1 ; RUN: llc < %s -march=arm64 | FileCheck %s 2 3 %struct.A = type { i8 } 4 %struct.B = type { i32 } 5 %struct.C = type { %struct.B } 6 %struct.D = type { %struct.B } 7 %struct.E = type { %struct.B, %struct.B } 8 9 declare %struct.A* @A_ctor_base(%struct.A* returned) 10 declare %struct.B* @B_ctor_base(%struct.B* returned, i32) 11 declare %struct.B* @B_ctor_complete(%struct.B* returned, i32) 12 13 declare %struct.A* @A_ctor_base_nothisret(%struct.A*) 14 declare %struct.B* @B_ctor_base_nothisret(%struct.B*, i32) 15 declare %struct.B* @B_ctor_complete_nothisret(%struct.B*, i32) 16 17 define %struct.C* @C_ctor_base(%struct.C* returned %this, i32 %x) { 18 entry: 19 ; CHECK-LABEL: C_ctor_base: 20 ; CHECK-NOT: mov {{x[0-9]+}}, x0 21 ; CHECK: bl {{_?A_ctor_base}} 22 ; CHECK-NOT: mov x0, {{x[0-9]+}} 23 ; CHECK: b {{_?B_ctor_base}} 24 %0 = bitcast %struct.C* %this to %struct.A* 25 %call = tail call %struct.A* @A_ctor_base(%struct.A* %0) 26 %1 = getelementptr inbounds %struct.C, %struct.C* %this, i32 0, i32 0 27 %call2 = tail call %struct.B* @B_ctor_base(%struct.B* %1, i32 %x) 28 ret %struct.C* %this 29 } 30 31 define %struct.C* @C_ctor_base_nothisret(%struct.C* %this, i32 %x) { 32 entry: 33 ; CHECK-LABEL: C_ctor_base_nothisret: 34 ; CHECK: mov [[SAVETHIS:x[0-9]+]], x0 35 ; CHECK: bl {{_?A_ctor_base_nothisret}} 36 ; CHECK: mov x0, [[SAVETHIS]] 37 ; CHECK-NOT: b {{_?B_ctor_base_nothisret}} 38 %0 = bitcast %struct.C* %this to %struct.A* 39 %call = tail call %struct.A* @A_ctor_base_nothisret(%struct.A* %0) 40 %1 = getelementptr inbounds %struct.C, %struct.C* %this, i32 0, i32 0 41 %call2 = tail call %struct.B* @B_ctor_base_nothisret(%struct.B* %1, i32 %x) 42 ret %struct.C* %this 43 } 44 45 define %struct.C* @C_ctor_complete(%struct.C* %this, i32 %x) { 46 entry: 47 ; CHECK-LABEL: C_ctor_complete: 48 ; CHECK: b {{_?C_ctor_base}} 49 %call = tail call %struct.C* @C_ctor_base(%struct.C* %this, i32 %x) 50 ret %struct.C* %this 51 } 52 53 define %struct.C* @C_ctor_complete_nothisret(%struct.C* %this, i32 %x) { 54 entry: 55 ; CHECK-LABEL: C_ctor_complete_nothisret: 56 ; CHECK-NOT: b {{_?C_ctor_base_nothisret}} 57 %call = tail call %struct.C* @C_ctor_base_nothisret(%struct.C* %this, i32 %x) 58 ret %struct.C* %this 59 } 60 61 define %struct.D* @D_ctor_base(%struct.D* %this, i32 %x) { 62 entry: 63 ; CHECK-LABEL: D_ctor_base: 64 ; CHECK-NOT: mov {{x[0-9]+}}, x0 65 ; CHECK: bl {{_?B_ctor_complete}} 66 ; CHECK-NOT: mov x0, {{x[0-9]+}} 67 ; CHECK: b {{_?B_ctor_complete}} 68 %b = getelementptr inbounds %struct.D, %struct.D* %this, i32 0, i32 0 69 %call = tail call %struct.B* @B_ctor_complete(%struct.B* %b, i32 %x) 70 %call2 = tail call %struct.B* @B_ctor_complete(%struct.B* %b, i32 %x) 71 ret %struct.D* %this 72 } 73 74 define %struct.E* @E_ctor_base(%struct.E* %this, i32 %x) { 75 entry: 76 ; CHECK-LABEL: E_ctor_base: 77 ; CHECK-NOT: b {{_?B_ctor_complete}} 78 %b = getelementptr inbounds %struct.E, %struct.E* %this, i32 0, i32 0 79 %call = tail call %struct.B* @B_ctor_complete(%struct.B* %b, i32 %x) 80 %b2 = getelementptr inbounds %struct.E, %struct.E* %this, i32 0, i32 1 81 %call2 = tail call %struct.B* @B_ctor_complete(%struct.B* %b2, i32 %x) 82 ret %struct.E* %this 83 } 84
