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New testcases to test LICM of call instructions

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llvm-svn: 12414
This commit is contained in:
Chris Lattner 2004-03-15 04:10:08 +00:00
parent b0cf0f89be
commit ac4c05c9b2
2 changed files with 30 additions and 0 deletions
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16
test/Regression/Transforms/LICM/call_sink_const_function.ll Normal file
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; RUN: llvm-as < %s | opt -basicaa -licm | llvm-dis | grep -C1 sin | grep Out:
declare double %sin(double)
declare void %foo()
double %test(double %X) {
br label %Loop
Loop:
call void %foo() ;; Unknown effects!
%A = call double %sin(double %X) ;; Can still hoist/sink call
br bool true, label %Loop, label %Out
Out:
ret double %A
}

14
test/Regression/Transforms/LICM/call_sink_pure_function.ll Normal file
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; RUN: llvm-as < %s | opt -basicaa -licm | llvm-dis | grep -C1 strlen | grep Out:
declare int %strlen(sbyte*)
declare void %foo()
int %test(sbyte* %P) {
br label %Loop
Loop:
%A = call int %strlen(sbyte* %P) ;; Can hoist/sink call
br bool false, label %Loop, label %Out
Out:
ret int %A
}