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llvm / llvm-project / cdf75df183a7b32b83a9944f991b44d3d7e4cd7f / . / llvm / test / CodeGen / RISCV / rvv / dont-sink-splat-operands.ll
blob: 31fa5d025156f05cdc0ba5380190419fa11163bc [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=riscv64 -mattr=+m,+v,+f -target-abi=lp64f \
; RUN: -mattr=+no-sink-splat-operands -riscv-v-vector-bits-min=128 \
; RUN: | FileCheck -check-prefix=NO-SINK %s
; RUN: llc < %s -mtriple=riscv64 -mattr=+m,+v,+f -target-abi=lp64f \
; RUN: -mattr=-no-sink-splat-operands -riscv-v-vector-bits-min=128 \
; RUN: | FileCheck -check-prefix=SINK %s
; RUN: llc < %s -mtriple=riscv64 -mattr=+m,+v,+f -target-abi=lp64f \
; RUN: -riscv-v-vector-bits-min=128 \
; RUN: | FileCheck -check-prefix=DEFAULT %s
; Test that we don't sink splat operands when compiling with no-sink-splat-operands.
; Each scalar register access requires a S2V transfer buffer entry. Using too many
; limits performance.
; FIXME: This is potentially bad for register pressure. Need a better heuristic.
define void @sink_splat_add(ptr nocapture %a, i32 signext %x) {
; NO-SINK-LABEL: sink_splat_add:
; NO-SINK: # %bb.0: # %entry
; NO-SINK-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; NO-SINK-NEXT: vmv.v.x v8, a1
; NO-SINK-NEXT: lui a1, 1
; NO-SINK-NEXT: add a1, a0, a1
; NO-SINK-NEXT: .LBB0_1: # %vector.body
; NO-SINK-NEXT: # =>This Inner Loop Header: Depth=1
; NO-SINK-NEXT: vle32.v v9, (a0)
; NO-SINK-NEXT: vadd.vv v9, v9, v8
; NO-SINK-NEXT: vse32.v v9, (a0)
; NO-SINK-NEXT: addi a0, a0, 16
; NO-SINK-NEXT: bne a0, a1, .LBB0_1
; NO-SINK-NEXT: # %bb.2: # %for.cond.cleanup
; NO-SINK-NEXT: ret
;
; SINK-LABEL: sink_splat_add:
; SINK: # %bb.0: # %entry
; SINK-NEXT: lui a2, 1
; SINK-NEXT: add a2, a0, a2
; SINK-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; SINK-NEXT: .LBB0_1: # %vector.body
; SINK-NEXT: # =>This Inner Loop Header: Depth=1
; SINK-NEXT: vle32.v v8, (a0)
; SINK-NEXT: vadd.vx v8, v8, a1
; SINK-NEXT: vse32.v v8, (a0)
; SINK-NEXT: addi a0, a0, 16
; SINK-NEXT: bne a0, a2, .LBB0_1
; SINK-NEXT: # %bb.2: # %for.cond.cleanup
; SINK-NEXT: ret
;
; DEFAULT-LABEL: sink_splat_add:
; DEFAULT: # %bb.0: # %entry
; DEFAULT-NEXT: lui a2, 1
; DEFAULT-NEXT: add a2, a0, a2
; DEFAULT-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; DEFAULT-NEXT: .LBB0_1: # %vector.body
; DEFAULT-NEXT: # =>This Inner Loop Header: Depth=1
; DEFAULT-NEXT: vle32.v v8, (a0)
; DEFAULT-NEXT: vadd.vx v8, v8, a1
; DEFAULT-NEXT: vse32.v v8, (a0)
; DEFAULT-NEXT: addi a0, a0, 16
; DEFAULT-NEXT: bne a0, a2, .LBB0_1
; DEFAULT-NEXT: # %bb.2: # %for.cond.cleanup
; DEFAULT-NEXT: ret
entry:
%broadcast.splatinsert = insertelement <4 x i32> poison, i32 %x, i32 0
%broadcast.splat = shufflevector <4 x i32> %broadcast.splatinsert, <4 x i32> poison, <4 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %entry
%index = phi i64 [ 0, %entry ], [ %index.next, %vector.body ]
