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cherry-picked fix for rust#91671 #129

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pnkfelix
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cherry-picked fix for rust-lang/rust#91671

this landed in LLVM upstream as llvm@0d1308a

Original description below.

[AArch64][GlobalISel] Support returned argument with multiple registers

The call lowering code assumed that a returned argument could only
consist of one register. Pass an ArrayRef instead of
Register to make sure that all parts get assigned.

Fixes llvm#53315.

Differential Revision: https://reviews.llvm.org/D117866

The call lowering code assumed that a returned argument could only
consist of one register. Pass an ArrayRef<Register> instead of
Register to make sure that all parts get assigned.

Fixes llvm#53315.

Differential Revision: https://reviews.llvm.org/D117866
@nikic nikic merged commit b6b46f5 into rust-lang:rustc/13.0-2021-09-30 Jan 28, 2022
vext01 pushed a commit to vext01/llvm-project that referenced this pull request Apr 8, 2024
Don't add stackmap after unmappable functions.
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