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New testcases to test LICM of call instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12414 91177308-0d34-0410-b5e6-96231b3b80d8
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test/Transforms/LICM/call_sink_const_function.ll
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test/Transforms/LICM/call_sink_const_function.ll
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; RUN: llvm-as < %s | opt -basicaa -licm | llvm-dis | grep -C1 sin | grep Out:
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declare double %sin(double)
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declare void %foo()
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double %test(double %X) {
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br label %Loop
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Loop:
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call void %foo() ;; Unknown effects!
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%A = call double %sin(double %X) ;; Can still hoist/sink call
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br bool true, label %Loop, label %Out
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Out:
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ret double %A
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}
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test/Transforms/LICM/call_sink_pure_function.ll
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test/Transforms/LICM/call_sink_pure_function.ll
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; RUN: llvm-as < %s | opt -basicaa -licm | llvm-dis | grep -C1 strlen | grep Out:
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declare int %strlen(sbyte*)
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declare void %foo()
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int %test(sbyte* %P) {
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br label %Loop
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Loop:
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%A = call int %strlen(sbyte* %P) ;; Can hoist/sink call
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br bool false, label %Loop, label %Out
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Out:
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ret int %A
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}
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