llvm/test/Transforms/SLPVectorizer/RISCV/revec.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -mtriple=riscv64 -mcpu=sifive-x280 -passes=slp-vectorizer -S -slp-revec -slp-max-reg-size=1024 -slp-threshold=-100 %s | FileCheck --check-prefixes=CHECK,POWEROF2 %s
; RUN: opt -mtriple=riscv64 -mcpu=sifive-x280 -passes=slp-vectorizer -S -slp-revec -slp-max-reg-size=1024 -slp-threshold=-100 -slp-vectorize-non-power-of-2 %s | FileCheck --check-prefixes=CHECK,NONPOWEROF2 %s

define i32 @test() {
; CHECK-LABEL: @test(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br label [[IF_END_I87:%.*]]
; CHECK:       if.end.i87:
; CHECK-NEXT:    [[TMP0:%.*]] = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> getelementptr (i32, <4 x ptr> <ptr inttoptr (i64 64036 to ptr), ptr inttoptr (i64 64036 to ptr), ptr inttoptr (i64 64064 to ptr), ptr inttoptr (i64 64064 to ptr)>, <4 x i64> <i64 0, i64 1, i64 0, i64 1>), i32 4, <4 x i1> splat (i1 true), <4 x i32> poison)
; CHECK-NEXT:    [[TMP2:%.*]] = call <4 x i32> @llvm.vector.insert.v4i32.v2i32(<4 x i32> poison, <2 x i32> zeroinitializer, i64 2)
; CHECK-NEXT:    [[TMP3:%.*]] = shufflevector <4 x i32> [[TMP0]], <4 x i32> [[TMP2]], <4 x i32> <i32 0, i32 1, i32 6, i32 7>
; CHECK-NEXT:    switch i32 0, label [[SW_BB509_I:%.*]] [
; CHECK-NEXT:      i32 1, label [[SW_BB509_I]]
; CHECK-NEXT:      i32 0, label [[IF_THEN458_I:%.*]]
; CHECK-NEXT:    ]
; CHECK:       if.then458.i:
; CHECK-NEXT:    br label [[SW_BB509_I]]
; CHECK:       sw.bb509.i:
; CHECK-NEXT:    [[TMP4:%.*]] = phi <4 x i32> [ [[TMP0]], [[IF_THEN458_I]] ], [ [[TMP3]], [[IF_END_I87]] ], [ [[TMP3]], [[IF_END_I87]] ]
; CHECK-NEXT:    ret i32 0
;
entry:
  %getelementptr0 = getelementptr i8, ptr null, i64 64036
  %getelementptr1 = getelementptr i8, ptr null, i64 64064
  br label %if.end.i87

if.end.i87:                                       ; preds = %entry
  %0 = load <2 x i32>, ptr %getelementptr0, align 4
  %1 = load <2 x i32>, ptr %getelementptr1, align 8
  switch i32 0, label %sw.bb509.i [
  i32 1, label %sw.bb509.i
  i32 0, label %if.then458.i
  ]

if.then458.i:                                     ; preds = %if.end.i87
  br label %sw.bb509.i

sw.bb509.i:                                       ; preds = %if.then458.i, %if.end.i87, %if.end.i87
  %4 = phi <2 x i32> [ %0, %if.then458.i ], [ %0, %if.end.i87 ], [ %0, %if.end.i87 ]
  %5 = phi <2 x i32> [ %1, %if.then458.i ], [ zeroinitializer, %if.end.i87 ], [ zeroinitializer, %if.end.i87 ]
  ret i32 0
}

