diff options
-rw-r--r-- | test/Transforms/CorrelatedExprs/2002-10-08-DominatorTest.ll | 32 | ||||
-rw-r--r-- | test/Transforms/CorrelatedExprs/2002-10-08-DominatorTest2.ll | 34 |
2 files changed, 66 insertions, 0 deletions
diff --git a/test/Transforms/CorrelatedExprs/2002-10-08-DominatorTest.ll b/test/Transforms/CorrelatedExprs/2002-10-08-DominatorTest.ll new file mode 100644 index 0000000000..8ae3454571 --- /dev/null +++ b/test/Transforms/CorrelatedExprs/2002-10-08-DominatorTest.ll @@ -0,0 +1,32 @@ +; Test to make sure that SSA is correctly updated +; RUN: as < %s | opt -cee +; +implementation ; Functions: + +int %test(int %A, int %B, bool %c0) { +Start: ; No predecessors! + %c1 = seteq int %A, %B ; <bool> [#uses=1] + br bool %c1, label %Eq, label %Start_crit_edge + +Start_crit_edge: ; preds = %Start + br label %Loop + +Eq: ; preds = %Start + br label %Loop + +Loop: ; preds = %Bottom, %Eq, %Start_crit_edge + %Z = phi int [ %A, %Start_crit_edge ], [ %B, %Eq ], [ %Z, %Bottom ] ; <int> [#uses=2] + %c2 = setge int %A, %B ; <bool> [#uses=1] + br bool %c2, label %Forwarded, label %Loop_crit_edge + +Loop_crit_edge: ; preds = %Loop + br label %Bottom + +Forwarded: ; preds = %Loop + %Z2 = phi int [ %Z, %Loop ] ; <int> [#uses=1] + call int %test( int 0, int %Z2, bool true ) ; <int>:0 [#uses=0] + br label %Bottom + +Bottom: ; preds = %Forwarded, %Loop_crit_edge + br label %Loop +} diff --git a/test/Transforms/CorrelatedExprs/2002-10-08-DominatorTest2.ll b/test/Transforms/CorrelatedExprs/2002-10-08-DominatorTest2.ll new file mode 100644 index 0000000000..732eb56f0f --- /dev/null +++ b/test/Transforms/CorrelatedExprs/2002-10-08-DominatorTest2.ll @@ -0,0 +1,34 @@ +; Simple test to make sure dominators are updated properly +; RUN: as < %s | opt -cee + +implementation ; Functions: + +int %test(int %A, int %B, bool %c0) { +Start: ; No predecessors! + %c1 = seteq int %A, %B ; <bool> [#uses=1] + br bool %c1, label %Eq, label %Start_crit_edge + +Start_crit_edge: ; preds = %Start + br label %Loop + +Eq: ; preds = %Start + br label %Loop + +Loop: ; preds = %Bottom, %Eq, %Start_crit_edge + %Z = phi int [ %A, %Start_crit_edge ], [ %B, %Eq ];, [ %Z, %Bottom ] ; <int> [#uses=2] + %c2 = setge int %A, %B ; <bool> [#uses=1] + br bool %c2, label %Forwarded, label %Loop_crit_edge + +Loop_crit_edge: ; preds = %Loop + %X = seteq int %Z, 7 + br bool %X, label %Forwarded, label %Bottom + +Forwarded: ; preds = %Loop + %Z2 = phi int [ %Z, %Loop ], [%Z, %Loop_crit_edge] ; <int> [#uses=1] + call int %test( int %Z, int %Z2, bool true ) ; <int>:0 [#uses=0] + br label %Bottom + +Bottom: ; preds = %Forwarded, %Loop_crit_edge + ret int %Z + ;br label %Loop +} |