%0 = getelementptr inbounds i32, ptr %a, i64 %index
%1 = bitcast ptr %0 to ptr
%wide.load = load <4 x i32>, ptr %1, align 4
%2 = add <4 x i32> %wide.load, %broadcast.splat
%3 = bitcast ptr %0 to ptr
store <4 x i32> %2, ptr %3, align 4
%index.next = add nuw i64 %index, 4
%4 = icmp eq i64 %index.next, 1024
br i1 %4, label %for.cond.cleanup, label %vector.body
for.cond.cleanup: ; preds = %vector.body
ret void
}
declare i64 @llvm.vscale.i64()
define void @sink_splat_add_scalable(ptr nocapture %a, i32 signext %x) {
; NO-SINK-LABEL: sink_splat_add_scalable:
; NO-SINK: # %bb.0: # %entry
; NO-SINK-NEXT: csrr a5, vlenb
; NO-SINK-NEXT: srli a3, a5, 1
; NO-SINK-NEXT: li a2, 1024
; NO-SINK-NEXT: bgeu a2, a3, .LBB1_2
; NO-SINK-NEXT: # %bb.1:
; NO-SINK-NEXT: li a2, 0
; NO-SINK-NEXT: j .LBB1_5
; NO-SINK-NEXT: .LBB1_2: # %vector.ph
; NO-SINK-NEXT: addi a2, a3, -1
; NO-SINK-NEXT: andi a4, a2, 1024
; NO-SINK-NEXT: xori a2, a4, 1024
; NO-SINK-NEXT: vsetvli a6, zero, e32, m2, ta, ma
; NO-SINK-NEXT: vmv.v.x v8, a1
; NO-SINK-NEXT: slli a5, a5, 1
; NO-SINK-NEXT: mv a6, a0
; NO-SINK-NEXT: mv a7, a2
; NO-SINK-NEXT: .LBB1_3: # %vector.body
; NO-SINK-NEXT: # =>This Inner Loop Header: Depth=1
; NO-SINK-NEXT: vl2re32.v v10, (a6)
; NO-SINK-NEXT: sub a7, a7, a3
; NO-SINK-NEXT: vadd.vv v10, v10, v8
; NO-SINK-NEXT: vs2r.v v10, (a6)
; NO-SINK-NEXT: add a6, a6, a5
; NO-SINK-NEXT: bnez a7, .LBB1_3
; NO-SINK-NEXT: # %bb.4: # %middle.block
; NO-SINK-NEXT: beqz a4, .LBB1_7
; NO-SINK-NEXT: .LBB1_5: # %for.body.preheader
; NO-SINK-NEXT: slli a2, a2, 2
; NO-SINK-NEXT: lui a3, 1
; NO-SINK-NEXT: add a2, a0, a2
; NO-SINK-NEXT: add a0, a0, a3
; NO-SINK-NEXT: .LBB1_6: # %for.body
; NO-SINK-NEXT: # =>This Inner Loop Header: Depth=1
; NO-SINK-NEXT: lw a3, 0(a2)
; NO-SINK-NEXT: add a3, a3, a1
; NO-SINK-NEXT: sw a3, 0(a2)
; NO-SINK-NEXT: addi a2, a2, 4
; NO-SINK-NEXT: bne a2, a0, .LBB1_6
; NO-SINK-NEXT: .LBB1_7: # %for.cond.cleanup
; NO-SINK-NEXT: ret
;
; SINK-LABEL: sink_splat_add_scalable:
; SINK: # %bb.0: # %entry
; SINK-NEXT: csrr a5, vlenb
; SINK-NEXT: srli a3, a5, 1
; SINK-NEXT: li a2, 1024
; SINK-NEXT: bgeu a2, a3, .LBB1_2
; SINK-NEXT: # %bb.1:
; SINK-NEXT: li a2, 0
; SINK-NEXT: j .LBB1_5
; SINK-NEXT: .LBB1_2: # %vector.ph
; SINK-NEXT: addi a2, a3, -1
; SINK-NEXT: andi a4, a2, 1024
; SINK-NEXT: xori a2, a4, 1024
; SINK-NEXT: slli a5, a5, 1
; SINK-NEXT: mv a6, a0
; SINK-NEXT: mv a7, a2
; SINK-NEXT: vsetvli t0, zero, e32, m2, ta, ma
; SINK-NEXT: .LBB1_3: # %vector.body
; SINK-NEXT: # =>This Inner Loop Header: Depth=1
; SINK-NEXT: vl2re32.v v8, (a6)
; SINK-NEXT: sub a7, a7, a3
; SINK-NEXT: vadd.vx v8, v8, a1
; SINK-NEXT: vs2r.v v8, (a6)
; SINK-NEXT: add a6, a6, a5
; SINK-NEXT: bnez a7, .LBB1_3
; SINK-NEXT: # %bb.4: # %middle.block
; SINK-NEXT: beqz a4, .LBB1_7
; SINK-NEXT: .LBB1_5: # %for.body.preheader
; SINK-NEXT: slli a2, a2, 2
; SINK-NEXT: lui a3, 1
; SINK-NEXT: add a2, a0, a2
; SINK-NEXT: add a0, a0, a3
