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| author | Dan Gohman <gohman@apple.com> | 2009-05-02 18:29:22 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-05-02 18:29:22 +0000 |
| commit | afc36a9520971832dfbebc0333593bf5d3098296 (patch) | |
| tree | 9f9a8cd11e9dfce8900d1a030300eed0ffca00a0 /test/CodeGen/X86/pre-split4.ll | |
| parent | fb7d35f22a958747dd3ae8861ae3ce018146131c (diff) | |
| download | external_llvm-afc36a9520971832dfbebc0333593bf5d3098296.zip external_llvm-afc36a9520971832dfbebc0333593bf5d3098296.tar.gz external_llvm-afc36a9520971832dfbebc0333593bf5d3098296.tar.bz2 | |
Previously, RecursivelyDeleteDeadInstructions provided an option
of returning a list of pointers to Values that are deleted. This was
unsafe, because the pointers in the list are, by nature of what
RecursivelyDeleteDeadInstructions does, always dangling. Replace this
with a simple callback mechanism. This may eventually be removed if
all clients can reasonably be expected to use CallbackVH.
Use this to factor out the dead-phi-cycle-elimination code from LSR
utility function, and generalize it to use the
RecursivelyDeleteTriviallyDeadInstructions utility function.
This makes LSR more aggressive about eliminating dead PHI cycles;
adjust tests to either be less trivial or to simply expect fewer
instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70636 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/pre-split4.ll')
| -rw-r--r-- | test/CodeGen/X86/pre-split4.ll | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pre-split4.ll b/test/CodeGen/X86/pre-split4.ll index 013402d..97401b3 100644 --- a/test/CodeGen/X86/pre-split4.ll +++ b/test/CodeGen/X86/pre-split4.ll @@ -14,6 +14,8 @@ bb: ; preds = %bb, %entry %2 = tail call double @sin(double %k.0.reg2mem.0) nounwind readonly ; <double> [#uses=1] %3 = mul double 0.000000e+00, %2 ; <double> [#uses=1] %4 = fdiv double 1.000000e+00, %3 ; <double> [#uses=1] + store double %Flint.0.reg2mem.0, double* null + store double %twoThrd.0.reg2mem.0, double* null %5 = add double %4, %Flint.0.reg2mem.0 ; <double> [#uses=1] %6 = add double %k.0.reg2mem.0, 1.000000e+00 ; <double> [#uses=1] br label %bb |