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when simplifying, allowing them to be eagerly turned into switches. This is the last step required to get "Example 7" from this blog post: http://blog.regehr.org/archives/320 On X86, we now generate this machine code, which (to my eye) seems better than the ICC generated code: _crud: ## @crud ## BB#0: ## %entry cmpb $33, %dil jb LBB0_4 ## BB#1: ## %switch.early.test addb $-34, %dil cmpb $58, %dil ja LBB0_3 ## BB#2: ## %switch.early.test movzbl %dil, %eax movabsq $288230376537592865, %rcx ## imm = 0x400000017001421 btq %rax, %rcx jb LBB0_4 LBB0_3: ## %lor.rhs xorl %eax, %eax ret LBB0_4: ## %lor.end movl $1, %eax ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121690 91177308-0d34-0410-b5e6-96231b3b80d8
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