Nick Desaulniers 54644a49ca [LowerConstantIntrinsics] reuse isManifestLogic from ConstantFolding ... GlobalVariables are Constants, yet should not unconditionally be considered true for __builtin_constant_p. Via the LangRef https://llvm.org/docs/LangRef.html#llvm-is-constant-intrinsic: This intrinsic generates no code. If its argument is known to be a manifest compile-time constant value, then the intrinsic will be converted to a constant true value. Otherwise, it will be converted to a constant false value. In particular, note that if the argument is a constant expression which refers to a global (the address of which _is_ a constant, but not manifest during the compile), then the intrinsic evaluates to false. Move isManifestConstant from ConstantFolding to be a method of Constant so that we can reuse the same logic in LowerConstantIntrinsics. pr/41459 Reviewed By: rsmith, george.burgess.iv Differential Revision: https://reviews.llvm.org/D102367		2021-05-14 15:35:21 -07:00
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constant-intrinsics.ll	[LowerConstantIntrinsics] reuse isManifestLogic from ConstantFolding	2021-05-14 15:35:21 -07:00
crash-on-large-allocas.ll
objectsize_basic.ll