Page MenuHomePhabricator

[GISel] Add new combines for G_FMUL with constant operands
Needs ReviewPublic

Authored by mkitzan on May 19 2022, 12:20 PM.

Details

Summary

Patch adds new GICombineRules for G_FMUL:

G_FMUL(G_FMUL(x, c0), c1) -> G_FMUL(x, c0 * c1) (unsafe fp math only)
G_FMUL(G_FADD(x, x), c) -> G_FMUL(x, c * 2.0) (unsafe fp math only)

Patch additionally adds new combine tests for AArch64 target for these new rules.
(Split off from https://reviews.llvm.org/D87870)

Diff Detail

Unit TestsFailed

TimeTest
60,100 msx64 debian > AddressSanitizer-x86_64-linux.TestCases::scariness_score_test.cpp
Script: -- : 'RUN: at line 4'; /var/lib/buildkite-agent/builds/llvm-project/build/./bin/clang --driver-mode=g++ -fsanitize=address -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -gline-tables-only -m64 -O0 /var/lib/buildkite-agent/builds/llvm-project/compiler-rt/test/asan/TestCases/scariness_score_test.cpp -o /var/lib/buildkite-agent/builds/llvm-project/build/projects/compiler-rt/test/asan/X86_64LinuxConfig/TestCases/Output/scariness_score_test.cpp.tmp
60,030 msx64 debian > libFuzzer.libFuzzer::fuzzer-leak.test
Script: -- : 'RUN: at line 3'; /var/lib/buildkite-agent/builds/llvm-project/build/./bin/clang --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/var/lib/buildkite-agent/builds/llvm-project/compiler-rt/lib/fuzzer -m64 /var/lib/buildkite-agent/builds/llvm-project/compiler-rt/test/fuzzer/LeakTest.cpp -o /var/lib/buildkite-agent/builds/llvm-project/build/projects/compiler-rt/test/fuzzer/X86_64DefaultLinuxConfig/Output/fuzzer-leak.test.tmp-LeakTest
60,030 msx64 debian > libFuzzer.libFuzzer::minimize_crash.test
Script: -- : 'RUN: at line 1'; /var/lib/buildkite-agent/builds/llvm-project/build/./bin/clang --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/var/lib/buildkite-agent/builds/llvm-project/compiler-rt/lib/fuzzer -m64 /var/lib/buildkite-agent/builds/llvm-project/compiler-rt/test/fuzzer/NullDerefTest.cpp -o /var/lib/buildkite-agent/builds/llvm-project/build/projects/compiler-rt/test/fuzzer/X86_64DefaultLinuxConfig/Output/minimize_crash.test.tmp-NullDerefTest
60,030 msx64 debian > libFuzzer.libFuzzer::out-of-process-fuzz.test
Script: -- : 'RUN: at line 2'; rm -rf /var/lib/buildkite-agent/builds/llvm-project/build/projects/compiler-rt/test/fuzzer/X86_64DefaultLinuxConfig/Output/out-of-process-fuzz.test.tmp && mkdir /var/lib/buildkite-agent/builds/llvm-project/build/projects/compiler-rt/test/fuzzer/X86_64DefaultLinuxConfig/Output/out-of-process-fuzz.test.tmp
60,030 msx64 debian > libFuzzer.libFuzzer::value-profile-load.test
Script: -- : 'RUN: at line 2'; /var/lib/buildkite-agent/builds/llvm-project/build/./bin/clang --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/var/lib/buildkite-agent/builds/llvm-project/compiler-rt/lib/fuzzer -m64 /var/lib/buildkite-agent/builds/llvm-project/compiler-rt/test/fuzzer/LoadTest.cpp -fsanitize-coverage=trace-gep -o /var/lib/buildkite-agent/builds/llvm-project/build/projects/compiler-rt/test/fuzzer/X86_64DefaultLinuxConfig/Output/value-profile-load.test.tmp-LoadTest