diff options
author | Julien Lerouge <jlerouge@apple.com> | 2014-04-15 18:06:46 +0000 |
---|---|---|
committer | Julien Lerouge <jlerouge@apple.com> | 2014-04-15 18:06:46 +0000 |
commit | 894b7f642c0b52f378cdd754c3aee38a7e3b49ec (patch) | |
tree | c0f0c9e7f7218ad090e8c339f0587e5e468ad7d9 /test/Transforms | |
parent | 031f5c1a825578de32110cee5c9e47adf95d58d2 (diff) | |
download | llvm-894b7f642c0b52f378cdd754c3aee38a7e3b49ec.tar.gz llvm-894b7f642c0b52f378cdd754c3aee38a7e3b49ec.tar.bz2 llvm-894b7f642c0b52f378cdd754c3aee38a7e3b49ec.tar.xz |
Add lifetime markers for allocas created to hold byval arguments, make them
appear in the InlineFunctionInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206308 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
-rw-r--r-- | test/Transforms/Inline/2010-05-31-ByvalTailcall.ll | 3 | ||||
-rw-r--r-- | test/Transforms/Inline/byval_lifetime.ll | 26 |
2 files changed, 28 insertions, 1 deletions
diff --git a/test/Transforms/Inline/2010-05-31-ByvalTailcall.ll b/test/Transforms/Inline/2010-05-31-ByvalTailcall.ll index b37b9f2ffa..07ea5fc6cc 100644 --- a/test/Transforms/Inline/2010-05-31-ByvalTailcall.ll +++ b/test/Transforms/Inline/2010-05-31-ByvalTailcall.ll @@ -18,7 +18,8 @@ define void @bar(i32* byval %x) { define void @foo(i32* %x) { ; CHECK-LABEL: define void @foo( -; CHECK: store i32 %1, i32* %x +; CHECK: llvm.lifetime.start +; CHECK: store i32 %2, i32* %x call void @bar(i32* byval %x) ret void } diff --git a/test/Transforms/Inline/byval_lifetime.ll b/test/Transforms/Inline/byval_lifetime.ll new file mode 100644 index 0000000000..e8dff2aa71 --- /dev/null +++ b/test/Transforms/Inline/byval_lifetime.ll @@ -0,0 +1,26 @@ +; RUN: opt -S -inline < %s | FileCheck %s +; END. + +; By inlining foo, an alloca is created in main to hold the byval argument, so +; a lifetime marker should be generated as well by default. + +%struct.foo = type { i32, [16 x i32] } + +@gFoo = global %struct.foo zeroinitializer, align 8 + +define i32 @foo(%struct.foo* byval align 8 %f, i32 %a) { +entry: + %a1 = getelementptr inbounds %struct.foo* %f, i32 0, i32 1 + %arrayidx = getelementptr inbounds [16 x i32]* %a1, i32 0, i32 %a + %tmp2 = load i32* %arrayidx, align 1 + ret i32 %tmp2 +} + +define i32 @main(i32 %argc, i8** %argv) { +; CHECK-LABEL: @main +; CHECK: llvm.lifetime.start +; CHECK: memcpy +entry: + %call = call i32 @foo(%struct.foo* byval align 8 @gFoo, i32 %argc) + ret i32 %call +} |