blob: 93d9797a38a1fd7b33899088f3de4b2c09cae687 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s --mattr=+mve.fp,+fp64 -o - | FileCheck %s
target triple = "thumbv8.1m.main-none-none-eabi"
; Expected to transform
define arm_aapcs_vfpcc <4 x float> @simple_mul(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: simple_mul:
; 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:
%strided.vec = shufflevector <4 x float> %a, <4 x float> poison, <2 x i32> <i32 0, i32 2>
%strided.vec17 = shufflevector <4 x float> %a, <4 x float> poison, <2 x i32> <i32 1, i32 3>
%strided.vec19 = shufflevector <4 x float> %b, <4 x float> poison, <2 x i32> <i32 0, i32 2>
%strided.vec20 = shufflevector <4 x float> %b, <4 x float> poison, <2 x i32> <i32 1, i32 3>
%0 = fmul fast <2 x float> %strided.vec20, %strided.vec
%1 = fmul fast <2 x float> %strided.vec19, %strided.vec17
%2 = fadd fast <2 x float> %1, %0
%3 = fmul fast <2 x float> %strided.vec19, %strided.vec
%4 = fmul fast <2 x float> %strided.vec17, %strided.vec20
%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 not transform
define arm_aapcs_vfpcc <4 x float> @simple_mul_no_contract(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: simple_mul_no_contract:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .vsave {d8, d9, d10, d11}
; CHECK-NEXT: vpush {d8, d9, d10, d11}
; CHECK-NEXT: vmov.f32 s8, s5
; CHECK-NEXT: vmov.f32 s12, s1
; CHECK-NEXT: vmov.f32 s9, s7
; CHECK-NEXT: vmov.f32 s13, s3
; CHECK-NEXT: vmov.f32 s1, s2
; CHECK-NEXT: vmul.f32 q4, q3, q2
; CHECK-NEXT: vmov.f32 s5, s6
; CHECK-NEXT: vmul.f32 q2, q2, q0
; CHECK-NEXT: vmul.f32 q5, q1, q0
; CHECK-NEXT: vfma.f32 q2, q1, q3
; CHECK-NEXT: vsub.f32 q4, q5, q4
; CHECK-NEXT: vmov.f32 s1, s8
; CHECK-NEXT: vmov.f32 s0, s16
; CHECK-NEXT: vmov.f32 s2, s17
; CHECK-NEXT: vmov.f32 s3, s9
; CHECK-NEXT: vpop {d8, d9, d10, d11}
; CHECK-NEXT: bx lr
entry:
%strided.vec = shufflevector <4 x float> %a, <4 x float> poison, <2 x i32> <i32 0, i32 2>
%strided.vec17 = shufflevector <4 x float> %a, <4 x float> poison, <2 x i32> <i32 1, i32 3>
%strided.vec19 = shufflevector <4 x float> %b, <4 x float> poison, <2 x i32> <i32 0, i32 2>
%strided.vec20 = shufflevector <4 x float> %b, <4 x float> poison, <2 x i32> <i32 1, i32 3>
%0 = fmul fast <2 x float> %strided.vec20, %strided.vec
%1 = fmul fast <2 x float> %strided.vec19, %strided.vec17
%2 = fadd fast <2 x float> %1, %0
%3 = fmul fast <2 x float> %strided.vec19, %strided.vec
%4 = fmul fast <2 x float> %strided.vec17, %strided.vec20
%5 = fsub <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 <4 x float> @three_way_mul(<4 x float> %a, <4 x float> %b, <4 x float> %c) {
; CHECK-LABEL: three_way_mul:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcmul.f32 q3, q1, q0, #0
; CHECK-NEXT: vcmla.f32 q3, q1, q0, #90
; CHECK-NEXT: vcmul.f32 q0, q2, q3, #0
; CHECK-NEXT: vcmla.f32 q0, q2, q3, #90
; CHECK-NEXT: bx lr
entry:
%strided.vec = shufflevector <4 x float> %a, <4 x float> poison, <2 x i32> <i32 0, i32 2>
%strided.vec39 = shufflevector <4 x float> %a, <4 x float> poison, <2 x i32> <i32 1, i32 3>
%strided.vec41 = shufflevector <4 x float> %b, <4 x float> poison, <2 x i32> <i32 0, i32 2>
