| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc --mtriple=aarch64-eabi -aarch64-neon-syntax=generic -mattr=+fullfp16 < %s | FileCheck --check-prefixes=CHECK,FULLFP16 %s |
| ; RUN: llc --mtriple=aarch64-eabi -aarch64-neon-syntax=generic < %s | FileCheck %s --check-prefixes=CHECK,CHECKNOFP16 |
| |
| define float @add_HalfS(<2 x float> %bin.rdx) { |
| ; CHECK-LABEL: add_HalfS: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: faddp s0, v0.2s |
| ; CHECK-NEXT: ret |
| %r = call fast float @llvm.vector.reduce.fadd.f32.v2f32(float -0.0, <2 x float> %bin.rdx) |
| ret float %r |
| } |
| |
| define half @add_HalfH(<4 x half> %bin.rdx) { |
| ; FULLFP16-LABEL: add_HalfH: |
| ; FULLFP16: // %bb.0: |
| ; FULLFP16-NEXT: faddp v0.4h, v0.4h, v0.4h |
| ; FULLFP16-NEXT: faddp h0, v0.2h |
| ; FULLFP16-NEXT: ret |
| ; |
| ; CHECKNOFP16-LABEL: add_HalfH: |
| ; CHECKNOFP16: // %bb.0: |
| ; CHECKNOFP16-NEXT: // kill: def $d0 killed $d0 def $q0 |
| ; CHECKNOFP16-NEXT: mov h1, v0.h[1] |
| ; CHECKNOFP16-NEXT: fcvt s2, h0 |
| ; CHECKNOFP16-NEXT: fcvt s1, h1 |
| ; CHECKNOFP16-NEXT: fadd s1, s2, s1 |
| ; CHECKNOFP16-NEXT: mov h2, v0.h[2] |
| ; CHECKNOFP16-NEXT: mov h0, v0.h[3] |
| ; CHECKNOFP16-NEXT: fcvt h1, s1 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fcvt s0, h0 |
| ; CHECKNOFP16-NEXT: fcvt s1, h1 |
| ; CHECKNOFP16-NEXT: fadd s1, s1, s2 |
| ; CHECKNOFP16-NEXT: fcvt h1, s1 |
| ; CHECKNOFP16-NEXT: fcvt s1, h1 |
| ; CHECKNOFP16-NEXT: fadd s0, s1, s0 |
| ; CHECKNOFP16-NEXT: fcvt h0, s0 |
| ; CHECKNOFP16-NEXT: ret |
| %r = call fast half @llvm.vector.reduce.fadd.f16.v4f16(half -0.0, <4 x half> %bin.rdx) |
| ret half %r |
| } |
| |
| |
| define half @add_H(<8 x half> %bin.rdx) { |
| ; FULLFP16-LABEL: add_H: |
| ; FULLFP16: // %bb.0: |
| ; FULLFP16-NEXT: faddp v1.8h, v0.8h, v0.8h |
| ; FULLFP16-NEXT: faddp v0.8h, v1.8h, v0.8h |
| ; FULLFP16-NEXT: faddp h0, v0.2h |
| ; FULLFP16-NEXT: ret |
| ; |
| ; CHECKNOFP16-LABEL: add_H: |
| ; CHECKNOFP16: // %bb.0: |
| ; CHECKNOFP16-NEXT: mov h1, v0.h[1] |
| ; CHECKNOFP16-NEXT: fcvt s2, h0 |
| ; CHECKNOFP16-NEXT: fcvt s1, h1 |
| ; CHECKNOFP16-NEXT: fadd s1, s2, s1 |
| ; CHECKNOFP16-NEXT: mov h2, v0.h[2] |
| ; CHECKNOFP16-NEXT: fcvt h1, s1 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fcvt s1, h1 |
| ; CHECKNOFP16-NEXT: fadd s1, s1, s2 |
| ; CHECKNOFP16-NEXT: mov h2, v0.h[3] |
| ; CHECKNOFP16-NEXT: fcvt h1, s1 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fcvt s1, h1 |
