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| author | Nick Lewycky <nicholas@mxc.ca> | 2011-11-16 03:49:48 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2011-11-16 03:49:48 +0000 |
| commit | ae10dd2859a3729e3518f043cf252dc8676ed165 (patch) | |
| tree | 19da6eb622a1013f8acd03c9742880e0d14b03d2 /test/Transforms | |
| parent | 9bad88a9def4abaa87e7e5e7178bd680354043f8 (diff) | |
| download | external_llvm-ae10dd2859a3729e3518f043cf252dc8676ed165.zip external_llvm-ae10dd2859a3729e3518f043cf252dc8676ed165.tar.gz external_llvm-ae10dd2859a3729e3518f043cf252dc8676ed165.tar.bz2 | |
Merge isObjectPointerWithTrustworthySize with getPointerSize. Use it when
looking at the size of the pointee. Fixes PR11390!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144773 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/DeadStoreElimination/pr11390.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/Transforms/DeadStoreElimination/pr11390.ll b/test/Transforms/DeadStoreElimination/pr11390.ll new file mode 100644 index 0000000..fc58fc9 --- /dev/null +++ b/test/Transforms/DeadStoreElimination/pr11390.ll @@ -0,0 +1,38 @@ +; RUN: opt -basicaa -dse -S -o - | FileCheck %s +; PR11390 +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" +target triple = "x86_64-unknown-linux-gnu" + +define fastcc void @cat_domain(i8* nocapture %name, i8* nocapture %domain, i8** +nocapture %s) nounwind uwtable { +entry: + %call = tail call i64 @strlen(i8* %name) nounwind readonly + %call1 = tail call i64 @strlen(i8* %domain) nounwind readonly + %add = add i64 %call, 1 + %add2 = add i64 %add, %call1 + %add3 = add i64 %add2, 1 + %call4 = tail call noalias i8* @malloc(i64 %add3) nounwind + store i8* %call4, i8** %s, align 8 + %tobool = icmp eq i8* %call4, null + br i1 %tobool, label %return, label %if.end + +if.end: ; preds = %entry + tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %call4, i8* %name, i64 %call, i32 1, i1 false) + %arrayidx = getelementptr inbounds i8* %call4, i64 %call + store i8 46, i8* %arrayidx, align 1 +; CHECK: store i8 46 + %add.ptr5 = getelementptr inbounds i8* %call4, i64 %add + tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %add.ptr5, i8* %domain, i64 %call1, i32 1, i1 false) + %arrayidx8 = getelementptr inbounds i8* %call4, i64 %add2 + store i8 0, i8* %arrayidx8, align 1 + br label %return + +return: ; preds = %if.end, %entry + ret void +} + +declare i64 @strlen(i8* nocapture) nounwind readonly + +declare noalias i8* @malloc(i64) nounwind + +declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind |