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Diffstat (limited to 'test/Transforms/IndVarSimplify/subtract.ll')
-rw-r--r-- | test/Transforms/IndVarSimplify/subtract.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/Transforms/IndVarSimplify/subtract.ll b/test/Transforms/IndVarSimplify/subtract.ll new file mode 100644 index 0000000..51065cc --- /dev/null +++ b/test/Transforms/IndVarSimplify/subtract.ll @@ -0,0 +1,15 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep indvar + +@G = global i64 0 ; <i64*> [#uses=1] + +define void @test(i64 %V) { +; <label>:0 + br label %Loop + +Loop: ; preds = %Loop, %0 + %X = phi i64 [ 1, %0 ], [ %X.next, %Loop ] ; <i64> [#uses=2] + %X.next = sub i64 %X, %V ; <i64> [#uses=1] + store i64 %X, i64* @G + br label %Loop +} + |