[InstCombine] Add new rule for MIN(MAX(~A, ~B), ~C) et. al.

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

diff --git a/test/Transforms/InstCombine/zext.ll b/test/Transforms/InstCombine/zext.ll
index 10eabf7aed46a63bfc8f8cc21baa3162d212b8c1..b62c626c95c0bdf5b445885e7dd9a9dae2d1e2df 100644 (file)
--- a/test/Transforms/InstCombine/zext.ll
+++ b/test/Transforms/InstCombine/zext.ll
@@ -5,7 +5,41 @@ define i64 @test_sext_zext(i16 %A) {
         %c1 = zext i16 %A to i32                ; <i32> [#uses=1]
         %c2 = sext i32 %c1 to i64               ; <i64> [#uses=1]
         ret i64 %c2
+
+; CHECK-LABEL: @test_sext_zext
 ; CHECK-NOT: %c1
 ; CHECK: %c2 = zext i16 %A to i64
 ; CHECK: ret i64 %c2
 }
+
+define <2 x i64> @test2(<2 x i1> %A) {
+  %xor = xor <2 x i1> %A, <i1 true, i1 true>
+  %zext = zext <2 x i1> %xor to <2 x i64>
+  ret <2 x i64> %zext
+
+; CHECK-LABEL: @test2
+; CHECK-NEXT: zext <2 x i1> %A to <2 x i64>
+; CHECK-NEXT: xor <2 x i64> %1, <i64 1, i64 1>
+}
+
+define <2 x i64> @test3(<2 x i64> %A) {
+  %trunc = trunc <2 x i64> %A to <2 x i32>
+  %and = and <2 x i32> %trunc, <i32 23, i32 42>
+  %zext = zext <2 x i32> %and to <2 x i64>
+  ret <2 x i64> %zext
+
+; CHECK-LABEL: @test3
+; CHECK-NEXT: and <2 x i64> %A, <i64 23, i64 42>
+}
+
+define <2 x i64> @test4(<2 x i64> %A) {
+  %trunc = trunc <2 x i64> %A to <2 x i32>
+  %and = and <2 x i32> %trunc, <i32 23, i32 42>
+  %xor = xor <2 x i32> %and, <i32 23, i32 42>
+  %zext = zext <2 x i32> %xor to <2 x i64>
+  ret <2 x i64> %zext
+
+; CHECK-LABEL: @test4
+; CHECK-NEXT: xor <2 x i64> %A, <i64 4294967295, i64 4294967295>
+; CHECK-NEXT: and <2 x i64> %1, <i64 23, i64 42>
+}