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author | Bill Wendling <isanbard@gmail.com> | 2011-10-17 21:20:24 +0000 |
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committer | Bill Wendling <isanbard@gmail.com> | 2011-10-17 21:20:24 +0000 |
commit | 76f267df17b601a87b3d89e718891f7ed2a5be46 (patch) | |
tree | 80ef9bf8bf75242004a731548d61d74001f5e5cc /test | |
parent | 6f9c28060f3630a1838ca5b0b3cee87d184937cf (diff) | |
download | llvm-76f267df17b601a87b3d89e718891f7ed2a5be46.tar.gz llvm-76f267df17b601a87b3d89e718891f7ed2a5be46.tar.bz2 llvm-76f267df17b601a87b3d89e718891f7ed2a5be46.tar.xz |
Add support for the Objective-C personality function to the instruction
combining of the landingpad instruction. The ObjC personality function acts
almost identically to the C++ personality function. In particular, it uses
"null" as a "catch-all" value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142256 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/Transforms/InstCombine/LandingPadClauses.ll | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/LandingPadClauses.ll b/test/Transforms/InstCombine/LandingPadClauses.ll index 055bdcc81b..de3b2d34fb 100644 --- a/test/Transforms/InstCombine/LandingPadClauses.ll +++ b/test/Transforms/InstCombine/LandingPadClauses.ll @@ -6,6 +6,7 @@ declare i32 @generic_personality(i32, i64, i8*, i8*) declare i32 @__gxx_personality_v0(i32, i64, i8*, i8*) +declare i32 @__objc_personality_v0(i32, i64, i8*, i8*) declare void @bar() @@ -179,3 +180,54 @@ lpad.d: ; CHECK-NEXT: null ; CHECK-NEXT: unreachable } + +define void @foo_objc() { +; CHECK: @foo_objc + invoke void @bar() + to label %cont.a unwind label %lpad.a +cont.a: + invoke void @bar() + to label %cont.b unwind label %lpad.b +cont.b: + invoke void @bar() + to label %cont.c unwind label %lpad.c +cont.c: + invoke void @bar() + to label %cont.d unwind label %lpad.d +cont.d: + ret void + +lpad.a: + %a = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__objc_personality_v0 + catch i32* null + catch i32* @T1 + unreachable +; CHECK: %a = landingpad +; CHECK-NEXT: null +; CHECK-NEXT: unreachable + +lpad.b: + %b = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__objc_personality_v0 + filter [1 x i32*] zeroinitializer + unreachable +; CHECK: %b = landingpad +; CHECK-NEXT: cleanup +; CHECK-NEXT: unreachable + +lpad.c: + %c = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__objc_personality_v0 + filter [2 x i32*] [i32* @T1, i32* null] + unreachable +; CHECK: %c = landingpad +; CHECK-NEXT: cleanup +; CHECK-NEXT: unreachable + +lpad.d: + %d = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__objc_personality_v0 + cleanup + catch i32* null + unreachable +; CHECK: %d = landingpad +; CHECK-NEXT: null +; CHECK-NEXT: unreachable +} |