enable_unary_reductions(graph) in -Jred cause runtime errors of 18 llvm-test-suite tests #304

sjalander · 2023-12-05T15:55:34Z

Recreate
Modify jlm/llvm/opt/reduction.cpp (line 134)

static void
reduce(RvsdgModule & rm, util::StatisticsCollector & statisticsCollector)
{

and disable all optimizations except the load_reduction, i.e.,
// enable_mux_reductions(graph);
// enable_store_reductions(graph);
// enable_load_reductions(graph);
// enable_gamma_reductions(graph);
enable_unary_reductions(graph);
// enable_binary_reductions(graph);

Compile the file separately to avoid having to comment out unused functions:
/usr/lib/llvm-16/bin/clang++ -c --std=c++17 -gdwarf-4 -g -DJLM_DEBUG -DJLM_ENABLE_ASSERTS -I. -I/usr/lib/llvm-16/include -I. -I/usr/lib/llvm-16/include -o build/jlm/llvm/opt/reduction.la jlm/llvm/opt/reduction.cpp

Then compile jlm with debug:
make jlm-debug -j nproc

Then run the llvm-test-suite
make llvm-run-red

Output
Failed Tests (18):
test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-20001009-1.test
test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-20020614-1.test
test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-920908-2.test
test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-921016-1.test
test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-arith-rand-ll.test
test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-arith-rand.test
test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-bf-sign-1.test
test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-bitfld-1.test
test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-pr16790-1.test
test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-pr48973-1.test
test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-pr48973-2.test
test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-pr49123.test
test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-pr55750.test
test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-pr58726.test
test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-pr61306-2.test
test-suite :: SingleSource/Regression/C/gcc-c-torture/execute/GCC-C-execute-struct-ini-2.test
test-suite :: SingleSource/UnitTests/2005-05-13-SDivTwo.test
test-suite :: SingleSource/UnitTests/2006-01-23-UnionInit.test

phate added the bug label Dec 12, 2023

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enable_unary_reductions(graph) in -Jred cause runtime errors of 18 llvm-test-suite tests #304

enable_unary_reductions(graph) in -Jred cause runtime errors of 18 llvm-test-suite tests #304

enable_unary_reductions(graph) in -Jred cause runtime errors of 18 llvm-test-suite tests #304

enable_unary_reductions(graph) in -Jred cause runtime errors of 18 llvm-test-suite tests #304

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