1 ; RUN: opt -S -winehprepare -sehprepare < %s | FileCheck %s 2 3 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" 4 target triple = "x86_64-pc-windows-msvc" 5 6 @str.__except = internal unnamed_addr constant [9 x i8] c"__except\00", align 1 7 8 ; Function Attrs: uwtable 9 10 declare i32 @puts(i8*) 11 12 define void @may_crash() { 13 entry: 14 store volatile i32 42, i32* null, align 4 15 ret void 16 } 17 18 declare i32 @__C_specific_handler(...) 19 20 ; Function Attrs: nounwind readnone 21 declare i8* @llvm.frameaddress(i32) 22 23 ; Function Attrs: uwtable 24 define void @seh_catch_all() { 25 entry: 26 %exn.slot = alloca i8* 27 %ehselector.slot = alloca i32 28 invoke void @may_crash() 29 to label %invoke.cont unwind label %lpad 30 31 invoke.cont: ; preds = %entry 32 br label %__try.cont 33 34 lpad: ; preds = %entry 35 %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) 36 catch i8* null 37 %1 = extractvalue { i8*, i32 } %0, 0 38 store i8* %1, i8** %exn.slot 39 %2 = extractvalue { i8*, i32 } %0, 1 40 store i32 %2, i32* %ehselector.slot 41 br label %__except 42 43 __except: ; preds = %lpad 44 %call = call i32 @puts(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @str.__except, i32 0, i32 0)) 45 br label %__try.cont 46 47 __try.cont: ; preds = %__except, %invoke.cont 48 ret void 49 } 50 51 ; CHECK-LABEL: define void @seh_catch_all() 52 ; CHECK: landingpad 53 ; CHECK-NEXT: catch i8* null 54 ; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 1, i8* null, i32 -1, i8* blockaddress(@seh_catch_all, %catch.all)) 55 ; CHECK-NEXT: indirectbr 56 ; 57 ; CHECK: catch.all: 58 ; CHECK-NOT: extractvalue 59 ; CHECK: call i32 @puts 60