AVX-512: added UNPACK instructions and tests for all-zero/all-ones vectors
llvm-svn: 189189
diff --git a/llvm/test/CodeGen/X86/avx512-build-vector.ll b/llvm/test/CodeGen/X86/avx512-build-vector.ll
new file mode 100644
index 0000000..bc4560b
--- /dev/null
+++ b/llvm/test/CodeGen/X86/avx512-build-vector.ll
@@ -0,0 +1,18 @@
+; RUN: llc < %s -march=x86-64 -mtriple=x86_64-apple-darwin -mcpu=knl | FileCheck %s
+
+; CHECK-LABEL: test1
+; CHECK: vpxord
+; CHECK: ret
+define <16 x i32> @test1(i32* %x) {
+ %y = load i32* %x, align 4
+ %res = insertelement <16 x i32>zeroinitializer, i32 %y, i32 4
+ ret <16 x i32>%res
+}
+
+; CHECK-LABEL: test2
+; CHECK: vpaddd LCP{{.*}}(%rip){1to16}
+; CHECK: ret
+define <16 x i32> @test2(<16 x i32> %x) {
+ %res = add <16 x i32><i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1>, %x
+ ret <16 x i32>%res
+}
\ No newline at end of file