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| -rw-r--r-- | test/Transforms/LoopStrengthReduce/2007-04-23-UseIterator.ll | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/test/Transforms/LoopStrengthReduce/2007-04-23-UseIterator.ll b/test/Transforms/LoopStrengthReduce/2007-04-23-UseIterator.ll new file mode 100644 index 0000000..2d2dade --- /dev/null +++ b/test/Transforms/LoopStrengthReduce/2007-04-23-UseIterator.ll @@ -0,0 +1,71 @@ +; RUN: llvm-as < %s | opt -loop-reduce -disable-output + +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64" + +target triple = "i686-apple-darwin9" + +define i8* @foo( i8* %ABC) { +entry: + switch i8 0, label %bb129 [ + i8 0, label %UnifiedReturnBlock + i8 9, label %UnifiedReturnBlock + i8 32, label %UnifiedReturnBlock + i8 35, label %UnifiedReturnBlock + i8 37, label %bb16.preheader + ] + +bb16.preheader: ; preds = %entry + br label %bb16 + +bb16: ; preds = %cond_next102, %bb16.preheader + %indvar = phi i32 [ %indvar.next, %cond_next102 ], [ 0, %bb16.preheader ] ; <i32> [#uses=2] + %ABC.2146.0.rec = mul i32 %indvar, 3 ; <i32> [#uses=1] + br i1 false, label %UnifiedReturnBlock.loopexit, label %cond_next102 + +cond_next102: ; preds = %bb16 + %tmp138145.rec = add i32 %ABC.2146.0.rec, 3 ; <i32> [#uses=1] + %tmp138145 = getelementptr i8* %ABC, i32 %tmp138145.rec ; <i8*> [#uses=4] + %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] + switch i8 0, label %bb129.loopexit [ + i8 0, label %UnifiedReturnBlock.loopexit + i8 9, label %UnifiedReturnBlock.loopexit + i8 32, label %UnifiedReturnBlock.loopexit + i8 35, label %UnifiedReturnBlock.loopexit + i8 37, label %bb16 + ] + +bb129.loopexit: ; preds = %cond_next102 + br label %bb129 + +bb129: ; preds = %bb129.loopexit, %entry + ret i8* null + +UnifiedReturnBlock.loopexit: ; preds = %cond_next102, %cond_next102, %cond_next102, %cond_next102, %bb16 + %UnifiedRetVal.ph = phi i8* [ %tmp138145, %cond_next102 ], [ %tmp138145, %cond_next102 ], [ %tmp138145, %cond_next102 ], [ %tmp138145, %cond_next102 ], [ null, %bb16 ] ; <i8*> [#uses=0] + br label %UnifiedReturnBlock + +UnifiedReturnBlock: ; preds = %UnifiedReturnBlock.loopexit, %entry, %entry, %entry, %entry + ret i8* null +} + +define i8* @bar() { +entry: + switch i8 0, label %bb158 [ + i8 37, label %bb74 + i8 58, label %cond_true + i8 64, label %bb11 + ] + +bb11: ; preds = %entry + ret i8* null + +cond_true: ; preds = %entry + ret i8* null + +bb74: ; preds = %entry + ret i8* null + +bb158: ; preds = %entry + ret i8* null +} + |