[lld] [llvm] [LTO] Override TargetABI from module flags if present when creating TargetMachine (PR #126497)

[Kito Cheng via llvm-commits]

================
@@ -0,0 +1,2 @@
+if not "RISCV" in config.root.targets:
----------------
kito-cheng wrote:

Seems like we have both flavor, but I agree `"RISCV" not in` is more expressive than `not "RISCV" in`, so I take this suggestion :)

(And actually that is I copy from somewhere, but I forgot from which one...

```
[kitoc at hsinchu18 test]$ pwd
/home/kitoc/llvm-workspace/llvm-project/llvm/test
[kitoc at hsinchu18 test]$ grep "\"RISCV\"" * -R
Analysis/CostModel/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
CodeGen/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
CodeGen/MIR/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
DebugInfo/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
ExecutionEngine/JITLink/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
LTO/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
MachineVerifier/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
MC/Disassembler/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
MC/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
MC/ELF/RISCV/lit.local.cfg:if "RISCV" not in config.root.targets:
Object/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
tools/llvm-readobj/ELF/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
tools/llvm-dwarfdump/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
tools/llvm-objdump/ELF/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
tools/llvm-exegesis/RISCV/lit.local.cfg:if not ("RISCV" in config.root.targets):
Transforms/LoopDataPrefetch/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
Transforms/VectorCombine/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
Transforms/LoopUnroll/RISCV/lit.local.cfg:if not "RISCV" in targets:
Transforms/InterleavedAccess/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
Transforms/PreISelIntrinsicLowering/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
Transforms/LoopStrengthReduce/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
Transforms/CodeGenPrepare/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
Transforms/ConstantHoisting/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
Transforms/AtomicExpand/RISCV/lit.local.cfg:if not "RISCV" in targets:
Transforms/LoopRotate/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
Transforms/InstCombine/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
Transforms/SimplifyCFG/RISCV/lit.local.cfg:if not "RISCV" in targets:
Transforms/LoopIdiom/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
Transforms/Inline/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
Transforms/SeparateConstOffsetFromGEP/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
Transforms/LoopVectorize/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
Transforms/SLPVectorizer/RISCV/lit.local.cfg:if not "RISCV" in config.root.targets:
```

https://github.com/llvm/llvm-project/pull/126497