define void @test2() {
; CHECK-LABEL: @test2(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr i8, ptr null, i64 132
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr i8, ptr null, i64 200
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr i8, ptr null, i64 300
; CHECK-NEXT:    [[TMP3:%.*]] = load <8 x float>, ptr [[TMP1]], align 4
; CHECK-NEXT:    [[TMP4:%.*]] = load <8 x float>, ptr [[TMP2]], align 4
; CHECK-NEXT:    [[TMP5:%.*]] = load <16 x float>, ptr [[TMP0]], align 4
; CHECK-NEXT:    [[TMP6:%.*]] = call <32 x float> @llvm.vector.insert.v32f32.v8f32(<32 x float> poison, <8 x float> [[TMP4]], i64 0)
; CHECK-NEXT:    [[TMP7:%.*]] = call <32 x float> @llvm.vector.insert.v32f32.v8f32(<32 x float> [[TMP6]], <8 x float> [[TMP3]], i64 8)
; CHECK-NEXT:    [[TMP8:%.*]] = call <32 x float> @llvm.vector.insert.v32f32.v16f32(<32 x float> [[TMP7]], <16 x float> [[TMP5]], i64 16)
; CHECK-NEXT:    [[TMP9:%.*]] = fpext <32 x float> [[TMP8]] to <32 x double>
; CHECK-NEXT:    [[TMP10:%.*]] = call <32 x double> @llvm.vector.insert.v32f64.v8f64(<32 x double> poison, <8 x double> zeroinitializer, i64 0)
; CHECK-NEXT:    [[TMP11:%.*]] = call <32 x double> @llvm.vector.insert.v32f64.v8f64(<32 x double> [[TMP10]], <8 x double> zeroinitializer, i64 8)
; CHECK-NEXT:    [[TMP12:%.*]] = call <32 x double> @llvm.vector.insert.v32f64.v8f64(<32 x double> [[TMP11]], <8 x double> zeroinitializer, i64 16)
; CHECK-NEXT:    [[TMP13:%.*]] = call <32 x double> @llvm.vector.insert.v32f64.v8f64(<32 x double> [[TMP12]], <8 x double> zeroinitializer, i64 24)
; CHECK-NEXT:    [[TMP14:%.*]] = fadd <32 x double> [[TMP13]], [[TMP9]]
; CHECK-NEXT:    [[TMP15:%.*]] = fptrunc <32 x double> [[TMP14]] to <32 x float>
; CHECK-NEXT:    [[TMP16:%.*]] = call <32 x float> @llvm.vector.insert.v32f32.v8f32(<32 x float> poison, <8 x float> zeroinitializer, i64 0)
; CHECK-NEXT:    [[TMP17:%.*]] = call <32 x float> @llvm.vector.insert.v32f32.v8f32(<32 x float> [[TMP16]], <8 x float> zeroinitializer, i64 8)
; CHECK-NEXT:    [[TMP18:%.*]] = call <32 x float> @llvm.vector.insert.v32f32.v8f32(<32 x float> [[TMP17]], <8 x float> zeroinitializer, i64 16)
; CHECK-NEXT:    [[TMP19:%.*]] = call <32 x float> @llvm.vector.insert.v32f32.v8f32(<32 x float> [[TMP18]], <8 x float> zeroinitializer, i64 24)
; CHECK-NEXT:    [[TMP20:%.*]] = fcmp ogt <32 x float> [[TMP19]], [[TMP15]]
; CHECK-NEXT:    ret void
;
entry:
  %0 = getelementptr i8, ptr null, i64 132
  %1 = getelementptr i8, ptr null, i64 164
  %2 = getelementptr i8, ptr null, i64 200
  %3 = getelementptr i8, ptr null, i64 300
  %4 = load <8 x float>, ptr %0, align 4
  %5 = load <8 x float>, ptr %1, align 4
  %6 = load <8 x float>, ptr %2, align 4
  %7 = load <8 x float>, ptr %3, align 4
  %8 = fpext <8 x float> %4 to <8 x double>
  %9 = fpext <8 x float> %5 to <8 x double>
  %10 = fpext <8 x float> %6 to <8 x double>
  %11 = fpext <8 x float> %7 to <8 x double>
  %12 = fadd <8 x double> zeroinitializer, %8
  %13 = fadd <8 x double> zeroinitializer, %9
  %14 = fadd <8 x double> zeroinitializer, %10
  %15 = fadd <8 x double> zeroinitializer, %11
  %16 = fptrunc <8 x double> %12 to <8 x float>
  %17 = fptrunc <8 x double> %13 to <8 x float>
  %18 = fptrunc <8 x double> %14 to <8 x float>
  %19 = fptrunc <8 x double> %15 to <8 x float>
  %20 = fcmp ogt <8 x float> zeroinitializer, %16
  %21 = fcmp ogt <8 x float> zeroinitializer, %17
  %22 = fcmp ogt <8 x float> zeroinitializer, %18
  %23 = fcmp ogt <8 x float> zeroinitializer, %19
  ret void
}

