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Add loop index split tests. 

llvm-svn: 41146
This commit is contained in:
Devang Patel 2007-08-17 22:02:15 +00:00
parent f087c0c1c6
commit cec2ad95f4
7 changed files with 325 additions and 0 deletions
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53
llvm/test/Transforms/LoopIndexSplit/Crash-2007-08-17.ll Normal file
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; RUN: llvm-as < %s | opt -loop-index-split -disable-output -stats |& \
; RUN: grep "loop-index-split" | count 1
%struct._edit_script = type { %struct._edit_script*, i32, i8 }
define void @align_path(i8* %seq1, i8* %seq2, i32 %i1, i32 %j1, i32 %i2, i32 %j2, i32 %dist, %struct._edit_script** %head, %struct._edit_script** %tail, i32 %M, i32 %N) {
entry:
br label %bb354
bb354: ; preds = %bb511, %entry
br i1 false, label %bb495, label %bb368
bb368: ; preds = %bb354
ret void
bb495: ; preds = %bb495, %bb354
br i1 false, label %bb511, label %bb495
bb511: ; preds = %bb495
br i1 false, label %xmalloc.exit69, label %bb354
xmalloc.exit69: ; preds = %bb511
br i1 false, label %bb556, label %bb542.preheader
bb542.preheader: ; preds = %xmalloc.exit69
ret void
bb556: ; preds = %xmalloc.exit69
br label %bb583
bb583: ; preds = %cond_next693, %bb556
%k.4342.0 = phi i32 [ %tmp707, %cond_next693 ], [ 0, %bb556 ] ; <i32> [#uses=2]
%tmp586 = icmp eq i32 %k.4342.0, 0 ; <i1> [#uses=1]
br i1 %tmp586, label %cond_true589, label %cond_false608
cond_true589: ; preds = %bb583
br label %cond_next693
cond_false608: ; preds = %bb583
br i1 false, label %cond_next661, label %cond_next693
cond_next661: ; preds = %cond_false608
br label %cond_next693
cond_next693: ; preds = %cond_next661, %cond_false608, %cond_true589
%tmp705 = getelementptr i32* null, i32 0 ; <i32*> [#uses=0]
%tmp707 = add i32 %k.4342.0, 1 ; <i32> [#uses=2]
%tmp711 = icmp sgt i32 %tmp707, 0 ; <i1> [#uses=1]
br i1 %tmp711, label %bb726.preheader, label %bb583
bb726.preheader: ; preds = %cond_next693
ret void
}

59
llvm/test/Transforms/LoopIndexSplit/Crash2-2007-08-17.ll Normal file
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; RUN: llvm-as < %s | opt -loop-index-split -disable-output -stats |& \
; RUN: grep "loop-index-split" | count 1
%struct._edit_script = type { %struct._edit_script*, i32, i8 }
define void @align_path(i8* %seq1, i8* %seq2, i32 %i1, i32 %j1, i32 %i2, i32 %j2, i32 %dist, %struct._edit_script** %head, %struct._edit_script** %tail, i32 %M, i32 %N) {
entry:
br label %bb354
bb354: ; preds = %bb511, %entry
br i1 false, label %bb495, label %bb368
bb368: ; preds = %bb354
ret void
bb495: ; preds = %bb495, %bb354
br i1 false, label %bb511, label %bb495
bb511: ; preds = %bb495
br i1 false, label %xmalloc.exit69, label %bb354
xmalloc.exit69: ; preds = %bb511
br i1 false, label %bb556, label %bb542.preheader
bb542.preheader: ; preds = %xmalloc.exit69
ret void
bb556: ; preds = %xmalloc.exit69
br label %bb583
bb583: ; preds = %cond_next693, %bb556
%k.4342.0 = phi i32 [ %tmp707, %cond_next693 ], [ 0, %bb556 ] ; <i32> [#uses=2]
%tmp586 = icmp eq i32 %k.4342.0, 0 ; <i1> [#uses=1]
br i1 %tmp586, label %cond_true589, label %cond_false608
cond_true589: ; preds = %bb583
br label %cond_next693
cond_false608: ; preds = %bb583
br i1 false, label %bb645, label %cond_next693
bb645: ; preds = %cond_false608
br i1 false, label %bb684, label %cond_next661
cond_next661: ; preds = %bb645
br i1 false, label %bb684, label %cond_next693
bb684: ; preds = %cond_next661, %bb645
br label %cond_next693
cond_next693: ; preds = %bb684, %cond_next661, %cond_false608, %cond_true589
%tmp705 = getelementptr i32* null, i32 0 ; <i32*> [#uses=0]
%tmp707 = add i32 %k.4342.0, 1 ; <i32> [#uses=2]
%tmp711 = icmp sgt i32 %tmp707, 0 ; <i1> [#uses=1]
br i1 %tmp711, label %bb726.preheader, label %bb583
bb726.preheader: ; preds = %cond_next693
ret void
}

