catchpad-dynamic-alloca.ll
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; RUN: llc < %s | FileCheck %s
target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc"
declare void @rt_init()
declare i32 @__CxxFrameHandler3(...)
define void @test1(void ()* %fp, i64 %n) personality i32 (...)* @__CxxFrameHandler3 {
entry:
%t.i = alloca i8*
%t.ii = alloca i8
%.alloca8 = alloca i8, i64 %n
store volatile i8 0, i8* %t.ii
store volatile i8 0, i8* %.alloca8
invoke void @rt_init()
to label %try.cont unwind label %catch.switch
try.cont:
invoke void %fp()
to label %exit unwind label %catch.switch
exit:
ret void
catch.pad:
%cp = catchpad within %cs [i8* null, i32 0, i8** %t.i]
catchret from %cp to label %exit
catch.switch:
%cs = catchswitch within none [label %catch.pad] unwind to caller
}
; CHECK-LABEL: $handlerMap$0$test1:
; CHECK: .long 0
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long 16
define void @test2(void ()* %fp, i64 %n) personality i32 (...)* @__CxxFrameHandler3 {
entry:
%t.i = alloca i128
%.alloca8 = alloca i8, i64 %n
store volatile i8 0, i8* %.alloca8
invoke void @rt_init()
to label %try.cont unwind label %catch.switch
try.cont:
invoke void %fp()
to label %exit unwind label %catch.switch
exit:
ret void
catch.pad:
%cp = catchpad within %cs [i8* null, i32 0, i128* %t.i]
catchret from %cp to label %exit
catch.switch:
%cs = catchswitch within none [label %catch.pad] unwind to caller
}
; CHECK-LABEL: $handlerMap$0$test2:
; CHECK: .long 0
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long 8