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TheRock/compiler/amd-llvm/llvm/test/CodeGen/Thumb2/mve-complex-deinterleaving-f32-mul.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

125 lines
5.7 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s --mattr=+mve.fp -o - | FileCheck %s
target triple = "thumbv8.1m.main-none-none-eabi"
; Expected to not transform
define arm_aapcs_vfpcc <2 x float> @complex_mul_v2f32(<2 x float> %a, <2 x float> %b) {
; CHECK-LABEL: complex_mul_v2f32:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vmul.f32 s9, s5, s0
; CHECK-NEXT: vmul.f32 s8, s1, s5
; CHECK-NEXT: vfma.f32 s9, s4, s1
; CHECK-NEXT: vfnms.f32 s8, s4, s0
; CHECK-NEXT: vmov q0, q2
; CHECK-NEXT: bx lr
entry:
%a.real = shufflevector <2 x float> %a, <2 x float> poison, <1 x i32> <i32 0>
%a.imag = shufflevector <2 x float> %a, <2 x float> poison, <1 x i32> <i32 1>
%b.real = shufflevector <2 x float> %b, <2 x float> poison, <1 x i32> <i32 0>
%b.imag = shufflevector <2 x float> %b, <2 x float> poison, <1 x i32> <i32 1>
%0 = fmul fast <1 x float> %b.imag, %a.real
%1 = fmul fast <1 x float> %b.real, %a.imag
%2 = fadd fast <1 x float> %1, %0
%3 = fmul fast <1 x float> %b.real, %a.real
%4 = fmul fast <1 x float> %a.imag, %b.imag
%5 = fsub fast <1 x float> %3, %4
%interleaved.vec = shufflevector <1 x float> %5, <1 x float> %2, <2 x i32> <i32 0, i32 1>
ret <2 x float> %interleaved.vec
}
; Expected to transform
define arm_aapcs_vfpcc <4 x float> @complex_mul_v4f32(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: complex_mul_v4f32:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcmul.f32 q2, q0, q1, #0
; CHECK-NEXT: vcmla.f32 q2, q0, q1, #90
; CHECK-NEXT: vmov q0, q2
; CHECK-NEXT: bx lr
entry:
%a.real = shufflevector <4 x float> %a, <4 x float> poison, <2 x i32> <i32 0, i32 2>
%a.imag = shufflevector <4 x float> %a, <4 x float> poison, <2 x i32> <i32 1, i32 3>
%b.real = shufflevector <4 x float> %b, <4 x float> poison, <2 x i32> <i32 0, i32 2>
%b.imag = shufflevector <4 x float> %b, <4 x float> poison, <2 x i32> <i32 1, i32 3>
%0 = fmul fast <2 x float> %b.imag, %a.real
%1 = fmul fast <2 x float> %b.real, %a.imag
%2 = fadd fast <2 x float> %1, %0
%3 = fmul fast <2 x float> %b.real, %a.real
%4 = fmul fast <2 x float> %a.imag, %b.imag
%5 = fsub fast <2 x float> %3, %4
%interleaved.vec = shufflevector <2 x float> %5, <2 x float> %2, <4 x i32> <i32 0, i32 2, i32 1, i32 3>
ret <4 x float> %interleaved.vec
}
; Expected to transform
define arm_aapcs_vfpcc <8 x float> @complex_mul_v8f32(<8 x float> %a, <8 x float> %b) {
; CHECK-LABEL: complex_mul_v8f32:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .vsave {d8, d9}
; CHECK-NEXT: vpush {d8, d9}
; CHECK-NEXT: vcmul.f32 q4, q0, q2, #0
; CHECK-NEXT: vcmla.f32 q4, q0, q2, #90
; CHECK-NEXT: vcmul.f32 q2, q1, q3, #0
; CHECK-NEXT: vcmla.f32 q2, q1, q3, #90
; CHECK-NEXT: vmov q0, q4