define void @test3(float %0) {
; CHECK-LABEL: @test3(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br label [[FOR_BODY_LR_PH:%.*]]
; CHECK:       for.body.lr.ph:
; CHECK-NEXT:    [[TMP1:%.*]] = call <4 x float> @llvm.vector.insert.v4f32.v2f32(<4 x float> poison, <2 x float> zeroinitializer, i64 0)
; CHECK-NEXT:    [[TMP2:%.*]] = call <4 x float> @llvm.vector.insert.v4f32.v2f32(<4 x float> [[TMP1]], <2 x float> zeroinitializer, i64 2)
; CHECK-NEXT:    br i1 false, label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY:%.*]]
; CHECK:       for.cond.cleanup:
; CHECK-NEXT:    [[TMP3:%.*]] = phi <4 x float> [ [[TMP2]], [[FOR_BODY_LR_PH]] ], [ [[TMP10:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT:    ret void
; CHECK:       for.body:
; CHECK-NEXT:    [[TMP4:%.*]] = load <2 x float>, ptr null, align 4
; CHECK-NEXT:    [[TMP5:%.*]] = fcmp olt <2 x float> zeroinitializer, [[TMP4]]
; CHECK-NEXT:    [[TMP6:%.*]] = call <4 x i1> @llvm.vector.insert.v4i1.v2i1(<4 x i1> poison, <2 x i1> splat (i1 true), i64 0)
; CHECK-NEXT:    [[TMP7:%.*]] = call <4 x i1> @llvm.vector.insert.v4i1.v2i1(<4 x i1> [[TMP6]], <2 x i1> [[TMP5]], i64 2)
; CHECK-NEXT:    [[TMP8:%.*]] = call <4 x float> @llvm.vector.insert.v4f32.v2f32(<4 x float> poison, <2 x float> [[TMP4]], i64 0)
; CHECK-NEXT:    [[TMP9:%.*]] = shufflevector <4 x float> [[TMP8]], <4 x float> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
; CHECK-NEXT:    [[TMP10]] = select <4 x i1> [[TMP7]], <4 x float> [[TMP9]], <4 x float> [[TMP2]]
; CHECK-NEXT:    br label [[FOR_COND_CLEANUP]]
;
entry:
  br label %for.body.lr.ph

for.body.lr.ph:
  br i1 false, label %for.cond.cleanup, label %for.body

for.cond.cleanup:                                 ; preds = %for.body, %for.body.lr.ph
  %1 = phi <2 x float> [ zeroinitializer, %for.body.lr.ph ], [ %5, %for.body ]
  %2 = phi <2 x float> [ zeroinitializer, %for.body.lr.ph ], [ %6, %for.body ]
  ret void

for.body:
  %3 = load <2 x float>, ptr null, align 4
  %4 = fcmp olt <2 x float> zeroinitializer, %3
  %5 = select <2 x i1> <i1 true, i1 true>, <2 x float> %3, <2 x float> zeroinitializer
  %6 = select <2 x i1> %4, <2 x float> %3, <2 x float> zeroinitializer
  br label %for.cond.cleanup
}