| ; CHECKNOFP16-NEXT: fadd s1, s1, s2 |
| ; CHECKNOFP16-NEXT: mov h2, v0.h[4] |
| ; CHECKNOFP16-NEXT: fcvt h1, s1 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fcvt s1, h1 |
| ; CHECKNOFP16-NEXT: fadd s1, s1, s2 |
| ; CHECKNOFP16-NEXT: mov h2, v0.h[5] |
| ; CHECKNOFP16-NEXT: fcvt h1, s1 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fcvt s1, h1 |
| ; CHECKNOFP16-NEXT: fadd s1, s1, s2 |
| ; CHECKNOFP16-NEXT: mov h2, v0.h[6] |
| ; CHECKNOFP16-NEXT: mov h0, v0.h[7] |
| ; CHECKNOFP16-NEXT: fcvt h1, s1 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fcvt s0, h0 |
| ; CHECKNOFP16-NEXT: fcvt s1, h1 |
| ; CHECKNOFP16-NEXT: fadd s1, s1, s2 |
| ; CHECKNOFP16-NEXT: fcvt h1, s1 |
| ; CHECKNOFP16-NEXT: fcvt s1, h1 |
| ; CHECKNOFP16-NEXT: fadd s0, s1, s0 |
| ; CHECKNOFP16-NEXT: fcvt h0, s0 |
| ; CHECKNOFP16-NEXT: ret |
| %r = call fast half @llvm.vector.reduce.fadd.f16.v8f16(half -0.0, <8 x half> %bin.rdx) |
| ret half %r |
| } |
| |
| define float @add_S(<4 x float> %bin.rdx) { |
| ; CHECK-LABEL: add_S: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: faddp v0.4s, v0.4s, v0.4s |
| ; CHECK-NEXT: faddp s0, v0.2s |
| ; CHECK-NEXT: ret |
| %r = call fast float @llvm.vector.reduce.fadd.f32.v4f32(float -0.0, <4 x float> %bin.rdx) |
| ret float %r |
| } |
| |
| define double @add_D(<2 x double> %bin.rdx) { |
| ; CHECK-LABEL: add_D: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: faddp d0, v0.2d |
| ; CHECK-NEXT: ret |
| %r = call fast double @llvm.vector.reduce.fadd.f64.v2f64(double -0.0, <2 x double> %bin.rdx) |
| ret double %r |
| } |
| |
| define half @add_2H(<16 x half> %bin.rdx) { |
| ; FULLFP16-LABEL: add_2H: |
| ; FULLFP16: // %bb.0: |
| ; FULLFP16-NEXT: fadd v0.8h, v0.8h, v1.8h |
| ; FULLFP16-NEXT: faddp v1.8h, v0.8h, v0.8h |
| ; FULLFP16-NEXT: faddp v0.8h, v1.8h, v0.8h |
| ; FULLFP16-NEXT: faddp h0, v0.2h |
| ; FULLFP16-NEXT: ret |
| ; |
| ; CHECKNOFP16-LABEL: add_2H: |
| ; CHECKNOFP16: // %bb.0: |
| ; CHECKNOFP16-NEXT: mov h2, v1.h[1] |
| ; CHECKNOFP16-NEXT: mov h3, v0.h[1] |
| ; CHECKNOFP16-NEXT: fcvt s4, h1 |
| ; CHECKNOFP16-NEXT: fcvt s5, h0 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fcvt s3, h3 |
| ; CHECKNOFP16-NEXT: fadd s4, s5, s4 |
| ; CHECKNOFP16-NEXT: mov h5, v0.h[2] |
| ; CHECKNOFP16-NEXT: fadd s2, s3, s2 |
| ; CHECKNOFP16-NEXT: mov h3, v1.h[2] |
| ; CHECKNOFP16-NEXT: fcvt h4, s4 |
| ; CHECKNOFP16-NEXT: fcvt s5, h5 |
| ; CHECKNOFP16-NEXT: fcvt h2, s2 |
| ; CHECKNOFP16-NEXT: fcvt s3, h3 |
| ; CHECKNOFP16-NEXT: fcvt s4, h4 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fadd s3, s5, s3 |
| ; CHECKNOFP16-NEXT: mov h5, v0.h[3] |
| ; CHECKNOFP16-NEXT: fadd s2, s4, s2 |
| ; CHECKNOFP16-NEXT: mov h4, v1.h[3] |
| ; CHECKNOFP16-NEXT: fcvt h3, s3 |
| ; CHECKNOFP16-NEXT: fcvt s5, h5 |
| ; CHECKNOFP16-NEXT: fcvt h2, s2 |
| ; CHECKNOFP16-NEXT: fcvt s4, h4 |
| ; CHECKNOFP16-NEXT: fcvt s3, h3 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fadd s4, s5, s4 |
| ; CHECKNOFP16-NEXT: mov h5, v0.h[4] |
| ; CHECKNOFP16-NEXT: fadd s2, s2, s3 |
| ; CHECKNOFP16-NEXT: mov h3, v1.h[4] |
| ; CHECKNOFP16-NEXT: fcvt h4, s4 |
| ; CHECKNOFP16-NEXT: fcvt s5, h5 |
| ; CHECKNOFP16-NEXT: fcvt h2, s2 |
| ; CHECKNOFP16-NEXT: fcvt s3, h3 |
| ; CHECKNOFP16-NEXT: fcvt s4, h4 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fadd s3, s5, s3 |
| ; CHECKNOFP16-NEXT: mov h5, v0.h[5] |
| ; CHECKNOFP16-NEXT: fadd s2, s2, s4 |
| ; CHECKNOFP16-NEXT: mov h4, v1.h[5] |
| ; CHECKNOFP16-NEXT: fcvt h3, s3 |
| ; CHECKNOFP16-NEXT: fcvt s5, h5 |
| ; CHECKNOFP16-NEXT: fcvt h2, s2 |
| ; CHECKNOFP16-NEXT: fcvt s4, h4 |
| ; CHECKNOFP16-NEXT: fcvt s3, h3 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fadd s4, s5, s4 |
| ; CHECKNOFP16-NEXT: mov h5, v0.h[6] |
| ; CHECKNOFP16-NEXT: mov h0, v0.h[7] |
| ; CHECKNOFP16-NEXT: fadd s2, s2, s3 |
| ; CHECKNOFP16-NEXT: mov h3, v1.h[6] |
| ; CHECKNOFP16-NEXT: fcvt h4, s4 |
| ; CHECKNOFP16-NEXT: fcvt s5, h5 |
| ; CHECKNOFP16-NEXT: mov h1, v1.h[7] |
| ; CHECKNOFP16-NEXT: fcvt s0, h0 |
| ; CHECKNOFP16-NEXT: fcvt h2, s2 |
| ; CHECKNOFP16-NEXT: fcvt s3, h3 |
| ; CHECKNOFP16-NEXT: fcvt s4, h4 |
| ; CHECKNOFP16-NEXT: fcvt s1, h1 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fadd s3, s5, s3 |
| ; CHECKNOFP16-NEXT: fadd s0, s0, s1 |
| ; CHECKNOFP16-NEXT: fadd s2, s2, s4 |
| ; CHECKNOFP16-NEXT: fcvt h3, s3 |
| ; CHECKNOFP16-NEXT: fcvt h0, s0 |
| ; CHECKNOFP16-NEXT: fcvt h2, s2 |
| ; CHECKNOFP16-NEXT: fcvt s3, h3 |
| ; CHECKNOFP16-NEXT: fcvt s0, h0 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fadd s2, s2, s3 |
| ; CHECKNOFP16-NEXT: fcvt h1, s2 |
| ; CHECKNOFP16-NEXT: fcvt s1, h1 |
| ; CHECKNOFP16-NEXT: fadd s0, s1, s0 |
| ; CHECKNOFP16-NEXT: fcvt h0, s0 |
| ; CHECKNOFP16-NEXT: ret |
| %r = call fast half @llvm.vector.reduce.fadd.f16.v16f16(half -0.0, <16 x half> %bin.rdx) |
