1 ; RUN: llc < %s -mtriple=thumbv7-eabi -mcpu=cortex-a8 -float-abi=hard | FileCheck %s 2 ; RUN: llc < %s -mtriple=thumbv7-eabi -mcpu=cortex-a8 -float-abi=hard -regalloc=basic | FileCheck %s 3 ; PR5204 4 5 %"struct.__gnu_cxx::__normal_iterator<char*,std::basic_string<char, std::char_traits<char>, std::allocator<char> > >" = type { i8* } 6 %"struct.__gnu_cxx::new_allocator<char>" = type <{ i8 }> 7 %"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> > >" } 8 %"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" } 9 %"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >::_Rep_base" = type { i32, i32, i32 } 10 11 12 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) { 13 ; CHECK-LABEL: _ZNKSs7compareERKSs: 14 ; CHECK: it eq 15 ; CHECK-NEXT: subeq{{(.w)?}} r0, r{{[0-9]+}}, r{{[0-9]+}} 16 ; CHECK-NEXT: pop.w 17 entry: 18 %0 = tail call arm_aapcs_vfpcc i32 @_ZNKSs4sizeEv(%"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >"* %this) ; <i32> [#uses=3] 19 %1 = tail call arm_aapcs_vfpcc i32 @_ZNKSs4sizeEv(%"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >"* %__str) ; <i32> [#uses=3] 20 %2 = icmp ult i32 %1, %0 ; <i1> [#uses=1] 21 %3 = select i1 %2, i32 %1, i32 %0 ; <i32> [#uses=1] 22 %4 = tail call arm_aapcs_vfpcc i8* @_ZNKSs7_M_dataEv(%"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >"* %this) ; <i8*> [#uses=1] 23 %5 = tail call arm_aapcs_vfpcc i8* @_ZNKSs4dataEv(%"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >"* %__str) ; <i8*> [#uses=1] 24 %6 = tail call arm_aapcs_vfpcc i32 @memcmp(i8* %4, i8* %5, i32 %3) nounwind readonly ; <i32> [#uses=2] 25 %7 = icmp eq i32 %6, 0 ; <i1> [#uses=1] 26 br i1 %7, label %bb, label %bb1 27 28 bb: ; preds = %entry 29 %8 = sub i32 %0, %1 ; <i32> [#uses=1] 30 ret i32 %8 31 32 bb1: ; preds = %entry 33 ret i32 %6 34 } 35 36 declare arm_aapcs_vfpcc i32 @memcmp(i8* nocapture, i8* nocapture, i32) nounwind readonly 37 38 declare arm_aapcs_vfpcc i32 @_ZNKSs4sizeEv(%"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >"* %this) 39 40 declare arm_aapcs_vfpcc i8* @_ZNKSs7_M_dataEv(%"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >"* %this) 41 42 declare arm_aapcs_vfpcc i8* @_ZNKSs4dataEv(%"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >"* %this) 43