Commit Graph

6 Commits

Author SHA1 Message Date
Tres Popp eb9f7c28e5 Revert "OpaquePtr: Add type to sret attribute"
This reverts commit 55c4ff91bd.

Issues were introduced as discussed in https://reviews.llvm.org/D88241
where this change made previous bugs in the linker and BitCodeWriter
visible.
2020-09-29 10:31:04 +02:00
Matt Arsenault 55c4ff91bd OpaquePtr: Add type to sret attribute
Make the corresponding change that was made for byval in
b7141207a4. Like byval, this requires a
bulk update of the test IR tests to include the type before this can
be mandatory.
2020-09-25 14:07:30 -04:00
Erik Pilkington de98cf92e3 [CodeGen] Add an alignment attribute to all sret parameters
This fixes a miscompile when the parameter is actually underaligned.
rdar://58316406

Differential revision: https://reviews.llvm.org/D74183
2020-03-24 15:31:57 -04:00
Tim Northover c46827c7ed LLVM IR: Generate new-style byval-with-Type from Clang
LLVM IR recently added a Type parameter to the byval Attribute, so that
when pointers become opaque and no longer have an element type the
information will still be present in IR.

For now the Type parameter is optional (which is why Clang didn't need
this change at the time), but it will become mandatory soon.

llvm-svn: 362652
2019-06-05 21:12:14 +00:00
Pirama Arumuga Nainar bb846a32e4 Adjust coercion of aggregates on RenderScript
Summary:
In RenderScript, the size of the argument or return value emitted in the
IR is expected to be the same as the size of corresponding qualified
type.  For ARM and AArch64, the coercion performed by Clang can
change the parameter or return value to a type whose size is different
(usually larger) than the original aggregate type.  Specifically, this
can happen in the following cases:
    - Aggregate parameters of size <= 64 bytes and return values smaller
      than 4 bytes on ARM
    - Aggregate parameters and return values smaller than bytes on
      AArch64

This patch coerces the cases above to an integer array that is the same
size and alignment as the original aggregate.  A new field is added to
TargetInfo to detect a RenderScript target and limit this coercion just
to that case.

Tests added to test/CodeGen/renderscript.c

Reviewers: rsmith

Subscribers: aemerson, srhines, llvm-commits

Differential Revision: https://reviews.llvm.org/D22822

llvm-svn: 276904
2016-07-27 19:01:51 +00:00
Pirama Arumuga Nainar 54a213d280 Add TargetInfo for 32-bit and 64-bit RenderScript
Summary:
The TargetInfo for 'renderscript32' and 'renderscript64' ArchTypes are
subclasses of ARMleTargetInfo and AArch64leTargetInfo respectively.

RenderScript32TargetInfo modifies the ARM ABI to set LongWidth and
LongAlign to be 64-bits.  Other than this modification, the underlying
TargetInfo base classes is initialized as if they have "armv7" and
"aarch64" architecture type respectively.

Reviewers: rsmith, echristo

Subscribers: aemerson, tberghammer, cfe-commits, danalbert, mehdi_amini, srhines

Differential Revision: http://reviews.llvm.org/D21334

llvm-svn: 274409
2016-07-02 00:05:42 +00:00