| ret half %r |
| } |
| |
| define float @add_2S(<8 x float> %bin.rdx) { |
| ; CHECK-LABEL: add_2S: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: fadd v0.4s, v0.4s, v1.4s |
| ; CHECK-NEXT: faddp v0.4s, v0.4s, v0.4s |
| ; CHECK-NEXT: faddp s0, v0.2s |
| ; CHECK-NEXT: ret |
| %r = call fast float @llvm.vector.reduce.fadd.f32.v8f32(float -0.0, <8 x float> %bin.rdx) |
| ret float %r |
| } |
| |
| define double @add_2D(<4 x double> %bin.rdx) { |
| ; CHECK-LABEL: add_2D: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: fadd v0.2d, v0.2d, v1.2d |
| ; CHECK-NEXT: faddp d0, v0.2d |
| ; CHECK-NEXT: ret |
| %r = call fast double @llvm.vector.reduce.fadd.f64.v4f64(double -0.0, <4 x double> %bin.rdx) |
| ret double %r |
| } |
| |
| ; Added at least one test where the start value is not -0.0. |
| define float @add_S_init_42(<4 x float> %bin.rdx) { |
| ; CHECK-LABEL: add_S_init_42: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: faddp v0.4s, v0.4s, v0.4s |
| ; CHECK-NEXT: mov w8, #1109917696 |
| ; CHECK-NEXT: fmov s1, w8 |
| ; CHECK-NEXT: faddp s0, v0.2s |
| ; CHECK-NEXT: fadd s0, s0, s1 |
| ; CHECK-NEXT: ret |
| %r = call fast float @llvm.vector.reduce.fadd.f32.v4f32(float 42.0, <4 x float> %bin.rdx) |
| ret float %r |
| } |
| |
| ; FIXME: The faddp.4s in the loop should not use v0.4s as second operand, |
| ; because this introduces an unnecessary cross-iteration dependency. |
| define float @fadd_reduction_v4f32_in_loop(float* %ptr.start) { |
| ; CHECK-LABEL: fadd_reduction_v4f32_in_loop: |
| ; CHECK: // %bb.0: // %entry |
| ; CHECK-NEXT: movi d0, #0000000000000000 |
| ; CHECK-NEXT: mov x8, xzr |
| ; CHECK-NEXT: .LBB9_1: // %loop |
| ; CHECK-NEXT: // =>This Inner Loop Header: Depth=1 |
| ; CHECK-NEXT: ldr q1, [x0, x8] |
| ; CHECK-NEXT: add x8, x8, #16 |
| ; CHECK-NEXT: cmp w8, #112 |
| ; CHECK-NEXT: faddp v1.4s, v1.4s, v1.4s |
| ; CHECK-NEXT: faddp s1, v1.2s |
| ; CHECK-NEXT: fadd s0, s1, s0 |
| ; CHECK-NEXT: b.ne .LBB9_1 |
| ; CHECK-NEXT: // %bb.2: // %exit |
| ; CHECK-NEXT: ret |
| entry: |
| br label %loop |
| |
| loop: |
| %iv = phi i32 [ 1, %entry ], [ %iv.next, %loop ] |
| %ptr = phi float* [ %ptr.start, %entry ], [ %ptr.next, %loop ] |
| %red = phi float [ 0.000000e+00, %entry ], [ %red.next, %loop ] |
| %ptr.bc = bitcast float* %ptr to <4 x float>* |
| %lv = load <4 x float>, <4 x float>* %ptr.bc, align 4 |
