diff options
| author | Eli Friedman <eli.friedman@gmail.com> | 2011-10-07 23:40:49 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-10-07 23:40:49 +0000 |
| commit | 195464184e840965febb8eb55316c32995d37c8f (patch) | |
| tree | ea4e0eea65ee434fe34155c18d40bdb6ea8ec567 /llvm/unittests/ADT/APIntTest.cpp | |
| parent | 133a16871f4c71d833d9dd354052846dd90d3390 (diff) | |
| download | llvm-195464184e840965febb8eb55316c32995d37c8f.zip llvm-195464184e840965febb8eb55316c32995d37c8f.tar.gz llvm-195464184e840965febb8eb55316c32995d37c8f.tar.bz2 | |
Fix APInt::operator*= so that it computes the correct result for large integers where there is unsigned overflow. Fix APFloat::toString so that it doesn't depend on the incorrect behavior in common cases (and computes the correct result in some rare cases). Fixes PR11086.
llvm-svn: 141441
Diffstat (limited to 'llvm/unittests/ADT/APIntTest.cpp')
| -rw-r--r-- | llvm/unittests/ADT/APIntTest.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/unittests/ADT/APIntTest.cpp b/llvm/unittests/ADT/APIntTest.cpp index 11bb5e1..490811d 100644 --- a/llvm/unittests/ADT/APIntTest.cpp +++ b/llvm/unittests/ADT/APIntTest.cpp @@ -441,4 +441,13 @@ TEST(APIntTest, StringDeath) { #endif #endif +TEST(APIntTest, mul_clear) { + APInt ValA(65, -1ULL); + APInt ValB(65, 4); + APInt ValC(65, 0); + ValC = ValA * ValB; + ValA *= ValB; + EXPECT_EQ(ValA.toString(10, false), ValC.toString(10, false)); +} + } |