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; RUN: llc < %s -mtriple=thumbv7-eabi -mcpu=cortex-a8 -float-abi=hard | FileCheck %s
; RUN: llc < %s -mtriple=thumbv7-eabi -mcpu=cortex-a8 -float-abi=hard -regalloc=basic | FileCheck %s
; PR5204
%"struct.__gnu_cxx::__normal_iterator<char*,std::basic_string<char, std::char_traits<char>, std::allocator<char> > >" = type { ptr }
%"struct.__gnu_cxx::new_allocator<char>" = type <{ i8 }>
%"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >" = type { %"struct.__gnu_cxx::__normal_iterator<char*,std::basic_string<char, std::char_traits<char>, std::allocator<char> > >" }
%"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >::_Rep" = type { %"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >::_Rep_base" }
%"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >::_Rep_base" = type { i32, i32, i32 }
define weak arm_aapcs_vfpcc i32 @_ZNKSs7compareERKSs(ptr %this, ptr %__str) {
; CHECK-LABEL: _ZNKSs7compareERKSs:
; CHECK: it eq
; CHECK-NEXT: subeq{{(.w)?}} r0, r{{[0-9]+}}, r{{[0-9]+}}
; CHECK-NEXT: pop.w
entry:
%0 = tail call arm_aapcs_vfpcc i32 @_ZNKSs4sizeEv(ptr %this) ; <i32> [#uses=3]
%1 = tail call arm_aapcs_vfpcc i32 @_ZNKSs4sizeEv(ptr %__str) ; <i32> [#uses=3]
%2 = icmp ult i32 %1, %0 ; <i1> [#uses=1]
%3 = select i1 %2, i32 %1, i32 %0 ; <i32> [#uses=1]
%4 = tail call arm_aapcs_vfpcc ptr @_ZNKSs7_M_dataEv(ptr %this) ; <ptr> [#uses=1]
%5 = tail call arm_aapcs_vfpcc ptr @_ZNKSs4dataEv(ptr %__str) ; <ptr> [#uses=1]
%6 = tail call arm_aapcs_vfpcc i32 @memcmp(ptr %4, ptr %5, i32 %3) nounwind readonly ; <i32> [#uses=2]
%7 = icmp eq i32 %6, 0 ; <i1> [#uses=1]
br i1 %7, label %bb, label %bb1
bb: ; preds = %entry
%8 = sub i32 %0, %1 ; <i32> [#uses=1]
ret i32 %8
bb1: ; preds = %entry
ret i32 %6
}
declare arm_aapcs_vfpcc i32 @memcmp(ptr nocapture, ptr nocapture, i32) nounwind readonly
declare arm_aapcs_vfpcc i32 @_ZNKSs4sizeEv(ptr %this)
declare arm_aapcs_vfpcc ptr @_ZNKSs7_M_dataEv(ptr %this)
declare arm_aapcs_vfpcc ptr @_ZNKSs4dataEv(ptr %this)
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