nuudlman/llvm: llvm/test/Transforms/InstCombine/vec_phi

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instcombine -S | FileCheck %s

define void @f(i64 %val, i32  %limit, i32 *%ptr) {
; CHECK-LABEL: @f(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = trunc i64 [[VAL:%.*]] to i32
; CHECK-NEXT:    br label [[LOOP:%.*]]
; CHECK:       loop:
; CHECK-NEXT:    [[TMP1:%.*]] = phi i32 [ [[TMP0]], [[ENTRY:%.*]] ], [ [[TMP5:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[END:%.*]] = icmp ult i32 [[TMP1]], [[LIMIT:%.*]]
; CHECK-NEXT:    [[TMP2:%.*]] = add i32 [[TMP1]], 10
; CHECK-NEXT:    [[TMP3:%.*]] = sext i32 [[TMP1]] to i64
; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr i32, i32* [[PTR:%.*]], i64 [[TMP3]]
; CHECK-NEXT:    store i32 [[TMP2]], i32* [[TMP4]], align 4
; CHECK-NEXT:    [[TMP5]] = add i32 [[TMP1]], 16
; CHECK-NEXT:    br i1 [[END]], label [[LOOP]], label [[RET:%.*]]
; CHECK:       ret:
; CHECK-NEXT:    ret void
;
entry:
  %tempvector = insertelement <16 x i64> undef, i64 %val, i32 0
  %vector = shufflevector <16 x i64> %tempvector, <16 x i64> undef, <16 x i32> zeroinitializer
  %0 = add <16 x i64> %vector, <i64 0, i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i64 9, i64 10, i64 11, i64 12, i64 13, i64 14, i64 15>
  %1 = trunc <16 x i64> %0 to <16 x i32>
  br label %loop

loop:
  %2 = phi <16 x i32> [ %1, %entry ], [ %inc, %loop ]
  %elt = extractelement <16 x i32> %2, i32 0
  %end = icmp ult i32 %elt, %limit
  %3 = add i32 10, %elt
  %4 = sext i32 %elt to i64
  %5 = getelementptr i32, i32* %ptr, i64 %4
  store i32 %3, i32* %5
  %inc = add <16 x i32> %2, <i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16>
  br i1 %end, label %loop, label %ret

ret:
  ret void
}

define void @copy(i64 %val, i32  %limit, i32 *%ptr) {
; CHECK-LABEL: @copy(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = trunc i64 [[VAL:%.*]] to i32
; CHECK-NEXT:    br label [[LOOP:%.*]]
; CHECK:       loop:
; CHECK-NEXT:    [[TMP1:%.*]] = phi i32 [ [[TMP0]], [[ENTRY:%.*]] ], [ [[TMP5:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[END:%.*]] = icmp ult i32 [[TMP1]], [[LIMIT:%.*]]
; CHECK-NEXT:    [[TMP2:%.*]] = add i32 [[TMP1]], 10
; CHECK-NEXT:    [[TMP3:%.*]] = sext i32 [[TMP1]] to i64
; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr i32, i32* [[PTR:%.*]], i64 [[TMP3]]
; CHECK-NEXT:    store i32 [[TMP2]], i32* [[TMP4]], align 4
; CHECK-NEXT:    [[TMP5]] = add i32 [[TMP1]], 16
; CHECK-NEXT:    br i1 [[END]], label [[LOOP]], label [[RET:%.*]]
; CHECK:       ret:
; CHECK-NEXT:    ret void
;
entry:
  %tempvector = insertelement <16 x i64> undef, i64 %val, i32 0
  %vector = shufflevector <16 x i64> %tempvector, <16 x i64> undef, <16 x i32> zeroinitializer
  %0 = add <16 x i64> %vector, <i64 0, i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i64 9, i64 10, i64 11, i64 12, i64 13, i64 14, i64 15>
  %1 = trunc <16 x i64> %0 to <16 x i32>
  br label %loop

loop:
  %2 = phi <16 x i32> [ %1, %entry ], [ %inc, %loop ]
  %elt = extractelement <16 x i32> %2, i32 0
  %eltcopy = extractelement <16 x i32> %2, i32 0
  %end = icmp ult i32 %elt, %limit
  %3 = add i32 10, %eltcopy
  %4 = sext i32 %elt to i64
  %5 = getelementptr i32, i32* %ptr, i64 %4
  store i32 %3, i32* %5
  %inc = add <16 x i32> %2, <i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16>
  br i1 %end, label %loop, label %ret

