1; RUN: llc -mtriple=x86_64-w64-windows-gnu < %s | FileCheck %s --check-prefix=GNU 2; RUN: llc -mtriple=x86_64-w64-windows-gnu < %s -filetype=obj | llvm-objdump - --headers | FileCheck %s --check-prefix=GNUOBJ 3 4; When doing GCC style comdats for MinGW, the .xdata sections don't have a normal comdat 5; symbol attached, which requires a bit of adjustments for the assembler output. 6 7; Generated with this C++ source: 8; int bar(int); 9; __declspec(selectany) int gv = 42; 10; inline int foo(int x) { try { return bar(x) + gv; } catch (...) { return 0; } } 11; int main() { return foo(1); } 12 13$_Z3fooi = comdat any 14 15$gv = comdat any 16 17@gv = weak_odr dso_local global i32 42, comdat, align 4 18 19; Function Attrs: norecurse uwtable 20define dso_local i32 @main() #0 { 21entry: 22 %call = tail call i32 @_Z3fooi(i32 1) 23 ret i32 %call 24} 25 26; GNU: main: 27 28; Function Attrs: inlinehint uwtable 29define linkonce_odr dso_local i32 @_Z3fooi(i32 %x) #1 comdat personality i8* bitcast (i32 (...)* @__gxx_personality_seh0 to i8*) { 30entry: 31 %call = invoke i32 @_Z3bari(i32 %x) 32 to label %invoke.cont unwind label %lpad 33 34invoke.cont: ; preds = %entry 35 %0 = load i32, i32* @gv, align 4 36 %add = add nsw i32 %0, %call 37 br label %return 38 39lpad: ; preds = %entry 40 %1 = landingpad { i8*, i32 } 41 catch i8* null 42 %2 = extractvalue { i8*, i32 } %1, 0 43 %3 = tail call i8* @__cxa_begin_catch(i8* %2) #3 44 tail call void @__cxa_end_catch() 45 br label %return 46 47return: ; preds = %lpad, %invoke.cont 48 %retval.0 = phi i32 [ %add, %invoke.cont ], [ 0, %lpad ] 49 ret i32 %retval.0 50} 51 52; The .xdata section below doesn't have the usual comdat symbol attached, which requires 53; a different syntax for the assembly output. 54 55; GNU: .section .text$_Z3fooi,"xr",discard,_Z3fooi 56; GNU: _Z3fooi: 57; GNU: .section .xdata$_Z3fooi,"dr" 58; GNU: .linkonce discard 59; GNU: GCC_except_table1: 60; GNU: .section .data$gv,"dw",discard,gv 61; GNU: gv: 62; GNU: .long 42 63 64; Make sure the assembler puts the .xdata and .pdata in sections with the right 65; names. 66; GNUOBJ: .text$_Z3fooi 67; GNUOBJ: .xdata$_Z3fooi 68; GNUOBJ: .data$gv 69; GNUOBJ: .pdata$_Z3fooi 70 71declare dso_local i32 @_Z3bari(i32) 72 73declare dso_local i32 @__gxx_personality_seh0(...) 74 75declare dso_local i8* @__cxa_begin_catch(i8*) local_unnamed_addr 76 77declare dso_local void @__cxa_end_catch() local_unnamed_addr 78 79attributes #0 = { norecurse uwtable } 80attributes #1 = { inlinehint uwtable } 81attributes #3 = { nounwind } 82