll b/test/CodeGen/AArch64/neon-scalar-copy.ll index 94ef7d96ac..fadd73484e 100644 --- a/test/CodeGen/AArch64/neon-scalar-copy.ll +++ b/test/CodeGen/AArch64/neon-scalar-copy.ll @@ -7,9 +7,18 @@ define float @test_dup_sv2S(<2 x float> %v) { ret float %tmp1 } +define float @test_dup_sv2S_0(<2 x float> %v) { + ;CHECK-LABEL: test_dup_sv2S_0 + ;CHECK-NOT: dup {{s[0-9]+}}, {{v[0-9]+}}.s[0] + ;CHECK: ret + %tmp1 = extractelement <2 x float> %v, i32 0 + ret float %tmp1 +} + define float @test_dup_sv4S(<4 x float> %v) { - ;CHECK: test_dup_sv4S - ;CHECK: dup {{s[0-9]+}}, {{v[0-9]+}}.s[0] + ;CHECK-LABEL: test_dup_sv4S + ;CHECK-NOT: dup {{s[0-9]+}}, {{v[0-9]+}}.s[0] + ;CHECK: ret %tmp1 = extractelement <4 x float> %v, i32 0 ret float %tmp1 } @@ -29,6 +38,14 @@ define double @test_dup_dv2D(<2 x double> %v) { ret double %tmp1 } +define double @test_dup_dv2D_0(<2 x double> %v) { + ;CHECK: test_dup_dv2D_0 + ;CHECK-NOT: dup {{d[0-9]+}}, {{v[0-9]+}}.d[0] + ;CHECK: ret + %tmp1 = extractelement <2 x double> %v, i32 1 + ret double %tmp1 +} + define <1 x i8> @test_vector_dup_bv16B(<16 x i8> %v1) { ;CHECK: test_vector_dup_bv16B ;CHECK: dup {{b[0-9]+}}, {{v[0-9]+}}.b[14] -- cgit v1.2.3