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9 Commits

Author SHA1 Message Date
Dávid Bolvanský
26599cbe3f Revert "[BPI] Improve static heuristics for integer comparisons"
This reverts commit 50c743fa713002fe4e0c76d23043e6c1f9e9fe6f. Patch will be split to smaller ones.
2020-08-17 20:44:33 +02:00
Dávid Bolvanský
7129f2d26c [BPI] Improve static heuristics for integer comparisons
Similarly as for pointers, even for integers a == b is usually false.

GCC also uses this heuristic.

Reviewed By: ebrevnov

Differential Revision: https://reviews.llvm.org/D85781
2020-08-13 19:54:27 +02:00
Dávid Bolvanský
baa55bd4d6 Revert "[BPI] Improve static heuristics for integer comparisons"
This reverts commit 44587e2f7e732604cd6340061d40ac21e7e188e5. Sanitizer tests need to be updated.
2020-08-13 14:37:40 +02:00
Dávid Bolvanský
f4c1a714d0 [BPI] Improve static heuristics for integer comparisons
Similarly as for pointers, even for integers a == b is usually false.

GCC also uses this heuristic.

Reviewed By: ebrevnov

Differential Revision: https://reviews.llvm.org/D85781
2020-08-13 14:23:58 +02:00
Dávid Bolvanský
aecc53e597 Revert "[BPI] Improve static heuristics for integer comparisons"
This reverts commit 385c9d673f217e176b18e7bf6fe055154ac589c6.
2020-08-13 12:59:15 +02:00
Dávid Bolvanský
b38379d5d6 [BPI] Improve static heuristics for integer comparisons
Similarly as for pointers, even for integers a == b is usually false.

GCC also uses this heuristic.

Reviewed By: ebrevnov

Differential Revision: https://reviews.llvm.org/D85781
2020-08-13 12:45:40 +02:00
Diana Picus
5efe040582 [AArch64] Register passes so they can be run by llc
Initialize all AArch64-specific passes in the TargetMachine so they can be run
by llc. This can lead to conflicts in opt with some command line options that
share the same name as the pass, so I took this opportunity to do some cleanups:
* rename all relevant command line options from "aarch64-blah" to
  "aarch64-enable-blah" and update the tests accordingly
* run clang-format on their declarations
* move all these declarations to a common place (the TargetMachine) as opposed
  to having them scattered around (AArch64BranchRelaxation and
  AArch64AddressTypePromotion were the only offenders)

llvm-svn: 277322
2016-08-01 05:56:57 +00:00
Mehdi Amini
32875af6e3 Change the fast-isel-abort option from bool to int to enable "levels"
Summary:
Currently fast-isel-abort will only abort for regular instructions,
and just warn for function calls, terminators, function arguments.
There is already fast-isel-abort-args but nothing for calls and
terminators.

This change turns the fast-isel-abort options into an integer option,
so that multiple levels of strictness can be defined.
This will help no being surprised when the "abort" option indeed does
not abort, and enables the possibility to write test that verifies
that no intrinsics are forgotten by fast-isel.

Reviewers: resistor, echristo

Subscribers: jfb, llvm-commits

Differential Revision: http://reviews.llvm.org/D7941

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 230775
2015-02-27 18:32:11 +00:00
Juergen Ributzka
06b1780a0b [FastISel][AArch64] Improve branch selection to support all FP conditions.
This adds the last two missing floating-point condition codes (FCMP_UEQ and
FCMP_ONE) also to the branch selection. In these two cases an additonal branch
instruction is required.

This also adds unit tests to checks all the different condition codes.

This is related o rdar://problem/18358882.

llvm-svn: 217966
2014-09-17 17:46:47 +00:00