82 lines
2.5 KiB
LLVM
82 lines
2.5 KiB
LLVM
; RUN: llc -mtriple=x86_64-w64-windows-gnu < %s | FileCheck %s --check-prefix=GNU
|
|
; RUN: llc -mtriple=x86_64-w64-windows-gnu < %s -filetype=obj | llvm-objdump - --headers | FileCheck %s --check-prefix=GNUOBJ
|
|
|
|
; When doing GCC style comdats for MinGW, the .xdata sections don't have a normal comdat
|
|
; symbol attached, which requires a bit of adjustments for the assembler output.
|
|
|
|
; Generated with this C++ source:
|
|
; int bar(int);
|
|
; __declspec(selectany) int gv = 42;
|
|
; inline int foo(int x) { try { return bar(x) + gv; } catch (...) { return 0; } }
|
|
; int main() { return foo(1); }
|
|
|
|
$_Z3fooi = comdat any
|
|
|
|
$gv = comdat any
|
|
|
|
@gv = weak_odr dso_local global i32 42, comdat, align 4
|
|
|
|
; Function Attrs: norecurse uwtable
|
|
define dso_local i32 @main() #0 {
|
|
entry:
|
|
%call = tail call i32 @_Z3fooi(i32 1)
|
|
ret i32 %call
|
|
}
|
|
|
|
; GNU: main:
|
|
|
|
; Function Attrs: inlinehint uwtable
|
|
define linkonce_odr dso_local i32 @_Z3fooi(i32 %x) #1 comdat personality i8* bitcast (i32 (...)* @__gxx_personality_seh0 to i8*) {
|
|
entry:
|
|
%call = invoke i32 @_Z3bari(i32 %x)
|
|
to label %invoke.cont unwind label %lpad
|
|
|
|
invoke.cont: ; preds = %entry
|
|
%0 = load i32, i32* @gv, align 4
|
|
%add = add nsw i32 %0, %call
|
|
br label %return
|
|
|
|
lpad: ; preds = %entry
|
|
%1 = landingpad { i8*, i32 }
|
|
catch i8* null
|
|
%2 = extractvalue { i8*, i32 } %1, 0
|
|
%3 = tail call i8* @__cxa_begin_catch(i8* %2) #3
|
|
tail call void @__cxa_end_catch()
|
|
br label %return
|
|
|
|
return: ; preds = %lpad, %invoke.cont
|
|
%retval.0 = phi i32 [ %add, %invoke.cont ], [ 0, %lpad ]
|
|
ret i32 %retval.0
|
|
}
|
|
|
|
; The .xdata section below doesn't have the usual comdat symbol attached, which requires
|
|
; a different syntax for the assembly output.
|
|
|
|
; GNU: .section .text$_Z3fooi,"xr",discard,_Z3fooi
|
|
; GNU: _Z3fooi:
|
|
; GNU: .section .xdata$_Z3fooi,"dr"
|
|
; GNU: .linkonce discard
|
|
; GNU: GCC_except_table1:
|
|
; GNU: .section .data$gv,"dw",discard,gv
|
|
; GNU: gv:
|
|
; GNU: .long 42
|
|
|
|
; Make sure the assembler puts the .xdata and .pdata in sections with the right
|
|
; names.
|
|
; GNUOBJ: .text$_Z3fooi
|
|
; GNUOBJ: .xdata$_Z3fooi
|
|
; GNUOBJ: .data$gv
|
|
; GNUOBJ: .pdata$_Z3fooi
|
|
|
|
declare dso_local i32 @_Z3bari(i32)
|
|
|
|
declare dso_local i32 @__gxx_personality_seh0(...)
|
|
|
|
declare dso_local i8* @__cxa_begin_catch(i8*) local_unnamed_addr
|
|
|
|
declare dso_local void @__cxa_end_catch() local_unnamed_addr
|
|
|
|
attributes #0 = { norecurse uwtable }
|
|
attributes #1 = { inlinehint uwtable }
|
|
attributes #3 = { nounwind }
|