61
llvm/test/Transforms/LoopIndexSplit/OneIterLoop-2007-08-17.ll Normal file
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; Loop is elimianted
; RUN: llvm-as < %s | opt -loop-index-split -disable-output -stats |& \
; RUN: grep "loop-index-split" | count 1
%struct.anon = type { i32 }
@S1 = external global i32 ; <i32*> [#uses=1]
@W1 = external global i32 ; <i32*> [#uses=1]
@Y = weak global [100 x %struct.anon] zeroinitializer, align 32 ; <[100 x %struct.anon]*> [#uses=1]
@ti = external global i32 ; <i32*> [#uses=1]
@T2 = external global [100 x [100 x i32]] ; <[100 x [100 x i32]]*> [#uses=1]
@d = external global i32 ; <i32*> [#uses=1]
@T1 = external global i32 ; <i32*> [#uses=2]
@N2 = external global i32 ; <i32*> [#uses=2]
define void @foo() {
entry:
%tmp = load i32* @S1, align 4 ; <i32> [#uses=2]
%tmp266 = load i32* @N2, align 4 ; <i32> [#uses=1]
%tmp288 = icmp ult i32 %tmp, %tmp266 ; <i1> [#uses=1]
br i1 %tmp288, label %bb.preheader, label %return
bb.preheader: ; preds = %entry
%tmp1 = load i32* @W1, align 4 ; <i32> [#uses=1]
%tmp13 = load i32* @ti, align 4 ; <i32> [#uses=1]
%tmp18 = load i32* @d, align 4 ; <i32> [#uses=1]
%tmp26 = load i32* @N2, align 4 ; <i32> [#uses=1]
%T1.promoted = load i32* @T1 ; <i32> [#uses=1]
br label %bb
bb: ; preds = %bb.preheader, %bb25
%T1.tmp.1 = phi i32 [ %T1.promoted, %bb.preheader ], [ %T1.tmp.0, %bb25 ] ; <i32> [#uses=3]
%tj.01.0 = phi i32 [ %tmp24, %bb25 ], [ %tmp, %bb.preheader ] ; <i32> [#uses=4]
%tmp3 = icmp eq i32 %tj.01.0, %tmp1 ; <i1> [#uses=1]
br i1 %tmp3, label %cond_true, label %bb25
cond_true: ; preds = %bb
%tmp7 = getelementptr [100 x %struct.anon]* @Y, i32 0, i32 %tj.01.0, i32 0 ; <i32*> [#uses=1]
%tmp8 = load i32* %tmp7, align 4 ; <i32> [#uses=1]
%tmp9 = icmp sgt i32 %tmp8, 0 ; <i1> [#uses=1]
br i1 %tmp9, label %cond_true12, label %bb25
cond_true12: ; preds = %cond_true
%tmp16 = getelementptr [100 x [100 x i32]]* @T2, i32 0, i32 %tmp13, i32 %tj.01.0 ; <i32*> [#uses=1]
%tmp17 = load i32* %tmp16, align 4 ; <i32> [#uses=1]
%tmp19 = mul i32 %tmp18, %tmp17 ; <i32> [#uses=1]
%tmp21 = add i32 %tmp19, %T1.tmp.1 ; <i32> [#uses=1]
br label %bb25
bb25: ; preds = %cond_true, %bb, %cond_true12
%T1.tmp.0 = phi i32 [ %T1.tmp.1, %bb ], [ %T1.tmp.1, %cond_true ], [ %tmp21, %cond_true12 ] ; <i32> [#uses=2]
%tmp24 = add i32 %tj.01.0, 1 ; <i32> [#uses=2]
%tmp28 = icmp ult i32 %tmp24, %tmp26 ; <i1> [#uses=1]
br i1 %tmp28, label %bb, label %return.loopexit
return.loopexit: ; preds = %bb25
%T1.tmp.0.lcssa = phi i32 [ %T1.tmp.0, %bb25 ] ; <i32> [#uses=1]
store i32 %T1.tmp.0.lcssa, i32* @T1
br label %return
return: ; preds = %return.loopexit, %entry
ret void
}