define ptr @test4() {
; POWEROF2-LABEL: @test4(
; POWEROF2-NEXT:    [[TMP1:%.*]] = fadd <8 x float> zeroinitializer, zeroinitializer
; POWEROF2-NEXT:    [[TMP2:%.*]] = shufflevector <8 x float> [[TMP1]], <8 x float> poison, <2 x i32> <i32 1, i32 2>
; POWEROF2-NEXT:    [[TMP3:%.*]] = shufflevector <8 x float> [[TMP1]], <8 x float> poison, <2 x i32> <i32 5, i32 6>
; POWEROF2-NEXT:    [[TMP4:%.*]] = shufflevector <8 x float> [[TMP1]], <8 x float> poison, <2 x i32> <i32 0, i32 4>
; POWEROF2-NEXT:    [[TMP5:%.*]] = call <4 x float> @llvm.vector.insert.v4f32.v2f32(<4 x float> poison, <2 x float> [[TMP2]], i64 0)
; POWEROF2-NEXT:    [[TMP6:%.*]] = call <4 x float> @llvm.vector.insert.v4f32.v2f32(<4 x float> [[TMP5]], <2 x float> [[TMP3]], i64 2)
; POWEROF2-NEXT:    br label [[TMP8:%.*]]
; POWEROF2:       7:
; POWEROF2-NEXT:    br label [[TMP8]]
; POWEROF2:       8:
; POWEROF2-NEXT:    [[TMP9:%.*]] = phi <2 x float> [ poison, [[TMP7:%.*]] ], [ [[TMP4]], [[TMP0:%.*]] ]
; POWEROF2-NEXT:    [[TMP10:%.*]] = phi <4 x float> [ poison, [[TMP7]] ], [ [[TMP6]], [[TMP0]] ]
; POWEROF2-NEXT:    br label [[TMP11:%.*]]
; POWEROF2:       11:
; POWEROF2-NEXT:    [[TMP12:%.*]] = call <2 x float> @llvm.vector.extract.v2f32.v4f32(<4 x float> [[TMP10]], i64 0)
; POWEROF2-NEXT:    [[TMP13:%.*]] = fmul <2 x float> [[TMP12]], zeroinitializer
; POWEROF2-NEXT:    [[TMP14:%.*]] = call <2 x float> @llvm.vector.extract.v2f32.v4f32(<4 x float> [[TMP10]], i64 2)
; POWEROF2-NEXT:    [[TMP15:%.*]] = fmul <2 x float> zeroinitializer, [[TMP14]]
; POWEROF2-NEXT:    [[TMP18:%.*]] = extractelement <2 x float> [[TMP9]], i32 0
; POWEROF2-NEXT:    [[TMP17:%.*]] = fmul float 0.000000e+00, [[TMP18]]
; POWEROF2-NEXT:    [[TMP30:%.*]] = extractelement <2 x float> [[TMP9]], i32 1
; POWEROF2-NEXT:    [[TMP19:%.*]] = fmul float [[TMP30]], 0.000000e+00
; POWEROF2-NEXT:    [[TMP20:%.*]] = extractelement <2 x float> [[TMP13]], i32 0
; POWEROF2-NEXT:    [[TMP21:%.*]] = fadd reassoc nsz float [[TMP20]], [[TMP17]]
; POWEROF2-NEXT:    [[TMP22:%.*]] = extractelement <2 x float> [[TMP15]], i32 0
; POWEROF2-NEXT:    [[TMP23:%.*]] = fadd reassoc nsz float [[TMP22]], [[TMP19]]
; POWEROF2-NEXT:    [[TMP24:%.*]] = extractelement <2 x float> [[TMP13]], i32 1
; POWEROF2-NEXT:    [[TMP25:%.*]] = fadd reassoc nsz float [[TMP21]], [[TMP24]]
; POWEROF2-NEXT:    [[TMP26:%.*]] = extractelement <2 x float> [[TMP15]], i32 1
