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| author | Ben Gamari <ben@smart-cactus.org> | 2022-06-14 20:53:42 -0400 |
|---|---|---|
| committer | Zubin Duggal <zubin.duggal@gmail.com> | 2022-07-14 14:39:37 +0530 |
| commit | bb7b2e6f876806e65ec07d1d8638dde54c34ded4 (patch) | |
| tree | 384b71dc4a7056c97e7f1094da40024d269a876a | |
| parent | 2c1a5ae85966e1e87c33c7c62ab876c9287ca4d6 (diff) | |
| download | haskell-bb7b2e6f876806e65ec07d1d8638dde54c34ded4.tar.gz | |
testsuite: Add test for #21624
Ensuring that mulIntMayOflo# behaves as expected.
(cherry picked from commit 26745006bdecc2d269fd8252b189650d6bd7ac10)
| -rw-r--r-- | testsuite/tests/primops/should_run/T21624.hs | 11 | ||||
| -rw-r--r-- | testsuite/tests/primops/should_run/T21624.stdout | 1 | ||||
| -rw-r--r-- | testsuite/tests/primops/should_run/all.T | 2 |
3 files changed, 14 insertions, 0 deletions
diff --git a/testsuite/tests/primops/should_run/T21624.hs b/testsuite/tests/primops/should_run/T21624.hs new file mode 100644 index 0000000000..4b08fbd732 --- /dev/null +++ b/testsuite/tests/primops/should_run/T21624.hs @@ -0,0 +1,11 @@ +{-# LANGUAGE MagicHash #-} + +import GHC.Int +import GHC.Prim + +mulIntMayOflo :: Int -> Int -> Bool +mulIntMayOflo (I# x) (I# y) = I# (mulIntMayOflo# x y) /= 0 + +main :: IO () +main = print (mulIntMayOflo maxBound 0x4) + diff --git a/testsuite/tests/primops/should_run/T21624.stdout b/testsuite/tests/primops/should_run/T21624.stdout new file mode 100644 index 0000000000..0ca95142bb --- /dev/null +++ b/testsuite/tests/primops/should_run/T21624.stdout @@ -0,0 +1 @@ +True diff --git a/testsuite/tests/primops/should_run/all.T b/testsuite/tests/primops/should_run/all.T index dbb82fd11e..5d7f19d6d8 100644 --- a/testsuite/tests/primops/should_run/all.T +++ b/testsuite/tests/primops/should_run/all.T @@ -36,3 +36,5 @@ test('ShrinkSmallMutableArrayA', normal, compile_and_run, ['']) test('ShrinkSmallMutableArrayB', normal, compile_and_run, ['']) test('T14664', normal, compile_and_run, ['']) test('CStringLength', normal, compile_and_run, ['-O2']) + +test('T21624', normal, compile_and_run, ['']) |