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|
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 3
; RUN: opt -passes='print<access-info><allow-partial>' -disable-output < %s 2>&1 | FileCheck %s
%s1 = type { [32000 x double], [32000 x double], [32000 x double] }
define i32 @load_with_pointer_phi_no_runtime_checks(ptr %data) {
; CHECK-LABEL: 'load_with_pointer_phi_no_runtime_checks'
; CHECK-NEXT: loop.header:
; CHECK-NEXT: Memory dependences are safe
; CHECK-NEXT: Dependences:
; CHECK-NEXT: Run-time memory checks:
; CHECK-NEXT: Grouped accesses:
; CHECK-EMPTY:
; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
; CHECK-NEXT: SCEV assumptions:
; CHECK-EMPTY:
; CHECK-NEXT: Expressions re-written:
;
entry:
br label %loop.header
loop.header: ; preds = %loop.latch, %entry
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop.latch ]
%iv.next = add nuw nsw i64 %iv, 1
%cmp5 = icmp ult i64 %iv, 15999
%arrayidx = getelementptr inbounds %s1, ptr %data, i64 0, i32 0, i64 %iv
br i1 %cmp5, label %if.then, label %if.else
if.then: ; preds = %loop.header
%gep.1 = getelementptr inbounds %s1, ptr %data, i64 0, i32 1, i64 %iv
br label %loop.latch
if.else: ; preds = %loop.header
%gep.2 = getelementptr inbounds %s1, ptr %data, i64 0, i32 2, i64 %iv
br label %loop.latch
loop.latch: ; preds = %if.else, %if.then
%gep.2.sink = phi ptr [ %gep.2, %if.else ], [ %gep.1, %if.then ]
%v8 = load double, ptr %gep.2.sink, align 8
%mul16 = fmul double 3.0, %v8
store double %mul16, ptr %arrayidx, align 8
%exitcond.not = icmp eq i64 %iv.next, 32000
br i1 %exitcond.not, label %exit, label %loop.header
exit: ; preds = %loop.latch
ret i32 10
}
define i32 @store_with_pointer_phi_no_runtime_checks(ptr %data) {
; CHECK-LABEL: 'store_with_pointer_phi_no_runtime_checks'
; CHECK-NEXT: loop.header:
; CHECK-NEXT: Memory dependences are safe
; CHECK-NEXT: Dependences:
; CHECK-NEXT: Run-time memory checks:
; CHECK-NEXT: Grouped accesses:
; CHECK-EMPTY:
; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
; CHECK-NEXT: SCEV assumptions:
; CHECK-EMPTY:
; CHECK-NEXT: Expressions re-written:
;
entry:
br label %loop.header
loop.header: ; preds = %loop.latch, %entry
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop.latch ]
%iv.next = add nuw nsw i64 %iv, 1
%cmp5 = icmp ult i64 %iv, 15999
%arrayidx = getelementptr inbounds %s1, ptr %data, i64 0, i32 0, i64 %iv
br i1 %cmp5, label %if.then, label %if.else
if.then: ; preds = %loop.header
%gep.1 = getelementptr inbounds %s1, ptr %data, i64 0, i32 1, i64 %iv
br label %loop.latch
if.else: ; preds = %loop.header
%gep.2 = getelementptr inbounds %s1, ptr %data, i64 0, i32 2, i64 %iv
br label %loop.latch
loop.latch: ; preds = %if.else, %if.then
%gep.2.sink = phi ptr [ %gep.2, %if.else ], [ %gep.1, %if.then ]
%v8 = load double, ptr %arrayidx, align 8
%mul16 = fmul double 3.0, %v8
store double %mul16, ptr %gep.2.sink, align 8
%exitcond.not = icmp eq i64 %iv.next, 32000
br i1 %exitcond.not, label %exit, label %loop.header
exit: ; preds = %loop.latch
ret i32 10
}
define i32 @store_with_pointer_phi_runtime_checks(ptr %A, ptr %B, ptr %C) {
; CHECK-LABEL: 'store_with_pointer_phi_runtime_checks'
; CHECK-NEXT: loop.header:
; CHECK-NEXT: Memory dependences are safe with run-time checks
; CHECK-NEXT: Dependences:
; CHECK-NEXT: Run-time memory checks:
; CHECK-NEXT: Check 0:
; CHECK-NEXT: Comparing group GRP0:
; CHECK-NEXT: %gep.1 = getelementptr inbounds double, ptr %B, i64 %iv
; CHECK-NEXT: Against group GRP1:
; CHECK-NEXT: %gep.2 = getelementptr inbounds double, ptr %C, i64 %iv
; CHECK-NEXT: Check 1:
; CHECK-NEXT: Comparing group GRP0:
; CHECK-NEXT: %gep.1 = getelementptr inbounds double, ptr %B, i64 %iv
