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Add a more complex test case

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2001-06-20 19:27:18 +00:00
parent d213f0f3a1
commit bd3df527ed
1 changed files with 43 additions and 0 deletions
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test/inductionvars.ll Normal file
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implementation
int "loop test"(int %i, int %j)
begin
%whichLoop = setlt int %i, %j
br bool %whichLoop, label %Loop1Header, label %Loop2Header
Loop1Header:
%i1 = add int 0, 0 ; %i1 = 0
br label %L1Top
L1Top:
%i2 = phi int [%i1, %Loop1Header], [%i3, %L1Body]
%L1Done = seteq int %i2, %j
br bool %L1Done, label %L1End, label %L1Body
L1Body:
%i3 = add int %i2, 2
br label %L1Top
L1End:
%v0 = add int %i2, %j ; %v0 = 3 * %j
br label %Merge
Loop2Header:
%m1 = add int 0, 0
%k1 = add int 0, %i
br label %L2Top
L2Top:
%k2 = phi int [%k1, %Loop2Header], [%k3, %L2Body]
%m2 = phi int [%m1, %Loop2Header], [%m3, %L2Body]
%L2Done = seteq int %k2, 0
br bool %L2Done, label %L2End, label %L2Body
L2Body:
%k3 = sub int %k2, 1
%m3 = add int %m2, %j
br label %L2Top
L2End:
%v1 = add int %m2, %k2
br label %Merge
Merge:
%v2 = phi int [%v0, %L1End], [%v1, %L2End]
ret int %v2
end