This should have been part of r224676.

[oota-llvm.git] / test / Transforms / InstCombine / div.ll

diff --git a/test/Transforms/InstCombine/div.ll b/test/Transforms/InstCombine/div.ll
index 585b04a4d5dc6c3aff508269a0781d5aeb0afa66..e0ff07baae7cc3635889b9c183785070c62ee8e6 100644 (file)
--- a/test/Transforms/InstCombine/div.ll
+++ b/test/Transforms/InstCombine/div.ll
@@ -295,3 +295,33 @@ define <2 x i64> @test33(<2 x i64> %x) nounwind {
 ; CHECK-NEXT: udiv exact <2 x i64> %x, <i64 192, i64 192>
 ; CHECK-NEXT: ret <2 x i64>
 }
+
+define <2 x i64> @test34(<2 x i64> %x) nounwind {
+  %neg = sub nsw <2 x i64> zeroinitializer, %x
+  %div = sdiv exact <2 x i64> %neg, <i64 3, i64 4>
+  ret <2 x i64> %div
+; CHECK-LABEL: @test34(
+; CHECK-NEXT: sdiv exact <2 x i64> %x, <i64 -3, i64 -4>
+; CHECK-NEXT: ret <2 x i64>
+}
+
+define i32 @test35(i32 %A) {
+  %and = and i32 %A, 2147483647
+  %mul = sdiv exact i32 %and, 2147483647
+  ret i32 %mul
+; CHECK-LABEL: @test35(
+; CHECK-NEXT: %[[and:.*]]  = and i32 %A, 2147483647
+; CHECK-NEXT: %[[udiv:.*]] = udiv exact i32 %[[and]], 2147483647
+; CHECK-NEXT: ret i32 %[[udiv]]
+}
+
+define i32 @test36(i32 %A) {
+  %and = and i32 %A, 2147483647
+  %shl = shl nsw i32 1, %A
+  %mul = sdiv exact i32 %and, %shl
+  ret i32 %mul
+; CHECK-LABEL: @test36(
+; CHECK-NEXT: %[[and:.*]] = and i32 %A, 2147483647
+; CHECK-NEXT: %[[shr:.*]] = lshr exact i32 %[[and]], %A
+; CHECK-NEXT: ret i32 %[[shr]]
+}