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 $gv = comdat any 16 17 @gv = weak_odr dso_local global i32 42, comdat, align 4 18 19 ; Function Attrs: norecurse uwtable 20 define dso_local i32 @main() #0 { 21 entry: 22 %call = tail call i32 @_Z3fooi(i32 1) 23 ret i32 %call 24 } 25 26 ; GNU: main: 27 28 ; Function Attrs: inlinehint uwtable 29 define linkonce_odr dso_local i32 @_Z3fooi(i32 %x) #1 comdat personality i8* bitcast (i32 (...)* @__gxx_personality_seh0 to i8*) { 30 entry: 31 %call = invoke i32 @_Z3bari(i32 %x) 32 to label %invoke.cont unwind label %lpad 33 34 invoke.cont: ; preds = %entry 35 %0 = load i32, i32* @gv, align 4 36 %add = add nsw i32 %0, %call 37 br label %return 38 39 lpad: ; preds = %entry 40 %1 = landingpad { i8*, i32 } 41 catch i8* null 42 %2 = extractvalue { i8*, i32 } %1, 0 43 %3 = tail call i8* @__cxa_begin_catch(i8* %2) #3 44 tail call void @__cxa_end_catch() 45 br label %return 46 47 return: ; preds = %lpad, %invoke.cont 48 %retval.0 = phi i32 [ %add, %invoke.cont ], [ 0, %lpad ] 49 ret i32 %retval.0 50 } 51 52 ; The .xdata section below doesn't have the usual comdat symbol attached, which requires 53 ; a different syntax for the assembly output. 54 55 ; GNU: .section .text$_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 71 declare dso_local i32 @_Z3bari(i32) 72 73 declare dso_local i32 @__gxx_personality_seh0(...) 74 75 declare dso_local i8* @__cxa_begin_catch(i8*) local_unnamed_addr 76 77 declare dso_local void @__cxa_end_catch() local_unnamed_addr 78 79 attributes #0 = { norecurse uwtable } 80 attributes #1 = { inlinehint uwtable } 81 attributes #3 = { nounwind } 82
