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| author | Nuno Lopes <nunoplopes@sapo.pt> | 2012-06-21 21:25:05 +0000 |
|---|---|---|
| committer | Nuno Lopes <nunoplopes@sapo.pt> | 2012-06-21 21:25:05 +0000 |
| commit | 2b3e9580536dfb5666b9d91e99baebf6d45bfa5f (patch) | |
| tree | e7fda8237bde8672db2d797f4327493186bc57c0 /test/Transforms | |
| parent | 54c5bc87992ebeaa9e71f2bfb60ac5cf74b77db3 (diff) | |
| download | external_llvm-2b3e9580536dfb5666b9d91e99baebf6d45bfa5f.zip external_llvm-2b3e9580536dfb5666b9d91e99baebf6d45bfa5f.tar.gz external_llvm-2b3e9580536dfb5666b9d91e99baebf6d45bfa5f.tar.bz2 | |
Add support for invoke to the MemoryBuiltin analysid.
Update comments accordingly.
Make instcombine remove useless invokes to C++'s 'new' allocation function (test attached).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158937 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/InstCombine/objsize-64.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/objsize-64.ll b/test/Transforms/InstCombine/objsize-64.ll index d903f1e..77b43ec 100644 --- a/test/Transforms/InstCombine/objsize-64.ll +++ b/test/Transforms/InstCombine/objsize-64.ll @@ -2,6 +2,9 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" declare noalias i8* @malloc(i32) nounwind +declare noalias i8* @_Znwm(i64) ; new(unsigned long) +declare i32 @__gxx_personality_v0(...) +declare void @__cxa_call_unexpected(i8*) declare i64 @llvm.objectsize.i64(i8*, i1) nounwind readonly ; CHECK: @f1 @@ -11,3 +14,24 @@ define i64 @f1() { ; CHECK-NEXT: ret i64 4 ret i64 %size } + + +; CHECK: @f2 +define i64 @f2() nounwind uwtable ssp { +entry: +; CHECK: br label + %call = invoke noalias i8* @_Znwm(i64 13) + to label %invoke.cont unwind label %lpad + +invoke.cont: +; CHECK: ret i64 13 + %0 = tail call i64 @llvm.objectsize.i64(i8* %call, i1 false) + ret i64 %0 + +lpad: + %1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) + filter [0 x i8*] zeroinitializer + %2 = extractvalue { i8*, i32 } %1, 0 + tail call void @__cxa_call_unexpected(i8* %2) noreturn nounwind + unreachable +} |