| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s --mattr=+mve.fp,+fp64 -o - -verify-machineinstrs | FileCheck %s |
| |
| target triple = "thumbv8.1m.main-none-none-eabi" |
| |
| ; Expected to not transform |
| define arm_aapcs_vfpcc <2 x double> @complex_mul_v2f64(<2 x double> %a, <2 x double> %b) { |
| ; CHECK-LABEL: complex_mul_v2f64: |
| ; CHECK: @ %bb.0: @ %entry |
| ; CHECK-NEXT: vmul.f64 d5, d3, d0 |
| ; CHECK-NEXT: vmul.f64 d4, d1, d3 |
| ; CHECK-NEXT: vfma.f64 d5, d2, d1 |
| ; CHECK-NEXT: vfnms.f64 d4, d2, d0 |
| ; CHECK-NEXT: vmov q0, q2 |
| ; CHECK-NEXT: bx lr |
| entry: |
| %a.real = shufflevector <2 x double> %a, <2 x double> poison, <1 x i32> <i32 0> |
| %a.imag = shufflevector <2 x double> %a, <2 x double> poison, <1 x i32> <i32 1> |
| %b.real = shufflevector <2 x double> %b, <2 x double> poison, <1 x i32> <i32 0> |
| %b.imag = shufflevector <2 x double> %b, <2 x double> poison, <1 x i32> <i32 1> |
| %0 = fmul fast <1 x double> %b.imag, %a.real |
| %1 = fmul fast <1 x double> %b.real, %a.imag |
| %2 = fadd fast <1 x double> %1, %0 |
| %3 = fmul fast <1 x double> %b.real, %a.real |
| %4 = fmul fast <1 x double> %a.imag, %b.imag |
| %5 = fsub fast <1 x double> %3, %4 |
| %interleaved.vec = shufflevector <1 x double> %5, <1 x double> %2, <2 x i32> <i32 0, i32 1> |
| ret <2 x double> %interleaved.vec |
| } |
| |
| ; Expected to not transform |
| define arm_aapcs_vfpcc <4 x double> @complex_mul_v4f64(<4 x double> %a, <4 x double> %b) { |
| ; CHECK-LABEL: complex_mul_v4f64: |
| ; CHECK: @ %bb.0: @ %entry |
| ; CHECK-NEXT: .vsave {d8, d9, d10, d11} |
| ; CHECK-NEXT: vpush {d8, d9, d10, d11} |
| ; CHECK-NEXT: vmul.f64 d9, d7, d2 |
| ; CHECK-NEXT: vmov q5, q0 |
| ; CHECK-NEXT: vmul.f64 d8, d3, d7 |
| ; CHECK-NEXT: vfma.f64 d9, d6, d3 |
| ; CHECK-NEXT: vfnms.f64 d8, d6, d2 |
| ; CHECK-NEXT: vmul.f64 d1, d5, d10 |
| ; CHECK-NEXT: vmov q1, q4 |
| ; CHECK-NEXT: vmul.f64 d0, d11, d5 |
| ; CHECK-NEXT: vfma.f64 d1, d4, d11 |
| ; CHECK-NEXT: vfnms.f64 d0, d4, d10 |
| ; CHECK-NEXT: vpop {d8, d9, d10, d11} |
| ; CHECK-NEXT: bx lr |
| entry: |
| %a.real = shufflevector <4 x double> %a, <4 x double> poison, <2 x i32> <i32 0, i32 2> |
| %a.imag = shufflevector <4 x double> %a, <4 x double> poison, <2 x i32> <i32 1, i32 3> |
| %b.real = shufflevector <4 x double> %b, <4 x double> poison, <2 x i32> <i32 0, i32 2> |
| %b.imag = shufflevector <4 x double> %b, <4 x double> poison, <2 x i32> <i32 1, i32 3> |
| %0 = fmul fast <2 x double> %b.imag, %a.real |
| %1 = fmul fast <2 x double> %b.real, %a.imag |
| %2 = fadd fast <2 x double> %1, %0 |
| %3 = fmul fast <2 x double> %b.real, %a.real |
| %4 = fmul fast <2 x double> %a.imag, %b.imag |
| %5 = fsub fast <2 x double> %3, %4 |
| %interleaved.vec = shufflevector <2 x double> %5, <2 x double> %2, <4 x i32> <i32 0, i32 2, i32 1, i32 3> |
| ret <4 x double> %interleaved.vec |
| } |