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Auto upgrade the old EH scheme to use the new one. This is on a trial basis. If

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things to disasterously over night, this can be reverted.

llvm-svn: 138702
This commit is contained in:
Bill Wendling 2011-08-27 06:11:03 +00:00
parent 65754eb3f7
commit b0412973be
3 changed files with 109 additions and 35 deletions
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3
lib/AsmParser/LLParser.cpp
View File

@ -120,6 +120,9 @@ bool LLParser::ValidateEndOfModule() {
for (Module::iterator FI = M->begin(), FE = M->end(); FI != FE; )
UpgradeCallsToIntrinsic(FI++); // must be post-increment, as we remove
// Upgrade to new EH scheme. N.B. This will go away in 3.1.
UpgradeExceptionHandling(M);
// Check debug info intrinsics.
CheckDebugInfoIntrinsics(M);
return false;

137
test/Transforms/Inline/inline_invoke.ll
View File

@ -99,18 +99,31 @@ eh.resume:
; CHECK: invoke void @_ZN1AC1Ev(%struct.A* [[B]])
; CHECK: invoke void @_ZN1AD1Ev(%struct.A* [[B]])
; CHECK: invoke void @_ZN1AD1Ev(%struct.A* [[A]])
; CHECK: call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* {{%.*}}, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i32 0, i8* bitcast (i8** @_ZTIi to i8*))
; CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
; CHECK-NEXT: cleanup
; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIi to i8*)
; CHECK-NEXT: extractvalue { i8*, i32 }
; CHECK-NEXT: extractvalue { i8*, i32 }
; CHECK-NEXT: store i8*
; CHECK-NEXT: store i32
; CHECK-NEXT: invoke void @_ZN1AD1Ev(%struct.A* [[A]])
; CHECK-NEXT: to label %[[LBL:[^\s]+]] unwind
; CHECK: [[LBL]]:
; CHECK-NEXT: load i8**
; CHECK-NEXT: load i32*
; CHECK-NEXT: insertvalue { i8*, i32 }
; CHECK-NEXT: insertvalue { i8*, i32 }
; CHECK-NEXT: br label %[[LPAD:[^\s]+]]
; CHECK: ret void
; CHECK: call i8* @llvm.eh.exception()
; CHECK-NEXT: call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* {{%.*}}, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i8* bitcast (i8** @_ZTIi to i8*))
; CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIi to i8*)
; CHECK-NEXT: br label %[[LPAD]]
; CHECK: [[LPAD]]:
; CHECK-NEXT: phi i8* [
; CHECK-NEXT: phi i32 [
; CHECK-NEXT: phi { i8*, i32 } [
; CHECK-NEXT: extractvalue { i8*, i32 }
; CHECK-NEXT: extractvalue { i8*, i32 }
; CHECK-NEXT: store i8*
; CHECK-NEXT: store i32
; CHECK-NEXT: call i32 @llvm.eh.typeid.for(
@ -165,11 +178,20 @@ eh.resume:
; Inner landing pad from first inlining.
; CHECK: [[LPAD1]]:
; CHECK-NEXT: [[EXN1:%.*]] = call i8* @llvm.eh.exception()
; CHECK-NEXT: [[SEL1:%.*]] = call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* [[EXN1]], i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i32 0, i8* bitcast (i8** @_ZTIi to i8*))
; CHECK-NEXT: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
; CHECK-NEXT: cleanup
; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIi to i8*)
; CHECK-NEXT: extractvalue { i8*, i32 }
; CHECK-NEXT: extractvalue { i8*, i32 }
; CHECK-NEXT: store i8*
; CHECK-NEXT: store i32
; CHECK-NEXT: invoke void @_ZN1AD1Ev(%struct.A* [[A1]])
; CHECK-NEXT: to label %[[RESUME1:[^\s]+]] unwind
; CHECK: [[RESUME1]]:
; CHECK-NEXT: load i8**
; CHECK-NEXT: load i32*
; CHECK-NEXT: insertvalue { i8*, i32 }
; CHECK-NEXT: [[LPADVAL1:%.*]] = insertvalue { i8*, i32 }
; CHECK-NEXT: br label %[[LPAD_JOIN1:[^\s]+]]
; CHECK: invoke void @_ZN1AC1Ev(%struct.A* [[A2]])
@ -183,11 +205,20 @@ eh.resume:
; Inner landing pad from second inlining.
; CHECK: [[LPAD2]]:
; CHECK-NEXT: [[EXN2:%.*]] = call i8* @llvm.eh.exception()
; CHECK-NEXT: [[SEL2:%.*]] = call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* [[EXN2]], i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i32 0, i8* bitcast (i8** @_ZTIi to i8*))
; CHECK-NEXT: [[LPADVAL2:%.*]] = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
; CHECK-NEXT: cleanup
; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIi to i8*)
; CHECK-NEXT: extractvalue { i8*, i32 } [[LPADVAL2]], 0
; CHECK-NEXT: extractvalue { i8*, i32 } [[LPADVAL2]], 1
; CHECK-NEXT: store i8*
; CHECK-NEXT: store i32
; CHECK-NEXT: invoke void @_ZN1AD1Ev(%struct.A* [[A2]])
; CHECK-NEXT: to label %[[RESUME2:[^\s]+]] unwind
; CHECK: [[RESUME2]]:
; CHECK-NEXT: load i8**
; CHECK-NEXT: load i32*
; CHECK-NEXT: insertvalue { i8*, i32 }
; CHECK-NEXT: [[LPADVAL2:%.*]] = insertvalue { i8*, i32 }
; CHECK-NEXT: br label %[[LPAD_JOIN2:[^\s]+]]
; CHECK: ret void
@ -195,29 +226,31 @@ eh.resume:
; CHECK: [[LPAD]]:
; CHECK-NEXT: [[X:%.*]] = phi i32 [ 0, %entry ], [ 0, {{%.*}} ], [ 1, %cont ], [ 1, {{%.*}} ]
; CHECK-NEXT: [[Y:%.*]] = phi i32 [ 1, %entry ], [ 1, {{%.*}} ], [ 4, %cont ], [ 4, {{%.*}} ]
; CHECK-NEXT: [[EXN:%.*]] = call i8* @llvm.eh.exception()
; CHECK-NEXT: [[SEL:%.*]] = call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* [[EXN]], i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i8* bitcast (i8** @_ZTIi to i8*))
; CHECK-NEXT: [[LPADVAL:%.*]] = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIi to i8*)
; CHECK-NEXT: br label %[[LPAD_JOIN2]]
; CHECK: [[LPAD_JOIN2]]:
; CHECK-NEXT: [[XJ2:%.*]] = phi i32 [ [[X]], %[[LPAD]] ], [ 1, %[[RESUME2]] ]
; CHECK-NEXT: [[YJ2:%.*]] = phi i32 [ [[Y]], %[[LPAD]] ], [ 4, %[[RESUME2]] ]
; CHECK-NEXT: [[EXNJ2:%.*]] = phi i8* [ [[EXN]], %[[LPAD]] ], [ [[EXN2]], %[[RESUME2]] ]
; CHECK-NEXT: [[SELJ2:%.*]] = phi i32 [ [[SEL]], %[[LPAD]] ], [ [[SEL2]], %[[RESUME2]] ]
; CHECK-NEXT: [[EXNJ2:%.*]] = phi { i8*, i32 } [ [[LPADVAL]], %[[LPAD]] ], [ [[LPADVAL2]], %[[RESUME2]] ]
; CHECK-NEXT: br label %[[LPAD_JOIN1]]
; CHECK: [[LPAD_JOIN1]]:
; CHECK-NEXT: [[XJ1:%.*]] = phi i32 [ [[XJ2]], %[[LPAD_JOIN2]] ], [ 0, %[[RESUME1]] ]
; CHECK-NEXT: [[YJ1:%.*]] = phi i32 [ [[YJ2]], %[[LPAD_JOIN2]] ], [ 1, %[[RESUME1]] ]
