Move the personality function from LandingPadInst to Function

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

test/Transforms/RewriteStatepointsForGC/live-vector.ll

@@ -55,7 +55,7 @@ entry:
 declare i32 @fake_personality_function()
 
 ; When a statepoint is an invoke rather than a call
-define <2 x i64 addrspace(1)*> @test4(<2 x i64 addrspace(1)*>* %ptr) gc "statepoint-example" {
+define <2 x i64 addrspace(1)*> @test4(<2 x i64 addrspace(1)*>* %ptr) gc "statepoint-example" personality i32 ()* @fake_personality_function {
 ; CHECK-LABEL: test4
 ; CHECK: load
 ; CHECK-NEXT: extractelement
@@ -86,7 +86,7 @@ normal_return:                                    ; preds = %entry
 ; CHECK-NEXT: insertelement
 ; CHECK-NEXT: ret <2 x i64 addrspace(1)*> %14
 exceptional_return:                               ; preds = %entry
-  %landing_pad4 = landingpad { i8*, i32 } personality i32 ()* @fake_personality_function
+  %landing_pad4 = landingpad { i8*, i32 }
           cleanup
   ret <2 x i64 addrspace(1)*> %obj
 }

test/Transforms/RewriteStatepointsForGC/preprocess.ll

@@ -40,7 +40,7 @@ unreached:
 
 ; Need to delete unreachable gc.statepoint invoke - tested seperately given
 ; a correct implementation could only remove the instructions, not the block
-define void @test8() gc "statepoint-example" {
+define void @test8() gc "statepoint-example" personality i32 ()* undef {
 ; CHECK-LABEL: test8
 ; CHECK-NOT: gc.statepoint
   ret void
@@ -53,7 +53,7 @@ normal_return:                                    ; preds = %entry
   ret void
 
 exceptional_return:                               ; preds = %entry
-  %landing_pad4 = landingpad { i8*, i32 } personality i32 ()* undef
+  %landing_pad4 = landingpad { i8*, i32 }
           cleanup
   ret void
 }

test/Transforms/RewriteStatepointsForGC/relocate_invoke_result.ll

@@ -10,13 +10,13 @@ declare void @gc_call()
 declare i32* @fake_personality_function()
 
 ; Function Attrs: nounwind
-define i64* addrspace(1)* @test() gc "statepoint-example" {
+define i64* addrspace(1)* @test() gc "statepoint-example" personality i32* ()* @fake_personality_function {
 entry:
   %obj = invoke i64* addrspace(1)* @non_gc_call()
           to label %normal_dest unwind label %unwind_dest
 
 unwind_dest: 
-  %lpad = landingpad { i8*, i32 } personality i32* ()* @fake_personality_function
+  %lpad = landingpad { i8*, i32 }
           cleanup
   resume { i8*, i32 } undef
 

test/Transforms/RewriteStatepointsForGC/rematerialize-derived-pointers.ll

@@ -137,7 +137,7 @@ entry:
 
 declare i32 @fake_personality_function()
 
-define void @"test_invoke"(i32 addrspace(1)* %base) gc "statepoint-example" {
+define void @"test_invoke"(i32 addrspace(1)* %base) gc "statepoint-example" personality i32 ()* @fake_personality_function {
 ; CHECK-LABEL: test_invoke
 entry:
   %ptr.gep = getelementptr i32, i32 addrspace(1)* %base, i32 15
@@ -163,7 +163,7 @@ normal:
 
 exception:
   ; CHECK-LABEL: exception:
-  %landing_pad4 = landingpad { i8*, i32 } personality i32 ()* @fake_personality_function
+  %landing_pad4 = landingpad { i8*, i32 }
           cleanup
   ; CHECK: gc.relocate
   ; CHECK: bitcast