diff options
Diffstat (limited to 'llvm/unittests/ADT/APIntTest.cpp')
| -rw-r--r-- | llvm/unittests/ADT/APIntTest.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/unittests/ADT/APIntTest.cpp b/llvm/unittests/ADT/APIntTest.cpp index f45a4e6b52c..5130b9420d6 100644 --- a/llvm/unittests/ADT/APIntTest.cpp +++ b/llvm/unittests/ADT/APIntTest.cpp @@ -1215,6 +1215,23 @@ TEST(APIntTest, SaturatingMath) { EXPECT_EQ(APInt(8, -128), APInt(8, 25).smul_sat(APInt(8, -6))); EXPECT_EQ(APInt(8, 127), APInt(8, -25).smul_sat(APInt(8, -6))); EXPECT_EQ(APInt(8, 127), APInt(8, 25).smul_sat(APInt(8, 6))); + + EXPECT_EQ(APInt(8, 128), APInt(8, 4).ushl_sat(APInt(8, 5))); + EXPECT_EQ(APInt(8, 255), APInt(8, 4).ushl_sat(APInt(8, 6))); + EXPECT_EQ(APInt(8, 128), APInt(8, 1).ushl_sat(APInt(8, 7))); + EXPECT_EQ(APInt(8, 255), APInt(8, 1).ushl_sat(APInt(8, 8))); + EXPECT_EQ(APInt(8, 255), APInt(8, -128).ushl_sat(APInt(8, 2))); + EXPECT_EQ(APInt(8, 255), APInt(8, 64).ushl_sat(APInt(8, 2))); + EXPECT_EQ(APInt(8, 255), APInt(8, 64).ushl_sat(APInt(8, -2))); + + EXPECT_EQ(APInt(8, 64), APInt(8, 4).sshl_sat(APInt(8, 4))); + EXPECT_EQ(APInt(8, 127), APInt(8, 4).sshl_sat(APInt(8, 5))); + EXPECT_EQ(APInt(8, 127), APInt(8, 1).sshl_sat(APInt(8, 8))); + EXPECT_EQ(APInt(8, -64), APInt(8, -4).sshl_sat(APInt(8, 4))); + EXPECT_EQ(APInt(8, -128), APInt(8, -4).sshl_sat(APInt(8, 5))); + EXPECT_EQ(APInt(8, -128), APInt(8, -4).sshl_sat(APInt(8, 6))); + EXPECT_EQ(APInt(8, -128), APInt(8, -1).sshl_sat(APInt(8, 7))); + EXPECT_EQ(APInt(8, -128), APInt(8, -1).sshl_sat(APInt(8, 8))); } TEST(APIntTest, FromArray) { |