62
llvm/test/Transforms/LoopIndexSplit/OneIterLoop2-2007-08-17.ll Normal file
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; Loop is elimianted. Save last value assignment.
; RUN: llvm-as < %s | opt -loop-index-split -disable-output -stats |& \
; RUN: grep "loop-index-split" | count 1
%struct.anon = type { i32 }
@S1 = external global i32 ; <i32*> [#uses=1]
@W1 = external global i32 ; <i32*> [#uses=1]
@Y = weak global [100 x %struct.anon] zeroinitializer, align 32 ; <[100 x %struct.anon]*> [#uses=1]
@ti = external global i32 ; <i32*> [#uses=1]
@T2 = external global [100 x [100 x i32]] ; <[100 x [100 x i32]]*> [#uses=1]
@d = external global i32 ; <i32*> [#uses=1]
@T1 = external global i32 ; <i32*> [#uses=2]
@N1 = external global i32 ; <i32*> [#uses=2]
define void @foo() {
entry:
%tmp = load i32* @S1, align 4 ; <i32> [#uses=2]
%tmp266 = load i32* @N1, align 4 ; <i32> [#uses=1]
%tmp288 = icmp ult i32 %tmp, %tmp266 ; <i1> [#uses=1]
br i1 %tmp288, label %bb.preheader, label %return
bb.preheader: ; preds = %entry
%tmp1 = load i32* @W1, align 4 ; <i32> [#uses=1]
%tmp13 = load i32* @ti, align 4 ; <i32> [#uses=1]
%tmp18 = load i32* @d, align 4 ; <i32> [#uses=1]
%tmp26 = load i32* @N1, align 4 ; <i32> [#uses=1]
%T1.promoted = load i32* @T1 ; <i32> [#uses=1]
br label %bb
bb: ; preds = %bb.preheader, %bb25
%T1.tmp.1 = phi i32 [ %T1.promoted, %bb.preheader ], [ %T1.tmp.0, %bb25 ] ; <i32> [#uses=3]
%tj.01.0 = phi i32 [ %tmp24, %bb25 ], [ %tmp, %bb.preheader ] ; <i32> [#uses=4]
%tmp24 = add i32 %tj.01.0, 1 ; <i32> [#uses=2]
%tmp3 = icmp eq i32 %tmp24, %tmp1 ; <i1> [#uses=1]
br i1 %tmp3, label %cond_true, label %bb25
cond_true: ; preds = %bb
%tmp7 = getelementptr [100 x %struct.anon]* @Y, i32 0, i32 %tj.01.0, i32 0 ; <i32*> [#uses=1]
%tmp8 = load i32* %tmp7, align 4 ; <i32> [#uses=1]
%tmp9 = icmp sgt i32 %tmp8, 0 ; <i1> [#uses=1]
br i1 %tmp9, label %cond_true12, label %bb25
cond_true12: ; preds = %cond_true
%tmp16 = getelementptr [100 x [100 x i32]]* @T2, i32 0, i32 %tmp13, i32 %tj.01.0 ; <i32*> [#uses=1]
%tmp17 = load i32* %tmp16, align 4 ; <i32> [#uses=1]
%tmp19 = mul i32 %tmp18, %tmp17 ; <i32> [#uses=1]
%tmp21 = add i32 %tmp19, %T1.tmp.1 ; <i32> [#uses=1]
br label %bb25
bb25: ; preds = %cond_true, %bb, %cond_true12
%T1.tmp.0 = phi i32 [ %T1.tmp.1, %bb ], [ %T1.tmp.1, %cond_true ], [ %tmp21, %cond_true12 ] ; <i32> [#uses=2]
%tmp28 = icmp ult i32 %tmp24, %tmp26 ; <i1> [#uses=1]
br i1 %tmp28, label %bb, label %return.loopexit
return.loopexit: ; preds = %bb25
%T1.tmp.0.lcssa = phi i32 [ %T1.tmp.0, %bb25 ] ; <i32> [#uses=1]
store i32 %T1.tmp.0.lcssa, i32* @T1
br label %return
return: ; preds = %return.loopexit, %entry
ret void
}

