forked from OSchip/llvm-project
d477a7c2e7
Rework getConstantstVRegValWithLookThrough in order to make it clear if we are matching integer/float constant only or any constant(default). Add helper functions that get DefVReg and APInt/APFloat from constant instr getIConstantVRegValWithLookThrough: integer constant, only G_CONSTANT getFConstantVRegValWithLookThrough: float constant, only G_FCONSTANT getAnyConstantVRegValWithLookThrough: either G_CONSTANT or G_FCONSTANT Rename getConstantVRegVal and getConstantVRegSExtVal to getIConstantVRegVal and getIConstantVRegSExtVal. These now only match G_CONSTANT as described in comment. Relevant matchers now return both DefVReg and APInt/APFloat. Replace existing uses of getConstantstVRegValWithLookThrough and getConstantVRegVal with new helper functions. Any constant match is only required in: ConstantFoldBinOp: for constant argument that was bit-cast of float to int getAArch64VectorSplat: AArch64::G_DUP operands can be any constant amdgpu select for G_BUILD_VECTOR_TRUNC: operands can be any constant In other places use integer only constant match. Differential Revision: https://reviews.llvm.org/D104409 |
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