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author | Chris Lattner <sabre@nondot.org> | 2007-03-04 00:54:06 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2007-03-04 00:54:06 +0000 |
commit | 2fbdd6ba02b9fca86adb84301df0bbf9fb3c987a (patch) | |
tree | 5d43f81f21e448b34189fa8bb1d06195f05c68c3 | |
parent | 12cabda94124851d8a9304a54fcce36a434bacd3 (diff) | |
download | external_llvm-2fbdd6ba02b9fca86adb84301df0bbf9fb3c987a.zip external_llvm-2fbdd6ba02b9fca86adb84301df0bbf9fb3c987a.tar.gz external_llvm-2fbdd6ba02b9fca86adb84301df0bbf9fb3c987a.tar.bz2 |
New testcases for PR1179/PR1232.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34895 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | test/Transforms/IndVarsSimplify/loop_evaluate_2.ll | 28 | ||||
-rw-r--r-- | test/Transforms/IndVarsSimplify/loop_evaluate_3.ll | 19 | ||||
-rw-r--r-- | test/Transforms/IndVarsSimplify/loop_evaluate_4.ll | 20 |
3 files changed, 67 insertions, 0 deletions
diff --git a/test/Transforms/IndVarsSimplify/loop_evaluate_2.ll b/test/Transforms/IndVarsSimplify/loop_evaluate_2.ll new file mode 100644 index 0000000..e11e327 --- /dev/null +++ b/test/Transforms/IndVarsSimplify/loop_evaluate_2.ll @@ -0,0 +1,28 @@ +; RUN: llvm-as < %s | opt -indvars -adce -simplifycfg | llvm-dis | grep select && +; RUN: llvm-as < %s | opt -indvars -adce -simplifycfg | llvm-dis | not grep br +; PR1179 + +define i32 @ltst(i32 %x) { +entry: + icmp sgt i32 %x, 0 ; <i1>:0 [#uses=1] + br i1 %0, label %bb.preheader, label %bb8 + +bb.preheader: ; preds = %entry + br label %bb + +bb: ; preds = %bb, %bb.preheader + %i.01.0 = phi i32 [ %tmp4, %bb ], [ 0, %bb.preheader ] ; <i32> [#uses=1] + %j.03.0 = phi i32 [ %tmp2, %bb ], [ 0, %bb.preheader ] ; <i32> [#uses=1] + %tmp4 = add i32 %i.01.0, 1 ; <i32> [#uses=2] + %tmp2 = add i32 %j.03.0, 1 ; <i32> [#uses=2] + icmp slt i32 %tmp4, %x ; <i1>:1 [#uses=1] + br i1 %1, label %bb, label %bb8.loopexit + +bb8.loopexit: ; preds = %bb + br label %bb8 + +bb8: ; preds = %bb8.loopexit, %entry + %j.03.1 = phi i32 [ 0, %entry ], [ %tmp2, %bb8.loopexit ] ; <i32> [#uses=1] + ret i32 %j.03.1 +} + diff --git a/test/Transforms/IndVarsSimplify/loop_evaluate_3.ll b/test/Transforms/IndVarsSimplify/loop_evaluate_3.ll new file mode 100644 index 0000000..155e8b4 --- /dev/null +++ b/test/Transforms/IndVarsSimplify/loop_evaluate_3.ll @@ -0,0 +1,19 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep 'ret i32 600000' +; PR1179 + +define i32 @foo() { +entry: + br label %bb5 + +bb5: ; preds = %bb5, %entry + %i.01.0 = phi i32 [ 0, %entry ], [ %tmp2, %bb5 ] ; <i32> [#uses=1] + %x.03.0 = phi i32 [ 0, %entry ], [ %tmp4, %bb5 ] ; <i32> [#uses=1] + %tmp2 = add i32 %i.01.0, 3 ; <i32> [#uses=2] + %tmp4 = add i32 %x.03.0, 1 ; <i32> [#uses=2] + icmp slt i32 %tmp4, 200000 ; <i1>:0 [#uses=1] + br i1 %0, label %bb5, label %bb7 + +bb7: ; preds = %bb5 + ret i32 %tmp2 +} + diff --git a/test/Transforms/IndVarsSimplify/loop_evaluate_4.ll b/test/Transforms/IndVarsSimplify/loop_evaluate_4.ll new file mode 100644 index 0000000..feb56ed --- /dev/null +++ b/test/Transforms/IndVarsSimplify/loop_evaluate_4.ll @@ -0,0 +1,20 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep 'ret i32 9900' +; PR1179 + +define i32 @test4() { +entry: + br label %bb7 + +bb7: ; preds = %bb7, %entry + %v.01.0 = phi i32 [ 0, %entry ], [ %tmp4, %bb7 ] ; <i32> [#uses=1] + %i.03.0 = phi i32 [ 0, %entry ], [ %tmp6, %bb7 ] ; <i32> [#uses=2] + %tmp2 = shl i32 %i.03.0, 1 ; <i32> [#uses=1] + %tmp4 = add i32 %tmp2, %v.01.0 ; <i32> [#uses=2] + %tmp6 = add i32 %i.03.0, 1 ; <i32> [#uses=2] + icmp slt i32 %tmp6, 100 ; <i1>:0 [#uses=1] + br i1 %0, label %bb7, label %bb9 + +bb9: ; preds = %bb7 + ret i32 %tmp4 +} + |