; CHECK-NEXT: [[EXNJ1:%.*]] = phi i8* [ [[EXNJ2]], %[[LPAD_JOIN2]] ], [ [[EXN1]], %[[RESUME1]] ]
; CHECK-NEXT: [[SELJ1:%.*]] = phi i32 [ [[SELJ2]], %[[LPAD_JOIN2]] ], [ [[SEL1]], %[[RESUME1]] ]
; CHECK-NEXT: [[EXNJ1:%.*]] = phi { i8*, i32 } [ [[EXNJ2]], %[[LPAD_JOIN2]] ], [ [[LPADVAL1]], %[[RESUME1]] ]
; CHECK-NEXT: extractvalue { i8*, i32 } [[EXNJ1]], 0
; CHECK-NEXT: [[SELJ1:%.*]] = extractvalue { i8*, i32 } [[EXNJ1]], 1
; CHECK-NEXT: store i8*
; CHECK-NEXT: store i32
; CHECK-NEXT: [[T:%.*]] = call i32 @llvm.eh.typeid.for(
; CHECK-NEXT: icmp eq i32 [[SELJ1]], [[T]]
; CHECK: call void @use(i32 [[XJ1]])
; CHECK: call void @use(i32 [[YJ1]])
; CHECK: call void @llvm.eh.resume(i8* [[EXNJ1]], i32 [[SELJ1]])
; CHECK: resume { i8*, i32 }
;; Test 2 - Don't make invalid IR for inlines into landing pads without eh.exception calls
@ -230,6 +263,8 @@ ret:
ret void
lpad:
%exn = call i8* @llvm.eh.exception() nounwind
%eh.selector = call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* %exn, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i32 0) nounwind
call void @_ZSt9terminatev()
unreachable
}
@ -267,14 +302,27 @@ lpad.cont:
}
; CHECK: define void @test3_out()
; CHECK: call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* {{%.*}}, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i32 0, i8* bitcast (i8** @_ZTIi to i8*))
; CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
; CHECK-NEXT: cleanup
; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIi to i8*)
; CHECK-NEXT: extractvalue { i8*, i32 }
; CHECK-NEXT: extractvalue { i8*, i32 }
; CHECK-NEXT: store i8*
; CHECK-NEXT: store i32
; CHECK-NEXT: invoke void @_ZN1AD1Ev(
; CHECK-NEXT: to label %[[L:[^\s]+]] unwind
; CHECK: [[L]]:
; CHECK-NEXT: load i8**
; CHECK-NEXT: load i32*
; CHECK-NEXT: insertvalue { i8*, i32 }
; CHECK-NEXT: insertvalue { i8*, i32 }
; CHECK-NEXT: br label %[[JOIN:[^\s]+]]
; CHECK: [[JOIN]]:
; CHECK-NEXT: phi
; CHECK-NEXT: phi
; CHECK-NEXT: phi { i8*, i32 }
; CHECK-NEXT: extractvalue { i8*, i32 }
; CHECK-NEXT: extractvalue { i8*, i32 }
; CHECK-NEXT: store i8*
; CHECK-NEXT: store i32
; CHECK-NEXT: br label %lpad.cont
; CHECK: lpad.cont:
; CHECK-NEXT: call void @_ZSt9terminatev()
@ -294,43 +342,62 @@ ret:
ret void
lpad.crit:
call void @opaque() nounwind
br label %lpad
lpad:
%phi = phi i32 [ 0, %lpad.crit ], [ 1, %cont ]
%exn = call i8* @llvm.eh.exception() nounwind
%eh.selector = call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* %exn, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i8* bitcast (i8** @_ZTIi to i8*)) nounwind
call void @opaque() nounwind
br label %terminate
lpad:
%exn2 = call i8* @llvm.eh.exception() nounwind
%eh.selector2 = call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* %exn2, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i8* bitcast (i8** @_ZTIi to i8*)) nounwind
br label %terminate