; CHECK-NEXT: Against group GRP2:
; CHECK-NEXT: %arrayidx = getelementptr inbounds double, ptr %A, i64 %iv
; CHECK-NEXT: Check 2:
; CHECK-NEXT: Comparing group GRP1:
; CHECK-NEXT: %gep.2 = getelementptr inbounds double, ptr %C, i64 %iv
; CHECK-NEXT: Against group GRP2:
; CHECK-NEXT: %arrayidx = getelementptr inbounds double, ptr %A, i64 %iv
; CHECK-NEXT: Grouped accesses:
; CHECK-NEXT: Group GRP0:
; CHECK-NEXT: (Low: %B High: (256000 + %B))
; CHECK-NEXT: Member: {%B,+,8}<nw><%loop.header>
; CHECK-NEXT: Group GRP1:
; CHECK-NEXT: (Low: %C High: (256000 + %C))
; CHECK-NEXT: Member: {%C,+,8}<nw><%loop.header>
; CHECK-NEXT: Group GRP2:
; CHECK-NEXT: (Low: %A High: (256000 + %A))
; CHECK-NEXT: Member: {%A,+,8}<nw><%loop.header>
; CHECK-EMPTY:
; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
; CHECK-NEXT: SCEV assumptions:
; CHECK-EMPTY:
; CHECK-NEXT: Expressions re-written:
;
entry:
br label %loop.header
loop.header: ; preds = %loop.latch, %entry
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop.latch ]
%iv.next = add nuw nsw i64 %iv, 1
%cmp5 = icmp ult i64 %iv, 15999
%arrayidx = getelementptr inbounds double, ptr %A, i64 %iv
br i1 %cmp5, label %if.then, label %if.else
if.then: ; preds = %loop.header
%gep.1 = getelementptr inbounds double, ptr %B, i64 %iv
br label %loop.latch
if.else: ; preds = %loop.header
%gep.2 = getelementptr inbounds double, ptr %C, i64 %iv
br label %loop.latch
loop.latch: ; preds = %if.else, %if.then
%gep.2.sink = phi ptr [ %gep.2, %if.else ], [ %gep.1, %if.then ]
%v8 = load double, ptr %arrayidx, align 8
%mul16 = fmul double 3.0, %v8
store double %mul16, ptr %gep.2.sink, align 8
%exitcond.not = icmp eq i64 %iv.next, 32000
br i1 %exitcond.not, label %exit, label %loop.header
exit: ; preds = %loop.latch
ret i32 10
}
define i32 @load_with_pointer_phi_outside_loop(ptr %A, ptr %B, ptr %C, i1 %c.0, i1 %c.1) {
; CHECK-LABEL: 'load_with_pointer_phi_outside_loop'
; CHECK-NEXT: loop.header:
; CHECK-NEXT: Report: unsafe dependent memory operations in loop. Use #pragma clang loop distribute(enable) to allow loop distribution to attempt to isolate the offending operations into a separate loop
; CHECK-NEXT: Unknown data dependence.
; CHECK-NEXT: Dependences:
; CHECK-NEXT: Unknown:
; CHECK-NEXT: %v8 = load double, ptr %ptr, align 8 ->
; CHECK-NEXT: store double %mul16, ptr %arrayidx, align 8
; CHECK-EMPTY:
; CHECK-NEXT: Run-time memory checks:
; CHECK-NEXT: Grouped accesses:
; CHECK-EMPTY:
; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
; CHECK-NEXT: SCEV assumptions:
; CHECK-EMPTY:
; CHECK-NEXT: Expressions re-written:
;
entry:
br i1 %c.0, label %if.then, label %if.else
if.then:
br label %loop.ph
if.else:
%ptr.select = select i1 %c.1, ptr %C, ptr %B
br label %loop.ph
loop.ph:
%ptr = phi ptr [ %A, %if.then ], [ %ptr.select, %if.else ]
br label %loop.header
loop.header: ; preds = %loop.latch, %entry
%iv = phi i64 [ 0, %loop.ph ], [ %iv.next, %loop.header ]
%iv.next = add nuw nsw i64 %iv, 1
%arrayidx = getelementptr inbounds double, ptr %A, i64 %iv
%v8 = load double, ptr %ptr, align 8
%mul16 = fmul double 3.0, %v8
store double %mul16, ptr %arrayidx, align 8
%exitcond.not = icmp eq i64 %iv.next, 32000
br i1 %exitcond.not, label %exit, label %loop.header
exit: ; preds = %loop.latch
ret i32 10
}
define i32 @store_with_pointer_phi_outside_loop(ptr %A, ptr %B, ptr %C, i1 %c.0, i1 %c.1) {
; CHECK-LABEL: 'store_with_pointer_phi_outside_loop'
; CHECK-NEXT: loop.header:
; CHECK-NEXT: Report: unsafe dependent memory operations in loop. Use #pragma clang loop distribute(enable) to allow loop distribution to attempt to isolate the offending operations into a separate loop
; CHECK-NEXT: Unknown data dependence.