; SINK-NEXT: .LBB1_6: # %for.body
; SINK-NEXT: # =>This Inner Loop Header: Depth=1
; SINK-NEXT: lw a3, 0(a2)
; SINK-NEXT: add a3, a3, a1
; SINK-NEXT: sw a3, 0(a2)
; SINK-NEXT: addi a2, a2, 4
; SINK-NEXT: bne a2, a0, .LBB1_6
; SINK-NEXT: .LBB1_7: # %for.cond.cleanup
; SINK-NEXT: ret
;
; DEFAULT-LABEL: sink_splat_add_scalable:
; DEFAULT: # %bb.0: # %entry
; DEFAULT-NEXT: csrr a5, vlenb
; DEFAULT-NEXT: srli a3, a5, 1
; DEFAULT-NEXT: li a2, 1024
; DEFAULT-NEXT: bgeu a2, a3, .LBB1_2
; DEFAULT-NEXT: # %bb.1:
; DEFAULT-NEXT: li a2, 0
; DEFAULT-NEXT: j .LBB1_5
; DEFAULT-NEXT: .LBB1_2: # %vector.ph
; DEFAULT-NEXT: addi a2, a3, -1
; DEFAULT-NEXT: andi a4, a2, 1024
; DEFAULT-NEXT: xori a2, a4, 1024
; DEFAULT-NEXT: slli a5, a5, 1
; DEFAULT-NEXT: mv a6, a0
; DEFAULT-NEXT: mv a7, a2
; DEFAULT-NEXT: vsetvli t0, zero, e32, m2, ta, ma
; DEFAULT-NEXT: .LBB1_3: # %vector.body
; DEFAULT-NEXT: # =>This Inner Loop Header: Depth=1
; DEFAULT-NEXT: vl2re32.v v8, (a6)
; DEFAULT-NEXT: sub a7, a7, a3
; DEFAULT-NEXT: vadd.vx v8, v8, a1
; DEFAULT-NEXT: vs2r.v v8, (a6)
; DEFAULT-NEXT: add a6, a6, a5
; DEFAULT-NEXT: bnez a7, .LBB1_3
; DEFAULT-NEXT: # %bb.4: # %middle.block
; DEFAULT-NEXT: beqz a4, .LBB1_7
; DEFAULT-NEXT: .LBB1_5: # %for.body.preheader
; DEFAULT-NEXT: slli a2, a2, 2
; DEFAULT-NEXT: lui a3, 1
; DEFAULT-NEXT: add a2, a0, a2
; DEFAULT-NEXT: add a0, a0, a3
; DEFAULT-NEXT: .LBB1_6: # %for.body
; DEFAULT-NEXT: # =>This Inner Loop Header: Depth=1
; DEFAULT-NEXT: lw a3, 0(a2)
; DEFAULT-NEXT: add a3, a3, a1
; DEFAULT-NEXT: sw a3, 0(a2)
; DEFAULT-NEXT: addi a2, a2, 4
; DEFAULT-NEXT: bne a2, a0, .LBB1_6
; DEFAULT-NEXT: .LBB1_7: # %for.cond.cleanup
; DEFAULT-NEXT: ret
entry:
%0 = call i64 @llvm.vscale.i64()
%1 = shl i64 %0, 2
%min.iters.check = icmp ugt i64 %1, 1024
br i1 %min.iters.check, label %for.body.preheader, label %vector.ph
vector.ph: ; preds = %entry
%2 = call i64 @llvm.vscale.i64()
%3 = shl i64 %2, 2
%n.mod.vf = urem i64 1024, %3
%n.vec = sub nsw i64 1024, %n.mod.vf
%broadcast.splatinsert = insertelement <vscale x 4 x i32> poison, i32 %x, i32 0
%broadcast.splat = shufflevector <vscale x 4 x i32> %broadcast.splatinsert, <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
%4 = call i64 @llvm.vscale.i64()
%5 = shl i64 %4, 2
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%6 = getelementptr inbounds i32, ptr %a, i64 %index
%7 = bitcast ptr %6 to ptr
%wide.load = load <vscale x 4 x i32>, ptr %7, align 4
%8 = add <vscale x 4 x i32> %wide.load, %broadcast.splat
%9 = bitcast ptr %6 to ptr
store <vscale x 4 x i32> %8, ptr %9, align 4
%index.next = add nuw i64 %index, %5
%10 = icmp eq i64 %index.next, %n.vec
br i1 %10, label %middle.block, label %vector.body
middle.block: ; preds = %vector.body
%cmp.n = icmp eq i64 %n.mod.vf, 0
br i1 %cmp.n, label %for.cond.cleanup, label %for.body.preheader
for.body.preheader: ; preds = %entry, %middle.block
