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| 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 | 9eb6b4d91b83448ec818089754c74bbdcf7dfd7a (patch) | |
| tree | bc23b23e593554a3b01ef19bded7a7f71ff22db6 /unittests/ADT | |
| parent | d2fdb4a28560688be5cbc5b2b0c305ec7207cbd0 (diff) | |
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141441 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests/ADT')
| -rw-r--r-- | unittests/ADT/APIntTest.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/unittests/ADT/APIntTest.cpp b/unittests/ADT/APIntTest.cpp index 11bb5e1545..490811deb8 100644 --- a/unittests/ADT/APIntTest.cpp +++ b/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)); +} + } |