1 ; RUN: llc < %s -O0 -regalloc=fast -relocation-model=pic -disable-fp-elim | FileCheck %s 2 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32" 3 target triple = "i386-apple-darwin10.0.0" 4 5 %struct.S = type { [2 x i8*] } 6 7 @_ZTIi = external constant i8* ; <i8**> [#uses=1] 8 @.str = internal constant [4 x i8] c"%p\0A\00" ; <[4 x i8]*> [#uses=1] 9 @llvm.used = appending global [1 x i8*] [i8* bitcast (i8* (%struct.S*, i32, %struct.S*)* @_Z4test1SiS_ to i8*)], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0] 10 11 ; Verify that %esi gets spilled before the call. 12 ; CHECK: Z4test1SiS 13 ; CHECK: movl %esi,{{.*}}(%ebp) 14 ; CHECK: calll __Z6throwsv 15 16 define i8* @_Z4test1SiS_(%struct.S* byval %s1, i32 %n, %struct.S* byval %s2) ssp personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { 17 entry: 18 %retval = alloca i8*, align 4 ; <i8**> [#uses=2] 19 %n.addr = alloca i32, align 4 ; <i32*> [#uses=1] 20 %_rethrow = alloca i8* ; <i8**> [#uses=4] 21 %0 = alloca i32, align 4 ; <i32*> [#uses=1] 22 %cleanup.dst = alloca i32 ; <i32*> [#uses=3] 23 %cleanup.dst7 = alloca i32 ; <i32*> [#uses=6] 24 store i32 %n, i32* %n.addr 25 invoke void @_Z6throwsv() 26 to label %invoke.cont unwind label %try.handler 27 28 invoke.cont: ; preds = %entry 29 store i32 1, i32* %cleanup.dst7 30 br label %finally 31 32 terminate.handler: ; preds = %match.end 33 %1 = landingpad { i8*, i32 } 34 cleanup 35 call void @_ZSt9terminatev() noreturn nounwind 36 unreachable 37 38 try.handler: ; preds = %entry 39 %exc1.ptr = landingpad { i8*, i32 } 40 catch i8* null 41 %exc1 = extractvalue { i8*, i32 } %exc1.ptr, 0 42 %selector = extractvalue { i8*, i32 } %exc1.ptr, 1 43 %2 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) ; <i32> [#uses=1] 44 %3 = icmp eq i32 %selector, %2 ; <i1> [#uses=1] 45 br i1 %3, label %match, label %catch.next 46 47 match: ; preds = %try.handler 48 %4 = call i8* @__cxa_begin_catch(i8* %exc1) ; <i8*> [#uses=1] 49 %5 = bitcast i8* %4 to i32* ; <i32*> [#uses=1] 50 %6 = load i32, i32* %5 ; <i32> [#uses=1] 51 store i32 %6, i32* %0 52 %call = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), %struct.S* %s2) 53 to label %invoke.cont2 unwind label %match.handler ; <i32> [#uses=0] 54 55 invoke.cont2: ; preds = %match 56 store i32 1, i32* %cleanup.dst 57 br label %match.end 58 59 match.handler: ; preds = %match 60 %exc3 = landingpad { i8*, i32 } 61 cleanup 62 %7 = extractvalue { i8*, i32 } %exc3, 0 63 store i8* %7, i8** %_rethrow 64 store i32 2, i32* %cleanup.dst 65 br label %match.end 66 67 cleanup.pad: ; preds = %cleanup.switch 68 store i32 1, i32* %cleanup.dst7 69 br label %finally 70 71 cleanup.pad4: ; preds = %cleanup.switch 72 store i32 2, i32* %cleanup.dst7 73 br label %finally 74 75 match.end: ; preds = %match.handler, %invoke.cont2 76 invoke void @__cxa_end_catch() 77 to label %invoke.cont5 unwind label %terminate.handler 78 79 invoke.cont5: ; preds = %match.end 80 br label %cleanup.switch 81 82 cleanup.switch: ; preds = %invoke.cont5 83 %tmp = load i32, i32* %cleanup.dst ; <i32> [#uses=1] 84 switch i32 %tmp, label %cleanup.end [ 85 i32 1, label %cleanup.pad 86 i32 2, label %cleanup.pad4 87 ] 88 89 cleanup.end: ; preds = %cleanup.switch 90 store i32 2, i32* %cleanup.dst7 91 br label %finally 92 93 catch.next: ; preds = %try.handler 94 store i8* %exc1, i8** %_rethrow 95 store i32 2, i32* %cleanup.dst7 96 br label %finally 97 98 finally: ; preds = %catch.next, %cleanup.end, %cleanup.pad4, %cleanup.pad, %invoke.cont 99 br label %cleanup.switch9 100 101 cleanup.switch9: ; preds = %finally 102 %tmp8 = load i32, i32* %cleanup.dst7 ; <i32> [#uses=1] 103 switch i32 %tmp8, label %cleanup.end10 [ 104 i32 1, label %finally.end 105 i32 2, label %finally.throw 106 ] 107 108 cleanup.end10: ; preds = %cleanup.switch9 109 br label %finally.end 110 111 finally.throw: ; preds = %cleanup.switch9 112 %8 = load i8*, i8** %_rethrow ; <i8*> [#uses=1] 113 call void @_Unwind_Resume_or_Rethrow(i8* %8) 114 unreachable 115 116 finally.end: ; preds = %cleanup.end10, %cleanup.switch9 117 %tmp11 = getelementptr inbounds %struct.S, %struct.S* %s1, i32 0, i32 0 ; <[2 x i8*]*> [#uses=1] 118 %arraydecay = getelementptr inbounds [2 x i8*], [2 x i8*]* %tmp11, i32 0, i32 0 ; <i8**> [#uses=1] 119 %arrayidx = getelementptr inbounds i8*, i8** %arraydecay, i32 1 ; <i8**> [#uses=1] 120 %tmp12 = load i8*, i8** %arrayidx ; <i8*> [#uses=1] 121 store i8* %tmp12, i8** %retval 122 %9 = load i8*, i8** %retval ; <i8*> [#uses=1] 123 ret i8* %9 124 } 125 126 declare void @_Z6throwsv() ssp 127 128 declare i32 @__gxx_personality_v0(...) 129 130 declare void @_ZSt9terminatev() 131 132 declare void @_Unwind_Resume_or_Rethrow(i8*) 133 134 declare i32 @llvm.eh.typeid.for(i8*) nounwind 135 136 declare i8* @__cxa_begin_catch(i8*) 137 138 declare i32 @printf(i8*, ...) 139 140 declare void @__cxa_end_catch() 141