; POWEROF2-NEXT:    [[TMP27:%.*]] = fadd reassoc nsz float [[TMP23]], [[TMP26]]
; POWEROF2-NEXT:    [[TMP28:%.*]] = tail call float @llvm.sqrt.f32(float [[TMP25]])
; POWEROF2-NEXT:    [[TMP29:%.*]] = tail call float @llvm.sqrt.f32(float [[TMP27]])
; POWEROF2-NEXT:    ret ptr null
;
; NONPOWEROF2-LABEL: @test4(
; NONPOWEROF2-NEXT:    [[TMP1:%.*]] = fadd <8 x float> zeroinitializer, zeroinitializer
; NONPOWEROF2-NEXT:    [[TMP2:%.*]] = shufflevector <8 x float> [[TMP1]], <8 x float> poison, <3 x i32> <i32 0, i32 1, i32 2>
; NONPOWEROF2-NEXT:    [[TMP3:%.*]] = shufflevector <8 x float> [[TMP1]], <8 x float> poison, <3 x i32> <i32 4, i32 5, i32 6>
; NONPOWEROF2-NEXT:    [[TMP4:%.*]] = call <6 x float> @llvm.vector.insert.v6f32.v3f32(<6 x float> poison, <3 x float> [[TMP2]], i64 0)
; NONPOWEROF2-NEXT:    [[TMP5:%.*]] = call <6 x float> @llvm.vector.insert.v6f32.v3f32(<6 x float> [[TMP4]], <3 x float> [[TMP3]], i64 3)
; NONPOWEROF2-NEXT:    br label [[TMP7:%.*]]
; NONPOWEROF2:       6:
; NONPOWEROF2-NEXT:    br label [[TMP7]]
; NONPOWEROF2:       7:
; NONPOWEROF2-NEXT:    [[TMP8:%.*]] = phi <6 x float> [ poison, [[TMP6:%.*]] ], [ [[TMP5]], [[TMP0:%.*]] ]
; NONPOWEROF2-NEXT:    br label [[TMP9:%.*]]
; NONPOWEROF2:       9:
; NONPOWEROF2-NEXT:    [[TMP10:%.*]] = call <3 x float> @llvm.vector.extract.v3f32.v6f32(<6 x float> [[TMP8]], i64 0)
; NONPOWEROF2-NEXT:    [[TMP11:%.*]] = fmul <3 x float> zeroinitializer, [[TMP10]]
; NONPOWEROF2-NEXT:    [[TMP12:%.*]] = call <3 x float> @llvm.vector.extract.v3f32.v6f32(<6 x float> [[TMP8]], i64 3)
; NONPOWEROF2-NEXT:    [[TMP13:%.*]] = fmul <3 x float> zeroinitializer, [[TMP12]]
; NONPOWEROF2-NEXT:    [[TMP14:%.*]] = call reassoc nsz float @llvm.vector.reduce.fadd.v3f32(float 0.000000e+00, <3 x float> [[TMP11]])
; NONPOWEROF2-NEXT:    [[TMP15:%.*]] = call reassoc nsz float @llvm.vector.reduce.fadd.v3f32(float 0.000000e+00, <3 x float> [[TMP13]])
; NONPOWEROF2-NEXT:    [[TMP16:%.*]] = tail call float @llvm.sqrt.f32(float [[TMP14]])
; NONPOWEROF2-NEXT:    [[TMP17:%.*]] = tail call float @llvm.sqrt.f32(float [[TMP15]])
; NONPOWEROF2-NEXT:    ret ptr null
;
  %1 = fadd <8 x float> zeroinitializer, zeroinitializer
  %2 = extractelement <8 x float> %1, i64 0
  %3 = extractelement <8 x float> %1, i64 1
  %4 = extractelement <8 x float> %1, i64 2
  %5 = extractelement <8 x float> %1, i64 4
  %6 = extractelement <8 x float> %1, i64 5
  %7 = extractelement <8 x float> %1, i64 6
  br label %9