| %r = call fast float @llvm.vector.reduce.fadd.f32.v4f32(float -0.0, <4 x float> %lv) |
| %red.next = fadd fast float %r, %red |
| %ec = icmp eq i32 %iv, 7 |
| %ptr.next = getelementptr inbounds float, float* %ptr, i64 4 |
| %iv.next= add nuw nsw i32 %iv, 1 |
| br i1 %ec, label %exit, label %loop |
| |
| exit: |
| ret float %red.next |
| } |
| |
| ; FIXME: The faddp.4h in the loop should not use v0.4h as second operand, |
| ; because this introduces an unnecessary cross-iteration dependency. |
| define half @fadd_reduction_v4f16_in_loop(half* %ptr.start) { |
| ; FULLFP16-LABEL: fadd_reduction_v4f16_in_loop: |
| ; FULLFP16: // %bb.0: // %entry |
| ; FULLFP16-NEXT: movi d0, #0000000000000000 |
| ; FULLFP16-NEXT: mov x8, xzr |
| ; FULLFP16-NEXT: .LBB10_1: // %loop |
| ; FULLFP16-NEXT: // =>This Inner Loop Header: Depth=1 |
| ; FULLFP16-NEXT: ldr d1, [x0, x8] |
| ; FULLFP16-NEXT: add x8, x8, #8 |
| ; FULLFP16-NEXT: cmp w8, #56 |
| ; FULLFP16-NEXT: faddp v1.4h, v1.4h, v1.4h |
| ; FULLFP16-NEXT: faddp h1, v1.2h |
| ; FULLFP16-NEXT: fadd h0, h1, h0 |
| ; FULLFP16-NEXT: b.ne .LBB10_1 |
| ; FULLFP16-NEXT: // %bb.2: // %exit |
| ; FULLFP16-NEXT: ret |
| ; |
| ; CHECKNOFP16-LABEL: fadd_reduction_v4f16_in_loop: |
| ; CHECKNOFP16: // %bb.0: // %entry |
| ; CHECKNOFP16-NEXT: adrp x9, .LCPI10_0 |
| ; CHECKNOFP16-NEXT: mov x8, xzr |
| ; CHECKNOFP16-NEXT: ldr h0, [x9, :lo12:.LCPI10_0] |
| ; CHECKNOFP16-NEXT: .LBB10_1: // %loop |
| ; CHECKNOFP16-NEXT: // =>This Inner Loop Header: Depth=1 |
| ; CHECKNOFP16-NEXT: ldr d1, [x0, x8] |
| ; CHECKNOFP16-NEXT: fcvt s0, h0 |
| ; CHECKNOFP16-NEXT: add x8, x8, #8 |
| ; CHECKNOFP16-NEXT: cmp w8, #56 |
| ; CHECKNOFP16-NEXT: mov h2, v1.h[1] |
| ; CHECKNOFP16-NEXT: fcvt s3, h1 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fadd s2, s3, s2 |
| ; CHECKNOFP16-NEXT: mov h3, v1.h[2] |
| ; CHECKNOFP16-NEXT: mov h1, v1.h[3] |
| ; CHECKNOFP16-NEXT: fcvt h2, s2 |
| ; CHECKNOFP16-NEXT: fcvt s3, h3 |
| ; CHECKNOFP16-NEXT: fcvt s1, h1 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fadd s2, s2, s3 |
| ; CHECKNOFP16-NEXT: fcvt h2, s2 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fadd s1, s2, s1 |
| ; CHECKNOFP16-NEXT: fcvt h1, s1 |
| ; CHECKNOFP16-NEXT: fcvt s1, h1 |
| ; CHECKNOFP16-NEXT: fadd s0, s1, s0 |
| ; CHECKNOFP16-NEXT: fcvt h0, s0 |
| ; CHECKNOFP16-NEXT: b.ne .LBB10_1 |
| ; CHECKNOFP16-NEXT: // %bb.2: // %exit |
| ; CHECKNOFP16-NEXT: ret |
