2 Commits

Author	SHA1	Message	Date
Kai Luo	5931be60b5	[DAGCombine][PowerPC] Convert negated abs to trivial arithmetic ops ... This patch converts `0 - abs(x)` to `Y = sra (X, size(X)-1); sub (Y, xor (X, Y))` for better codegen. Reviewed By: RKSimon Differential Revision: https://reviews.llvm.org/D91120	2020-11-24 09:43:35 +00:00
Kai Luo	5f0ae23e71	[X86][AArch64][RISCV] Pre-commit negated abs test case. NFC.	2020-11-19 02:31:45 +00:00