%strided.vec42 = shufflevector <4 x float> %b, <4 x float> poison, <2 x i32> <i32 1, i32 3>
%strided.vec44 = shufflevector <4 x float> %c, <4 x float> poison, <2 x i32> <i32 0, i32 2>
%strided.vec45 = shufflevector <4 x float> %c, <4 x float> poison, <2 x i32> <i32 1, i32 3>
%0 = fmul fast <2 x float> %strided.vec41, %strided.vec
%1 = fmul fast <2 x float> %strided.vec42, %strided.vec39
%2 = fsub fast <2 x float> %0, %1
%3 = fmul fast <2 x float> %2, %strided.vec45
%4 = fmul fast <2 x float> %strided.vec42, %strided.vec
%5 = fmul fast <2 x float> %strided.vec39, %strided.vec41
%6 = fadd fast <2 x float> %4, %5
%7 = fmul fast <2 x float> %6, %strided.vec44
%8 = fadd fast <2 x float> %3, %7
%9 = fmul fast <2 x float> %2, %strided.vec44
%10 = fmul fast <2 x float> %6, %strided.vec45
%11 = fsub fast <2 x float> %9, %10
%interleaved.vec = shufflevector <2 x float> %11, <2 x float> %8, <4 x i32> <i32 0, i32 2, i32 1, i32 3>
ret <4 x float> %interleaved.vec
}
; Expected to transform
define arm_aapcs_vfpcc <4 x float> @simple_add_90(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: simple_add_90:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcadd.f32 q2, q1, q0, #90
; CHECK-NEXT: vmov q0, q2
; CHECK-NEXT: bx lr
entry:
%strided.vec = shufflevector <4 x float> %a, <4 x float> poison, <2 x i32> <i32 0, i32 2>
%strided.vec17 = shufflevector <4 x float> %a, <4 x float> poison, <2 x i32> <i32 1, i32 3>
%strided.vec19 = shufflevector <4 x float> %b, <4 x float> poison, <2 x i32> <i32 0, i32 2>
%strided.vec20 = shufflevector <4 x float> %b, <4 x float> poison, <2 x i32> <i32 1, i32 3>
%0 = fsub fast <2 x float> %strided.vec19, %strided.vec17
%1 = fadd fast <2 x float> %strided.vec20, %strided.vec
%interleaved.vec = shufflevector <2 x float> %0, <2 x float> %1, <4 x i32> <i32 0, i32 2, i32 1, i32 3>
ret <4 x float> %interleaved.vec
}
; Expected to not transform, fadd commutativity is not yet implemented
define arm_aapcs_vfpcc <4 x float> @simple_add_270_false(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: simple_add_270_false:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcadd.f32 q2, q0, q1, #270
; CHECK-NEXT: vmov q0, q2
; CHECK-NEXT: bx lr
entry:
%strided.vec = shufflevector <4 x float> %a, <4 x float> poison, <2 x i32> <i32 0, i32 2>
%strided.vec17 = shufflevector <4 x float> %a, <4 x float> poison, <2 x i32> <i32 1, i32 3>
%strided.vec19 = shufflevector <4 x float> %b, <4 x float> poison, <2 x i32> <i32 0, i32 2>
%strided.vec20 = shufflevector <4 x float> %b, <4 x float> poison, <2 x i32> <i32 1, i32 3>
%0 = fadd fast <2 x float> %strided.vec20, %strided.vec
%1 = fsub fast <2 x float> %strided.vec17, %strided.vec19
%interleaved.vec = shufflevector <2 x float> %0, <2 x float> %1, <4 x i32> <i32 0, i32 2, i32 1, i32 3>
ret <4 x float> %interleaved.vec
}
; Expected to transform
define arm_aapcs_vfpcc <4 x float> @simple_add_270_true(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: simple_add_270_true:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcadd.f32 q2, q0, q1, #270
; CHECK-NEXT: vmov q0, q2
; CHECK-NEXT: bx lr
entry:
%strided.vec = shufflevector <4 x float> %a, <4 x float> poison, <2 x i32> <i32 0, i32 2>