%indvars.iv.ph = phi i64 [ 0, %entry ], [ %n.vec, %middle.block ]
br label %for.body
for.cond.cleanup: ; preds = %for.body, %middle.block
ret void
for.body: ; preds = %for.body.preheader, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ %indvars.iv.ph, %for.body.preheader ]
%arrayidx = getelementptr inbounds i32, ptr %a, i64 %indvars.iv
%11 = load i32, ptr %arrayidx, align 4
%add = add i32 %11, %x
store i32 %add, ptr %arrayidx, align 4
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%cmp.not = icmp eq i64 %indvars.iv.next, 1024
br i1 %cmp.not, label %for.cond.cleanup, label %for.body
}
declare <4 x i32> @llvm.vp.add.v4i32(<4 x i32>, <4 x i32>, <4 x i1>, i32)
define void @sink_splat_vp_add(ptr nocapture %a, i32 signext %x, <4 x i1> %m, i32 zeroext %vl) {
; NO-SINK-LABEL: sink_splat_vp_add:
; NO-SINK: # %bb.0: # %entry
; NO-SINK-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; NO-SINK-NEXT: vmv.v.x v8, a1
; NO-SINK-NEXT: lui a1, 1
; NO-SINK-NEXT: add a1, a0, a1
; NO-SINK-NEXT: .LBB2_1: # %vector.body
; NO-SINK-NEXT: # =>This Inner Loop Header: Depth=1
; NO-SINK-NEXT: vle32.v v9, (a0)
; NO-SINK-NEXT: vsetvli zero, a2, e32, m1, ta, ma
; NO-SINK-NEXT: vadd.vv v9, v9, v8, v0.t
; NO-SINK-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; NO-SINK-NEXT: vse32.v v9, (a0)
; NO-SINK-NEXT: addi a0, a0, 16
; NO-SINK-NEXT: bne a0, a1, .LBB2_1
; NO-SINK-NEXT: # %bb.2: # %for.cond.cleanup
; NO-SINK-NEXT: ret
;
; SINK-LABEL: sink_splat_vp_add:
; SINK: # %bb.0: # %entry
; SINK-NEXT: lui a3, 1
; SINK-NEXT: add a3, a0, a3
; SINK-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; SINK-NEXT: .LBB2_1: # %vector.body
; SINK-NEXT: # =>This Inner Loop Header: Depth=1
; SINK-NEXT: vle32.v v8, (a0)
; SINK-NEXT: vsetvli zero, a2, e32, m1, ta, ma
; SINK-NEXT: vadd.vx v8, v8, a1, v0.t
; SINK-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; SINK-NEXT: vse32.v v8, (a0)
; SINK-NEXT: addi a0, a0, 16
; SINK-NEXT: bne a0, a3, .LBB2_1
; SINK-NEXT: # %bb.2: # %for.cond.cleanup
; SINK-NEXT: ret
;
; DEFAULT-LABEL: sink_splat_vp_add:
; DEFAULT: # %bb.0: # %entry
; DEFAULT-NEXT: lui a3, 1
; DEFAULT-NEXT: add a3, a0, a3
; DEFAULT-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; DEFAULT-NEXT: .LBB2_1: # %vector.body
; DEFAULT-NEXT: # =>This Inner Loop Header: Depth=1
; DEFAULT-NEXT: vle32.v v8, (a0)
; DEFAULT-NEXT: vsetvli zero, a2, e32, m1, ta, ma
; DEFAULT-NEXT: vadd.vx v8, v8, a1, v0.t
; DEFAULT-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; DEFAULT-NEXT: vse32.v v8, (a0)
; DEFAULT-NEXT: addi a0, a0, 16
; DEFAULT-NEXT: bne a0, a3, .LBB2_1
; DEFAULT-NEXT: # %bb.2: # %for.cond.cleanup
; DEFAULT-NEXT: ret
entry:
%broadcast.splatinsert = insertelement <4 x i32> poison, i32 %x, i32 0
%broadcast.splat = shufflevector <4 x i32> %broadcast.splatinsert, <4 x i32> poison, <4 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %entry
%index = phi i64 [ 0, %entry ], [ %index.next, %vector.body ]
