forked from OSchip/llvm-project
395 lines
17 KiB
LLVM
395 lines
17 KiB
LLVM
; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s
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; This test is based on the following code:
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;
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; int main(void) {
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; try {
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; try {
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; throw 'a';
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; } catch (char c) {
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; printf("%c\n", c);
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; }
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; throw 1;
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; } catch(int x) {
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; printf("%d\n", x);
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; } catch(...) {
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; printf("...\n");
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; }
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; try {
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; try {
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; throw 'b';
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; } catch (char c) {
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; printf("%c\n", c);
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; }
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; throw 2;
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; } catch(int x) {
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; printf("%d\n", x);
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; } catch (char c) {
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; printf("%c\n", c);
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; } catch(...) {
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; printf("...\n");
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; }
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; return 0;
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; }
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; This test is just checking for failures in processing the IR.
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; Extensive handler matching is not required.
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; ModuleID = 'cppeh-similar-catch-blocks.cpp'
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc"
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%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
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%eh.CatchHandlerType = type { i32, i8* }
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%eh.CatchableType = type { i32, i32, i32, i32, i32, i32, i32 }
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%eh.CatchableTypeArray.1 = type { i32, [1 x i32] }
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%eh.ThrowInfo = type { i32, i32, i32, i32 }
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$"\01??_R0H@8" = comdat any
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$"\01??_R0D@8" = comdat any
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$"_CT??_R0D@81" = comdat any
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$_CTA1D = comdat any
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$_TI1D = comdat any
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$"\01??_C@_03PJCJOCBM@?$CFc?6?$AA@" = comdat any
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$"_CT??_R0H@84" = comdat any
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$_CTA1H = comdat any
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$_TI1H = comdat any
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$"\01??_C@_04MPPNMCOK@?4?4?4?6?$AA@" = comdat any
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$"\01??_C@_03PMGGPEJJ@?$CFd?6?$AA@" = comdat any
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@"\01??_7type_info@@6B@" = external constant i8*
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@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
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@llvm.eh.handlertype.H.0 = private unnamed_addr constant %eh.CatchHandlerType { i32 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) }, section "llvm.metadata"
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@"\01??_R0D@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".D\00" }, comdat
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@llvm.eh.handlertype.D.0 = private unnamed_addr constant %eh.CatchHandlerType { i32 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0D@8" to i8*) }, section "llvm.metadata"
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@__ImageBase = external constant i8
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@"_CT??_R0D@81" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor2* @"\01??_R0D@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 0, i32 -1, i32 0, i32 1, i32 0 }, section ".xdata", comdat
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@_CTA1D = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableType* @"_CT??_R0D@81" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32)] }, section ".xdata", comdat
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@_TI1D = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i32 0, i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableTypeArray.1* @_CTA1D to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section ".xdata", comdat
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@"\01??_C@_03PJCJOCBM@?$CFc?6?$AA@" = linkonce_odr unnamed_addr constant [4 x i8] c"%c\0A\00", comdat, align 1
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@"_CT??_R0H@84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 0, i32 -1, i32 0, i32 4, i32 0 }, section ".xdata", comdat
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@_CTA1H = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableType* @"_CT??_R0H@84" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32)] }, section ".xdata", comdat
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@_TI1H = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i32 0, i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableTypeArray.1* @_CTA1H to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section ".xdata", comdat
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@"\01??_C@_04MPPNMCOK@?4?4?4?6?$AA@" = linkonce_odr unnamed_addr constant [5 x i8] c"...\0A\00", comdat, align 1
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@"\01??_C@_03PMGGPEJJ@?$CFd?6?$AA@" = linkonce_odr unnamed_addr constant [4 x i8] c"%d\0A\00", comdat, align 1
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; This is just a minimal check to verify that main was handled by WinEHPrepare.