; CHECK-NEXT: Dependences:
; CHECK-NEXT: Unknown:
; CHECK-NEXT: %v8 = load double, ptr %arrayidx, align 8 ->
; CHECK-NEXT: store double %mul16, ptr %ptr, align 8
; CHECK-EMPTY:
; CHECK-NEXT: Run-time memory checks:
; CHECK-NEXT: Grouped accesses:
; CHECK-EMPTY:
; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
; CHECK-NEXT: SCEV assumptions:
; CHECK-EMPTY:
; CHECK-NEXT: Expressions re-written:
;
entry:
br i1 %c.0, label %if.then, label %if.else
if.then:
br label %loop.ph
if.else:
%ptr.select = select i1 %c.1, ptr %C, ptr %B
br label %loop.ph
loop.ph:
%ptr = phi ptr [ %A, %if.then ], [ %ptr.select, %if.else ]
br label %loop.header
loop.header: ; preds = %loop.latch, %entry
%iv = phi i64 [ 0, %loop.ph ], [ %iv.next, %loop.header ]
%iv.next = add nuw nsw i64 %iv, 1
%arrayidx = getelementptr inbounds double, ptr %A, i64 %iv
%v8 = load double, ptr %arrayidx, align 8
%mul16 = fmul double 3.0, %v8
store double %mul16, ptr %ptr, align 8
%exitcond.not = icmp eq i64 %iv.next, 32000
br i1 %exitcond.not, label %exit, label %loop.header
exit: ; preds = %loop.latch
ret i32 10
}
define i32 @store_with_pointer_phi_incoming_phi(ptr %A, ptr %B, ptr %C, i1 %c.0, i1 %c.1) {
; CHECK-LABEL: 'store_with_pointer_phi_incoming_phi'
; CHECK-NEXT: loop.header:
; CHECK-NEXT: Report: unsafe dependent memory operations in loop. Use #pragma clang loop distribute(enable) to allow loop distribution to attempt to isolate the offending operations into a separate loop
; CHECK-NEXT: Unknown data dependence.
; CHECK-NEXT: Dependences:
; CHECK-NEXT: Unknown:
; CHECK-NEXT: %v8 = load double, ptr %arrayidx, align 8 ->
; CHECK-NEXT: store double %mul16, ptr %ptr.2, align 8
; CHECK-EMPTY:
; CHECK-NEXT: Run-time memory checks:
; CHECK-NEXT: Check 0:
; CHECK-NEXT: Comparing group GRP0:
; CHECK-NEXT: ptr %C
; CHECK-NEXT: Against group GRP1:
; CHECK-NEXT: ptr %B
; CHECK-NEXT: Check 1:
; CHECK-NEXT: Comparing group GRP0:
; CHECK-NEXT: ptr %C
; CHECK-NEXT: Against group GRP2:
; CHECK-NEXT: %arrayidx = getelementptr inbounds double, ptr %A, i64 %iv
; CHECK-NEXT: ptr %A
; CHECK-NEXT: Check 2:
; CHECK-NEXT: Comparing group GRP1:
; CHECK-NEXT: ptr %B
; CHECK-NEXT: Against group GRP2:
; CHECK-NEXT: %arrayidx = getelementptr inbounds double, ptr %A, i64 %iv
; CHECK-NEXT: ptr %A
; CHECK-NEXT: Grouped accesses:
; CHECK-NEXT: Group GRP0:
; CHECK-NEXT: (Low: %C High: (8 + %C))
; CHECK-NEXT: Member: %C
; CHECK-NEXT: Group GRP1:
; CHECK-NEXT: (Low: %B High: (8 + %B))
; CHECK-NEXT: Member: %B
; CHECK-NEXT: Group GRP2:
; CHECK-NEXT: (Low: %A High: (256000 + %A))
; CHECK-NEXT: Member: {%A,+,8}<nuw><%loop.header>
; CHECK-NEXT: Member: %A
; CHECK-EMPTY:
; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
; CHECK-NEXT: SCEV assumptions:
; CHECK-EMPTY:
; CHECK-NEXT: Expressions re-written:
;
; CHECK-EMPTY
entry:
br label %loop.header
loop.header: ; preds = %loop.latch, %entry
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop.latch ]
%iv.next = add nuw nsw i64 %iv, 1
%arrayidx = getelementptr inbounds double, ptr %A, i64 %iv
%v8 = load double, ptr %arrayidx, align 8
%mul16 = fmul double 3.0, %v8
br i1 %c.0, label %loop.then, label %loop.latch