35
llvm/test/Transforms/LoopIndexSplit/OneIterLoop3-2007-08-17.ll Normal file
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; Loop is elimianted. Save last value assignments, including induction variable.
; RUN: llvm-as < %s | opt -loop-index-split -disable-output -stats |& \
; RUN: grep "loop-index-split" | count 1
declare i32 @foo(i32)
declare i32 @bar(i32, i32)
define void @foobar(i32 %a, i32 %b) {
entry:
br label %bb
bb: ; preds = %cond_next, %entry
%i.01.0 = phi i32 [ 0, %entry ], [ %tmp8, %cond_next ] ; <i32> [#uses=3]
%tsum.16.0 = phi i32 [ 42, %entry ], [ %tsum.0, %cond_next ] ; <i32> [#uses=2]
%tmp1 = icmp eq i32 %i.01.0, 50 ; <i1> [#uses=1]
br i1 %tmp1, label %cond_true, label %cond_next
cond_true: ; preds = %bb
%tmp4 = tail call i32 @foo( i32 %i.01.0 ) ; <i32> [#uses=1]
%tmp6 = add i32 %tmp4, %tsum.16.0 ; <i32> [#uses=1]
br label %cond_next
cond_next: ; preds = %bb, %cond_true
%tsum.0 = phi i32 [ %tmp6, %cond_true ], [ %tsum.16.0, %bb ] ; <i32> [#uses=2]
%tmp8 = add i32 %i.01.0, 1 ; <i32> [#uses=3]
%tmp11 = icmp slt i32 %tmp8, 100 ; <i1> [#uses=1]
br i1 %tmp11, label %bb, label %bb14
bb14: ; preds = %cond_next
%tmp8.lcssa = phi i32 [ %tmp8, %cond_next ] ; <i32> [#uses=1]
%tsum.0.lcssa = phi i32 [ %tsum.0, %cond_next ] ; <i32> [#uses=1]
%tmp17 = tail call i32 @bar( i32 %tmp8.lcssa, i32 %tsum.0.lcssa ) ; <i32> [#uses=0]
ret void
}

52
llvm/test/Transforms/LoopIndexSplit/SaveLastValue-2007-08-17.ll Normal file
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; Split loop. Save last value.
; RUN: llvm-as < %s | opt -loop-index-split -disable-output -stats |& \
; RUN: grep "loop-index-split" | count 1
@k = external global i32 ; <i32*> [#uses=2]
define void @foobar(i32 %a, i32 %b) {
entry:
br label %bb
bb: ; preds = %cond_next16, %entry
%i.01.0 = phi i32 [ 0, %entry ], [ %tmp18, %cond_next16 ] ; <i32> [#uses=5]
%tsum.18.0 = phi i32 [ 42, %entry ], [ %tsum.013.1, %cond_next16 ] ; <i32> [#uses=3]
%tmp1 = icmp slt i32 %i.01.0, 50 ; <i1> [#uses=1]
br i1 %tmp1, label %cond_true, label %cond_false
cond_true: ; preds = %bb
%tmp4 = tail call i32 @foo( i32 %i.01.0 ) ; <i32> [#uses=1]
%tmp6 = add i32 %tmp4, %tsum.18.0 ; <i32> [#uses=2]
%tmp914 = load i32* @k, align 4 ; <i32> [#uses=1]
%tmp1015 = icmp eq i32 %tmp914, 0 ; <i1> [#uses=1]
br i1 %tmp1015, label %cond_next16, label %cond_true13
cond_false: ; preds = %bb
%tmp8 = tail call i32 @bar( i32 %i.01.0 ) ; <i32> [#uses=0]
%tmp9 = load i32* @k, align 4 ; <i32> [#uses=1]
%tmp10 = icmp eq i32 %tmp9, 0 ; <i1> [#uses=1]
br i1 %tmp10, label %cond_next16, label %cond_true13
cond_true13: ; preds = %cond_false, %cond_true
%tsum.013.0 = phi i32 [ %tmp6, %cond_true ], [ %tsum.18.0, %cond_false ] ; <i32> [#uses=1]
%tmp15 = tail call i32 @bar( i32 %i.01.0 ) ; <i32> [#uses=0]
br label %cond_next16
cond_next16: ; preds = %cond_false, %cond_true, %cond_true13
%tsum.013.1 = phi i32 [ %tsum.013.0, %cond_true13 ], [ %tmp6, %cond_true ], [ %tsum.18.0, %cond_false ] ; <i32> [#uses=2]
%tmp18 = add i32 %i.01.0, 1 ; <i32> [#uses=3]
%tmp21 = icmp slt i32 %tmp18, 100 ; <i1> [#uses=1]
br i1 %tmp21, label %bb, label %bb24
bb24: ; preds = %cond_next16
%tmp18.lcssa = phi i32 [ %tmp18, %cond_next16 ] ; <i32> [#uses=1]
%tsum.013.1.lcssa = phi i32 [ %tsum.013.1, %cond_next16 ] ; <i32> [#uses=1]
%tmp27 = tail call i32 @t( i32 %tmp18.lcssa, i32 %tsum.013.1.lcssa ) ; <i32> [#uses=0]
ret void
}
declare i32 @foo(i32)
declare i32 @bar(i32)
declare i32 @t(i32, i32)

3
llvm/test/Transforms/LoopIndexSplit/dg.exp Normal file
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load_lib llvm.exp
RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{ll,llx,c,cpp,tr}]]