terminate:
%phi = phi i32 [ 0, %lpad.crit ], [ 1, %lpad ]
call void @use(i32 %phi)
call void @_ZSt9terminatev()
unreachable
}
; CHECK: define void @test4_out()
; CHECK: call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* {{%.*}}, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i32 0, i8* bitcast (i8** @_ZTIi to i8*))
; CHECK: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
; CHECK-NEXT: cleanup
; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIi to i8*)
; CHECK-NEXT: extractvalue { i8*, i32 }
; CHECK-NEXT: extractvalue { i8*, i32 }
; CHECK-NEXT: store i8*
; CHECK-NEXT: store i32
; CHECK-NEXT: invoke void @_ZN1AD1Ev(
; CHECK-NEXT: to label %[[L:[^\s]+]] unwind
; CHECK: [[L]]:
; CHECK-NEXT: load i8**
; CHECK-NEXT: load i32*
; CHECK-NEXT: insertvalue { i8*, i32 }
; CHECK-NEXT: insertvalue { i8*, i32 }
; CHECK-NEXT: br label %[[JOIN:[^\s]+]]
; CHECK: invoke void @opaque()
; CHECK-NEXT: unwind label %lpad
; CHECK: lpad.crit:
; CHECK-NEXT: call i8* @llvm.eh.exception()
; CHECK-NEXT: call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* %4, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i8* bitcast (i8** @_ZTIi to i8*))
; CHECK-NEXT: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIi to i8*)
; CHECK-NEXT: br label %[[JOIN]]
; CHECK: [[JOIN]]:
; CHECK-NEXT: phi i8*
; CHECK-NEXT: phi i32
; CHECK-NEXT: phi { i8*, i32 }
; CHECK-NEXT: extractvalue { i8*, i32 } %{{.*}}, 0
; CHECK-NEXT: extractvalue { i8*, i32 } %{{.*}}, 1
; CHECK-NEXT: store i8*
; CHECK-NEXT: store i32
; CHECK-NEXT: call void @opaque() nounwind
; CHECK-NEXT: br label %[[FIX:[^\s]+]]
; CHECK: lpad:
; CHECK-NEXT: [[T0:%.*]] = phi i32 [ 1, %cont ]
; CHECK-NEXT: call i8* @llvm.eh.exception() nounwind
; CHECK-NEXT: call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* %exn, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i8* bitcast (i8** @_ZTIi to i8*))
; CHECK-NEXT: landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIi to i8*)
; CHECK-NEXT: extractvalue { i8*, i32 } %{{.*}}, 0
; CHECK-NEXT: extractvalue { i8*, i32 } %{{.*}}, 1
; CHECK-NEXT: store i8*
; CHECK-NEXT: store i32
; CHECK-NEXT: br label %[[FIX]]
; CHECK: [[FIX]]:
; CHECK-NEXT: [[T1:%.*]] = phi i32 [ [[T0]], %lpad ], [ 0, %[[JOIN]] ]
; CHECK-NEXT: phi i8*
; CHECK-NEXT: phi i32
; CHECK-NEXT: [[T1:%.*]] = phi i32 [ 0, %[[JOIN]] ], [ 1, %lpad ]
; CHECK-NEXT: call void @use(i32 [[T1]])
; CHECK-NEXT: call void @_ZSt9terminatev()

4
test/Transforms/InstCombine/crash.ll
View File

@ -135,6 +135,8 @@ define void @test5() {
store i1 true, i1* undef
%1 = invoke i32 @test5a() to label %exit unwind label %exit
exit:
%exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0
cleanup
ret void
}
@ -219,6 +221,8 @@ invoke.cont: ; preds = %entry
unreachable
try.handler: ; preds = %entry
%exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0
catch i8* null
ret i8* %self
}