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On Darwin ARM, set the UNWIND_RESUME libcall to _Unwind_SjLj_Resume.

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This is important for the correct lowering of unwind instructions
(which doesn't matter at all) and llvm.eh.resume calls (which does).

Take 2, now with more basic competence.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132295 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
John McCall 2011-05-29 19:50:32 +00:00
parent fe754ab90a
commit 5f8fd54f08
2 changed files with 30 additions and 0 deletions
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1
lib/Target/ARM/ARMISelLowering.cpp
View File

@ -656,6 +656,7 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
setOperationAction(ISD::EH_SJLJ_SETJMP, MVT::i32, Custom);
setOperationAction(ISD::EH_SJLJ_LONGJMP, MVT::Other, Custom);
setOperationAction(ISD::EH_SJLJ_DISPATCHSETUP, MVT::Other, Custom);
setLibcallName(RTLIB::UNWIND_RESUME, "_Unwind_SjLj_Resume");
}
setOperationAction(ISD::SETCC, MVT::i32, Expand);

29
test/CodeGen/ARM/eh-resume-darwin.ll Normal file
View File

@ -0,0 +1,29 @@
; RUN: llc < %s -march=arm | FileCheck %s
target triple = "armv6-apple-macosx10.6"
declare void @func()
declare i8* @llvm.eh.exception() nounwind readonly
declare i32 @llvm.eh.selector(i8*, i8*, ...) nounwind
declare void @llvm.eh.resume(i8*, i32)
declare i32 @__gxx_personality_sj0(...)
define void @test0() {
entry:
invoke void @func()
to label %cont unwind label %lpad
cont:
ret void
lpad:
%exn = call i8* @llvm.eh.exception()
%sel = call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* %exn, i8* bitcast (i32 (...)* @__gxx_personality_sj0 to i8*), i32 0)
call void @llvm.eh.resume(i8* %exn, i32 %sel) noreturn
unreachable
}
; CHECK: __Unwind_SjLj_Resume