%0 = getelementptr inbounds i32, ptr %a, i64 %index
%1 = bitcast ptr %0 to ptr
%wide.load = load <4 x i32>, ptr %1, align 4
%2 = call <4 x i32> @llvm.vp.add.v4i32(<4 x i32> %wide.load, <4 x i32> %broadcast.splat, <4 x i1> %m, i32 %vl)
%3 = bitcast ptr %0 to ptr
store <4 x i32> %2, ptr %3, align 4
%index.next = add nuw i64 %index, 4
%4 = icmp eq i64 %index.next, 1024
br i1 %4, label %for.cond.cleanup, label %vector.body
for.cond.cleanup: ; preds = %vector.body
ret void
}
define void @sink_splat_fadd(ptr nocapture %a, float %x) {
; NO-SINK-LABEL: sink_splat_fadd:
; NO-SINK: # %bb.0: # %entry
; NO-SINK-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; NO-SINK-NEXT: vfmv.v.f v8, fa0
; NO-SINK-NEXT: lui a1, 1
; NO-SINK-NEXT: add a1, a0, a1
; NO-SINK-NEXT: .LBB3_1: # %vector.body
; NO-SINK-NEXT: # =>This Inner Loop Header: Depth=1
; NO-SINK-NEXT: vle32.v v9, (a0)
; NO-SINK-NEXT: vfadd.vv v9, v9, v8
; NO-SINK-NEXT: vse32.v v9, (a0)
; NO-SINK-NEXT: addi a0, a0, 16
; NO-SINK-NEXT: bne a0, a1, .LBB3_1
; NO-SINK-NEXT: # %bb.2: # %for.cond.cleanup
; NO-SINK-NEXT: ret
;
; SINK-LABEL: sink_splat_fadd:
; SINK: # %bb.0: # %entry
; SINK-NEXT: lui a1, 1
; SINK-NEXT: add a1, a0, a1
; SINK-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; SINK-NEXT: .LBB3_1: # %vector.body
; SINK-NEXT: # =>This Inner Loop Header: Depth=1
; SINK-NEXT: vle32.v v8, (a0)
; SINK-NEXT: vfadd.vf v8, v8, fa0
; SINK-NEXT: vse32.v v8, (a0)
; SINK-NEXT: addi a0, a0, 16
; SINK-NEXT: bne a0, a1, .LBB3_1
; SINK-NEXT: # %bb.2: # %for.cond.cleanup
; SINK-NEXT: ret
;
; DEFAULT-LABEL: sink_splat_fadd:
; DEFAULT: # %bb.0: # %entry
; DEFAULT-NEXT: lui a1, 1
; DEFAULT-NEXT: add a1, a0, a1
; DEFAULT-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; DEFAULT-NEXT: .LBB3_1: # %vector.body
; DEFAULT-NEXT: # =>This Inner Loop Header: Depth=1
; DEFAULT-NEXT: vle32.v v8, (a0)
; DEFAULT-NEXT: vfadd.vf v8, v8, fa0
; DEFAULT-NEXT: vse32.v v8, (a0)
; DEFAULT-NEXT: addi a0, a0, 16
; DEFAULT-NEXT: bne a0, a1, .LBB3_1
; DEFAULT-NEXT: # %bb.2: # %for.cond.cleanup
; DEFAULT-NEXT: ret
entry:
%broadcast.splatinsert = insertelement <4 x float> poison, float %x, i32 0
%broadcast.splat = shufflevector <4 x float> %broadcast.splatinsert, <4 x float> poison, <4 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %entry
%index = phi i64 [ 0, %entry ], [ %index.next, %vector.body ]
%0 = getelementptr inbounds float, ptr %a, i64 %index
%1 = bitcast ptr %0 to ptr
%wide.load = load <4 x float>, ptr %1, align 4
%2 = fadd <4 x float> %wide.load, %broadcast.splat
%3 = bitcast ptr %0 to ptr
store <4 x float> %2, ptr %3, align 4
%index.next = add nuw i64 %index, 4
%4 = icmp eq i64 %index.next, 1024
br i1 %4, label %for.cond.cleanup, label %vector.body
for.cond.cleanup: ; preds = %vector.body
ret void
}
define void @sink_splat_fadd_scalable(ptr nocapture %a, float %x) {
; NO-SINK-LABEL: sink_splat_fadd_scalable:
; NO-SINK: # %bb.0: # %entry
