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Revision tags: llvmorg-21-init, llvmorg-19.1.7, llvmorg-19.1.6
# 2208c97c 15-Dec-2024 Fangrui Song <i@maskray.me>

[Hexagon,test] Change llc -march= to -mtriple=

Similar to 806761a7629df268c8aed49657aeccffa6bca449

-mtriple= specifies the full target triple while -march= merely sets the
architecture part of the

[Hexagon,test] Change llc -march= to -mtriple=

Similar to 806761a7629df268c8aed49657aeccffa6bca449

-mtriple= specifies the full target triple while -march= merely sets the
architecture part of the default target triple, leaving a target triple which
may not make sense.

Therefore, -march= is error-prone and not recommended for tests without a target
triple. The issue has been benign as we recognize $unknown-apple-darwin as ELF instead
of rejecting it outrightly.

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# 7793ddb0 12-Feb-2016 Krzysztof Parzyszek <kparzysz@codeaurora.org>

[Hexagon] Optimize stack slot spills

Replace spills to memory with spills to registers, if possible. This
applies mostly to predicate registers (both scalar and vector), since
they are very limited

[Hexagon] Optimize stack slot spills

Replace spills to memory with spills to registers, if possible. This
applies mostly to predicate registers (both scalar and vector), since
they are very limited in number. A spill of a predicate register may
happen even if there is a general-purpose register available. In cases
like this the stack spill/reload may be eliminated completely.

This optimization will consider all stack objects, regardless of where
they came from and try to match the live range of the stack slot with
a dead range of a register from an appropriate register class.

llvm-svn: 260758

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# 996ad1fa 12-Feb-2016 Krzysztof Parzyszek <kparzysz@codeaurora.org>

[Hexagon] Replace expansion of spill pseudo-instructions in frame lowering

Rewrite the code to handle all pseudo-instructions in a single pass.

This temporarily reverts spill slot optimization that

[Hexagon] Replace expansion of spill pseudo-instructions in frame lowering

Rewrite the code to handle all pseudo-instructions in a single pass.

This temporarily reverts spill slot optimization that used general-
purpose registers to hold values of spilled predicate registers.

llvm-svn: 260696

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Revision tags: llvmorg-3.8.0-rc2
# 7b413c6c 22-Jan-2016 Krzysztof Parzyszek <kparzysz@codeaurora.org>

[Hexagon] Use general purpose registers to spill pred/mod registers into

Patch by Tobias Edler Von Koch.

llvm-svn: 258527