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; CHECK: define i32 @main()
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; CHECK: entry:
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; CHECK: call void (...) @llvm.frameescape(i32* [[X_PTR:\%.+]], i32* [[X2_PTR:\%.+]], i8* [[C2_PTR:\%.+]], i8* [[C3_PTR:\%.+]], i8* [[C_PTR:\%.+]])
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; CHECK: invoke void @_CxxThrowException
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; CHECK: }
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; Function Attrs: uwtable
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define i32 @main() #0 {
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entry:
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%retval = alloca i32, align 4
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%tmp = alloca i8, align 1
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%exn.slot = alloca i8*
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%ehselector.slot = alloca i32
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%c = alloca i8, align 1
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%tmp3 = alloca i32, align 4
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%x = alloca i32, align 4
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%tmp20 = alloca i8, align 1
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%c28 = alloca i8, align 1
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%tmp34 = alloca i32, align 4
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%c48 = alloca i8, align 1
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%x56 = alloca i32, align 4
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store i32 0, i32* %retval
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store i8 97, i8* %tmp
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invoke void @_CxxThrowException(i8* %tmp, %eh.ThrowInfo* @_TI1D) #4
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to label %unreachable unwind label %lpad
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lpad: ; preds = %entry
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%0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
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catch %eh.CatchHandlerType* @llvm.eh.handlertype.D.0
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catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
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catch i8* null
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%1 = extractvalue { i8*, i32 } %0, 0
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store i8* %1, i8** %exn.slot
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%2 = extractvalue { i8*, i32 } %0, 1
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store i32 %2, i32* %ehselector.slot
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br label %catch.dispatch
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catch.dispatch: ; preds = %lpad
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%sel = load i32, i32* %ehselector.slot
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%3 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*)) #2
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%matches = icmp eq i32 %sel, %3
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br i1 %matches, label %catch, label %catch.dispatch5
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catch: ; preds = %catch.dispatch
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%exn = load i8*, i8** %exn.slot
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call void @llvm.eh.begincatch(i8* %exn, i8* %c) #2
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%4 = load i8, i8* %c, align 1
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%conv = sext i8 %4 to i32
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%call = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"\01??_C@_03PJCJOCBM@?$CFc?6?$AA@", i32 0, i32 0), i32 %conv)
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to label %invoke.cont unwind label %lpad2
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invoke.cont: ; preds = %catch
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call void @llvm.eh.endcatch() #2
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br label %try.cont
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try.cont: ; preds = %invoke.cont
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store i32 1, i32* %tmp3
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%5 = bitcast i32* %tmp3 to i8*
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invoke void @_CxxThrowException(i8* %5, %eh.ThrowInfo* @_TI1H) #4
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to label %unreachable unwind label %lpad4
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lpad2: ; preds = %catch
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%6 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
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catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
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catch i8* null
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%7 = extractvalue { i8*, i32 } %6, 0
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store i8* %7, i8** %exn.slot
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%8 = extractvalue { i8*, i32 } %6, 1
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store i32 %8, i32* %ehselector.slot
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call void @llvm.eh.endcatch() #2
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br label %catch.dispatch5
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lpad4: ; preds = %try.cont
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%9 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
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catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
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catch i8* null
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%10 = extractvalue { i8*, i32 } %9, 0
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store i8* %10, i8** %exn.slot
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%11 = extractvalue { i8*, i32 } %9, 1
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store i32 %11, i32* %ehselector.slot
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br label %catch.dispatch5
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catch.dispatch5: ; preds = %lpad4, %lpad2, %catch.dispatch
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%sel6 = load i32, i32* %ehselector.slot
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%12 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*)) #2
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%matches7 = icmp eq i32 %sel6, %12
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br i1 %matches7, label %catch13, label %catch8
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catch13: ; preds = %catch.dispatch5
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%exn14 = load i8*, i8** %exn.slot
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%13 = bitcast i32* %x to i8*
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call void @llvm.eh.begincatch(i8* %exn14, i8* %13) #2
