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| author | Nick Lewycky <nicholas@mxc.ca> | 2011-06-27 05:40:02 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2011-06-27 05:40:02 +0000 |
| commit | a61df3f843f3ec49fb6952a5a4cf94c0938307a4 (patch) | |
| tree | 85edb6729992726a590f3ad8a94a75778cf1759e /llvm/test | |
| parent | 3e334a42d703e0d1c482e564ca05192db6e83047 (diff) | |
| download | bcm5719-llvm-a61df3f843f3ec49fb6952a5a4cf94c0938307a4.tar.gz bcm5719-llvm-a61df3f843f3ec49fb6952a5a4cf94c0938307a4.zip | |
Teach one piece of scalarrepl to handle lifetime markers. When transforming an
alloca that only holds a copy of a global and we're going to replace the users
of the alloca with that global, just nuke the lifetime intrinsics. Part of
PR10121.
llvm-svn: 133905
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Transforms/ScalarRepl/memcpy-from-global.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/Transforms/ScalarRepl/memcpy-from-global.ll b/llvm/test/Transforms/ScalarRepl/memcpy-from-global.ll index 5b258645344..59475adc77f 100644 --- a/llvm/test/Transforms/ScalarRepl/memcpy-from-global.ll +++ b/llvm/test/Transforms/ScalarRepl/memcpy-from-global.ll @@ -93,4 +93,18 @@ define void @test4() { ret void } +declare void @llvm.lifetime.start(i64, i8*) +define void @test5() { + %A = alloca %T + %a = bitcast %T* %A to i8* + call void @llvm.lifetime.start(i64 -1, i8* %a) + call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* bitcast (%T* @G to i8*), i64 124, i32 4, i1 false) + call void @baz(i8* byval %a) +; CHECK: @test5 +; CHECK-NEXT: %a = bitcast %T* @G to i8* +; CHECK-NEXT: call void @baz(i8* byval %a) + ret void +} + + declare void @baz(i8* byval) |
