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| author | Chris Lattner <sabre@nondot.org> | 2009-04-29 03:45:07 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-04-29 03:45:07 +0000 |
| commit | 672452d5a0dace689d7f9df9837c03afe3a74281 (patch) | |
| tree | f609a874ab32d01b661ce9e7c0532edf4f4c8462 /test/CodeGen/Generic/2009-04-28-i128-cmp-crash.ll | |
| parent | f0aa4850ceb61695500437c26e609c4ec394157a (diff) | |
| download | llvm-672452d5a0dace689d7f9df9837c03afe3a74281.tar.gz llvm-672452d5a0dace689d7f9df9837c03afe3a74281.tar.bz2 llvm-672452d5a0dace689d7f9df9837c03afe3a74281.tar.xz | |
Disable the load-shrinking optimization from looking at
anything larger than 64-bits, avoiding a crash. This should
really be fixed to use APInts, though type legalization happens
to help us out and we get good code on the attached testcase at
least.
This fixes rdar://6836460
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70360 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Generic/2009-04-28-i128-cmp-crash.ll')
| -rw-r--r-- | test/CodeGen/Generic/2009-04-28-i128-cmp-crash.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/Generic/2009-04-28-i128-cmp-crash.ll b/test/CodeGen/Generic/2009-04-28-i128-cmp-crash.ll new file mode 100644 index 0000000000..405a6a8d6e --- /dev/null +++ b/test/CodeGen/Generic/2009-04-28-i128-cmp-crash.ll @@ -0,0 +1,16 @@ +; RUN: llvm-as < %s | llc +; rdar://6836460 + +define i32 @test(i128* %P) nounwind { +entry: + %tmp48 = load i128* %P + %and49 = and i128 %tmp48, 18446744073709551616 ; <i128> [#uses=1] + %tobool = icmp ne i128 %and49, 0 ; <i1> [#uses=1] + br i1 %tobool, label %if.then50, label %if.end61 + +if.then50: ; preds = %if.then20 + ret i32 1241 + +if.end61: ; preds = %if.then50, %if.then20, %entry + ret i32 123 +} |