; CHECK-NEXT: vmov q1, q2
; CHECK-NEXT: vpop {d8, d9}
; CHECK-NEXT: bx lr
entry:
%a.real = shufflevector <8 x float> %a, <8 x float> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
%a.imag = shufflevector <8 x float> %a, <8 x float> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
%b.real = shufflevector <8 x float> %b, <8 x float> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
%b.imag = shufflevector <8 x float> %b, <8 x float> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
%0 = fmul fast <4 x float> %b.imag, %a.real
%1 = fmul fast <4 x float> %b.real, %a.imag
%2 = fadd fast <4 x float> %1, %0
%3 = fmul fast <4 x float> %b.real, %a.real
%4 = fmul fast <4 x float> %a.imag, %b.imag
%5 = fsub fast <4 x float> %3, %4
%interleaved.vec = shufflevector <4 x float> %5, <4 x float> %2, <8 x i32> <i32 0, i32 4, i32 1, i32 5, i32 2, i32 6, i32 3, i32 7>
ret <8 x float> %interleaved.vec
}
; Expected to transform
define arm_aapcs_vfpcc <16 x float> @complex_mul_v16f32(<16 x float> %a, <16 x float> %b) {
; CHECK-LABEL: complex_mul_v16f32:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .vsave {d8, d9, d10, d11, d12, d13, d14, d15}
; CHECK-NEXT: vpush {d8, d9, d10, d11, d12, d13, d14, d15}
; CHECK-NEXT: add r3, sp, #64
; CHECK-NEXT: add r2, sp, #80
; CHECK-NEXT: vldrw.u32 q5, [r3]
; CHECK-NEXT: add r1, sp, #96
; CHECK-NEXT: add r0, sp, #112
; CHECK-NEXT: vcmul.f32 q4, q0, q5, #0
; CHECK-NEXT: vcmla.f32 q4, q0, q5, #90
; CHECK-NEXT: vldrw.u32 q0, [r2]
; CHECK-NEXT: vcmul.f32 q5, q1, q0, #0
; CHECK-NEXT: vcmla.f32 q5, q1, q0, #90
; CHECK-NEXT: vldrw.u32 q0, [r1]
; CHECK-NEXT: vmov q1, q5
; CHECK-NEXT: vcmul.f32 q6, q2, q0, #0
; CHECK-NEXT: vcmla.f32 q6, q2, q0, #90
; CHECK-NEXT: vldrw.u32 q0, [r0]
; CHECK-NEXT: vmov q2, q6
; CHECK-NEXT: vcmul.f32 q7, q3, q0, #0
; CHECK-NEXT: vcmla.f32 q7, q3, q0, #90
; CHECK-NEXT: vmov q0, q4
; CHECK-NEXT: vmov q3, q7
; CHECK-NEXT: vpop {d8, d9, d10, d11, d12, d13, d14, d15}
; CHECK-NEXT: bx lr
entry:
%a.real = shufflevector <16 x float> %a, <16 x float> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
%a.imag = shufflevector <16 x float> %a, <16 x float> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
%b.real = shufflevector <16 x float> %b, <16 x float> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
%b.imag = shufflevector <16 x float> %b, <16 x float> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
%0 = fmul fast <8 x float> %b.imag, %a.real
%1 = fmul fast <8 x float> %b.real, %a.imag
%2 = fadd fast <8 x float> %1, %0
%3 = fmul fast <8 x float> %b.real, %a.real
%4 = fmul fast <8 x float> %a.imag, %b.imag
%5 = fsub fast <8 x float> %3, %4
%interleaved.vec = shufflevector <8 x float> %5, <8 x float> %2, <16 x i32> <i32 0, i32 8, i32 1, i32 9, i32 2, i32 10, i32 3, i32 11, i32 4, i32 12, i32 5, i32 13, i32 6, i32 14, i32 7, i32 15>
ret <16 x float> %interleaved.vec
}