Chris Lattner fb3e1190fc Handle negative strides much more optimally. This compiles X86/lsr-negative-stride.ll ... into: _t: movl 8(%esp), %ecx movl 4(%esp), %eax cmpl %ecx, %eax je LBB1_3 #bb17 LBB1_1: #bb cmpl %ecx, %eax jg LBB1_4 #cond_true LBB1_2: #cond_false subl %eax, %ecx cmpl %ecx, %eax jne LBB1_1 #bb LBB1_3: #bb17 ret LBB1_4: #cond_true subl %ecx, %eax cmpl %ecx, %eax jne LBB1_1 #bb jmp LBB1_3 #bb17 instead of: _t: subl $4, %esp movl %esi, (%esp) movl 12(%esp), %ecx movl 8(%esp), %eax cmpl %ecx, %eax je LBB1_4 #bb17 LBB1_1: #bb.outer movl %ecx, %edx negl %edx LBB1_2: #bb cmpl %ecx, %eax jle LBB1_5 #cond_false LBB1_3: #cond_true addl %edx, %eax cmpl %ecx, %eax jne LBB1_2 #bb LBB1_4: #bb17 movl (%esp), %esi addl $4, %esp ret LBB1_5: #cond_false movl %ecx, %edx subl %eax, %edx movl %eax, %esi addl %esi, %esi cmpl %ecx, %esi je LBB1_4 #bb17 LBB1_6: #cond_false.bb.outer_crit_edge movl %edx, %ecx jmp LBB1_1 #bb.outer git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37252 91177308-0d34-0410-b5e6-96231b3b80d8		2007-05-19 01:22:21 +00:00
..
Hello	Fix typo in comment.	2007-05-06 13:37:16 +00:00
Instrumentation	Fix typo in comment.	2007-05-06 13:37:16 +00:00
IPO	selects can also reach here	2007-05-15 06:42:04 +00:00
Scalar	Handle negative strides much more optimally. This compiles X86/lsr-negative-stride.ll	2007-05-19 01:22:21 +00:00
Utils	Fix typos.	2007-05-11 21:10:54 +00:00
Makefile	Build Hello by default so it can be used in test cases.	2007-04-11 21:03:37 +00:00