loop.then:
br i1 %c.0, label %loop.then.2, label %loop.else.2
loop.then.2:
br label %merge.2
loop.else.2:
br label %merge.2
merge.2:
%ptr = phi ptr [ %A, %loop.then.2 ], [ %B, %loop.else.2 ]
br label %loop.latch
loop.latch:
%ptr.2 = phi ptr [ %ptr, %merge.2], [ %C, %loop.header ]
store double %mul16, ptr %ptr.2, align 8
%exitcond.not = icmp eq i64 %iv.next, 32000
br i1 %exitcond.not, label %exit, label %loop.header
exit: ; preds = %loop.latch
ret i32 10
}
; Test cases with pointer phis forming a cycle.
define i32 @store_with_pointer_phi_incoming_phi_irreducible_cycle(ptr %A, ptr %B, ptr %C, i1 %c.0, i1 %c.1) {
; CHECK-LABEL: 'store_with_pointer_phi_incoming_phi_irreducible_cycle'
; CHECK-NEXT: loop.header:
; CHECK-NEXT: Report: unsafe dependent memory operations in loop. Use #pragma clang loop distribute(enable) to allow loop distribution to attempt to isolate the offending operations into a separate loop
; CHECK-NEXT: Unknown data dependence.
; CHECK-NEXT: Dependences:
; CHECK-NEXT: Unknown:
; CHECK-NEXT: %v8 = load double, ptr %arrayidx, align 8 ->
; CHECK-NEXT: store double %mul16, ptr %ptr.3, align 8
; CHECK-EMPTY:
; CHECK-NEXT: Run-time memory checks:
; CHECK-NEXT: Check 0:
; CHECK-NEXT: Comparing group GRP0:
; CHECK-NEXT: ptr %C
; CHECK-NEXT: Against group GRP1:
; CHECK-NEXT: ptr %B
; CHECK-NEXT: Check 1:
; CHECK-NEXT: Comparing group GRP0:
; CHECK-NEXT: ptr %C
; CHECK-NEXT: Against group GRP2:
; CHECK-NEXT: %arrayidx = getelementptr inbounds double, ptr %A, i64 %iv
; CHECK-NEXT: ptr %A
; CHECK-NEXT: Check 2:
; CHECK-NEXT: Comparing group GRP1:
; CHECK-NEXT: ptr %B
; CHECK-NEXT: Against group GRP2:
; CHECK-NEXT: %arrayidx = getelementptr inbounds double, ptr %A, i64 %iv
; CHECK-NEXT: ptr %A
; CHECK-NEXT: Grouped accesses:
; CHECK-NEXT: Group GRP0:
; CHECK-NEXT: (Low: %C High: (8 + %C))
; CHECK-NEXT: Member: %C
; CHECK-NEXT: Group GRP1:
; CHECK-NEXT: (Low: %B High: (8 + %B))
; CHECK-NEXT: Member: %B
; CHECK-NEXT: Group GRP2:
; CHECK-NEXT: (Low: %A High: (256000 + %A))
; CHECK-NEXT: Member: {%A,+,8}<nuw><%loop.header>
; CHECK-NEXT: Member: %A
; CHECK-EMPTY:
; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
; CHECK-NEXT: SCEV assumptions:
; CHECK-EMPTY:
; CHECK-NEXT: Expressions re-written:
;
; CHECK-EMPTY
entry:
br label %loop.header
loop.header: ; preds = %loop.latch, %entry
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop.latch ]
%iv.next = add nuw nsw i64 %iv, 1
%arrayidx = getelementptr inbounds double, ptr %A, i64 %iv
%v8 = load double, ptr %arrayidx, align 8
%mul16 = fmul double 3.0, %v8
br i1 %c.0, label %loop.then, label %loop.latch
loop.then:
br i1 %c.0, label %BB.A, label %BB.B
BB.A:
%ptr = phi ptr [ %A, %loop.then ], [ %ptr.2, %BB.B ]
br label %BB.B
BB.B:
%ptr.2 = phi ptr [ %ptr, %BB.A ], [ %B, %loop.then ]
br i1 %c.1, label %loop.latch, label %BB.A
loop.latch:
%ptr.3 = phi ptr [ %ptr.2, %BB.B ], [ %C, %loop.header ]
store double %mul16, ptr %ptr.3, align 8
%exitcond.not = icmp eq i64 %iv.next, 32000
br i1 %exitcond.not, label %exit, label %loop.header
exit: ; preds = %loop.latch
ret i32 10
}
