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| author | Nicholas Guy <nicholas.guy@arm.com> | 2021-12-01 10:51:31 +0000 |
|---|---|---|
| committer | Nicholas Guy <nicholas.guy@arm.com> | 2022-01-05 12:54:30 +0000 |
| commit | 73d92faa2fc00bff240a22a51974771cd03ed86a (patch) | |
| tree | 656719ab326e588d91b98824e1dded33d3013942 /llvm/lib/CodeGen/TargetLoweringBase.cpp | |
| parent | 5109737c924d68323b1982949a3e28ef26bc289e (diff) | |
| download | llvm-73d92faa2fc00bff240a22a51974771cd03ed86a.zip llvm-73d92faa2fc00bff240a22a51974771cd03ed86a.tar.gz llvm-73d92faa2fc00bff240a22a51974771cd03ed86a.tar.bz2 | |
[CodeGen] Emit alignment "Max Skip" operand
The current AsmPrinter has support to emit the "Max Skip" operand
(the 3rd of .p2align), however has no support for it to actually be specified.
Adding MaxBytesForAlignment to MachineBasicBlock provides this capability on a
per-block basis. Leaving the value as default (0) causes no observable differences
in behaviour.
Differential Revision: https://reviews.llvm.org/D114590
Diffstat (limited to 'llvm/lib/CodeGen/TargetLoweringBase.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/TargetLoweringBase.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp index 6fc6881..f4cfe4f 100644 --- a/llvm/lib/CodeGen/TargetLoweringBase.cpp +++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp @@ -2040,6 +2040,11 @@ Align TargetLoweringBase::getPrefLoopAlignment(MachineLoop *ML) const { return PrefLoopAlignment; } +unsigned TargetLoweringBase::getMaxPermittedBytesForAlignment( + MachineBasicBlock *MBB) const { + return MaxBytesForAlignment; +} + //===----------------------------------------------------------------------===// // Reciprocal Estimates //===----------------------------------------------------------------------===// |