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author | Devang Patel <dpatel@apple.com> | 2007-09-10 18:33:42 +0000 |
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committer | Devang Patel <dpatel@apple.com> | 2007-09-10 18:33:42 +0000 |
commit | f8ab0a9acc97fdb2648c3a467f2c93a008a1c395 (patch) | |
tree | e1463c143395e5882ef81eae433908dacd117a1c /llvm/test/Transforms/LoopIndexSplit | |
parent | c24099ac82a03e8fec4c5c8e42a54c6f95399c02 (diff) | |
download | bcm5719-llvm-f8ab0a9acc97fdb2648c3a467f2c93a008a1c395.tar.gz bcm5719-llvm-f8ab0a9acc97fdb2648c3a467f2c93a008a1c395.zip |
Filter exit conditions which are not yet handled.
llvm-svn: 41800
Diffstat (limited to 'llvm/test/Transforms/LoopIndexSplit')
-rw-r--r-- | llvm/test/Transforms/LoopIndexSplit/ExitCondition-2007-09-10.ll | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopIndexSplit/ExitCondition-2007-09-10.ll b/llvm/test/Transforms/LoopIndexSplit/ExitCondition-2007-09-10.ll new file mode 100644 index 00000000000..9e79f483d9f --- /dev/null +++ b/llvm/test/Transforms/LoopIndexSplit/ExitCondition-2007-09-10.ll @@ -0,0 +1,50 @@ +; RUN: llvm-as < %s | opt -loop-index-split -disable-output + +@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 eq 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) |