[compiler-rt] r210020 - [msan] Handle x86 vector pack intrinsics.

[Evgeniy Stepanov]

Author: eugenis
Date: Mon Jun  2 07:31:44 2014
New Revision: 210020

URL: http://llvm.org/viewvc/llvm-project?rev=210020&view=rev
Log:
[msan] Handle x86 vector pack intrinsics.

Modified:
    compiler-rt/trunk/lib/msan/tests/msan_test.cc

Modified: compiler-rt/trunk/lib/msan/tests/msan_test.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/msan/tests/msan_test.cc?rev=210020&r1=210019&r2=210020&view=diff
==============================================================================
--- compiler-rt/trunk/lib/msan/tests/msan_test.cc (original)
+++ compiler-rt/trunk/lib/msan/tests/msan_test.cc Mon Jun  2 07:31:44 2014
@@ -3612,6 +3612,27 @@ TEST(VectorShiftTest, avx2_left) {
 #endif // __AVX2__
 } // namespace
 
+TEST(VectorPackTest, sse2_packssdw_128) {
+  const unsigned S2_max = (1 << 15) - 1;
+  V4x32 a = {*GetPoisoned<U4>() & 0xFF0000U, *GetPoisoned<U4>() & 0xFFFF0000,
+             S2_max + 100, 4};
+  V4x32 b = {*GetPoisoned<U4>() & 0xFF, S2_max + 10000,
+             *GetPoisoned<U4>() & 0xFF00, S2_max};
+  V8x16 c = _mm_packs_epi32(a, b);
+  EXPECT_POISONED(c[0]);
+  EXPECT_POISONED(c[1]);
+  EXPECT_NOT_POISONED(c[2]);
+  EXPECT_NOT_POISONED(c[3]);
+  EXPECT_POISONED(c[4]);
+  EXPECT_NOT_POISONED(c[5]);
+  EXPECT_POISONED(c[6]);
+  EXPECT_NOT_POISONED(c[7]);
+
+  EXPECT_EQ(c[2], S2_max);
+  EXPECT_EQ(c[3], 4);
+  EXPECT_EQ(c[5], S2_max);
+  EXPECT_EQ(c[7], S2_max);
+}
 
 TEST(MemorySanitizerDr, StoreInDSOTest) {
   if (!__msan_has_dynamic_component()) return;