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| author | Duncan Sands <baldrick@free.fr> | 2011-09-05 06:52:48 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2011-09-05 06:52:48 +0000 |
| commit | dabc2806726a286b00313419fac8461ebe0f774c (patch) | |
| tree | b0e316861d47fb91235ebff6b1aeb19bf4729f40 /test/Transforms/InstSimplify | |
| parent | 26eb870d7e0e28ecb25a0cd77e6cdc0490707eff (diff) | |
| download | llvm-dabc2806726a286b00313419fac8461ebe0f774c.tar.gz llvm-dabc2806726a286b00313419fac8461ebe0f774c.tar.bz2 llvm-dabc2806726a286b00313419fac8461ebe0f774c.tar.xz | |
Add some simple insertvalue simplifications, for the purpose of cleaning
up do-nothing exception handling code produced by dragonegg.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139113 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstSimplify')
| -rw-r--r-- | test/Transforms/InstSimplify/2011-09-05-InsertExtractValue.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Transforms/InstSimplify/2011-09-05-InsertExtractValue.ll b/test/Transforms/InstSimplify/2011-09-05-InsertExtractValue.ll new file mode 100644 index 0000000000..4067d5dc76 --- /dev/null +++ b/test/Transforms/InstSimplify/2011-09-05-InsertExtractValue.ll @@ -0,0 +1,22 @@ +; RUN: opt < %s -instsimplify -S | FileCheck %s + +; CHECK-NOT: extractvalue +; CHECK-NOT: insertvalue + +declare void @bar() + +define void @foo() { +entry: + invoke void @bar() to label %cont unwind label %lpad +cont: + ret void +lpad: + %ex = landingpad { i8*, i32 } personality i32 (i32, i64, i8*, i8*)* @__gxx_personality_v0 cleanup + %exc_ptr = extractvalue { i8*, i32 } %ex, 0 + %filter = extractvalue { i8*, i32 } %ex, 1 + %exc_ptr2 = insertvalue { i8*, i32 } undef, i8* %exc_ptr, 0 + %filter2 = insertvalue { i8*, i32 } %exc_ptr2, i32 %filter, 1 + resume { i8*, i32 } %filter2 +} + +declare i32 @__gxx_personality_v0(i32, i64, i8*, i8*) |