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authorKostis Sagonas <[email protected]>2016-02-29 20:23:05 +0100
committerKostis Sagonas <[email protected]>2016-02-29 20:23:05 +0100
commitc3af7910226cabddcdfa1561b56127e71e3a2ee9 (patch)
treeac39fad211f8882d2169cf663e30fbdb0a31800a /lib/hipe/test
parent97ff595e4e0303f597e671b17045940ba8da0330 (diff)
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A test that crashes the HiPE compiler when inlining FP ops
Diffstat (limited to 'lib/hipe/test')
-rw-r--r--lib/hipe/test/basic_SUITE_data/basic_floats.erl30
1 files changed, 30 insertions, 0 deletions
diff --git a/lib/hipe/test/basic_SUITE_data/basic_floats.erl b/lib/hipe/test/basic_SUITE_data/basic_floats.erl
index eec175075a..32bbb6c7fc 100644
--- a/lib/hipe/test/basic_SUITE_data/basic_floats.erl
+++ b/lib/hipe/test/basic_SUITE_data/basic_floats.erl
@@ -18,6 +18,7 @@ test() ->
ok = test_catch_fp_conv(),
ok = test_fp_with_fp_exceptions(),
%% ok = test_fmt_double_fpe_leak(), % this requires printing
+ ok = test_icode_type_crash(),
ok.
%%--------------------------------------------------------------------
@@ -178,3 +179,32 @@ test_fmt_double_fpe_leak(X, Y) ->
math:log10(Y).
int_two() -> 2.
+
+%%--------------------------------------------------------------------
+%% Contains code which confuses the icode_type analysis and results
+%% in a compiler crash. Stipped down from code sent by Paul Guyot.
+%% Compiles alright with the option 'no_icode_type' but that defeats
+%% the purpose of the test.
+
+test_icode_type_crash() ->
+ Fun = f(1, 2, 3),
+ 42.0 = Fun(),
+ ok.
+
+f(A, B, C) ->
+ fun () ->
+ X = case A of
+ 0 -> 1 / B;
+ _ -> A / C
+ end,
+ Y = case B of
+ a -> 1.0;
+ b -> 2.0;
+ _ -> 6.0
+ end,
+ Z = case C of
+ c -> 0.1 * X;
+ _ -> 7.0
+ end,
+ Y * Z
+ end.