; NO-SINK-NEXT: csrr a1, vlenb
; NO-SINK-NEXT: srli a3, a1, 2
; NO-SINK-NEXT: li a2, 1024
; NO-SINK-NEXT: bgeu a2, a3, .LBB4_2
; NO-SINK-NEXT: # %bb.1:
; NO-SINK-NEXT: li a2, 0
; NO-SINK-NEXT: j .LBB4_5
; NO-SINK-NEXT: .LBB4_2: # %vector.ph
; NO-SINK-NEXT: addi a2, a3, -1
; NO-SINK-NEXT: andi a4, a2, 1024
; NO-SINK-NEXT: xori a2, a4, 1024
; NO-SINK-NEXT: vsetvli a5, zero, e32, m1, ta, ma
; NO-SINK-NEXT: vfmv.v.f v8, fa0
; NO-SINK-NEXT: mv a5, a0
; NO-SINK-NEXT: mv a6, a2
; NO-SINK-NEXT: .LBB4_3: # %vector.body
; NO-SINK-NEXT: # =>This Inner Loop Header: Depth=1
; NO-SINK-NEXT: vl1re32.v v9, (a5)
; NO-SINK-NEXT: sub a6, a6, a3
; NO-SINK-NEXT: vfadd.vv v9, v9, v8
; NO-SINK-NEXT: vs1r.v v9, (a5)
; NO-SINK-NEXT: add a5, a5, a1
; NO-SINK-NEXT: bnez a6, .LBB4_3
; NO-SINK-NEXT: # %bb.4: # %middle.block
; NO-SINK-NEXT: beqz a4, .LBB4_7
; NO-SINK-NEXT: .LBB4_5: # %for.body.preheader
; NO-SINK-NEXT: slli a1, a2, 2
; NO-SINK-NEXT: lui a2, 1
; NO-SINK-NEXT: add a1, a0, a1
; NO-SINK-NEXT: add a0, a0, a2
; NO-SINK-NEXT: .LBB4_6: # %for.body
; NO-SINK-NEXT: # =>This Inner Loop Header: Depth=1
; NO-SINK-NEXT: flw fa5, 0(a1)
; NO-SINK-NEXT: fadd.s fa5, fa5, fa0
; NO-SINK-NEXT: fsw fa5, 0(a1)
; NO-SINK-NEXT: addi a1, a1, 4
; NO-SINK-NEXT: bne a1, a0, .LBB4_6
; NO-SINK-NEXT: .LBB4_7: # %for.cond.cleanup
; NO-SINK-NEXT: ret
;
; SINK-LABEL: sink_splat_fadd_scalable:
; SINK: # %bb.0: # %entry
; SINK-NEXT: csrr a1, vlenb
; SINK-NEXT: srli a3, a1, 2
; SINK-NEXT: li a2, 1024
; SINK-NEXT: bgeu a2, a3, .LBB4_2
; SINK-NEXT: # %bb.1:
; SINK-NEXT: li a2, 0
; SINK-NEXT: j .LBB4_5
; SINK-NEXT: .LBB4_2: # %vector.ph
; SINK-NEXT: addi a2, a3, -1
; SINK-NEXT: andi a4, a2, 1024
; SINK-NEXT: xori a2, a4, 1024
; SINK-NEXT: mv a5, a0
; SINK-NEXT: mv a6, a2
; SINK-NEXT: vsetvli a7, zero, e32, m1, ta, ma
; SINK-NEXT: .LBB4_3: # %vector.body
; SINK-NEXT: # =>This Inner Loop Header: Depth=1
; SINK-NEXT: vl1re32.v v8, (a5)
; SINK-NEXT: sub a6, a6, a3
; SINK-NEXT: vfadd.vf v8, v8, fa0
; SINK-NEXT: vs1r.v v8, (a5)
; SINK-NEXT: add a5, a5, a1
; SINK-NEXT: bnez a6, .LBB4_3
; SINK-NEXT: # %bb.4: # %middle.block
; SINK-NEXT: beqz a4, .LBB4_7
; SINK-NEXT: .LBB4_5: # %for.body.preheader
; SINK-NEXT: slli a1, a2, 2
; SINK-NEXT: lui a2, 1
; SINK-NEXT: add a1, a0, a1
; SINK-NEXT: add a0, a0, a2
; SINK-NEXT: .LBB4_6: # %for.body
; SINK-NEXT: # =>This Inner Loop Header: Depth=1
; SINK-NEXT: flw fa5, 0(a1)
; SINK-NEXT: fadd.s fa5, fa5, fa0
; SINK-NEXT: fsw fa5, 0(a1)
; SINK-NEXT: addi a1, a1, 4
; SINK-NEXT: bne a1, a0, .LBB4_6
; SINK-NEXT: .LBB4_7: # %for.cond.cleanup
; SINK-NEXT: ret
;
; DEFAULT-LABEL: sink_splat_fadd_scalable:
; DEFAULT: # %bb.0: # %entry
; DEFAULT-NEXT: csrr a1, vlenb
; DEFAULT-NEXT: srli a3, a1, 2
; DEFAULT-NEXT: li a2, 1024
; DEFAULT-NEXT: bgeu a2, a3, .LBB4_2
; DEFAULT-NEXT: # %bb.1:
; DEFAULT-NEXT: li a2, 0
; DEFAULT-NEXT: j .LBB4_5
; DEFAULT-NEXT: .LBB4_2: # %vector.ph