8:
  br label %9

9:
  %10 = phi float [ 0.000000e+00, %8 ], [ %7, %0 ]
  %11 = phi float [ 0.000000e+00, %8 ], [ %6, %0 ]
  %12 = phi float [ 0.000000e+00, %8 ], [ %5, %0 ]
  %13 = phi float [ 0.000000e+00, %8 ], [ %4, %0 ]
  %14 = phi float [ 0.000000e+00, %8 ], [ %3, %0 ]
  %15 = phi float [ 0.000000e+00, %8 ], [ %2, %0 ]
  br label %16

16:
  %17 = fmul float %14, 0.000000e+00
  %18 = fmul float 0.000000e+00, %11
  %19 = fmul float 0.000000e+00, %15
  %20 = fmul float %12, 0.000000e+00
  %21 = fadd reassoc nsz float %17, %19
  %22 = fadd reassoc nsz float %18, %20
  %23 = fmul float %13, 0.000000e+00
  %24 = fmul float %10, 0.000000e+00
  %25 = fadd reassoc nsz float %21, %23
  %26 = fadd reassoc nsz float %22, %24
  %27 = tail call float @llvm.sqrt.f32(float %25)
  %28 = tail call float @llvm.sqrt.f32(float %26)
  ret ptr null
}

define i32 @test5() {
; CHECK-LABEL: @test5(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = call <4 x double> @llvm.vector.insert.v4f64.v2f64(<4 x double> poison, <2 x double> zeroinitializer, i64 0)
; CHECK-NEXT:    [[TMP1:%.*]] = call <4 x double> @llvm.vector.insert.v4f64.v2f64(<4 x double> [[TMP0]], <2 x double> zeroinitializer, i64 2)
; CHECK-NEXT:    [[TMP2:%.*]] = fdiv <4 x double> [[TMP1]], [[TMP1]]
; CHECK-NEXT:    [[TMP3:%.*]] = call <8 x double> @llvm.vector.insert.v8f64.v2f64(<8 x double> poison, <2 x double> zeroinitializer, i64 0)
; CHECK-NEXT:    [[TMP4:%.*]] = call <8 x double> @llvm.vector.insert.v8f64.v2f64(<8 x double> [[TMP3]], <2 x double> zeroinitializer, i64 2)
; CHECK-NEXT:    [[TMP5:%.*]] = call <8 x double> @llvm.vector.insert.v8f64.v2f64(<8 x double> [[TMP4]], <2 x double> zeroinitializer, i64 4)
; CHECK-NEXT:    [[TMP6:%.*]] = call <8 x double> @llvm.vector.insert.v8f64.v2f64(<8 x double> [[TMP5]], <2 x double> zeroinitializer, i64 6)
; CHECK-NEXT:    [[TMP7:%.*]] = call <8 x double> @llvm.vector.insert.v8f64.v2f64(<8 x double> poison, <2 x double> zeroinitializer, i64 2)
; CHECK-NEXT:    [[TMP8:%.*]] = call <8 x double> @llvm.vector.insert.v8f64.v2f64(<8 x double> [[TMP7]], <2 x double> zeroinitializer, i64 6)
; CHECK-NEXT:    [[TMP9:%.*]] = call <8 x double> @llvm.vector.insert.v8f64.v4f64(<8 x double> poison, <4 x double> [[TMP2]], i64 0)
; CHECK-NEXT:    [[TMP10:%.*]] = shufflevector <8 x double> [[TMP9]], <8 x double> [[TMP8]], <8 x i32> <i32 0, i32 1, i32 10, i32 11, i32 2, i32 3, i32 14, i32 15>
; CHECK-NEXT:    [[TMP11:%.*]] = fadd <8 x double> [[TMP6]], [[TMP10]]
; CHECK-NEXT:    br label [[FOR_END47:%.*]]
; CHECK:       for.end47:
; CHECK-NEXT:    [[TMP12:%.*]] = phi <8 x double> [ [[TMP11]], [[ENTRY:%.*]] ]
; CHECK-NEXT:    ret i32 0
;
entry:
  %div0 = fdiv <2 x double> zeroinitializer, zeroinitializer
  %div1 = fdiv <2 x double> zeroinitializer, zeroinitializer
  %add0 = fadd <2 x double> zeroinitializer, %div0
  %add1 = fadd <2 x double> zeroinitializer, zeroinitializer
  %add2 = fadd <2 x double> %div1, zeroinitializer
  %add3 = fadd <2 x double> zeroinitializer, zeroinitializer
  br label %for.end47

for.end47:                                        ; preds = %entry
  %add0.lcssa = phi <2 x double> [ %add0, %entry ]
  %add1.lcssa = phi <2 x double> [ %add1, %entry ]
  %add2.lcssa = phi <2 x double> [ %add2, %entry ]
  %add3.lcssa = phi <2 x double> [ %add3, %entry ]
  ret i32 0
}