25 lines · plain
1; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -mattr=+neon | FileCheck %s2 3define <2 x float> @test_vfma_lane_f32(<2 x float> %a, <2 x float> %b, <2 x float> %v) {4; CHECK: test_vfma_lane_f32:5; CHECK: fmul {{v[0-9]+}}.2s, {{v[0-9]+}}.2s, {{v[0-9]+}}.s[{{[0-9]+}}]6; CHECK: fadd {{v[0-9]+}}.2s, {{v[0-9]+}}.2s, {{v[0-9]+}}.2s7entry:8 %shuffle = shufflevector <2 x float> %v, <2 x float> undef, <2 x i32> <i32 1, i32 1>9 %mul = fmul <2 x float> %shuffle, %b10 %add = fadd <2 x float> %mul, %a11 ret <2 x float> %add12}13 14define <4 x i32> @test_vshrn_not_match(<2 x i32> %a, <2 x i64> %b) {15; CHECK: test_vshrn_not_match16; CHECK-NOT: shrn2 {{v[0-9]+}}.4s, {{v[0-9]+}}.2d, #3517 %1 = bitcast <2 x i32> %a to <1 x i64>18 %2 = ashr <2 x i64> %b, <i64 35, i64 35>19 %vshrn_n = trunc <2 x i64> %2 to <2 x i32>20 %3 = bitcast <2 x i32> %vshrn_n to <1 x i64>21 %shuffle.i = shufflevector <1 x i64> %1, <1 x i64> %3, <2 x i32> <i32 0, i32 1>22 %4 = bitcast <2 x i64> %shuffle.i to <4 x i32>23 ret <4 x i32> %424}25