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| ; RUN: llc < %s | FileCheck %s
target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
target triple = "x86_64-pc-windows-msvc"
declare void @throw()
declare i32 @__CxxFrameHandler3(...)
declare void @llvm.trap()
define void @test1() personality i32 (...)* @__CxxFrameHandler3 {
entry:
%alloca2 = alloca i8*, align 4
%alloca1 = alloca i8*, align 4
store volatile i8* null, i8** %alloca1
invoke void @throw()
to label %unreachable unwind label %catch.dispatch
; CHECK-LABEL: test1:
; CHECK: movq $0, -8(%rbp)
; CHECK: callq throw
catch.dispatch: ; preds = %entry
%cs = catchswitch within none [label %catch.pad] unwind to caller
catch.pad: ; preds = %catch.dispatch
%cp = catchpad within %cs [i8* null, i32 0, i8** %alloca1]
store volatile i8* null, i8** %alloca1
%bc1 = bitcast i8** %alloca1 to i8*
call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %bc1)
%bc2 = bitcast i8** %alloca2 to i8*
call void @llvm.lifetime.start.p0i8(i64 4, i8* %bc2)
store volatile i8* null, i8** %alloca1
call void @llvm.trap()
unreachable
; CHECK-LABEL: "?catch$2@?0?test1@4HA"
; CHECK: movq $0, -8(%rbp)
; CHECK: movq $0, -8(%rbp)
; CHECK: ud2
unreachable: ; preds = %entry
unreachable
}
; CHECK-LABEL: $cppxdata$test1:
; CHECK: .long 56 # CatchObjOffset
define void @test2() personality i32 (...)* @__CxxFrameHandler3 {
entry:
%alloca2 = alloca i8*, align 4
%alloca1 = alloca i8*, align 4
store volatile i8* null, i8** %alloca1
invoke void @throw()
to label %unreachable unwind label %catch.dispatch
; CHECK-LABEL: test2:
; CHECK: movq $0, -16(%rbp)
; CHECK: callq throw
catch.dispatch: ; preds = %entry
%cs = catchswitch within none [label %catch.pad] unwind to caller
catch.pad: ; preds = %catch.dispatch
%cp = catchpad within %cs [i8* null, i32 0, i8** null]
store volatile i8* null, i8** %alloca1
%bc1 = bitcast i8** %alloca1 to i8*
call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %bc1)
%bc2 = bitcast i8** %alloca2 to i8*
call void @llvm.lifetime.start.p0i8(i64 4, i8* %bc2)
store volatile i8* null, i8** %alloca1
call void @llvm.trap()
unreachable
; CHECK-LABEL: "?catch$2@?0?test2@4HA"
; CHECK: movq $0, -16(%rbp)
; CHECK: movq $0, -16(%rbp)
; CHECK: ud2
unreachable: ; preds = %entry
unreachable
}
; CHECK-LABEL: $cppxdata$test2:
; CHECK: .long 0 # CatchObjOffset
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #0
; Function Attrs: argmemonly nounwind
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #0
attributes #0 = { argmemonly nounwind }
|