Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/Transforms/InstCombine/apint-div2.ll

@@ -0,0 +1,22 @@
+; This test makes sure that div instructions are properly eliminated.
+; This test is for Integer BitWidth >= 64 && BitWidth <= 1024.
+;
+; RUN: opt < %s -instcombine -S | not grep div
+
+
+define i333 @test1(i333 %X) {
+    %Y = udiv i333 %X, 70368744177664
+    ret i333 %Y
+}
+
+define i499 @test2(i499 %X) {
+    %tmp.0 = shl i499 4096, 197
+    %Y = udiv i499 %X, %tmp.0
+    ret i499 %Y
+}
+
+define i599 @test3(i599 %X, i1 %C) {
+        %V = select i1 %C, i599 70368744177664, i599 4096
+        %R = udiv i599 %X, %V
+        ret i599 %R
+}