[CIR][Lowering][x86_64] Initial VAArg support #1086
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bcardosolopes
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Nov 8, 2024
| // RUN: %clang_cc1 -triple aarch64-none-linux-android21 -fclangir -emit-cir %s -o %t.cir | ||
| // RUN: FileCheck --check-prefix=CIR --input-file=%t.cir %s | ||
| // RUN: %clang_cc1 -triple aarch64-none-linux-android21 -fclangir -emit-llvm -fno-clangir-call-conv-lowering %s -o %t.ll | ||
| // RUN: FileCheck --check-prefix=LLVM --input-file=%t.ll %s |
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We don't want to loose the LLVM testing here, even though it might be wrong in the ABI sense for AArch64, it's still testing some important parts. Can you elaborate on why are you remove this? Should this be moved elsewhere instead?
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Oh, this is a surprise to me too. My bad. I should check the PR. BTW, I like to close this one and create a new one to make the stacked PR for #1087
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Close to create stacked PR |
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This patch implements transformations for VAArg in X86_64 ABI in shape.
In shapemeans it can't work properly due to the dependent X86_64 ABI is not robust. e.g., when we want to use VAArg withlong double, we need #1087.This patch literally implement https://github.com/llvm/llvm-project/blob/d233fedfb0de882353c348cd1ac57dab619efa6d/clang/lib/CodeGen/Targets/X86.cpp#L3015-L3240 in CIR.
There some differences due to the traditional pipeline are converting AST to LLVM and we're transforming CIR to CIR. And also to get the ABI Info, I moved
X86_64ABIInfoto the header.