1 files changed, 24 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/apint-div1.ll b/llvm/test/Transforms/InstCombine/apint-div1.ll
new file mode 100644
index 00000000000..b11b8bc24fb
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/apint-div1.ll
@@ -0,0 +1,24 @@
+; This test makes sure that div instructions are properly eliminated.
+; This test is for Integer BitWidth < 64 && BitWidth % 2 != 0.
+;
+
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep div
+
+implementation
+
+define i33 @test1(i33 %X) {
+    %Y = udiv i33 %X, 4096
+    ret i33 %Y
+}
+
+define i49 @test2(i49 %X) {
+    %tmp.0 = shl i49 4096, 17
+    %Y = udiv i49 %X, %tmp.0
+    ret i49 %Y
+}
+
+define i59 @test3(i59 %X, bool %C) {
+        %V = select bool %C, i59 1024, i59 4096
+        %R = udiv i59 %X, %V
+        ret i59 %R
+}