define i32 @store_with_pointer_phi_outside_loop_select(ptr %A, ptr %B, ptr %C, i1 %c.0, i1 %c.1) {
; CHECK-LABEL: 'store_with_pointer_phi_outside_loop_select'
; CHECK-NEXT: loop.header:
; CHECK-NEXT: Report: unsafe dependent memory operations in loop. Use #pragma clang loop distribute(enable) to allow loop distribution to attempt to isolate the offending operations into a separate loop
; CHECK-NEXT: Unknown data dependence.
; CHECK-NEXT: Dependences:
; CHECK-NEXT: Unknown:
; CHECK-NEXT: %v8 = load double, ptr %arrayidx, align 8 ->
; CHECK-NEXT: store double %mul16, ptr %ptr, align 8
; CHECK-EMPTY:
; CHECK-NEXT: Run-time memory checks:
; CHECK-NEXT: Grouped accesses:
; CHECK-EMPTY:
; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
; CHECK-NEXT: SCEV assumptions:
; CHECK-EMPTY:
; CHECK-NEXT: Expressions re-written:
;
entry:
br i1 %c.0, label %if.then, label %if.else
if.then:
br label %loop.ph
if.else:
%ptr.select = select i1 %c.1, ptr %C, ptr %B
br label %loop.ph
loop.ph:
%ptr = phi ptr [ %A, %if.then ], [ %ptr.select, %if.else ]
br label %loop.header
loop.header: ; preds = %loop.latch, %entry
%iv = phi i64 [ 0, %loop.ph ], [ %iv.next, %loop.header ]
%iv.next = add nuw nsw i64 %iv, 1
%arrayidx = getelementptr inbounds double, ptr %A, i64 %iv
%v8 = load double, ptr %arrayidx, align 8
%mul16 = fmul double 3.0, %v8
store double %mul16, ptr %ptr, align 8
%exitcond.not = icmp eq i64 %iv.next, 32000
br i1 %exitcond.not, label %exit, label %loop.header
exit: ; preds = %loop.latch
ret i32 10
}
define i32 @store_with_pointer_phi_in_same_bb_use_other_phi(ptr %A, ptr %B, ptr %C, ptr %D, i1 %c.0, i1 %c.1) {
; CHECK-LABEL: 'store_with_pointer_phi_in_same_bb_use_other_phi'
; CHECK-NEXT: loop.header:
; CHECK-NEXT: Report: cannot identify array bounds
; CHECK-NEXT: Dependences:
; CHECK-NEXT: Run-time memory checks:
; CHECK-NEXT: Grouped accesses:
; CHECK-NEXT: Group GRP0:
; CHECK-NEXT: (Low: %A High: (256000 + %A))
; CHECK-NEXT: Member: {%A,+,8}<nuw><%loop.header>
; CHECK-NEXT: Generated run-time checks are incomplete
; CHECK-EMPTY:
; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
; CHECK-NEXT: SCEV assumptions:
; CHECK-EMPTY:
; CHECK-NEXT: Expressions re-written:
;
entry:
br label %loop.header
loop.header: ; preds = %loop.latch, %entry
%ptr.0 = phi ptr [ %C, %entry ], [ %D, %loop.header ]
%ptr.1 = phi ptr [ %B, %entry ], [ %ptr.0, %loop.header ]
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop.header ]
%iv.next = add nuw nsw i64 %iv, 1
%arrayidx = getelementptr inbounds double, ptr %A, i64 %iv
%v8 = load double, ptr %arrayidx, align 8
%mul16 = fmul double 3.0, %v8
store double %mul16, ptr %ptr.1, align 8
%exitcond.not = icmp eq i64 %iv.next, 32000
br i1 %exitcond.not, label %exit, label %loop.header
exit: ; preds = %loop.latch
ret i32 10
}
define void @phi_load_store_memdep_check(i1 %c, ptr %A, ptr %B, ptr %C) {
; CHECK-LABEL: 'phi_load_store_memdep_check'
; CHECK-NEXT: for.body:
; CHECK-NEXT: Report: unsafe dependent memory operations in loop. Use #pragma clang loop distribute(enable) to allow loop distribution to attempt to isolate the offending operations into a separate loop
; CHECK-NEXT: Unknown data dependence.
