llvm-6502/test/Transforms/LoopStrengthReduce/exit_compare_live_range.ll

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; Make sure that the compare instruction occurs after the increment to avoid
; having overlapping live ranges that result in copies. We want the setcc
; instruction immediately before the conditional branch.
;
; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis | \
; RUN: %prcontext {br i1} 1 | grep icmp
define void @foo(float* %D, i32 %E) {
entry:
br label %no_exit
no_exit: ; preds = %no_exit, %entry
%indvar = phi i32 [ 0, %entry ], [ %indvar.next, %no_exit ] ; <i32> [#uses=1]
volatile store float 0.000000e+00, float* %D
%indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2]
%exitcond = icmp eq i32 %indvar.next, %E ; <i1> [#uses=1]
br i1 %exitcond, label %loopexit, label %no_exit
loopexit: ; preds = %no_exit
ret void
}