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Move the personality function from LandingPadInst to Function

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The personality routine currently lives in the LandingPadInst.

This isn't desirable because:
- All LandingPadInsts in the same function must have the same
  personality routine.  This means that each LandingPadInst beyond the
  first has an operand which produces no additional information.

- There is ongoing work to introduce EH IR constructs other than
  LandingPadInst.  Moving the personality routine off of any one
  particular Instruction and onto the parent function seems a lot better
  than have N different places a personality function can sneak onto an
  exceptional function.

Differential Revision: http://reviews.llvm.org/D10429

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239940 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Majnemer
2015-06-17 20:52:32 +00:00
parent 4412d4b51f
commit cc714e2142
313 changed files with 1350 additions and 1258 deletions
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6
test/CodeGen/WinEH/cppeh-nonalloca-frame-values.ll
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@@ -72,7 +72,7 @@ $"\01??_R0H@8" = comdat any
; CHECK: br label %for.body
; Function Attrs: uwtable
define void @"\01?test@@YAXXZ"() #0 {
define void @"\01?test@@YAXXZ"() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
entry:
%e = alloca i32, align 4
%ExceptionVal = alloca [10 x i32], align 16
@@ -112,13 +112,13 @@ invoke.cont: ; preds = %for.body
br label %try.cont
; CHECK: [[LPAD_LABEL:lpad[0-9]*]]:{{[ ]+}}; preds = %for.body
; CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
; CHECK: landingpad { i8*, i32 }
; CHECK-NEXT: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
; CHECK-NEXT: [[RECOVER:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*), i32 0, i8* (i8*, i8*)* @"\01?test@@YAXXZ.catch")
; CHECK-NEXT: indirectbr i8* [[RECOVER]], [label %[[SPLIT_RECOVER_BB:.*]]]
lpad: ; preds = %for.body
%2 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
%2 = landingpad { i8*, i32 }
catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
%3 = extractvalue { i8*, i32 } %2, 1
%4 = tail call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #1