1; RUN: llc < %s -mtriple=xcore | FileCheck %s 2 3declare void @g() 4declare i32 @__gxx_personality_v0(...) 5declare i32 @llvm.eh.typeid.for(ptr) nounwind readnone 6declare ptr @__cxa_begin_catch(ptr) 7declare void @__cxa_end_catch() 8declare ptr @__cxa_allocate_exception(i32) 9declare void @__cxa_throw(ptr, ptr, ptr) 10 11@_ZTIi = external constant ptr 12@_ZTId = external constant ptr 13 14; CHECK-LABEL: fn_typeid: 15; CHECK: .cfi_startproc 16; CHECK: mkmsk r0, 1 17; CHECK: retsp 0 18; CHECK: .cfi_endproc 19define i32 @fn_typeid() { 20entry: 21 %0 = call i32 @llvm.eh.typeid.for(ptr @_ZTIi) nounwind 22 ret i32 %0 23} 24 25; CHECK-LABEL: fn_throw 26; CHECK: .cfi_startproc 27; CHECK: entsp 1 28; CHECK: .cfi_def_cfa_offset 4 29; CHECK: .cfi_offset 15, 0 30; CHECK: ldc r0, 4 31; CHECK: bl __cxa_allocate_exception 32; CHECK: ldaw r1, dp[_ZTIi] 33; CHECK: ldc r2, 0 34; CHECK: bl __cxa_throw 35define void @fn_throw() { 36entry: 37 %0 = call ptr @__cxa_allocate_exception(i32 4) nounwind 38 call void @__cxa_throw(ptr %0, ptr @_ZTIi, ptr null) noreturn 39 unreachable 40} 41 42; CHECK-LABEL: fn_catch: 43; CHECK-NEXT: [[START:.L[a-zA-Z0-9_]+]] 44; CHECK: .cfi_startproc 45; CHECK: .cfi_personality 0, __gxx_personality_v0 46; CHECK: .cfi_lsda 0, [[LSDA:.L[a-zA-Z0-9_]+]] 47; CHECK: entsp 4 48; CHECK: .cfi_def_cfa_offset 16 49; CHECK: .cfi_offset 15, 0 50define void @fn_catch() personality ptr @__gxx_personality_v0 { 51entry: 52 53; N.B. we alloc no variables, hence force compiler to spill 54; CHECK: stw r4, sp[3] 55; CHECK: .cfi_offset 4, -4 56; CHECK: stw r5, sp[2] 57; CHECK: .cfi_offset 5, -8 58; CHECK: stw r6, sp[1] 59; CHECK: .cfi_offset 6, -12 60; CHECK: [[PRE_G:.L[a-zA-Z0-9_]+]] 61; CHECK: bl g 62; CHECK: [[POST_G:.L[a-zA-Z0-9_]+]] 63; CHECK: [[RETURN:.L[a-zA-Z0-9_]+]] 64; CHECK: ldw r6, sp[1] 65; CHECK: ldw r5, sp[2] 66; CHECK: ldw r4, sp[3] 67; CHECK: retsp 4 68 invoke void @g() to label %cont unwind label %lpad 69cont: 70 ret void 71 72; CHECK: {{.L[a-zA-Z0-9_]+}} 73; CHECK: [[LANDING:.L[a-zA-Z0-9_]+]] 74; CHECK: mov r5, r1 75; CHECK: mov r4, r0 76; CHECK: bl __cxa_begin_catch 77; CHECK: ldw r6, r0[0] 78; CHECK: bl __cxa_end_catch 79lpad: 80 %0 = landingpad { ptr, i32 } 81 cleanup 82 catch ptr @_ZTIi 83 catch ptr @_ZTId 84 %1 = extractvalue { ptr, i32 } %0, 0 85 %2 = extractvalue { ptr, i32 } %0, 1 86 %3 = call ptr @__cxa_begin_catch(ptr %1) nounwind 87 %4 = load i32, ptr %3 88 call void @__cxa_end_catch() nounwind 89 90; CHECK: eq r0, r6, r5 91; CHECK: bf r0, [[RETURN]] 92; CHECK: mov r0, r4 93; CHECK: bl _Unwind_Resume 94; CHECK: [[END:.L[a-zA-Z0-9_]+]] 95; CHECK: .cfi_endproc 96 %5 = icmp eq i32 %4, %2 97 br i1 %5, label %Resume, label %Exit 98Resume: 99 resume { ptr, i32 } %0 100Exit: 101 ret void 102} 103 104; CHECK: [[LSDA]]: 105; CHECK: .byte 255 106; CHECK: .byte 0 107; CHECK: .uleb128 [[TTBASE:.Lttbase[0-9]+]]-[[TTBASEREF:.Lttbaseref[0-9]+]] 108; CHECK: [[TTBASEREF]]: 109; CHECK: .byte 1 110; CHECK: .uleb128 [[CST_END:.Lcst_end[0-9]+]]-[[CST_BEGIN:.Lcst_begin[0-9]+]] 111; CHECK: [[CST_BEGIN]]: 112; CHECK: .uleb128 [[PRE_G]]-[[START]] 113; CHECK: .uleb128 [[POST_G]]-[[PRE_G]] 114; CHECK: .uleb128 [[LANDING]]-[[START]] 115; CHECK: .byte 5 116; CHECK: .uleb128 [[POST_G]]-[[START]] 117; CHECK: .uleb128 [[END]]-[[POST_G]] 118; CHECK: .byte 0 119; CHECK: .byte 0 120; CHECK: [[CST_END]]: 121; CHECK: .byte 0 122; CHECK: .byte 0 123; CHECK: .byte 1 124; CHECK: .byte 125 125; CHECK: .byte 2 126; CHECK: .byte 125 127; CHECK: .p2align 2 128; CHECK: .long _ZTIi 129; CHECK: .long _ZTId 130; CHECK: [[TTBASE]]: 131