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| author | Chris Lattner <sabre@nondot.org> | 2005-05-09 03:36:11 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-05-09 03:36:11 +0000 |
| commit | 49b8b70008f53f464a79fc236ce084ec516473ae (patch) | |
| tree | ba50f5a485954013bff57ee9677fde43b07591b1 /test/CodeGen/X86/2005-05-08-FPStackifierPHI.ll | |
| parent | cb9048a6e813ca0c89f59375f3aa15ae49e153b4 (diff) | |
| download | llvm-49b8b70008f53f464a79fc236ce084ec516473ae.tar.gz llvm-49b8b70008f53f464a79fc236ce084ec516473ae.tar.bz2 llvm-49b8b70008f53f464a79fc236ce084ec516473ae.tar.xz | |
New testcase that crashes the pattern isel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21800 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/2005-05-08-FPStackifierPHI.ll')
| -rw-r--r-- | test/CodeGen/X86/2005-05-08-FPStackifierPHI.ll | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2005-05-08-FPStackifierPHI.ll b/test/CodeGen/X86/2005-05-08-FPStackifierPHI.ll new file mode 100644 index 0000000000..b22a7d0b0c --- /dev/null +++ b/test/CodeGen/X86/2005-05-08-FPStackifierPHI.ll @@ -0,0 +1,49 @@ +; RUN: llvm-as < %s | llc -march=x86 +; Make sure LLC doesn't crash in the stackifier due to FP PHI nodes. + +void %radfg_() { +entry: + br bool false, label %no_exit.16.preheader, label %loopentry.0 + +loopentry.0: ; preds = %entry + ret void + +no_exit.16.preheader: ; preds = %entry + br label %no_exit.16 + +no_exit.16: ; preds = %no_exit.16, %no_exit.16.preheader + br bool false, label %loopexit.16.loopexit, label %no_exit.16 + +loopexit.16.loopexit: ; preds = %no_exit.16 + br label %no_exit.18 + +no_exit.18: ; preds = %loopexit.20, %loopexit.16.loopexit + %tmp.882 = add float 0.000000e+00, 0.000000e+00 ; <float> [#uses=2] + br bool false, label %loopexit.19, label %no_exit.19.preheader + +no_exit.19.preheader: ; preds = %no_exit.18 + ret void + +loopexit.19: ; preds = %no_exit.18 + br bool false, label %loopexit.20, label %no_exit.20 + +no_exit.20: ; preds = %loopexit.21, %loopexit.19 + %ai2.1122.tmp.3 = phi float [ %tmp.958, %loopexit.21 ], [ %tmp.882, %loopexit.19 ] ; <float> [#uses=1] + %tmp.950 = mul float %tmp.882, %ai2.1122.tmp.3 ; <float> [#uses=1] + %tmp.951 = sub float 0.000000e+00, %tmp.950 ; <float> [#uses=1] + %tmp.958 = add float 0.000000e+00, 0.000000e+00 ; <float> [#uses=1] + br bool false, label %loopexit.21, label %no_exit.21.preheader + +no_exit.21.preheader: ; preds = %no_exit.20 + ret void + +loopexit.21: ; preds = %no_exit.20 + br bool false, label %loopexit.20, label %no_exit.20 + +loopexit.20: ; preds = %loopexit.21, %loopexit.19 + %ar2.1124.tmp.2 = phi float [ 0.000000e+00, %loopexit.19 ], [ %tmp.951, %loopexit.21 ] ; <float> [#uses=0] + br bool false, label %loopexit.18.loopexit, label %no_exit.18 + +loopexit.18.loopexit: ; preds = %loopexit.20 + ret void +} |