103 lines
3.4 KiB
LLVM
103 lines
3.4 KiB
LLVM
; RUN: llc %s -o - | FileCheck %s
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; RUN: llc < %s -stop-after=prologepilog | FileCheck %s --check-prefix=PEI
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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$__clang_call_terminate = comdat any
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@_ZL11ShouldThrow = internal unnamed_addr global i1 false, align 1
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@_ZTIi = external constant ptr
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@str = private unnamed_addr constant [20 x i8] c"Threw an exception!\00"
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; Function Attrs: uwtable
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define void @_Z6throwsv() #0 personality ptr @__gxx_personality_v0 {
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; CHECK-LABEL: _Z6throwsv:
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; CHECK: popq %rbp
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; CHECK-NEXT: .cfi_def_cfa %rsp, 8
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; CHECK-NEXT: retq
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; CHECK-NEXT: .LBB0_1:
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; CHECK-NEXT: .cfi_def_cfa %rbp, 16
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; PEI-LABEL: name: _Z6throwsv
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; PEI: frame-setup PUSH64r killed $rbp, implicit-def $rsp, implicit $rsp
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; PEI-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16
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; PEI-NEXT: frame-setup CFI_INSTRUCTION offset $rbp, -16
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; PEI-NEXT: $rbp = frame-setup MOV64rr $rsp
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; PEI-NEXT: frame-setup CFI_INSTRUCTION def_cfa_register $rbp
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; PEI-NEXT: frame-setup PUSH64r killed $rbx, implicit-def $rsp, implicit $rsp
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; PEI-NEXT: frame-setup PUSH64r undef $rax, implicit-def $rsp, implicit $rsp
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; PEI-NEXT: {{^ +}}CFI_INSTRUCTION offset $rbx, -24
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; PEI: bb.4.try.cont:
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; PEI-NEXT: $rsp = frame-destroy ADD64ri8 $rsp, 8, implicit-def dead $eflags
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; PEI-NEXT: $rbx = frame-destroy POP64r implicit-def $rsp, implicit $rsp
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; PEI-NEXT: $rbp = frame-destroy POP64r implicit-def $rsp, implicit $rsp
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; PEI-NEXT: frame-destroy CFI_INSTRUCTION def_cfa $rsp, 8
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; PEI-NEXT: RET 0
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entry:
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%.b5 = load i1, ptr @_ZL11ShouldThrow, align 1
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br i1 %.b5, label %if.then, label %try.cont
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if.then: ; preds = %entry
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%exception = tail call ptr @__cxa_allocate_exception(i64 4)
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store i32 1, ptr %exception, align 16
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invoke void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null)
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to label %unreachable unwind label %lpad
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lpad: ; preds = %if.then
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%0 = landingpad { ptr, i32 }
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catch ptr null
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%1 = extractvalue { ptr, i32 } %0, 0
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%2 = tail call ptr @__cxa_begin_catch(ptr %1)
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%puts = tail call i32 @puts(ptr @str)
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invoke void @__cxa_rethrow()
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to label %unreachable unwind label %lpad1
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lpad1: ; preds = %lpad
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%3 = landingpad { ptr, i32 }
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cleanup
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invoke void @__cxa_end_catch()
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to label %eh.resume unwind label %terminate.lpad
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try.cont: ; preds = %entry
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ret void
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eh.resume: ; preds = %lpad1
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resume { ptr, i32 } %3
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terminate.lpad: ; preds = %lpad1
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%4 = landingpad { ptr, i32 }
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catch ptr null
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%5 = extractvalue { ptr, i32 } %4, 0
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tail call void @__clang_call_terminate(ptr %5)
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unreachable
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unreachable: ; preds = %lpad, %if.then
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unreachable
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}
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declare ptr @__cxa_allocate_exception(i64)
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declare void @__cxa_throw(ptr, ptr, ptr)
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declare i32 @__gxx_personality_v0(...)
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declare ptr @__cxa_begin_catch(ptr)
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declare void @__cxa_rethrow()
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declare void @__cxa_end_catch()
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; Function Attrs: noinline noreturn nounwind
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declare void @__clang_call_terminate(ptr)
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declare void @_ZSt9terminatev()
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; Function Attrs: nounwind
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declare i32 @puts(ptr nocapture readonly)
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attributes #0 = { "frame-pointer"="all" }
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