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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-08-03 16:33:19 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-08-03 16:33:19 +0000 |
| commit | 56e3232d5a5206f8b554eccd4aea2e75e59d4314 (patch) | |
| tree | bed661ac4ca24dcf0db211a3cbb7f5108a445b0c /test/CodeGen/X86/fp-stack-O0-crash.ll | |
| parent | e3fbe6c0fbf354c05800aabd8b0efc4a9366dc08 (diff) | |
| download | llvm-56e3232d5a5206f8b554eccd4aea2e75e59d4314.tar.gz llvm-56e3232d5a5206f8b554eccd4aea2e75e59d4314.tar.bz2 llvm-56e3232d5a5206f8b554eccd4aea2e75e59d4314.tar.xz | |
Handle IMPLICIT_DEF instructions in X86FloatingPoint.
This fixes PR10575.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136787 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/fp-stack-O0-crash.ll')
| -rw-r--r-- | test/CodeGen/X86/fp-stack-O0-crash.ll | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/test/CodeGen/X86/fp-stack-O0-crash.ll b/test/CodeGen/X86/fp-stack-O0-crash.ll index 9b629c0865..ae83a02c67 100644 --- a/test/CodeGen/X86/fp-stack-O0-crash.ll +++ b/test/CodeGen/X86/fp-stack-O0-crash.ll @@ -1,4 +1,4 @@ -; RUN: llc %s -O0 -fast-isel -regalloc=fast -o - +; RUN: llc %s -O0 -fast-isel -regalloc=fast -mcpu=i386 -o - ; PR4767 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" @@ -28,3 +28,22 @@ if.then: ; preds = %cond.false, %cond.t if.end: ; preds = %if.then, %cond.false, %cond.true ret void } + +; PR10575 +; This produces a FP0 = IMPLICIT_DEF instruction. +define void @__m_rankmerge_MOD_dindexmerge_() nounwind { +entry: + br label %"20" + +"20": ; preds = %"23", %entry + %0 = phi double [ undef, %entry ], [ %0, %"23" ] + %1 = phi double [ 0.000000e+00, %entry ], [ %2, %"23" ] + br i1 undef, label %"21", label %"23" + +"21": ; preds = %"20" + ret void + +"23": ; preds = %"20" + %2 = select i1 undef, double %0, double %1 + br label %"20" +} |