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%14 = load i32, i32* %x, align 4
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%call18 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"\01??_C@_03PMGGPEJJ@?$CFd?6?$AA@", i32 0, i32 0), i32 %14)
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to label %invoke.cont17 unwind label %lpad16
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invoke.cont17: ; preds = %catch13
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call void @llvm.eh.endcatch() #2
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br label %try.cont19
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try.cont19: ; preds = %invoke.cont17, %invoke.cont11
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store i8 98, i8* %tmp20
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invoke void @_CxxThrowException(i8* %tmp20, %eh.ThrowInfo* @_TI1D) #4
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to label %unreachable unwind label %lpad21
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catch8: ; preds = %catch.dispatch5
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%exn9 = load i8*, i8** %exn.slot
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call void @llvm.eh.begincatch(i8* %exn9, i8* null) #2
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%call12 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @"\01??_C@_04MPPNMCOK@?4?4?4?6?$AA@", i32 0, i32 0))
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to label %invoke.cont11 unwind label %lpad10
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invoke.cont11: ; preds = %catch8
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call void @llvm.eh.endcatch() #2
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br label %try.cont19
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lpad10: ; preds = %catch8
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%15 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
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cleanup
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%16 = extractvalue { i8*, i32 } %15, 0
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store i8* %16, i8** %exn.slot
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%17 = extractvalue { i8*, i32 } %15, 1
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store i32 %17, i32* %ehselector.slot
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call void @llvm.eh.endcatch() #2
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br label %eh.resume
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lpad16: ; preds = %catch13
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%18 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
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cleanup
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%19 = extractvalue { i8*, i32 } %18, 0
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store i8* %19, i8** %exn.slot
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%20 = extractvalue { i8*, i32 } %18, 1
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store i32 %20, i32* %ehselector.slot
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call void @llvm.eh.endcatch() #2
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br label %eh.resume
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lpad21: ; preds = %try.cont19
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%21 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
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catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*)
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catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*)
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catch i8* null
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%22 = extractvalue { i8*, i32 } %21, 0
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store i8* %22, i8** %exn.slot
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%23 = extractvalue { i8*, i32 } %21, 1
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store i32 %23, i32* %ehselector.slot
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br label %catch.dispatch22
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catch.dispatch22: ; preds = %lpad21
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%sel23 = load i32, i32* %ehselector.slot
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%24 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*)) #2
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%matches24 = icmp eq i32 %sel23, %24
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br i1 %matches24, label %catch25, label %catch.dispatch36
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catch25: ; preds = %catch.dispatch22
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%exn26 = load i8*, i8** %exn.slot
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call void @llvm.eh.begincatch(i8* %exn26, i8* %c28) #2
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%25 = load i8, i8* %c28, align 1
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%conv29 = sext i8 %25 to i32
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%call32 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"\01??_C@_03PJCJOCBM@?$CFc?6?$AA@", i32 0, i32 0), i32 %conv29)
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to label %invoke.cont31 unwind label %lpad30
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invoke.cont31: ; preds = %catch25
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call void @llvm.eh.endcatch() #2
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br label %try.cont33
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try.cont33: ; preds = %invoke.cont31
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store i32 2, i32* %tmp34
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%26 = bitcast i32* %tmp34 to i8*
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invoke void @_CxxThrowException(i8* %26, %eh.ThrowInfo* @_TI1H) #4
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to label %unreachable unwind label %lpad35
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lpad30: ; preds = %catch25
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%27 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
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catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*)
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catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*)
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catch i8* null
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%28 = extractvalue { i8*, i32 } %27, 0
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store i8* %28, i8** %exn.slot
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%29 = extractvalue { i8*, i32 } %27, 1
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store i32 %29, i32* %ehselector.slot
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call void @llvm.eh.endcatch() #2
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br label %catch.dispatch36
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lpad35: ; preds = %try.cont33
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%30 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
