Alex Bradbury fdc4647ca3 [RISCV][MC] Don't fold symbol differences if requiresDiffExpressionRelocations is true ... When emitting the difference between two symbols, the standard behavior is that the difference will be resolved to an absolute value if both of the symbols are offsets from the same data fragment. This is undesirable on architectures such as RISC-V where relaxation in the linker may cause the computed difference to become invalid. This caused an issue when compiling to object code, where the size of a function in the debug information was already calculated even though it could change as a consequence of relaxation in the subsequent linking stage. This patch inhibits the resolution of symbol differences to absolute values where the target's AsmBackend has declared that it does not want these to be folded. Differential Revision: https://reviews.llvm.org/D45773 Patch by Edward Jones. llvm-svn: 339864		2018-08-16 11:26:37 +00:00
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llvm	[RISCV][MC] Don't fold symbol differences if requiresDiffExpressionRelocations is true	2018-08-16 11:26:37 +00:00
llvm-c	[Support] Add a basic C API for llvm::Error.	2018-08-15 18:42:11 +00:00