llvm-6502/test/Transforms/LoopStrengthReduce/2008-08-14-ShadowIV.ll

28 lines
787 B
LLVM

; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis | grep "phi double"
define void @foobar(i32 %n) nounwind {
entry:
icmp eq i32 %n, 0 ; <i1>:0 [#uses=2]
br i1 %0, label %return, label %bb.nph
bb.nph: ; preds = %entry
%umax = select i1 %0, i32 1, i32 %n ; <i32> [#uses=1]
br label %bb
bb: ; preds = %bb, %bb.nph
%i.03 = phi i32 [ 0, %bb.nph ], [ %indvar.next, %bb ] ; <i32> [#uses=3]
tail call void @bar( i32 %i.03 ) nounwind
uitofp i32 %i.03 to double ; <double>:1 [#uses=1]
tail call void @foo( double %1 ) nounwind
%indvar.next = add i32 %i.03, 1 ; <i32> [#uses=2]
%exitcond = icmp eq i32 %indvar.next, %umax ; <i1> [#uses=1]
br i1 %exitcond, label %return, label %bb
return: ; preds = %bb, %entry
ret void
}
declare void @bar(i32)
declare void @foo(double)