| entry: |
| br label %loop |
| |
| loop: |
| %iv = phi i32 [ 1, %entry ], [ %iv.next, %loop ] |
| %ptr = phi half* [ %ptr.start, %entry ], [ %ptr.next, %loop ] |
| %red = phi half [ 0.000000e+00, %entry ], [ %red.next, %loop ] |
| %ptr.bc = bitcast half* %ptr to <4 x half>* |
| %lv = load <4 x half>, <4 x half>* %ptr.bc, align 4 |
| %r = call fast half @llvm.vector.reduce.fadd.f16.v4f16(half -0.0, <4 x half> %lv) |
| %red.next = fadd fast half %r, %red |
| %ec = icmp eq i32 %iv, 7 |
| %ptr.next = getelementptr inbounds half, half* %ptr, i64 4 |
| %iv.next= add nuw nsw i32 %iv, 1 |
| br i1 %ec, label %exit, label %loop |
| |
| exit: |
| ret half %red.next |
| } |
| |
| ; FIXME: The faddp.8h in the loop should not use v0.8h as second operand, |
| ; because this introduces an unnecessary cross-iteration dependency. |
| define half @fadd_reduction_v8f16_in_loop(half* %ptr.start) { |
| ; FULLFP16-LABEL: fadd_reduction_v8f16_in_loop: |
| ; FULLFP16: // %bb.0: // %entry |
| ; FULLFP16-NEXT: movi d0, #0000000000000000 |
| ; FULLFP16-NEXT: mov x8, xzr |
| ; FULLFP16-NEXT: .LBB11_1: // %loop |
| ; FULLFP16-NEXT: // =>This Inner Loop Header: Depth=1 |
| ; FULLFP16-NEXT: ldr q1, [x0, x8] |
| ; FULLFP16-NEXT: add x8, x8, #8 |
| ; FULLFP16-NEXT: cmp w8, #56 |
| ; FULLFP16-NEXT: faddp v2.8h, v1.8h, v1.8h |
| ; FULLFP16-NEXT: faddp v1.8h, v2.8h, v1.8h |
| ; FULLFP16-NEXT: faddp h1, v1.2h |
| ; FULLFP16-NEXT: fadd h0, h1, h0 |
| ; FULLFP16-NEXT: b.ne .LBB11_1 |
| ; FULLFP16-NEXT: // %bb.2: // %exit |
| ; FULLFP16-NEXT: ret |
| ; |
| ; CHECKNOFP16-LABEL: fadd_reduction_v8f16_in_loop: |
| ; CHECKNOFP16: // %bb.0: // %entry |
| ; CHECKNOFP16-NEXT: adrp x9, .LCPI11_0 |
| ; CHECKNOFP16-NEXT: mov x8, xzr |
| ; CHECKNOFP16-NEXT: ldr h0, [x9, :lo12:.LCPI11_0] |
| ; CHECKNOFP16-NEXT: .LBB11_1: // %loop |
| ; CHECKNOFP16-NEXT: // =>This Inner Loop Header: Depth=1 |
| ; CHECKNOFP16-NEXT: ldr q1, [x0, x8] |
| ; CHECKNOFP16-NEXT: fcvt s0, h0 |
| ; CHECKNOFP16-NEXT: add x8, x8, #8 |
| ; CHECKNOFP16-NEXT: cmp w8, #56 |
| ; CHECKNOFP16-NEXT: mov h2, v1.h[1] |
| ; CHECKNOFP16-NEXT: fcvt s3, h1 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fadd s2, s3, s2 |
| ; CHECKNOFP16-NEXT: mov h3, v1.h[2] |
| ; CHECKNOFP16-NEXT: fcvt h2, s2 |
| ; CHECKNOFP16-NEXT: fcvt s3, h3 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fadd s2, s2, s3 |
| ; CHECKNOFP16-NEXT: mov h3, v1.h[3] |