ret:
  ret void
}

define void @nocopy(i64 %val, i32  %limit, i32 *%ptr) {
; CHECK-LABEL: @nocopy(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = trunc i64 [[VAL:%.*]] to i32
; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <16 x i32> undef, i32 [[TMP0]], i64 0
; CHECK-NEXT:    [[TMP2:%.*]] = shufflevector <16 x i32> [[TMP1]], <16 x i32> poison, <16 x i32> zeroinitializer
; CHECK-NEXT:    [[TMP3:%.*]] = add <16 x i32> [[TMP2]], <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
; CHECK-NEXT:    br label [[LOOP:%.*]]
; CHECK:       loop:
; CHECK-NEXT:    [[TMP4:%.*]] = phi <16 x i32> [ [[TMP3]], [[ENTRY:%.*]] ], [ [[INC:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[ELT:%.*]] = extractelement <16 x i32> [[TMP4]], i64 0
; CHECK-NEXT:    [[ELTCOPY:%.*]] = extractelement <16 x i32> [[TMP4]], i64 1
; CHECK-NEXT:    [[END:%.*]] = icmp ult i32 [[ELT]], [[LIMIT:%.*]]
; CHECK-NEXT:    [[TMP5:%.*]] = add i32 [[ELTCOPY]], 10
; CHECK-NEXT:    [[TMP6:%.*]] = sext i32 [[ELT]] to i64
; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr i32, i32* [[PTR:%.*]], i64 [[TMP6]]
; CHECK-NEXT:    store i32 [[TMP5]], i32* [[TMP7]], align 4
; CHECK-NEXT:    [[INC]] = add <16 x i32> [[TMP4]], <i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16>
; CHECK-NEXT:    br i1 [[END]], label [[LOOP]], label [[RET:%.*]]
; CHECK:       ret:
; CHECK-NEXT:    ret void
;
entry:
  %tempvector = insertelement <16 x i64> undef, i64 %val, i32 0
  %vector = shufflevector <16 x i64> %tempvector, <16 x i64> undef, <16 x i32> zeroinitializer
  %0 = add <16 x i64> %vector, <i64 0, i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i64 9, i64 10, i64 11, i64 12, i64 13, i64 14, i64 15>
  %1 = trunc <16 x i64> %0 to <16 x i32>
  br label %loop

loop:
  %2 = phi <16 x i32> [ %1, %entry ], [ %inc, %loop ]
  %elt = extractelement <16 x i32> %2, i32 0
  %eltcopy = extractelement <16 x i32> %2, i32 1
  %end = icmp ult i32 %elt, %limit
  %3 = add i32 10, %eltcopy
  %4 = sext i32 %elt to i64
  %5 = getelementptr i32, i32* %ptr, i64 %4
  store i32 %3, i32* %5
  %inc = add <16 x i32> %2, <i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16>
  br i1 %end, label %loop, label %ret

ret:
  ret void
}

define i1 @g(<3 x i32> %input_2, i1 %c1) {
; CHECK-LABEL: @g(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = extractelement <3 x i32> [[INPUT_2:%.*]], i64 0
; CHECK-NEXT:    br label [[FOR_COND:%.*]]
; CHECK:       for.cond:
; CHECK-NEXT:    [[TMP1:%.*]] = phi i32 [ [[TMP0]], [[ENTRY:%.*]] ], [ [[TMP4:%.*]], [[FOR_BODY:%.*]] ]
; CHECK-NEXT:    [[TMP2:%.*]] = phi i32 [ poison, [[ENTRY]] ], [ [[TMP3:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT:    br i1 [[C1:%.*]], label [[FOR_END:%.*]], label [[FOR_BODY]]
; CHECK:       for.body:
; CHECK-NEXT:    [[TMP3]] = add i32 [[TMP2]], -1
; CHECK-NEXT:    [[SUB44_ELT:%.*]] = sub i32 0, [[TMP2]]
; CHECK-NEXT:    [[TMP4]] = sdiv i32 [[TMP1]], [[SUB44_ELT]]
; CHECK-NEXT:    br label [[FOR_COND]]
; CHECK:       for.end:
; CHECK-NEXT:    [[TOBOOL313:%.*]] = icmp eq i32 [[TMP1]], 0
; CHECK-NEXT:    ret i1 [[TOBOOL313]]
;
entry:
  br label %for.cond

for.cond:
  %input_2.addr.0 = phi <3 x i32> [ %input_2, %entry ], [ %div45, %for.body ]
  %input_1.addr.1 = phi <3 x i32> [ poison, %entry ], [ %dec43, %for.body ]
  br i1 %c1, label %for.end, label %for.body

for.body:
  %dec43 = add <3 x i32> %input_1.addr.1, <i32 -1, i32 -1, i32 -1>
  %sub44 = sub <3 x i32> <i32 -1, i32 -1, i32 -1>, %dec43
  %div45 = sdiv <3 x i32> %input_2.addr.0, %sub44
  br label %for.cond

for.end:
  %0 = extractelement <3 x i32> %input_2.addr.0, i32 0
  %.89 = select i1 false, i32 0, i32 %0
  %tobool313 = icmp eq i32 %.89, 0
  ret i1 %tobool313
}