%strided.vec17 = shufflevector <4 x float> %a, <4 x float> poison, <2 x i32> <i32 1, i32 3>
%strided.vec19 = shufflevector <4 x float> %b, <4 x float> poison, <2 x i32> <i32 0, i32 2>
%strided.vec20 = shufflevector <4 x float> %b, <4 x float> poison, <2 x i32> <i32 1, i32 3>
%0 = fadd fast <2 x float> %strided.vec, %strided.vec20
%1 = fsub fast <2 x float> %strided.vec17, %strided.vec19
%interleaved.vec = shufflevector <2 x float> %0, <2 x float> %1, <4 x i32> <i32 0, i32 2, i32 1, i32 3>
ret <4 x float> %interleaved.vec
}
; Expected to not transform
define arm_aapcs_vfpcc <4 x float> @add_external_use(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: add_external_use:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vmov.f32 s8, s4
; CHECK-NEXT: vmov.f32 s12, s1
; CHECK-NEXT: vmov.f32 s4, s5
; CHECK-NEXT: vmov.f32 s9, s6
; CHECK-NEXT: vmov.f32 s13, s3
; CHECK-NEXT: vmov.f32 s5, s7
; CHECK-NEXT: vadd.f32 q2, q3, q2
; CHECK-NEXT: vmov.f32 s1, s2
; CHECK-NEXT: vsub.f32 q1, q0, q1
; CHECK-NEXT: vmov.f32 s1, s8
; CHECK-NEXT: vmov.f32 s0, s4
; CHECK-NEXT: vmov.f32 s2, s5
; CHECK-NEXT: vmov.f32 s3, s9
; 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 = fsub fast <2 x float> %a.real, %b.imag
%1 = fadd fast <2 x float> %a.imag, %b.real
%interleaved.vec = shufflevector <2 x float> %0, <2 x float> %1, <4 x i32> <i32 0, i32 2, i32 1, i32 3>
%dup = shufflevector <2 x float> %0, <2 x float> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
%interleaved.vec2 = shufflevector <4 x float> %interleaved.vec, <4 x float> %dup, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
ret <4 x float> %interleaved.vec2
}
define arm_aapcs_vfpcc <4 x float> @mul_mul_with_fneg(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: mul_mul_with_fneg:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vcmul.f32 q2, q1, q0, #270
; CHECK-NEXT: vcmla.f32 q2, q1, q0, #180
; 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 = fneg fast <2 x float> %a.imag
%1 = fmul fast <2 x float> %b.real, %0
%2 = fmul fast <2 x float> %a.real, %b.imag
%3 = fsub fast <2 x float> %1, %2
%4 = fmul fast <2 x float> %b.imag, %a.imag
%5 = fmul fast <2 x float> %a.real, %b.real
%6 = fsub fast <2 x float> %4, %5
%interleaved.vec = shufflevector <2 x float> %6, <2 x float> %3, <4 x i32> <i32 0, i32 2, i32 1, i32 3>
ret <4 x float> %interleaved.vec
}
; Expected to not transform
define arm_aapcs_vfpcc <12 x float> @abp90c12(<12 x float> %a, <12 x float> %b, <12 x float> %c) {
; CHECK-LABEL: abp90c12:
; 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: .pad #48
; CHECK-NEXT: sub sp, #48
; CHECK-NEXT: vldr s23, [sp, #124]
; CHECK-NEXT: vmov.f32 s20, s13
; CHECK-NEXT: vldr s22, [sp, #116]
; CHECK-NEXT: vmov.f32 s25, s11
; CHECK-NEXT: vmov.f32 s13, s10
; CHECK-NEXT: vldr s19, [sp, #120]
; CHECK-NEXT: vmov.f32 s11, s6
; CHECK-NEXT: vldr s18, [sp, #112]
; CHECK-NEXT: vmov.f32 s6, s5
; CHECK-NEXT: vldr s31, [sp, #172]
; CHECK-NEXT: vmov.f32 s10, s4
; CHECK-NEXT: vldr s30, [sp, #164]
; CHECK-NEXT: vmov.f32 s21, s15
; CHECK-NEXT: vldr s29, [sp, #156]
; CHECK-NEXT: vmov.f32 s5, s3
; CHECK-NEXT: vldr s28, [sp, #148]
