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-rw-r--r--test/Transforms/Reassociate/2005-09-01-ArrayOutOfBounds.ll23
1 files changed, 23 insertions, 0 deletions
diff --git a/test/Transforms/Reassociate/2005-09-01-ArrayOutOfBounds.ll b/test/Transforms/Reassociate/2005-09-01-ArrayOutOfBounds.ll
new file mode 100644
index 0000000..33e44d4
--- /dev/null
+++ b/test/Transforms/Reassociate/2005-09-01-ArrayOutOfBounds.ll
@@ -0,0 +1,23 @@
+; RUN: opt < %s -reassociate -instcombine -S |\
+; RUN: grep {ret i32 0}
+
+define i32 @f(i32 %a0, i32 %a1, i32 %a2, i32 %a3, i32 %a4) {
+ %tmp.2 = add i32 %a4, %a3 ; <i32> [#uses=1]
+ %tmp.4 = add i32 %tmp.2, %a2 ; <i32> [#uses=1]
+ %tmp.6 = add i32 %tmp.4, %a1 ; <i32> [#uses=1]
+ %tmp.8 = add i32 %tmp.6, %a0 ; <i32> [#uses=1]
+ %tmp.11 = add i32 %a3, %a2 ; <i32> [#uses=1]
+ %tmp.13 = add i32 %tmp.11, %a1 ; <i32> [#uses=1]
+ %tmp.15 = add i32 %tmp.13, %a0 ; <i32> [#uses=1]
+ %tmp.18 = add i32 %a2, %a1 ; <i32> [#uses=1]
+ %tmp.20 = add i32 %tmp.18, %a0 ; <i32> [#uses=1]
+ %tmp.23 = add i32 %a1, %a0 ; <i32> [#uses=1]
+ %tmp.26 = sub i32 %tmp.8, %tmp.15 ; <i32> [#uses=1]
+ %tmp.28 = add i32 %tmp.26, %tmp.20 ; <i32> [#uses=1]
+ %tmp.30 = sub i32 %tmp.28, %tmp.23 ; <i32> [#uses=1]
+ %tmp.32 = sub i32 %tmp.30, %a4 ; <i32> [#uses=1]
+ %tmp.34 = sub i32 %tmp.32, %a2 ; <i32> [#uses=2]
+ %T = mul i32 %tmp.34, %tmp.34 ; <i32> [#uses=1]
+ ret i32 %T
+}
+