From ef7d1a20208b56469d88a4378805e9b01520d882 Mon Sep 17 00:00:00 2001
From: Evgeniy Stepanov <eugeni.stepanov@gmail.com>
Date: Fri, 29 Apr 2016 01:20:05 +0000
Subject: [msan] Tests for vector compare intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@267967 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/msan/tests/msan_test.cc | 43 ++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 42 insertions(+), 1 deletion(-)

(limited to 'lib/msan/tests/msan_test.cc')

diff --git a/lib/msan/tests/msan_test.cc b/lib/msan/tests/msan_test.cc
index 7ba43662f..90900b2c8 100644
--- a/lib/msan/tests/msan_test.cc
+++ b/lib/msan/tests/msan_test.cc
@@ -3955,7 +3955,48 @@ TEST(VectorMaddTest, mmx_pmadd_wd) {
 
   EXPECT_EQ((unsigned)(2 * 102 + 3 * 103), c[1]);
 }
-#endif  // defined(__clang__)
+
+TEST(VectorCmpTest, mm_cmpneq_ps) {
+  V4x32 c;
+  c = _mm_cmpneq_ps(V4x32{Poisoned<U4>(), 1, 2, 3}, V4x32{4, 5, Poisoned<U4>(), 6});
+  EXPECT_POISONED(c[0]);
+  EXPECT_NOT_POISONED(c[1]);
+  EXPECT_POISONED(c[2]);
+  EXPECT_NOT_POISONED(c[3]);
+
+  c = _mm_cmpneq_ps(V4x32{0, 1, 2, 3}, V4x32{4, 5, 6, 7});
+  EXPECT_NOT_POISONED(c);
+}
+
+TEST(VectorCmpTest, mm_cmpneq_sd) {
+  V2x64 c;
+  c = _mm_cmpneq_sd(V2x64{Poisoned<U8>(), 1}, V2x64{2, 3});
+  EXPECT_POISONED(c[0]);
+  c = _mm_cmpneq_sd(V2x64{1, 2}, V2x64{Poisoned<U8>(), 3});
+  EXPECT_POISONED(c[0]);
+  c = _mm_cmpneq_sd(V2x64{1, 2}, V2x64{3, 4});
+  EXPECT_NOT_POISONED(c[0]);
+  c = _mm_cmpneq_sd(V2x64{1, Poisoned<U8>()}, V2x64{2, Poisoned<U8>()});
+  EXPECT_NOT_POISONED(c[0]);
+  c = _mm_cmpneq_sd(V2x64{1, Poisoned<U8>()}, V2x64{1, Poisoned<U8>()});
+  EXPECT_NOT_POISONED(c[0]);
+}
+
+TEST(VectorCmpTest, builtin_ia32_ucomisdlt) {
+  U4 c;
+  c = __builtin_ia32_ucomisdlt(V2x64{Poisoned<U8>(), 1}, V2x64{2, 3});
+  EXPECT_POISONED(c);
+  c = __builtin_ia32_ucomisdlt(V2x64{1, 2}, V2x64{Poisoned<U8>(), 3});
+  EXPECT_POISONED(c);
+  c = __builtin_ia32_ucomisdlt(V2x64{1, 2}, V2x64{3, 4});
+  EXPECT_NOT_POISONED(c);
+  c = __builtin_ia32_ucomisdlt(V2x64{1, Poisoned<U8>()}, V2x64{2, Poisoned<U8>()});
+  EXPECT_NOT_POISONED(c);
+  c = __builtin_ia32_ucomisdlt(V2x64{1, Poisoned<U8>()}, V2x64{1, Poisoned<U8>()});
+  EXPECT_NOT_POISONED(c);
+}
+
+#endif // defined(__x86_64__) && defined(__clang__)
 
 TEST(MemorySanitizerOrigins, SetGet) {
   EXPECT_EQ(TrackingOrigins(), !!__msan_get_track_origins());
-- 
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