; CHECK-NEXT: vmov.f32 s4, s1
; CHECK-NEXT: vmov.f32 s24, s9
; CHECK-NEXT: vmov.f32 s16, s12
; CHECK-NEXT: vstrw.32 q6, [sp, #16] @ 16-byte Spill
; CHECK-NEXT: vmov.f32 s12, s8
; CHECK-NEXT: vldr s27, [sp, #168]
; CHECK-NEXT: vmov.f32 s17, s14
; CHECK-NEXT: vldr s26, [sp, #160]
; CHECK-NEXT: vmov.f32 s9, s2
; CHECK-NEXT: vldr s25, [sp, #152]
; CHECK-NEXT: vmov.f32 s8, s0
; CHECK-NEXT: vmul.f32 q0, q5, q1
; CHECK-NEXT: vmul.f32 q1, q4, q1
; CHECK-NEXT: vneg.f32 q0, q0
; CHECK-NEXT: vldr s24, [sp, #144]
; CHECK-NEXT: vfma.f32 q1, q5, q2
; CHECK-NEXT: vstrw.32 q0, [sp] @ 16-byte Spill
; CHECK-NEXT: vstrw.32 q3, [sp, #32] @ 16-byte Spill
; CHECK-NEXT: vsub.f32 q6, q6, q1
; CHECK-NEXT: vldrw.u32 q1, [sp] @ 16-byte Reload
; CHECK-NEXT: vldr s13, [sp, #140]
; CHECK-NEXT: vfma.f32 q1, q4, q2
; CHECK-NEXT: vldr s12, [sp, #132]
; CHECK-NEXT: vadd.f32 q1, q7, q1
; CHECK-NEXT: vldrw.u32 q7, [sp, #16] @ 16-byte Reload
; CHECK-NEXT: vldr s1, [sp, #136]
; CHECK-NEXT: vstrw.32 q3, [sp, #16] @ 16-byte Spill
; CHECK-NEXT: vmul.f32 q2, q3, q7
; CHECK-NEXT: vldr s0, [sp, #128]
; CHECK-NEXT: vldrw.u32 q3, [sp, #32] @ 16-byte Reload
; CHECK-NEXT: vneg.f32 q2, q2
; CHECK-NEXT: vldr s21, [sp, #184]
; CHECK-NEXT: vfma.f32 q2, q0, q3
; CHECK-NEXT: vmul.f32 q0, q0, q7
; CHECK-NEXT: vldrw.u32 q7, [sp, #16] @ 16-byte Reload
; CHECK-NEXT: vldr s20, [sp, #176]
; CHECK-NEXT: vldr s17, [sp, #188]
; CHECK-NEXT: vldr s16, [sp, #180]
; CHECK-NEXT: vfma.f32 q0, q7, q3
; CHECK-NEXT: vsub.f32 q3, q5, q0
; CHECK-NEXT: vmov.f32 s1, s4
; CHECK-NEXT: vadd.f32 q4, q4, q2
; CHECK-NEXT: vmov.f32 s3, s5
; CHECK-NEXT: vmov.f32 s5, s6
; CHECK-NEXT: vmov.f32 s0, s24
; CHECK-NEXT: vmov.f32 s2, s25
; CHECK-NEXT: vmov.f32 s4, s26
; CHECK-NEXT: vmov.f32 s6, s27
; CHECK-NEXT: vmov.f32 s8, s12
; CHECK-NEXT: vmov.f32 s9, s16
; CHECK-NEXT: vmov.f32 s10, s13
; CHECK-NEXT: vmov.f32 s11, s17
; CHECK-NEXT: add sp, #48
; CHECK-NEXT: vpop {d8, d9, d10, d11, d12, d13, d14, d15}
; CHECK-NEXT: bx lr
entry:
%ar = shufflevector <12 x float> %a, <12 x float> poison, <6 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10>
%ai = shufflevector <12 x float> %a, <12 x float> poison, <6 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11>
%br = shufflevector <12 x float> %b, <12 x float> poison, <6 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10>
%bi = shufflevector <12 x float> %b, <12 x float> poison, <6 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11>
%cr = shufflevector <12 x float> %c, <12 x float> poison, <6 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10>
%ci = shufflevector <12 x float> %c, <12 x float> poison, <6 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11>
%i6 = fmul fast <6 x float> %br, %ar
%i7 = fmul fast <6 x float> %bi, %ai
%xr = fsub fast <6 x float> %i6, %i7
%i9 = fmul fast <6 x float> %bi, %ar
%i10 = fmul fast <6 x float> %br, %ai
%xi = fadd fast <6 x float> %i9, %i10
%zr = fsub fast <6 x float> %cr, %xi
%zi = fadd fast <6 x float> %ci, %xr
%interleaved.vec = shufflevector <6 x float> %zr, <6 x float> %zi, <12 x i32> <i32 0, i32 6, i32 1, i32 7, i32 2, i32 8, i32 3, i32 9, i32 4, i32 10, i32 5, i32 11>
ret <12 x float> %interleaved.vec
}