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author | Evan Cheng <evan.cheng@apple.com> | 2009-05-28 23:52:18 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2009-05-28 23:52:18 +0000 |
commit | d3c76bb6fc3c066286850e91b8bf03484ea2a56e (patch) | |
tree | ddc9f96ae7a0778351a62a3c122511d14e8d304c /test/CodeGen/X86/2009-05-28-DAGCombineCrash.ll | |
parent | 2265ba071762b461ed1e65ebd73f596a98208f60 (diff) | |
download | external_llvm-d3c76bb6fc3c066286850e91b8bf03484ea2a56e.zip external_llvm-d3c76bb6fc3c066286850e91b8bf03484ea2a56e.tar.gz external_llvm-d3c76bb6fc3c066286850e91b8bf03484ea2a56e.tar.bz2 |
Do not try to create a MVT type of width 0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72557 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/2009-05-28-DAGCombineCrash.ll')
-rw-r--r-- | test/CodeGen/X86/2009-05-28-DAGCombineCrash.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2009-05-28-DAGCombineCrash.ll b/test/CodeGen/X86/2009-05-28-DAGCombineCrash.ll new file mode 100644 index 0000000..7bdfcb3 --- /dev/null +++ b/test/CodeGen/X86/2009-05-28-DAGCombineCrash.ll @@ -0,0 +1,38 @@ +; RUN: llvm-as < %s | llc -march=x86-64 + + %struct.tempsym_t = type { i8*, i8*, i8*, i8*, i32, i32, i32, i32, i32 } + +define fastcc signext i8 @S_next_symbol(%struct.tempsym_t* %symptr) nounwind ssp { +entry: + br label %bb116 + +bb: ; preds = %bb116 + switch i8 undef, label %bb14 [ + i8 9, label %bb116 + i8 32, label %bb116 + i8 10, label %bb116 + i8 13, label %bb116 + i8 12, label %bb116 + ] + +bb14: ; preds = %bb + br i1 undef, label %bb75, label %bb115 + +bb75: ; preds = %bb14 + %srcval16 = load i448* null, align 8 ; <i448> [#uses=1] + %tmp = zext i32 undef to i448 ; <i448> [#uses=1] + %tmp15 = shl i448 %tmp, 288 ; <i448> [#uses=1] + %mask = and i448 %srcval16, -2135987035423586845985235064014169866455883682256196619149693890381755748887481053010428711403521 ; <i448> [#uses=1] + %ins = or i448 %tmp15, %mask ; <i448> [#uses=1] + store i448 %ins, i448* null, align 8 + ret i8 1 + +bb115: ; preds = %bb14 + ret i8 1 + +bb116: ; preds = %bb, %bb, %bb, %bb, %bb, %entry + br i1 undef, label %bb, label %bb117 + +bb117: ; preds = %bb116 + ret i8 0 +} |