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author | Cameron Zwarich <zwarich@apple.com> | 2011-05-27 05:04:51 +0000 |
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committer | Cameron Zwarich <zwarich@apple.com> | 2011-05-27 05:04:51 +0000 |
commit | f031d0977f8b03288ed32ff14f71c79e81914f39 (patch) | |
tree | dc6f0709486977f478b45d40f809459f390efc9b /test/CodeGen | |
parent | 3a5d7d0665e2c836fb7619ea1160b29c36827c4a (diff) | |
download | llvm-f031d0977f8b03288ed32ff14f71c79e81914f39.tar.gz llvm-f031d0977f8b03288ed32ff14f71c79e81914f39.tar.bz2 llvm-f031d0977f8b03288ed32ff14f71c79e81914f39.tar.xz |
Fix PR10029 - VerifyCoalescing failure on patterns_dfa.c of 445.gobmk.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132181 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
-rw-r--r-- | test/CodeGen/X86/2011-05-26-UnreachableBlockElim.ll | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2011-05-26-UnreachableBlockElim.ll b/test/CodeGen/X86/2011-05-26-UnreachableBlockElim.ll new file mode 100644 index 0000000000..0f18f0969b --- /dev/null +++ b/test/CodeGen/X86/2011-05-26-UnreachableBlockElim.ll @@ -0,0 +1,53 @@ +; RUN: llc < %s -verify-coalescing +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" +target triple = "x86_64-apple-macosx10.6.0" + +%struct.attrib = type { i32, i32 } +%struct.dfa = type { [80 x i8], i32, %struct.state*, i32, i32, %struct.attrib*, i32, i32 } +%struct.state = type { i32, [4 x i32] } + +@aux_temp = external global %struct.dfa, align 8 + +declare i64 @llvm.objectsize.i64(i8*, i1) nounwind readnone + +declare void @__memset_chk() nounwind + +define void @dfa_add_string() nounwind uwtable ssp { +entry: + br label %if.end.i + +if.end.i: ; preds = %entry + %idxprom.i = add i64 0, 1 + br i1 undef, label %land.end.thread.i, label %land.end.i + +land.end.thread.i: ; preds = %if.end.i + %0 = call i64 @llvm.objectsize.i64(i8* undef, i1 false) nounwind + %cmp1710.i = icmp eq i64 %0, -1 + br i1 %cmp1710.i, label %cond.false156.i, label %cond.true138.i + +land.end.i: ; preds = %if.end.i + %1 = call i64 @llvm.objectsize.i64(i8* undef, i1 false) nounwind + %cmp17.i = icmp eq i64 %1, -1 + br i1 %cmp17.i, label %cond.false156.i, label %cond.true138.i + +cond.true138.i: ; preds = %for.end.i, %land.end.thread.i + call void @__memset_chk() nounwind + br label %cond.end166.i + +cond.false156.i: ; preds = %for.end.i, %land.end.thread.i + %idxprom1114.i = phi i64 [ undef, %land.end.thread.i ], [ %idxprom.i, %land.end.i ] + call void @__memset_chk() nounwind + br label %cond.end166.i + +cond.end166.i: ; preds = %cond.false156.i, %cond.true138.i + %idxprom1113.i = phi i64 [ %idxprom1114.i, %cond.false156.i ], [ undef, %cond.true138.i ] + %tmp235.i = load %struct.state** getelementptr inbounds (%struct.dfa* @aux_temp, i64 0, i32 2), align 8, !tbaa !0 + %att.i = getelementptr inbounds %struct.state* %tmp235.i, i64 %idxprom1113.i, i32 0 + store i32 0, i32* %att.i, align 4, !tbaa !3 + ret void +} + +!0 = metadata !{metadata !"any pointer", metadata !1} +!1 = metadata !{metadata !"omnipotent char", metadata !2} +!2 = metadata !{metadata !"Simple C/C++ TBAA", null} +!3 = metadata !{metadata !"int", metadata !1} |