1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=thumbv8-eabi -float-abi=hard -arm-restrict-it | FileCheck --check-prefixes=P01 %s 3; RUN: llc < %s -mtriple=thumbv7-eabi -float-abi=hard -arm-restrict-it | FileCheck --check-prefixes=P01 %s 4; RUN: llc < %s -mtriple=thumbv8-eabi -float-abi=hard -regalloc=basic -arm-restrict-it | FileCheck --check-prefixes=P23 %s 5; RUN: llc < %s -mtriple=thumbv7-eabi -float-abi=hard -regalloc=basic -arm-restrict-it | FileCheck --check-prefixes=P23 %s 6 7%"struct.__gnu_cxx::__normal_iterator<char*,std::basic_string<char, std::char_traits<char>, std::allocator<char> > >" = type { ptr } 8%"struct.__gnu_cxx::new_allocator<char>" = type <{ i8 }> 9%"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> > >" } 10%"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" } 11%"struct.std::basic_string<char,std::char_traits<char>,std::allocator<char> >::_Rep_base" = type { i32, i32, i32 } 12 13 14define weak arm_aapcs_vfpcc i32 @_ZNKSs7compareERKSs(ptr %this, ptr %__str) { 15; P01-LABEL: _ZNKSs7compareERKSs: 16; P01: @ %bb.0: @ %entry 17; P01-NEXT: .save {r4, r5, r6, r7, r8, lr} 18; P01-NEXT: push.w {r4, r5, r6, r7, r8, lr} 19; P01-NEXT: mov r8, r1 20; P01-NEXT: mov r5, r0 21; P01-NEXT: bl _ZNKSs4sizeEv 22; P01-NEXT: mov r4, r0 23; P01-NEXT: mov r0, r8 24; P01-NEXT: bl _ZNKSs4sizeEv 25; P01-NEXT: mov r6, r4 26; P01-NEXT: cmp r4, r0 27; P01-NEXT: mov r7, r0 28; P01-NEXT: it hi 29; P01-NEXT: movhi r6, r0 30; P01-NEXT: mov r0, r5 31; P01-NEXT: bl _ZNKSs7_M_dataEv 32; P01-NEXT: mov r5, r0 33; P01-NEXT: mov r0, r8 34; P01-NEXT: bl _ZNKSs4dataEv 35; P01-NEXT: mov r1, r0 36; P01-NEXT: mov r0, r5 37; P01-NEXT: mov r2, r6 38; P01-NEXT: bl memcmp 39; P01-NEXT: subs r1, r4, r7 40; P01-NEXT: cmp r0, #0 41; P01-NEXT: it eq 42; P01-NEXT: moveq r0, r1 43; P01-NEXT: pop.w {r4, r5, r6, r7, r8, pc} 44; 45; P23-LABEL: _ZNKSs7compareERKSs: 46; P23: @ %bb.0: @ %entry 47; P23-NEXT: .save {r4, r5, r6, r7, r8, lr} 48; P23-NEXT: push.w {r4, r5, r6, r7, r8, lr} 49; P23-NEXT: mov r8, r1 50; P23-NEXT: mov r7, r0 51; P23-NEXT: bl _ZNKSs4sizeEv 52; P23-NEXT: mov r6, r0 53; P23-NEXT: mov r0, r8 54; P23-NEXT: bl _ZNKSs4sizeEv 55; P23-NEXT: mov r4, r6 56; P23-NEXT: cmp r6, r0 57; P23-NEXT: mov r5, r0 58; P23-NEXT: it hi 59; P23-NEXT: movhi r4, r0 60; P23-NEXT: mov r0, r7 61; P23-NEXT: bl _ZNKSs7_M_dataEv 62; P23-NEXT: mov r7, r0 63; P23-NEXT: mov r0, r8 64; P23-NEXT: bl _ZNKSs4dataEv 65; P23-NEXT: mov r1, r0 66; P23-NEXT: mov r0, r7 67; P23-NEXT: mov r2, r4 68; P23-NEXT: bl memcmp 69; P23-NEXT: subs r1, r6, r5 70; P23-NEXT: cmp r0, #0 71; P23-NEXT: it eq 72; P23-NEXT: moveq r0, r1 73; P23-NEXT: pop.w {r4, r5, r6, r7, r8, pc} 74entry: 75 %0 = tail call arm_aapcs_vfpcc i32 @_ZNKSs4sizeEv(ptr %this) ; <i32> [#uses=3] 76 %1 = tail call arm_aapcs_vfpcc i32 @_ZNKSs4sizeEv(ptr %__str) ; <i32> [#uses=3] 77 %2 = icmp ult i32 %1, %0 ; <i1> [#uses=1] 78 %3 = select i1 %2, i32 %1, i32 %0 ; <i32> [#uses=1] 79 %4 = tail call arm_aapcs_vfpcc ptr @_ZNKSs7_M_dataEv(ptr %this) ; <ptr> [#uses=1] 80 %5 = tail call arm_aapcs_vfpcc ptr @_ZNKSs4dataEv(ptr %__str) ; <ptr> [#uses=1] 81 %6 = tail call arm_aapcs_vfpcc i32 @memcmp(ptr %4, ptr %5, i32 %3) nounwind readonly ; <i32> [#uses=2] 82 %7 = icmp eq i32 %6, 0 ; <i1> [#uses=1] 83 br i1 %7, label %bb, label %bb1 84 85bb: ; preds = %entry 86 %8 = sub i32 %0, %1 ; <i32> [#uses=1] 87 ret i32 %8 88 89bb1: ; preds = %entry 90 ret i32 %6 91} 92 93declare arm_aapcs_vfpcc i32 @memcmp(ptr nocapture, ptr nocapture, i32) nounwind readonly 94 95declare arm_aapcs_vfpcc i32 @_ZNKSs4sizeEv(ptr %this) 96 97declare arm_aapcs_vfpcc ptr @_ZNKSs7_M_dataEv(ptr %this) 98 99declare arm_aapcs_vfpcc ptr @_ZNKSs4dataEv(ptr %this) 100