; DEFAULT-NEXT: addi a2, a3, -1
; DEFAULT-NEXT: andi a4, a2, 1024
; DEFAULT-NEXT: xori a2, a4, 1024
; DEFAULT-NEXT: mv a5, a0
; DEFAULT-NEXT: mv a6, a2
; DEFAULT-NEXT: vsetvli a7, zero, e32, m1, ta, ma
; DEFAULT-NEXT: .LBB4_3: # %vector.body
; DEFAULT-NEXT: # =>This Inner Loop Header: Depth=1
; DEFAULT-NEXT: vl1re32.v v8, (a5)
; DEFAULT-NEXT: sub a6, a6, a3
; DEFAULT-NEXT: vfadd.vf v8, v8, fa0
; DEFAULT-NEXT: vs1r.v v8, (a5)
; DEFAULT-NEXT: add a5, a5, a1
; DEFAULT-NEXT: bnez a6, .LBB4_3
; DEFAULT-NEXT: # %bb.4: # %middle.block
; DEFAULT-NEXT: beqz a4, .LBB4_7
; DEFAULT-NEXT: .LBB4_5: # %for.body.preheader
; DEFAULT-NEXT: slli a1, a2, 2
; DEFAULT-NEXT: lui a2, 1
; DEFAULT-NEXT: add a1, a0, a1
; DEFAULT-NEXT: add a0, a0, a2
; DEFAULT-NEXT: .LBB4_6: # %for.body
; DEFAULT-NEXT: # =>This Inner Loop Header: Depth=1
; DEFAULT-NEXT: flw fa5, 0(a1)
; DEFAULT-NEXT: fadd.s fa5, fa5, fa0
; DEFAULT-NEXT: fsw fa5, 0(a1)
; DEFAULT-NEXT: addi a1, a1, 4
; DEFAULT-NEXT: bne a1, a0, .LBB4_6
; DEFAULT-NEXT: .LBB4_7: # %for.cond.cleanup
; DEFAULT-NEXT: ret
entry:
%0 = call i64 @llvm.vscale.i64()
%1 = shl i64 %0, 1
%min.iters.check = icmp ugt i64 %1, 1024
br i1 %min.iters.check, label %for.body.preheader, label %vector.ph
vector.ph: ; preds = %entry
%2 = call i64 @llvm.vscale.i64()
%3 = shl i64 %2, 1
%n.mod.vf = urem i64 1024, %3
%n.vec = sub nsw i64 1024, %n.mod.vf
%broadcast.splatinsert = insertelement <vscale x 2 x float> poison, float %x, i32 0
%broadcast.splat = shufflevector <vscale x 2 x float> %broadcast.splatinsert, <vscale x 2 x float> poison, <vscale x 2 x i32> zeroinitializer
%4 = call i64 @llvm.vscale.i64()
%5 = shl i64 %4, 1
br label %vector.body
vector.body: ; preds = %vector.body, %vector.ph
%index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
%6 = getelementptr inbounds float, ptr %a, i64 %index
%7 = bitcast ptr %6 to ptr
%wide.load = load <vscale x 2 x float>, ptr %7, align 4
%8 = fadd <vscale x 2 x float> %wide.load, %broadcast.splat
%9 = bitcast ptr %6 to ptr
store <vscale x 2 x float> %8, ptr %9, align 4
%index.next = add nuw i64 %index, %5
%10 = icmp eq i64 %index.next, %n.vec
br i1 %10, label %middle.block, label %vector.body
middle.block: ; preds = %vector.body
%cmp.n = icmp eq i64 %n.mod.vf, 0
br i1 %cmp.n, label %for.cond.cleanup, label %for.body.preheader
for.body.preheader: ; preds = %entry, %middle.block
%indvars.iv.ph = phi i64 [ 0, %entry ], [ %n.vec, %middle.block ]
br label %for.body
for.cond.cleanup: ; preds = %for.body, %middle.block
ret void
for.body: ; preds = %for.body.preheader, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ %indvars.iv.ph, %for.body.preheader ]
%arrayidx = getelementptr inbounds float, ptr %a, i64 %indvars.iv
%11 = load float, ptr %arrayidx, align 4
%mul = fadd float %11, %x
store float %mul, ptr %arrayidx, align 4
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%cmp.not = icmp eq i64 %indvars.iv.next, 1024
