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| author | Nick Lewycky <nicholas@mxc.ca> | 2012-07-21 08:29:45 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2012-07-21 08:29:45 +0000 |
| commit | 61e2ff8f821beec2eefdbb21a5954f74b1c0a295 (patch) | |
| tree | 83622d2e1b9b9d0f8f9ad3217d8889147a7dafff /test/Transforms/GlobalOpt | |
| parent | 60287963c7505180500d63b1c1b90f0f4b337430 (diff) | |
| download | llvm-61e2ff8f821beec2eefdbb21a5954f74b1c0a295.tar.gz llvm-61e2ff8f821beec2eefdbb21a5954f74b1c0a295.tar.bz2 llvm-61e2ff8f821beec2eefdbb21a5954f74b1c0a295.tar.xz | |
Teach globalopt to play nice with leak checkers. This is a reapplication of
r160529 that was subsequently reverted. The fix was to not call
GV->eraseFromParent() right before the caller does the same. The existing
testcases already caught this bug if run under valgrind.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160602 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/GlobalOpt')
| -rw-r--r-- | test/Transforms/GlobalOpt/2009-11-16-BrokenPerformHeapAllocSRoA.ll | 2 | ||||
| -rw-r--r-- | test/Transforms/GlobalOpt/cleanup-pointer-root-users.ll | 20 |
2 files changed, 21 insertions, 1 deletions
diff --git a/test/Transforms/GlobalOpt/2009-11-16-BrokenPerformHeapAllocSRoA.ll b/test/Transforms/GlobalOpt/2009-11-16-BrokenPerformHeapAllocSRoA.ll index 54e8f90979..40862bd038 100644 --- a/test/Transforms/GlobalOpt/2009-11-16-BrokenPerformHeapAllocSRoA.ll +++ b/test/Transforms/GlobalOpt/2009-11-16-BrokenPerformHeapAllocSRoA.ll @@ -17,7 +17,7 @@ define void @test() nounwind ssp { %2 = sext i32 %1 to i64 ; <i64> [#uses=1] %3 = mul i64 %2, ptrtoint (%struct.strchartype* getelementptr (%struct.strchartype* null, i64 1) to i64) ; <i64> [#uses=1] %4 = tail call i8* @malloc(i64 %3) ; <i8*> [#uses=1] -; CHECK: call i8* @malloc(i64 +; CHECK-NOT: call i8* @malloc(i64 %5 = bitcast i8* %4 to %struct.strchartype* ; <%struct.strchartype*> [#uses=1] store %struct.strchartype* %5, %struct.strchartype** @chartypes, align 8 ret void diff --git a/test/Transforms/GlobalOpt/cleanup-pointer-root-users.ll b/test/Transforms/GlobalOpt/cleanup-pointer-root-users.ll new file mode 100644 index 0000000000..0d5cbf5333 --- /dev/null +++ b/test/Transforms/GlobalOpt/cleanup-pointer-root-users.ll @@ -0,0 +1,20 @@ +; RUN: opt -globalopt -S -o - < %s | FileCheck %s + +@test1 = internal global i8* null + +define void @test1a() { +; CHECK: @test1a +; CHECK-NOT: store +; CHECK-NEXT: ret void + store i8* null, i8** @test1 + ret void +} + +define void @test1b(i8* %p) { +; CHECK: @test1b +; CHECK-NEXT: store +; CHECK-NEXT: ret void + store i8* %p, i8** @test1 + ret void +} + |