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author	Eli Friedman <efriedma@quicinc.com>
	Wed, 24 May 2023 17:39:43 +0000 (10:39 -0700)
committer	Eli Friedman <efriedma@quicinc.com>
	Mon, 26 Jun 2023 17:45:41 +0000 (10:45 -0700)
commit	bc7f11ccb01cbc2ae6c1631535ea5c181f70cb1e
tree	681014141fe9f96333359c88f81194b473e23213	tree \| snapshot
parent	a1540e4852a90e7f72c996a3832edfd20968bd9e	commit \| diff

[SelectionDAG] Improve expansion of wide min/max

The current implementation tries to handle the high and low halves
separately, but that's less efficient in most cases; use a wide SETCC
instead.

Differential Revision: https://reviews.llvm.org/D151358

32 files changed:

llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp		diff \| blob \| history
llvm/test/CodeGen/AArch64/dag-combine-setcc.ll		diff \| blob \| history
llvm/test/CodeGen/AArch64/fpclamptosat.ll		diff \| blob \| history
llvm/test/CodeGen/AArch64/fpclamptosat_vec.ll		diff \| blob \| history
llvm/test/CodeGen/AArch64/vecreduce-umax-legalization.ll		diff \| blob \| history
llvm/test/CodeGen/AMDGPU/max.ll		diff \| blob \| history
llvm/test/CodeGen/AMDGPU/min.ll		diff \| blob \| history
llvm/test/CodeGen/ARM/fpclamptosat.ll		diff \| blob \| history
llvm/test/CodeGen/ARM/fpclamptosat_vec.ll		diff \| blob \| history
llvm/test/CodeGen/RISCV/fpclamptosat.ll		diff \| blob \| history
llvm/test/CodeGen/RISCV/min-max.ll		diff \| blob \| history
llvm/test/CodeGen/RISCV/rv32zbb.ll		diff \| blob \| history
llvm/test/CodeGen/RISCV/rvv/fpclamptosat_vec.ll		diff \| blob \| history
llvm/test/CodeGen/Thumb2/mve-fpclamptosat_vec.ll		diff \| blob \| history
llvm/test/CodeGen/Thumb2/mve-minmaxi.ll		diff \| blob \| history
llvm/test/CodeGen/Thumb2/mve-vmaxv-vminv-scalar.ll		diff \| blob \| history
llvm/test/CodeGen/VE/Scalar/smax.ll		diff \| blob \| history
llvm/test/CodeGen/VE/Scalar/smin.ll		diff \| blob \| history
llvm/test/CodeGen/VE/Scalar/umax.ll		diff \| blob \| history
llvm/test/CodeGen/VE/Scalar/umin.ll		diff \| blob \| history
llvm/test/CodeGen/WebAssembly/fpclamptosat.ll		diff \| blob \| history
llvm/test/CodeGen/WebAssembly/fpclamptosat_vec.ll		diff \| blob \| history
llvm/test/CodeGen/X86/abds.ll		diff \| blob \| history
llvm/test/CodeGen/X86/abdu.ll		diff \| blob \| history
llvm/test/CodeGen/X86/fpclamptosat.ll		diff \| blob \| history
llvm/test/CodeGen/X86/fpclamptosat_vec.ll		diff \| blob \| history
llvm/test/CodeGen/X86/sdiv_fix_sat.ll		diff \| blob \| history
llvm/test/CodeGen/X86/smax.ll		diff \| blob \| history
llvm/test/CodeGen/X86/smin.ll		diff \| blob \| history
llvm/test/CodeGen/X86/udiv_fix_sat.ll		diff \| blob \| history
llvm/test/CodeGen/X86/umax.ll		diff \| blob \| history
llvm/test/CodeGen/X86/umin.ll		diff \| blob \| history

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