forked from OSchip/llvm-project
104 lines
3.6 KiB
LLVM
104 lines
3.6 KiB
LLVM
; RUN: llc %s -o - | FileCheck %s
|
|
|
|
; ModuleID = 'throws-cfi-fp.cpp'
|
|
source_filename = "throws-cfi-fp.cpp"
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
$__clang_call_terminate = comdat any
|
|
|
|
@_ZL11ShouldThrow = internal unnamed_addr global i1 false, align 1
|
|
@_ZTIi = external constant i8*
|
|
@str = private unnamed_addr constant [20 x i8] c"Threw an exception!\00"
|
|
|
|
; Function Attrs: uwtable
|
|
define void @_Z6throwsv() #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
|
|
|
|
; CHECK-LABEL: _Z6throwsv:
|
|
; CHECK: popq %rbp
|
|
; CHECK-NEXT: :
|
|
; CHECK-NEXT: .cfi_def_cfa %rsp, 8
|
|
; CHECK-NEXT: retq
|
|
; CHECK-NEXT: .LBB0_1:
|
|
; CHECK-NEXT: :
|
|
; CHECK-NEXT: .cfi_def_cfa %rbp, 16
|
|
|
|
entry:
|
|
%.b5 = load i1, i1* @_ZL11ShouldThrow, align 1
|
|
br i1 %.b5, label %if.then, label %try.cont
|
|
|
|
if.then: ; preds = %entry
|
|
%exception = tail call i8* @__cxa_allocate_exception(i64 4)
|
|
%0 = bitcast i8* %exception to i32*
|
|
store i32 1, i32* %0, align 16
|
|
invoke void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null)
|
|
to label %unreachable unwind label %lpad
|
|
|
|
lpad: ; preds = %if.then
|
|
%1 = landingpad { i8*, i32 }
|
|
catch i8* null
|
|
%2 = extractvalue { i8*, i32 } %1, 0
|
|
%3 = tail call i8* @__cxa_begin_catch(i8* %2)
|
|
%puts = tail call i32 @puts(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @str, i64 0, i64 0))
|
|
invoke void @__cxa_rethrow() #4
|
|
to label %unreachable unwind label %lpad1
|
|
|
|
lpad1: ; preds = %lpad
|
|
%4 = landingpad { i8*, i32 }
|
|
cleanup
|
|
invoke void @__cxa_end_catch()
|
|
to label %eh.resume unwind label %terminate.lpad
|
|
|
|
try.cont: ; preds = %entry
|
|
ret void
|
|
|
|
eh.resume: ; preds = %lpad1
|
|
resume { i8*, i32 } %4
|
|
|
|
terminate.lpad: ; preds = %lpad1
|
|
%5 = landingpad { i8*, i32 }
|
|
catch i8* null
|
|
%6 = extractvalue { i8*, i32 } %5, 0
|
|
tail call void @__clang_call_terminate(i8* %6) #5
|
|
unreachable
|
|
|
|
unreachable: ; preds = %lpad, %if.then
|
|
unreachable
|
|
}
|
|
|
|
declare i8* @__cxa_allocate_exception(i64)
|
|
|
|
declare void @__cxa_throw(i8*, i8*, i8*)
|
|
|
|
declare i32 @__gxx_personality_v0(...)
|
|
|
|
declare i8* @__cxa_begin_catch(i8*)
|
|
|
|
declare void @__cxa_rethrow()
|
|
|
|
declare void @__cxa_end_catch()
|
|
|
|
; Function Attrs: noinline noreturn nounwind
|
|
declare void @__clang_call_terminate(i8*)
|
|
|
|
declare void @_ZSt9terminatev()
|
|
|
|
; Function Attrs: nounwind
|
|
declare i32 @puts(i8* nocapture readonly) #3
|
|
|
|
attributes #0 = { "no-frame-pointer-elim"="true" }
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!7, !8, !9}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 5.0.0 (http://llvm.org/git/clang.git 3f8116e6a2815b1d5f3491493938d0c63c9f42c9) (http://llvm.org/git/llvm.git 4fde77f8f1a8e4482e69b6a7484bc7d1b99b3c0a)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3)
|
|
!1 = !DIFile(filename: "throws-cfi-fp.cpp", directory: "epilogue-dwarf/test")
|
|
!2 = !{}
|
|
!3 = !{!4}
|
|
!4 = !DIGlobalVariableExpression(var: !5)
|
|
!5 = distinct !DIGlobalVariable(name: "ShouldThrow", linkageName: "_ZL11ShouldThrow", scope: !0, file: !1, line: 2, type: !6, isLocal: true, isDefinition: true)
|
|
!6 = !DIBasicType(name: "bool", size: 8, encoding: DW_ATE_boolean)
|
|
!7 = !{i32 2, !"Dwarf Version", i32 4}
|
|
!8 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!9 = !{i32 1, !"wchar_size", i32 4}
|