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Now that register allocation properly considers reserved regs, simplify the

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ARM register class allocation order functions to take advantage of that.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112841 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach
2010-09-02 18:14:29 +00:00
parent 040bbcc876
commit e7c1416263
5 changed files with 26 additions and 162 deletions
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4
test/CodeGen/Thumb2/2009-10-15-ITBlockBranch.ll
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@@ -11,8 +11,8 @@
define weak arm_aapcs_vfpcc i32 @_ZNKSs7compareERKSs(%"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >"* %this, %"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >"* %__str) {
; CHECK: _ZNKSs7compareERKSs:
; CHECK: it eq
; CHECK-NEXT: subeq.w r0, r6, r8
; CHECK-NEXT: ldmia.w sp!, {r4, r5, r6, r8, r9, pc}
; CHECK-NEXT: subeq r0, r6, r7
; CHECK-NEXT: ldmia.w sp!, {r4, r5, r6, r7, r8, pc}
entry:
%0 = tail call arm_aapcs_vfpcc i32 @_ZNKSs4sizeEv(%"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >"* %this) ; <i32> [#uses=3]
%1 = tail call arm_aapcs_vfpcc i32 @_ZNKSs4sizeEv(%"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >"* %__str) ; <i32> [#uses=3]