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| author | Evan Cheng <evan.cheng@apple.com> | 2008-07-17 19:48:53 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-07-17 19:48:53 +0000 |
| commit | 76a4d58998ca41d04f03d21afe0257c36d9ce303 (patch) | |
| tree | 5e02d5f5c77d8bdf78b0cd3a2c53e699d67fdd2f /test/CodeGen/X86/2008-07-16-CoalescerCrash.ll | |
| parent | d1718252b5cdbdf9afdfb4c3b416266d11f36e7d (diff) | |
| download | external_llvm-76a4d58998ca41d04f03d21afe0257c36d9ce303.zip external_llvm-76a4d58998ca41d04f03d21afe0257c36d9ce303.tar.gz external_llvm-76a4d58998ca41d04f03d21afe0257c36d9ce303.tar.bz2 | |
Subreg live interval valno may not have a corresponding def machineinstr since it's less precise.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53734 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/2008-07-16-CoalescerCrash.ll')
| -rw-r--r-- | test/CodeGen/X86/2008-07-16-CoalescerCrash.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2008-07-16-CoalescerCrash.ll b/test/CodeGen/X86/2008-07-16-CoalescerCrash.ll new file mode 100644 index 0000000..aa9ee50 --- /dev/null +++ b/test/CodeGen/X86/2008-07-16-CoalescerCrash.ll @@ -0,0 +1,34 @@ +; RUN: llvm-as < %s | llc -mtriple=x86_64-apple-darwin + + %struct.SV = type { i8*, i64, i64 } +@"\01LC25" = external constant [8 x i8] ; <[8 x i8]*> [#uses=1] + +declare void @Perl_sv_catpvf(%struct.SV*, i8*, ...) nounwind + +declare fastcc i64 @Perl_utf8n_to_uvuni(i8*, i64, i64*, i64) nounwind + +define fastcc i8* @Perl_pv_uni_display(%struct.SV* %dsv, i8* %spv, i64 %len, i64 %pvlim, i64 %flags) nounwind { +entry: + br i1 false, label %bb, label %bb40 + +bb: ; preds = %entry + tail call fastcc i64 @Perl_utf8n_to_uvuni( i8* null, i64 13, i64* null, i64 255 ) nounwind ; <i64>:0 [#uses=1] + br i1 false, label %bb6, label %bb33 + +bb6: ; preds = %bb + br i1 false, label %bb30, label %bb31 + +bb30: ; preds = %bb6 + unreachable + +bb31: ; preds = %bb6 + icmp eq i8 0, 0 ; <i1>:1 [#uses=0] + br label %bb33 + +bb33: ; preds = %bb31, %bb + tail call void (%struct.SV*, i8*, ...)* @Perl_sv_catpvf( %struct.SV* %dsv, i8* getelementptr ([8 x i8]* @"\01LC25", i32 0, i64 0), i64 %0 ) nounwind + unreachable + +bb40: ; preds = %entry + ret i8* null +} |