br i1 %cmp.not, label %for.cond.cleanup, label %for.body
}
declare <4 x float> @llvm.vp.fadd.v4i32(<4 x float>, <4 x float>, <4 x i1>, i32)
define void @sink_splat_vp_fadd(ptr nocapture %a, float %x, <4 x i1> %m, i32 zeroext %vl) {
; NO-SINK-LABEL: sink_splat_vp_fadd:
; NO-SINK: # %bb.0: # %entry
; NO-SINK-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; NO-SINK-NEXT: vfmv.v.f v8, fa0
; NO-SINK-NEXT: lui a2, 1
; NO-SINK-NEXT: add a2, a0, a2
; NO-SINK-NEXT: .LBB5_1: # %vector.body
; NO-SINK-NEXT: # =>This Inner Loop Header: Depth=1
; NO-SINK-NEXT: vle32.v v9, (a0)
; NO-SINK-NEXT: vsetvli zero, a1, e32, m1, ta, ma
; NO-SINK-NEXT: vfadd.vv v9, v9, v8, v0.t
; NO-SINK-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; NO-SINK-NEXT: vse32.v v9, (a0)
; NO-SINK-NEXT: addi a0, a0, 16
; NO-SINK-NEXT: bne a0, a2, .LBB5_1
; NO-SINK-NEXT: # %bb.2: # %for.cond.cleanup
; NO-SINK-NEXT: ret
;
; SINK-LABEL: sink_splat_vp_fadd:
; SINK: # %bb.0: # %entry
; SINK-NEXT: lui a2, 1
; SINK-NEXT: add a2, a0, a2
; SINK-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; SINK-NEXT: .LBB5_1: # %vector.body
; SINK-NEXT: # =>This Inner Loop Header: Depth=1
; SINK-NEXT: vle32.v v8, (a0)
; SINK-NEXT: vsetvli zero, a1, e32, m1, ta, ma
; SINK-NEXT: vfadd.vf v8, v8, fa0, v0.t
; SINK-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; SINK-NEXT: vse32.v v8, (a0)
; SINK-NEXT: addi a0, a0, 16
; SINK-NEXT: bne a0, a2, .LBB5_1
; SINK-NEXT: # %bb.2: # %for.cond.cleanup
; SINK-NEXT: ret
;
; DEFAULT-LABEL: sink_splat_vp_fadd:
; DEFAULT: # %bb.0: # %entry
; DEFAULT-NEXT: lui a2, 1
; DEFAULT-NEXT: add a2, a0, a2
; DEFAULT-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; DEFAULT-NEXT: .LBB5_1: # %vector.body
; DEFAULT-NEXT: # =>This Inner Loop Header: Depth=1
; DEFAULT-NEXT: vle32.v v8, (a0)
; DEFAULT-NEXT: vsetvli zero, a1, e32, m1, ta, ma
; DEFAULT-NEXT: vfadd.vf v8, v8, fa0, v0.t
; DEFAULT-NEXT: vsetivli zero, 4, e32, m1, ta, ma
; DEFAULT-NEXT: vse32.v v8, (a0)
; DEFAULT-NEXT: addi a0, a0, 16
; DEFAULT-NEXT: bne a0, a2, .LBB5_1
; DEFAULT-NEXT: # %bb.2: # %for.cond.cleanup
; DEFAULT-NEXT: ret
entry:
%broadcast.splatinsert = insertelement <4 x float> poison, float %x, i32 0
%broadcast.splat = shufflevector <4 x float> %broadcast.splatinsert, <4 x float> poison, <4 x i32> zeroinitializer
br label %vector.body
vector.body: ; preds = %vector.body, %entry
%index = phi i64 [ 0, %entry ], [ %index.next, %vector.body ]
%0 = getelementptr inbounds float, ptr %a, i64 %index
%1 = bitcast ptr %0 to ptr
%wide.load = load <4 x float>, ptr %1, align 4
%2 = call <4 x float> @llvm.vp.fadd.v4i32(<4 x float> %wide.load, <4 x float> %broadcast.splat, <4 x i1> %m, i32 %vl)
%3 = bitcast ptr %0 to ptr
store <4 x float> %2, ptr %3, align 4
%index.next = add nuw i64 %index, 4
%4 = icmp eq i64 %index.next, 1024
br i1 %4, label %for.cond.cleanup, label %vector.body
for.cond.cleanup: ; preds = %vector.body
ret void
}