| ; CHECKNOFP16-NEXT: fcvt h2, s2 |
| ; CHECKNOFP16-NEXT: fcvt s3, h3 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fadd s2, s2, s3 |
| ; CHECKNOFP16-NEXT: mov h3, v1.h[4] |
| ; CHECKNOFP16-NEXT: fcvt h2, s2 |
| ; CHECKNOFP16-NEXT: fcvt s3, h3 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fadd s2, s2, s3 |
| ; CHECKNOFP16-NEXT: mov h3, v1.h[5] |
| ; CHECKNOFP16-NEXT: fcvt h2, s2 |
| ; CHECKNOFP16-NEXT: fcvt s3, h3 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fadd s2, s2, s3 |
| ; CHECKNOFP16-NEXT: mov h3, v1.h[6] |
| ; CHECKNOFP16-NEXT: mov h1, v1.h[7] |
| ; CHECKNOFP16-NEXT: fcvt h2, s2 |
| ; CHECKNOFP16-NEXT: fcvt s3, h3 |
| ; CHECKNOFP16-NEXT: fcvt s1, h1 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fadd s2, s2, s3 |
| ; CHECKNOFP16-NEXT: fcvt h2, s2 |
| ; CHECKNOFP16-NEXT: fcvt s2, h2 |
| ; CHECKNOFP16-NEXT: fadd s1, s2, s1 |
| ; CHECKNOFP16-NEXT: fcvt h1, s1 |
| ; CHECKNOFP16-NEXT: fcvt s1, h1 |
| ; CHECKNOFP16-NEXT: fadd s0, s1, s0 |
| ; CHECKNOFP16-NEXT: fcvt h0, s0 |
| ; CHECKNOFP16-NEXT: b.ne .LBB11_1 |
| ; CHECKNOFP16-NEXT: // %bb.2: // %exit |
| ; CHECKNOFP16-NEXT: ret |
| entry: |
| br label %loop |
| |
| loop: |
| %iv = phi i32 [ 1, %entry ], [ %iv.next, %loop ] |
| %ptr = phi half* [ %ptr.start, %entry ], [ %ptr.next, %loop ] |
| %red = phi half [ 0.000000e+00, %entry ], [ %red.next, %loop ] |
| %ptr.bc = bitcast half* %ptr to <8 x half>* |
| %lv = load <8 x half>, <8 x half>* %ptr.bc, align 4 |
| %r = call fast half @llvm.vector.reduce.fadd.f16.v8f16(half -0.0, <8 x half> %lv) |
| %red.next = fadd fast half %r, %red |
| %ec = icmp eq i32 %iv, 7 |
| %ptr.next = getelementptr inbounds half, half* %ptr, i64 4 |
| %iv.next= add nuw nsw i32 %iv, 1 |
| br i1 %ec, label %exit, label %loop |
| |
| exit: |
| ret half %red.next |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare half @llvm.vector.reduce.fadd.f16.v4f16(half, <4 x half>) |
| declare half @llvm.vector.reduce.fadd.f16.v8f16(half, <8 x half>) |
| declare half @llvm.vector.reduce.fadd.f16.v16f16(half, <16 x half>) |
| declare float @llvm.vector.reduce.fadd.f32.v2f32(float, <2 x float>) |
| declare float @llvm.vector.reduce.fadd.f32.v4f32(float, <4 x float>) |
| declare float @llvm.vector.reduce.fadd.f32.v8f32(float, <8 x float>) |
| declare double @llvm.vector.reduce.fadd.f64.v2f64(double, <2 x double>) |
| declare double @llvm.vector.reduce.fadd.f64.v4f64(double, <4 x double>) |