; CHECK-NEXT: Dependences:
; CHECK-NEXT: Unknown:
; CHECK-NEXT: %lv3 = load i16, ptr %c.sink, align 2 ->
; CHECK-NEXT: store i16 %add, ptr %c.sink, align 1
; CHECK-EMPTY:
; CHECK-NEXT: Unknown:
; CHECK-NEXT: %lv3 = load i16, ptr %c.sink, align 2 ->
; CHECK-NEXT: store i16 %add, ptr %c.sink, align 1
; CHECK-EMPTY:
; CHECK-NEXT: Run-time memory checks:
; CHECK-NEXT: Check 0:
; CHECK-NEXT: Comparing group GRP0:
; CHECK-NEXT: ptr %A
; CHECK-NEXT: ptr %A
; CHECK-NEXT: Against group GRP1:
; CHECK-NEXT: ptr %C
; CHECK-NEXT: ptr %C
; CHECK-NEXT: Check 1:
; CHECK-NEXT: Comparing group GRP0:
; CHECK-NEXT: ptr %A
; CHECK-NEXT: ptr %A
; CHECK-NEXT: Against group GRP2:
; CHECK-NEXT: ptr %B
; CHECK-NEXT: ptr %B
; CHECK-NEXT: Check 2:
; CHECK-NEXT: Comparing group GRP1:
; CHECK-NEXT: ptr %C
; CHECK-NEXT: ptr %C
; CHECK-NEXT: Against group GRP2:
; CHECK-NEXT: ptr %B
; CHECK-NEXT: ptr %B
; CHECK-NEXT: Grouped accesses:
; CHECK-NEXT: Group GRP0:
; CHECK-NEXT: (Low: %A High: (2 + %A))
; CHECK-NEXT: Member: %A
; CHECK-NEXT: Member: %A
; CHECK-NEXT: Group GRP1:
; CHECK-NEXT: (Low: %C High: (2 + %C))
; CHECK-NEXT: Member: %C
; CHECK-NEXT: Member: %C
; CHECK-NEXT: Group GRP2:
; CHECK-NEXT: (Low: %B High: (2 + %B))
; CHECK-NEXT: Member: %B
; CHECK-NEXT: Member: %B
; CHECK-EMPTY:
; CHECK-NEXT: Non vectorizable stores to invariant address were found in loop.
; CHECK-NEXT: SCEV assumptions:
; CHECK-EMPTY:
; CHECK-NEXT: Expressions re-written:
;
entry:
br label %for.body
for.body: ; preds = %if.end, %entry
%iv = phi i16 [ 0, %entry ], [ %iv.next, %if.end ]
%lv = load i16, ptr %A, align 1
store i16 %lv, ptr %A, align 1
br i1 %c, label %if.then, label %if.end
if.then: ; preds = %for.body
%lv2 = load i16, ptr %A, align 1
br label %if.end
if.end: ; preds = %if.then, %for.body
%c.sink = phi ptr [ %B, %if.then ], [ %C, %for.body ]
%lv3 = load i16, ptr %c.sink
%add = add i16 %lv3, 10
store i16 %add, ptr %c.sink, align 1
%iv.next = add nuw nsw i16 %iv, 1
%tobool.not = icmp eq i16 %iv.next, 1000
br i1 %tobool.not, label %for.end.loopexit, label %for.body
for.end.loopexit: ; preds = %if.end
ret void
}
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