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catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*)
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catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*)
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catch i8* null
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%31 = extractvalue { i8*, i32 } %30, 0
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store i8* %31, i8** %exn.slot
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%32 = extractvalue { i8*, i32 } %30, 1
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store i32 %32, i32* %ehselector.slot
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br label %catch.dispatch36
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catch.dispatch36: ; preds = %lpad35, %lpad30, %catch.dispatch22
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%sel37 = load i32, i32* %ehselector.slot
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%33 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*)) #2
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%matches38 = icmp eq i32 %sel37, %33
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br i1 %matches38, label %catch53, label %catch.fallthrough
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catch53: ; preds = %catch.dispatch36
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%exn54 = load i8*, i8** %exn.slot
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%34 = bitcast i32* %x56 to i8*
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call void @llvm.eh.begincatch(i8* %exn54, i8* %34) #2
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%35 = load i32, i32* %x56, align 4
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%call59 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"\01??_C@_03PMGGPEJJ@?$CFd?6?$AA@", i32 0, i32 0), i32 %35)
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to label %invoke.cont58 unwind label %lpad57
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invoke.cont58: ; preds = %catch53
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call void @llvm.eh.endcatch() #2
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br label %try.cont60
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try.cont60: ; preds = %invoke.cont58, %invoke.cont51, %invoke.cont43
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ret i32 0
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catch.fallthrough: ; preds = %catch.dispatch36
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%36 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*)) #2
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%matches39 = icmp eq i32 %sel37, %36
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br i1 %matches39, label %catch45, label %catch40
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catch45: ; preds = %catch.fallthrough
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%exn46 = load i8*, i8** %exn.slot
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call void @llvm.eh.begincatch(i8* %exn46, i8* %c48) #2
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%37 = load i8, i8* %c48, align 1
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%conv49 = sext i8 %37 to i32
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%call52 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"\01??_C@_03PJCJOCBM@?$CFc?6?$AA@", i32 0, i32 0), i32 %conv49)
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to label %invoke.cont51 unwind label %lpad50
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invoke.cont51: ; preds = %catch45
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call void @llvm.eh.endcatch() #2
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br label %try.cont60
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catch40: ; preds = %catch.fallthrough
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%exn41 = load i8*, i8** %exn.slot
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call void @llvm.eh.begincatch(i8* %exn41, i8* null) #2
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%call44 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @"\01??_C@_04MPPNMCOK@?4?4?4?6?$AA@", i32 0, i32 0))
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to label %invoke.cont43 unwind label %lpad42
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invoke.cont43: ; preds = %catch40
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call void @llvm.eh.endcatch() #2
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br label %try.cont60
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lpad42: ; preds = %catch40
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%38 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
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cleanup
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%39 = extractvalue { i8*, i32 } %38, 0
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store i8* %39, i8** %exn.slot
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%40 = extractvalue { i8*, i32 } %38, 1
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store i32 %40, i32* %ehselector.slot
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call void @llvm.eh.endcatch() #2
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br label %eh.resume
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|
|
lpad50: ; preds = %catch45
|
|
%41 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
|
|
cleanup
|
|
%42 = extractvalue { i8*, i32 } %41, 0
|
|
store i8* %42, i8** %exn.slot
|
|
%43 = extractvalue { i8*, i32 } %41, 1
|
|
store i32 %43, i32* %ehselector.slot
|
|
call void @llvm.eh.endcatch() #2
|
|
br label %eh.resume
|
|
|
|
lpad57: ; preds = %catch53
|
|
%44 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
|
|
cleanup
|
|
%45 = extractvalue { i8*, i32 } %44, 0
|
|
store i8* %45, i8** %exn.slot
|
|
%46 = extractvalue { i8*, i32 } %44, 1
|
|
store i32 %46, i32* %ehselector.slot
|
|
call void @llvm.eh.endcatch() #2
|
|
br label %eh.resume
|
|
|
|
eh.resume: ; preds = %lpad57, %lpad50, %lpad42, %lpad16, %lpad10
|
|
%exn61 = load i8*, i8** %exn.slot
|
|
%sel62 = load i32, i32* %ehselector.slot
|
|
%lpad.val = insertvalue { i8*, i32 } undef, i8* %exn61, 0
|
|
%lpad.val63 = insertvalue { i8*, i32 } %lpad.val, i32 %sel62, 1
|
|
resume { i8*, i32 } %lpad.val63
|
|
|
|
unreachable: ; preds = %try.cont33, %try.cont19, %try.cont, %entry
|
|
unreachable
|
|
}
|
|
|
|
declare void @_CxxThrowException(i8*, %eh.ThrowInfo*)
|
|
|
|
declare i32 @__CxxFrameHandler3(...)
|
|
|
|
; Function Attrs: nounwind readnone
|
|
declare i32 @llvm.eh.typeid.for(i8*) #1
|
|
|
|
; Function Attrs: nounwind
|
|
declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #2
|
|
|
|
declare i32 @printf(i8*, ...) #3
|
|
|
|
; Function Attrs: nounwind
|
|
declare void @llvm.eh.endcatch() #2
|
|
|
|
attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
attributes #1 = { nounwind readnone }
|
|
attributes #2 = { nounwind }
|
|
attributes #3 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
attributes #4 = { noreturn }
|
|
|
|
!llvm.module.flags = !{!0}
|
|
!llvm.ident = !{!1}
|
|
|
|
!0 = !{i32 1, !"PIC Level", i32 2}
|
|
!1 = !{!"clang version 3.7.0 (trunk 235214) (llvm/trunk 235213)"}
|