diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2011-03-11 00:48:56 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2011-03-11 00:48:56 +0000 |
| commit | 9ef82ce4fe8e6f9f49c31abeebcc9672985afad4 (patch) | |
| tree | 45098742a6f52d50e0cec97fb2f5574cb77014b0 /test/CodeGen | |
| parent | d4a16ad85d991ff12487b40ef248833448047ead (diff) | |
| download | llvm-9ef82ce4fe8e6f9f49c31abeebcc9672985afad4.tar.gz llvm-9ef82ce4fe8e6f9f49c31abeebcc9672985afad4.tar.bz2 llvm-9ef82ce4fe8e6f9f49c31abeebcc9672985afad4.tar.xz | |
Avoid replacing the value of a directly stored load with the stored value if the load is indexed. rdar://9117613.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127440 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/ARM/2011-03-10-DAGCombineCrash.ll | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/2011-03-10-DAGCombineCrash.ll b/test/CodeGen/ARM/2011-03-10-DAGCombineCrash.ll new file mode 100644 index 0000000000..81babe0b4b --- /dev/null +++ b/test/CodeGen/ARM/2011-03-10-DAGCombineCrash.ll @@ -0,0 +1,47 @@ +; RUN: llc < %s -mtriple=thumbv7-apple-darwin10 -relocation-model=pic -disable-fp-elim -mcpu=cortex-a8 + +; rdar://9117613 + +%struct.mo = type { i32, %struct.mo_pops* } +%struct.mo_pops = type { void (%struct.mo*)*, void (%struct.mo*)*, i32 (%struct.mo*, i32*, i32)*, i32 (%struct.mo*)*, i32 (%struct.mo*, i64, i32, i32, i32*, i64, i32)*, i32 (%struct.mo*, i64, i32, i64*, i32*, i32, i32, i32)*, i32 (%struct.mo*, i64, i32)*, i32 (%struct.mo*, i64, i64, i32)*, i32 (%struct.mo*, i64, i64, i32)*, i32 (%struct.mo*, i32)*, i32 (%struct.mo*)*, i32 (%struct.mo*, i32)*, i8* } +%struct.ui = type { %struct.mo*, i32*, i32, i32*, i32*, i64, i32*, i32*, i32* } + + +define internal fastcc i32 @t(i32* %vp, i32 %withfsize, i64 %filesize) nounwind { +entry: + br i1 undef, label %bb1, label %bb + +bb: ; preds = %entry + unreachable + +bb1: ; preds = %entry + %0 = call %struct.ui* @vn_pp_to_ui(i32* undef) nounwind + call void @llvm.memset.p0i8.i32(i8* undef, i8 0, i32 40, i32 4, i1 false) + %1 = getelementptr inbounds %struct.ui* %0, i32 0, i32 0 + store %struct.mo* undef, %struct.mo** %1, align 4 + %2 = getelementptr inbounds %struct.ui* %0, i32 0, i32 5 + %3 = load i64* %2, align 4 + %4 = call i32 @mo_create_nnm(%struct.mo* undef, i64 %3, i32** undef) nounwind + br i1 undef, label %bb3, label %bb2 + +bb2: ; preds = %bb1 + unreachable + +bb3: ; preds = %bb1 + br i1 undef, label %bb4, label %bb6 + +bb4: ; preds = %bb3 + %5 = call i32 @vn_size(i32* %vp, i64* %2, i32* undef) nounwind + unreachable + +bb6: ; preds = %bb3 + ret i32 0 +} + +declare %struct.ui* @vn_pp_to_ui(i32*) + +declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind + +declare i32 @mo_create_nnm(%struct.mo*, i64, i32**) + +declare i32 @vn_size(i32*, i64*, i32*) |